CHEMISTRY 101 EXAM 3 (FORM A) DR. SIMON NORTH

Size: px
Start display at page:

Download "CHEMISTRY 101 EXAM 3 (FORM A) DR. SIMON NORTH"

Transcription

1 CHEMISTRY 101 EXAM 3 (FORM A) DR. SIMON NORTH 1. When considering conjugate acids and bases, (2 points) a) Strong acids have strong conjugate bases. b) Strong bases have strong conjugate acids. c) Weak acids have weak conjugate bases. d) Strong bases have weak conjugate acids. e) None of the above is true. 2. What is the normality of a solution prepared by dissolving 4.3 g of HClO 4 in 143 ml of water? (3 points) a) N b) N c) 0.60 N d) 0.30 N e) 0.15 N 3. The bond strength is considerably greater in HF than in the other three hydrogen halides (HCl, HBr, and HI). (1 point) 4. What orbitals make up the pi bond between C and C in H 2 C=CH 2? (5 points) a) 2s on each C b) 2p on each C c) sp 2 on each C d) sp 3 on each C e) none of the above

2 5. How many of the following statements are true? (5 points) a) 0 b) 1 c) 2 d) 3 e) 4 - Arrhenius acids and bases necessarily make water and a salt when combined. - Acidic aqueous solutions do not conduct electricity. - Acid strengths of most ternary acids containing the same central element decrease with decreasing oxidation state of the central element (i.e. with decreasing number of oxygen atoms). - Strong acids dissociate completely in water - Lewis acids and bases necessarily make water and salt when combined. 6. Given the following equation, (2 points) F - + BF 3 BF 4 - Which of the following statements is true? a) BF 3 is a Lewis acid and F - is a Lewis base b) BF 3 is a Lewis base and F - is a Lewis acid c) BF 3 is an Arrhenius acid and F - is an Arrhenius base d) This is not an acid base reaction e) Only Bronsted-Lowry theory can describe this reaction as an acid-base reaction 7. The following unbalanced reaction takes place in acidic conditions. Cr 2 O Fe 2+ Cr 3+ + Fe 3+ How many moles of electrons are transferred per mole of dichromate reacted? (5 points) a) 5 b) 6 c) 7 d) 8 e) 9

3 8. According to Lewis Theory, an acid is any species that donates an electron pair. (1 point) 9. In the laboratory a student combines ml of a 1.0 M H 3 PO 4 with ml of a 1.0 M Ca(OH) 2. (5 points) 2H 3 PO 4 + 3Ca(OH) 2 Ca 3 (PO 4 ) 2 + 6H 2 O What is the final concentration of calcium phosphate? a) 2.0 M b) 0.17 M c) 1.0 M d) 0.25 M e) 0.50 M 10. H 2 CO 3 is a (2 point) a) weak acid b) strong acid c) weak base d) strong base e) soluble salt 11. What are the approximate angles in IBr 2 -? (3 points) a) 30 b) 90 c) 120 d) 109 e) 180

4 12. When the following unbalanced reaction is balanced under acidic conditions, a) 1 b) 2 c) 3 d) 4 e) 5 MnO 4 - (aq) + C 2 O 4 2- (aq) Mn 2+ (aq) + CO 2(g) what is the stoichiometric coefficient in front of the MnO 4 -? (5 points) 13. The oxidation state of the carbon in the above question changes from (3 points) a) no change in oxidation state b) +3 to 0 c) +3 to +4 d) +4 to 0 e) none of the above ml of N H 2 SO 4 solution required ml of NaOH solution for neutralization. Calculate the normality and the molarity of the sodium hydroxide solution. (5 points) a) 0.11 M and N b) 0.22 M and 0.22 N c) 0.11 M and 0.11 N d) 0.11 M and N e) 0.44 M and 0.44 N

5 15. Pi bonds can be formed between s orbitals. (1 point) 16. In the following reaction, (2 points) NH 3 + H 2 O NH OH - Which is the Bronstead-Lowry base? a) NH 3 b) H 2 O c) neither 17. Given the following reaction, 2Rb + H 2 O Rb 2 O + H 2 which of the following statements is true? (5 points) a) Water is the oxidizing agent and Rb is the reducing agent b) Water is being oxidized and Rb is being reduced c) Rb is the oxidizing agent and water is the reducing agent d) b) and c) are correct e) This is not a redox reaction 18. Given that Zn(OH) 2 is amphoteric, which of the following statements is false? (5 points) a) Zn(OH) 2 can react with an electron donor. b) Zn(OH) 2 must be able to donate a proton. c) Zn(OH) 2 acts as a base in the presence of strong acid d) Zn(OH) 2 acts as an acid in the presence of strong base e) None of these statements are false 19. What is the hybridization of the central atom in BF 3? (3 points) a) sp b) sp 2 c) sp 3 d) sp 3 d e) sp 3 d 2

6 20. The polarity of covalent bonds derives from electronegativity differences. (1 point) 21. Given the following list of acids, which is/are strong? (5 points) 1) HClO 4 2) HClO 3 3) HNO 3 4) HI 5) HBr a) All are strong b) 1,3,4,5 c) 2,5 d) 1,3,4 e) None are strong 22. Calculate the normality of a solution that contains 156 g of calcium hydroxide, Ca(OH) 2 in 750 ml of solution. (3 points) a) 2.8 N b) 5.6 N c) 1.4 N d) N e) N 23. Is cis-dichloro-ethene (CH 2 Cl 2 ) polar or non-polar? (2 points) a) Polar b) Non-polar

7 24. Is H 3 O + polar or non-polar? (1 point) a) Polar b) Non-polar 25. In the following reaction, the oxidation state of Al changes from (3 points) 3KClO 4 + 8Al 3KCl + 4Al 2 O 3 a) 0 to +3 b) +3 to +1 c) 0 to +6 d) +3 to -2 e) +3 to The following skeletal oxidation-reduction reaction occurs under acidic conditions. Write the balanced oxidation half-reaction. (5 points) Pb 2+ + Fe 3+ PbO 2 + Fe 2+ a) Fe 3+ Fe 2+ + e - b) Fe 3+ + e - Fe 2+ c) Pb 2+ + O 2 + 2e - PbO 2 d) Pb H 2 O PbO 2 + 4H + + 2e - e) None of the above 27. A molecule with two double bonds and 4 single bonds has 6 sigma bonds. (1 point) 28. Water can be classified as (3 points) a) Neither an acid nor a base b) A strong acid and a weak base c) A weak acid and a weak base d) Only an acid e) A weak acid and a strong base

8 29. The conjugate acid of NH 3 is (2 points) a) NH 2 - b) NH 3 + c) NH 4 + d) NH 3 OH e) Not given 30. You wish to make a M HClO 4 solution from a stock solution of 12.0 M HClO 4. How much concentrated acid must you add to obtain a total volume of 150 ml of the dilute solution? (5 points) a) 3.30 ml b) 6.60 ml c) 0.02 ml d) 0.04 ml e) ml 31. What is the electronic geometry about the I in ICl 2 +? (3 points) a) linear b) trigonal planar c) trigonal bipyrimidal d) tetrahedral e) bent 32. What is the molecular geometry of the above molecule? (3 points) a) linear b) trigonal planar c) trigonal bipyrimidal d) tetrahedral e) bent

I N V E S T I C E D O R O Z V O J E V Z D Ě L Á V Á N Í CHEMICAL REACTIONS

I N V E S T I C E D O R O Z V O J E V Z D Ě L Á V Á N Í CHEMICAL REACTIONS Chemical reaction = process during which original substances change to new substances, reactants turn to... The bonds of reactants... and new bonds are... The classification of reactions: 1. Classification

More information

Chapter 13 & 14 Practice Exam

Chapter 13 & 14 Practice Exam Name: Class: Date: Chapter 13 & 14 Practice Exam Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Acids generally release H 2 gas when they react with a.

More information

AP*Chemistry The Chemistry of Acids and Bases

AP*Chemistry The Chemistry of Acids and Bases AP*Chemistry The Chemistry of Acids and Bases "ACID"--Latin word acidus, meaning sour. (lemon) "ALKALI"--Arabic word for the ashes that come from burning certain plants; water solutions feel slippery and

More information

4. Acid Base Chemistry

4. Acid Base Chemistry 4. Acid Base Chemistry 4.1. Terminology: 4.1.1. Bronsted / Lowry Acid: "An acid is a substance which can donate a hydrogen ion (H+) or a proton, while a base is a substance that accepts a proton. B + HA

More information

Chemistry 201. Practical aspects of buffers. NC State University. Lecture 15

Chemistry 201. Practical aspects of buffers. NC State University. Lecture 15 Chemistry 201 Lecture 15 Practical aspects of buffers NC State University The everyday ph scale To review what ph means in practice, we consider the ph of everyday substances that we know from experience.

More information

Acid-Base (Proton-Transfer) Reactions

Acid-Base (Proton-Transfer) Reactions Acid-Base (Proton-Transfer) Reactions Chapter 17 An example of equilibrium: Acid base chemistry What are acids and bases? Every day descriptions Chemical description of acidic and basic solutions by Arrhenius

More information

Acids and Bases. Problem Set: Chapter 17 questions 5-7, 9, 11, 13, 18, 43, 67a-d, 71 Chapter 18 questions 5-9, 26, 27a-e, 32

Acids and Bases. Problem Set: Chapter 17 questions 5-7, 9, 11, 13, 18, 43, 67a-d, 71 Chapter 18 questions 5-9, 26, 27a-e, 32 Acids and Bases Problem Set: Chapter 17 questions 5-7, 9, 11, 13, 18, 43, 67a-d, 71 Chapter 18 questions 5-9, 26, 27a-e, 32 Arrhenius Theory of Acids An acid base reaction involves the reaction of hydrogen

More information

Determination of the Amount of Acid Neutralized by an Antacid Tablet Using Back Titration

Determination of the Amount of Acid Neutralized by an Antacid Tablet Using Back Titration Determination of the Amount of Acid Neutralized by an Antacid Tablet Using Back Titration GOAL AND OVERVIEW Antacids are bases that react stoichiometrically with acid. The number of moles of acid that

More information

Chemistry 2014 Scoring Guidelines

Chemistry 2014 Scoring Guidelines AP Chemistry 2014 Scoring Guidelines 2014 The College Board. College Board, Advanced Placement Program, AP, AP Central, and the acorn logo are registered trademarks of the College Board. Visit the College

More information

Equilibria. Unit Outline

Equilibria. Unit Outline Acid Base Equilibria 17Advanced Unit Outline 17.1 Acid Base Reactions 17.2 Buffers 17.3 Acid Base Titrations 17. Some Important Acid Base Systems In This Unit We will now expand the introductory coverage

More information

Part B 2. Allow a total of 15 credits for this part. The student must answer all questions in this part.

Part B 2. Allow a total of 15 credits for this part. The student must answer all questions in this part. Part B 2 Allow a total of 15 credits for this part. The student must answer all questions in this part. 51 [1] Allow 1 credit for 3 Mg(s) N 2 (g) Mg 3 N 2 (s). Allow credit even if the coefficient 1 is

More information

Where Is My Lone Pair?

Where Is My Lone Pair? Where Is My Lone Pair? Goal: In this tutorial we'll learn how to determine which orbital contains a lone pair. This is important for resonance, conjugation, and aromaticity. To master this subject you'll

More information

INTDUCTIN T LEWIS ACID-BASE CEMISTY DEINITINS Lewis acids and bases are defined in terms of electron pair transfers. A Lewis base is an electron pair donor, and a Lewis acid is an electron pair acceptor.

More information

Acid-base Equilibria and Calculations

Acid-base Equilibria and Calculations Acid-base Equilibria and Calculations A Chem1 Reference Text Stephen K. Lower Simon Fraser University Contents 1 Proton donor-acceptor equilibria 4 1.1 The ion product of water... 4 1.2 Acid and base strengths...

More information

Page 1. 6. Which hydrocarbon is a member of the alkane series? (1) 1. Which is the structural formula of methane? (1) (2) (2) (3) (3) (4) (4)

Page 1. 6. Which hydrocarbon is a member of the alkane series? (1) 1. Which is the structural formula of methane? (1) (2) (2) (3) (3) (4) (4) 1. Which is the structural formula of methane? 6. Which hydrocarbon is a member of the alkane series? 7. How many carbon atoms are contained in an ethyl group? 1 3 2 4 2. In the alkane series, each molecule

More information

Chemistry at Work. How Chemistry is used in the Water Service

Chemistry at Work. How Chemistry is used in the Water Service Chemistry at Work How Chemistry is used in the Water Service WATER TREATMENT Everyday, more than 100 water treatment works in Northern Ireland put approximately 680 million litres of water into the supply

More information

CHAPTER 6: ACID-BASE AND DONOR-ACCEPTOR CHEMISTRY

CHAPTER 6: ACID-BASE AND DONOR-ACCEPTOR CHEMISTRY 82 Chapter 6 Acid-ase and Donor-Acceptor Chemistry CATER 6: ACID-ASE AD DR-ACCETR CEMISTRY 6.1 Acid ase Definition a. Alr 3 r Lewis b. Cl 4 C 3 C Lewis, rønsted-lowry c. i 2+ 3 Lewis d. Cl 3 Lewis e. S

More information

Chapter 8, Acid-base equilibria

Chapter 8, Acid-base equilibria Chapter 8, Acid-base equilibria Road map of acid-base equilibria On first encounter, the study of acid-base equilibria is a little like a strange land with seemingly confusing trails that make passage

More information

Acid-base Chemistry of Aquatic Systems

Acid-base Chemistry of Aquatic Systems i Acid-base Chemistry of Aquatic Systems An introduction to the chemistry of acid-base equilibria with emphasis on the carbon dioxide system in natural waters eith A. Hunter Professor in Chemistry Department

More information

PROFESSIONAL DEVELOPMENT

PROFESSIONAL DEVELOPMENT PROFESSIONAL DEVELOPMENT AP Chemistry Acids and Bases Special Focus The College Board: Connecting Students to College Success The College Board is a not-for-profit membership association whose mission

More information

How do we determine which molecule is more basic?

How do we determine which molecule is more basic? How do we determine which molecule is more basic? One way to determine is by considering molecules structure, because structure can affect basicity of a molecule. Let s start with this concept. Higher

More information

AS/A Level GCE. GCE Chemistry A. version 4 September 2013. OCR Advanced Subsidiary GCE in Chemistry A H034 OCR Advanced GCE in Chemistry A H434

AS/A Level GCE. GCE Chemistry A. version 4 September 2013. OCR Advanced Subsidiary GCE in Chemistry A H034 OCR Advanced GCE in Chemistry A H434 AS/A Level GCE GCE Chemistry A OCR Advanced Subsidiary GCE in Chemistry A H034 OCR Advanced GCE in Chemistry A H434 version 4 September 2013 QAN 500/2425/5 QAN 500/2347/0 Contents 1 About these Qualifications

More information

TOPIC-1: CHEMICAL EQUILIBRIUM A MATTER OF BALANCE

TOPIC-1: CHEMICAL EQUILIBRIUM A MATTER OF BALANCE Chemistry 534 CHAPTER 6 Chemical Equilibrium The subject of any investigation is called a system. When the study involves experimentation, the system is said to be real. When the study involves ideas,

More information

INTERATOMIC DISTANCES IN COVALENT AMOLECULES ANAD RESONANCE BETWEEN TWO OR MORE LEWIS ELECTRONIC

INTERATOMIC DISTANCES IN COVALENT AMOLECULES ANAD RESONANCE BETWEEN TWO OR MORE LEWIS ELECTRONIC VOL. 18, 1932 CEMISTRY: L. PA ULING 293 INTERATOMIC DISTANCES IN COVALENT AMOLECULES ANAD RESONANCE BETWEEN TWO OR MORE LEWIS ELECTRONIC STR UCTUR.8S BY LINuS PAULING GATES CEMICAL LABORATORY, CALIFORNIA

More information

Acid-Base Extraction.

Acid-Base Extraction. Acid-Base Extraction. Extraction involves dissolving a compound or compounds either (1) from a solid into a solvent or (2) from a solution into another solvent. A familiar example of the first case is

More information

Unit 8 Chemical Equilibrium Focusing on Acid-Base Systems

Unit 8 Chemical Equilibrium Focusing on Acid-Base Systems Unit 8 Chemical Equilibrium Focusing on Acid-Base Systems unit 8Chemical Equilibrium Chemical Equilibrium Focusing on Acid Base Systems Equilibrium describes any condition or situation of balance. We recognize

More information

Mass of thoroughly dried filter paper. Mass of filter paper + precipitate after third drying. Mass of filter paper + precipitate after second drying

Mass of thoroughly dried filter paper. Mass of filter paper + precipitate after third drying. Mass of filter paper + precipitate after second drying Mass of KI tablet Mass of thoroughly dried filter paper Mass of filter paper + precipitate after first drying Mass of filter paper + precipitate after second drying Mass of filter paper + precipitate after

More information

Symmetric Stretch: allows molecule to move through space

Symmetric Stretch: allows molecule to move through space BACKGROUND INFORMATION Infrared Spectroscopy Before introducing the subject of IR spectroscopy, we must first review some aspects of the electromagnetic spectrum. The electromagnetic spectrum is composed

More information

Microbial Nutrition And bacterial Classification Microbiology Unit-I. Muhammad Iqbal Lecturer KMU

Microbial Nutrition And bacterial Classification Microbiology Unit-I. Muhammad Iqbal Lecturer KMU Microbial Nutrition And bacterial Classification Microbiology Unit-I Muhammad Iqbal Lecturer KMU Objectives At the end of this lecture the students will be able to: Define key terms. Identify the basic

More information

Solutions. A Chem1 Reference Text Stephen K. Lower Simon Fraser University. 1 Solutions 2

Solutions. A Chem1 Reference Text Stephen K. Lower Simon Fraser University. 1 Solutions 2 Solutions A Chem1 Reference Text Stephen K. Lower Simon Fraser University Contents 1 Solutions 2 2 Types of solutions 2 2.1 Gaseous solutions.................................... 4 2.2 Solutions of gases

More information

Enrollment Services: Rev 12/11/2012 1

Enrollment Services: Rev 12/11/2012 1 Enrollment Services: Rev 12/11/2012 1 Purpose of This Guide Page 3 CSULB Major Specific Requirements Page 4 Using ASSIST to Determine Course Equivalencies Between CSULB and California Community Colleges

More information

HOW TO STUDY CHEMISTRY

HOW TO STUDY CHEMISTRY AN OVERALL STUDY STRATEGY HOW TO STUDY CHEMISTRY For an introductory science course such as Chemistry 1A, lectures usually provide the best guide to the study of the subject. The instructor presents and

More information

Unit 11 Practice. Name: Class: Date: Multiple Choice Identify the choice that best completes the statement or answers the question.

Unit 11 Practice. Name: Class: Date: Multiple Choice Identify the choice that best completes the statement or answers the question. Name: Class: Date: Unit 11 Practice Multiple Choice Identify the choice that best completes the statement or answers the question. 1) Crystalline solids. A) have their particles arranged randomly B) have

More information

COURSE SYLLABUS. Luis Hernandez Chemical & Environmental Building J TBA. luis.hernandez@harlingen.tstc.edu

COURSE SYLLABUS. Luis Hernandez Chemical & Environmental Building J TBA. luis.hernandez@harlingen.tstc.edu COURSE SYLLABUS COURSE NUMBER AND TITLE: CHEM 1311 General Chemistry I COURSE (CATALOG) DESCRIPTION: Fundamental principles of chemistry for majors in the sciences, health sciences, and engineering; topics

More information

A Grignard reagent formed would deprotonate H of the ethyl alcohol OH.

A Grignard reagent formed would deprotonate H of the ethyl alcohol OH. 216 S11-E2 Page 2 Name Key I. (9 points) Answer in the boxes below the following questions for the Grignard reagent C 3 -Mg. (1) (2 points) Is the carbon atom associated with magnesium electrophilic or

More information

CHEMICAL CLEANING OF METALS

CHEMICAL CLEANING OF METALS CHEMICAL CLEANING F METALS Metal equipment must be cleaned from time to time to prevent damage and maintain efficiency of operation. The chemical cleaning of metals has a number of advantages over mechanical

More information

NMR Chemical Shifts of Common Laboratory Solvents as Trace Impurities

NMR Chemical Shifts of Common Laboratory Solvents as Trace Impurities 7512 J. Org. Chem. 1997, 62, 7512-7515 NMR Chemical Shifts of Common Laboratory Solvents as Trace Impurities Hugo E. Gottlieb,* Vadim Kotlyar, and Abraham Nudelman* Department of Chemistry, Bar-Ilan University,

More information

In addition, a control wood bark test (without rock) was installed 10 weeks after all the other tests had begun. This control test consisted of approximately 10 kg of uncompacted wood bark placed in a

More information

How to Prevent Glass Corrosion

How to Prevent Glass Corrosion How to Prevent Glass Corrosion In the article below "How to Prevent Glass Corrosion" by Paul F. Duffer (Glass Digest, November 15, 1986), Dr. Duffer explains the chemical mechanisms causing glass corrosion

More information

Master of Arts in Science Education for Grade 5 9 Teachers

Master of Arts in Science Education for Grade 5 9 Teachers Master of Arts in Science Education for Grade 5 9 Teachers The Master of Arts in Science Education (5 9) is a competency-based degree program that prepares already licensed teachers both to be licensed

More information

Determining the Quantity of Iron in a Vitamin Tablet. Evaluation copy

Determining the Quantity of Iron in a Vitamin Tablet. Evaluation copy Determining the Quantity of Iron in a Vitamin Tablet Computer 34 As biochemical research becomes more sophisticated, we are learning more about the role of metallic elements in the human body. For example,

More information

Comparative Studies for Selection of Technologies for Arsenic Removal from Drinking Water

Comparative Studies for Selection of Technologies for Arsenic Removal from Drinking Water 76 Technologies for Removal of Arsenic from Drinking Water Comparative Studies for Selection of Technologies for Arsenic Removal from Drinking Water J. C. Saha Development Design Consultants Limited DDC

More information

Aquagent. Pyridine-free volumetric Karl Fischer reagents

Aquagent. Pyridine-free volumetric Karl Fischer reagents Aquagent. Pyridine-free volumetric Karl Fischer reagents One-component reagents Two-component reagents Reagents for aldehyde and ketone analysis Working Media Dry solvents Standards Pyridine-free Fast

More information

(b) As the mass of the Sn electrode decreases, where does the mass go?

(b) As the mass of the Sn electrode decreases, where does the mass go? A student is given a standard galvanic cell, represented above, that has a Cu electrode and a Sn electrode. As current flows through the cell, the student determines that the Cu electrode increases in

More information

Investigating Matter Through Inquiry

Investigating Matter Through Inquiry T H I R D E D I T I O N Investigating Matter Through Inquiry A project of the American Chemical Society Education Division Office of K 8 Science American Chemical Society American Chemical Society Inquiry

More information

Reagents also compatible in Hach

Reagents also compatible in Hach Reagents also compatible in Hach VARIO Powder Packs (PP) and Reagents for Photometry Test Range Reagent Liquid Reagent Tube Tests Powder Pack VARIO Aluminium Reagent, Set F20 Aluminium 0 0.22 mg/l Al VARIO

More information

Inside Hair: A Closer Look at Color and Shape

Inside Hair: A Closer Look at Color and Shape Inside Hair: A Closer Look at Color and Shape For the past decade women and men alike have had chemical treatments preformed on their hair. Consumers spend millions of dollars on hair care products such

More information

Antioxidant Products. A comprehensive range of. Antioxidants

Antioxidant Products. A comprehensive range of. Antioxidants Antioxidant Products A comprehensive range of ALB BIL FERR GR Ransel Ransod antioxidant TAS testing TIBC kits TF BIL FERR GR Ransel Ransod TAS TIBC TF UA A FERR GR Ransel Ransod TAS TIBC TF UA ALB GR Ransel

More information

CHEMICAL ABSORPTION OF H 2 S FOR BIOGAS PURIFICATION

CHEMICAL ABSORPTION OF H 2 S FOR BIOGAS PURIFICATION Brazilian Journal of Chemical Engineering ISSN 14-6632 Printed in Brazil Vol. 21, No. 3, pp. 415-422, July - September 24 CHEMICAL ABSORPTION OF H 2 S FOR BIOGAS PURIFICATION M.S. Horikawa 1, F. Rossi

More information

Chromium Speciation in Drinking Water by LC-ICP-MS

Chromium Speciation in Drinking Water by LC-ICP-MS APPLICATION NOTE LC-ICP-MS Authors: Helmut Ernstberger Ken Neubauer PerkinElmer, Inc. Shelton, CT Chromium Speciation in Drinking Water by LC-ICP-MS Introduction With the growing concern of pollutants

More information

E. Marenna a, E. Santacesaria b, P. Pernice a, M. Di Serio b, A. Aronne a

E. Marenna a, E. Santacesaria b, P. Pernice a, M. Di Serio b, A. Aronne a UNIVERSITA DEGLI STUDI DI NAPOLI FEDERICO II SYNTHESIS VIA SOL-GEL OF Nb 2 O 5 SiO 2 CATALYSTS FOR EPOXIDATION REACTIONS E. Marenna a, E. Santacesaria b, P. Pernice a, M. Di Serio b, A. Aronne a a Dipartimento

More information

R E S U L T S Page 2 of 5. REPORT : TURR140103615 08 July, 2014 Test Method Result Requirements. Metal body Metal handle Metal screw Metal gasket

R E S U L T S Page 2 of 5. REPORT : TURR140103615 08 July, 2014 Test Method Result Requirements. Metal body Metal handle Metal screw Metal gasket TEST REPORT Page 1 of 5 REPORT NUMBER : TURR140103615 APPLICANT NAME ADDRESS Lava Metal Döküm San. Tic. A.Ş. Eskişehir Organize Sanayi Bölgesi 22. Cd. No:3 Eskişehir Fax : 0222 236 26 09 Attention : S.Elçin

More information

Isomers Have same molecular formula, but different structures

Isomers Have same molecular formula, but different structures Isomers ave same molecular formula, but different structures Constitutional Isomers Differ in the order of attachment of atoms (different bond connectivity) Stereoisomers Atoms are connected in the same

More information

Improving Silica Removal By EDI and GTM January 16, 2014 August 27, 2014 -- McIlvaine

Improving Silica Removal By EDI and GTM January 16, 2014 August 27, 2014 -- McIlvaine Improving Silica Removal By EDI and GTM January 16, 2014 August 27, 2014 McIlvaine Michael J. Snow, Ph.D. President SnowPure Water Technologies (USA) San Clemente, California Headquarters Electropure EDI

More information

Nauki ścisłe priorytetem społeczeństwa opartego na wiedzy Artykuły na platformę CMS

Nauki ścisłe priorytetem społeczeństwa opartego na wiedzy Artykuły na platformę CMS S t r o n a 1 Author: Marta Miedźwiedziew METAL CORROSION AND PROTECTION AGAINST CORROSION Introduction The article is intended for high school students having courses in chemistry at both the basic and

More information

TEST REPORT Page 1 of 5. Baksan Sanayi Sitesi 73.Blok No:8 ESKİŞEHİR TEL NO: 0222 340 03 77 Attention: Cengiz Serger (isikmaden@isikmaden.com.

TEST REPORT Page 1 of 5. Baksan Sanayi Sitesi 73.Blok No:8 ESKİŞEHİR TEL NO: 0222 340 03 77 Attention: Cengiz Serger (isikmaden@isikmaden.com. TEST REPORT Page 1 of 5 REPORT NUMBER : APPLICANT NAME ADDRESS TURR140182510 Işık Madencilik San. Tic. Ltd. Şti. Baksan Sanayi Sitesi 73.Blok No:8 ESKİŞEHİR TEL NO: 0222 340 03 77 Attention: Cengiz Serger

More information

CODEX STANDARD FOR FOLLOW-UP FORMULA CODEX STAN 156-1987. This standard applies to the composition and labelling of follow-up formula.

CODEX STANDARD FOR FOLLOW-UP FORMULA CODEX STAN 156-1987. This standard applies to the composition and labelling of follow-up formula. CODEX STAN 156-1987 Page 1 of 9 CODEX STANDARD FOR FOLLOW-UP FORMULA CODEX STAN 156-1987 1. SCOPE This standard applies to the composition and labelling of follow-up formula. It does not apply to foods

More information

What is Eluent Generation?

What is Eluent Generation? What is Eluent Generation? Monika Verma Thermo Fisher Scientific, Sunnyvale, CA, USA White Paper 70607 Executive Summary Eluent generation is an electrolytic process that allows the production of high

More information

The Potentiodynamic Polarization Scan. Technical Report 33

The Potentiodynamic Polarization Scan. Technical Report 33 Technical Report 33 Technical Report 33 David G Enos Center for Electrochemical Science & Engineering Department of Materials Science & Engineering University of Virginia Charlottesville, VA Louie L Scribner

More information

TECHNICAL AND ECONOMIC EVALUATION AND SELECTION OF SULFATE ION REMOVAL TECHNOLOGIES FOR RECOVERY OF WATER FROM MINERAL CONCENTRATE TRANSPORT SLURRY

TECHNICAL AND ECONOMIC EVALUATION AND SELECTION OF SULFATE ION REMOVAL TECHNOLOGIES FOR RECOVERY OF WATER FROM MINERAL CONCENTRATE TRANSPORT SLURRY TECHNICAL AND ECONOMIC EVALUATION AND SELECTION OF SULFATE ION REMOVAL TECHNOLOGIES FOR RECOVERY OF WATER FROM MINERAL CONCENTRATE TRANSPORT SLURRY ABSTRACT Paul J. Usinowicz, Ph.D., P.E., BCEE*, Bruce

More information

General Chemistry I / Chemical Principles Fall 2012

General Chemistry I / Chemical Principles Fall 2012 General Chemistry I / Chemical Principles Fall 2012 Instructor: Marta Wloch Phone: (248) 370-2333 E-mail: wloch@oakland.edu Office: 269 SEB Office Hrs: MW 3:30 4:30 PM or by appointment Course: CHM 157

More information

SCP SCIENCE www.scpscience.com. Certified Reference Materials. Materials

SCP SCIENCE www.scpscience.com. Certified Reference Materials. Materials Certified Reference 47 EnviroMAT and AgroMAT Certifi ed Reference (CRMs) are designed to complement existing Performance Evaluation Programs in environmental and agricultural analysis. EnviroMAT CRMs allow

More information

Courtesy of Professor Daley, Foothill College Chemistry Dept. 1

Courtesy of Professor Daley, Foothill College Chemistry Dept. 1 Foothill College Department of Chemistry Safety Rules and Regulations Safety Rules: 1. Prepare for each experiment by reading all of the directions before lab starts. 2. Locate the Safety Equipment. Know

More information

-1- BIOS 100 - Fall, 2009 Exam I, 18 Sept, 2008 Michael Muller, Instructor

-1- BIOS 100 - Fall, 2009 Exam I, 18 Sept, 2008 Michael Muller, Instructor BIOS 100 - Fall, 2009 Exam I, 18 Sept, 2008 Michael Muller, Instructor Name: TA: This exam consists of 42 questions over 7 pages (the last page of which has the periodic table and Bloom s hierarchy). Please

More information

Opiates in Urine by SAMHSA GC/MS

Opiates in Urine by SAMHSA GC/MS application Note Gas Chromatography/ Mass Spectrometry Author Timothy D. Ruppel PerkinElmer, Inc. Shelton, CT 06484 USA Opiates in Urine by SAMHSA GC/MS Introduction The United States Department of Health

More information

Salt Weathering of Masonry Walls The Venice Experience. By M. Collepardi, S. Collepardi and R. Troli

Salt Weathering of Masonry Walls The Venice Experience. By M. Collepardi, S. Collepardi and R. Troli Salt Weathering of Masonry Walls The Venice Experience By M. Collepardi, S. Collepardi and R. Troli Synopsis: All the buildings in Venice insist on foundation immersed in sea water and then are permanently

More information

Sequential leaching procedure tool for risk assessment of contaminated sites

Sequential leaching procedure tool for risk assessment of contaminated sites Sequential leaching procedure tool for risk assessment of contaminated sites Juhani Kaakinen Chief of Environmental Protection Unit Environment and Natural Resources HIGHBIO2 2011-2013 PROJECT SEMINAR

More information

aurora M90 Innovation with Integrity A new era in ICP-MS ICP-MS

aurora M90 Innovation with Integrity A new era in ICP-MS ICP-MS aurora M90 A new era in ICP-MS Innovation with Integrity ICP-MS Your Partner in ICP-MS Solutions Bruker continues to find new and novel ways to meet your changing needs. As a leader in elemental analysis

More information

Automotive Base Oil Presentation

Automotive Base Oil Presentation Automotive Base Oil Presentation What is a Base Oil? The refined petroleum mineral or synthetic material that is produced by a refinery to a required set of specifications. A lubricant s quality can depend

More information

The Other CO 2 -Problem. Eight Experiments for Students and Teachers

The Other CO 2 -Problem. Eight Experiments for Students and Teachers The Other CO 2 -Problem Eight Experiments for Students and Teachers introduction Ocean Acidification - The Other CO 2 Problem The oceans cover more than two-thirds of the planet earth. This vast body of

More information

International Journal of Research and Reviews in Pharmacy and Applied science. www.ijrrpas.com

International Journal of Research and Reviews in Pharmacy and Applied science. www.ijrrpas.com International Journal of Research and Reviews in Pharmacy and Applied science www.ijrrpas.com P.V.V.Satyanarayana*, Alavala Siva Madhavi NEW SPECTROPHOTOMETRIC METHODS FOR THE QUANTITATIVE ESTIMATION OF

More information

Impact of leakages on marine ecosystems

Impact of leakages on marine ecosystems Impact of leakages on marine ecosystems Cinzia De Vittor ph When dissolves in seawater, H2CO3 is formed. Most of the H2CO3 quickly dissociates into a hydrogen ion (H+) and HCO3- + H2O H2CO3 HCO3- + H+

More information

Hydranautics. RO Water Chemistry

Hydranautics. RO Water Chemistry Hydranautics RO Water Chemistry Alkalinity: Alkalinity is comprised primarily of bicarbonate, carbonate and hydroxide ions. Naturally occurring alkalinity functions as the earth s natural buffering system.

More information

AMINE PROMOTION OF HYDROGEN EVOLUTION REACTION SUPPRESSION AND CO2 CONVERSION FOR ARTIFICIAL PHOTOSYNTHESIS BY WEI ZHU

AMINE PROMOTION OF HYDROGEN EVOLUTION REACTION SUPPRESSION AND CO2 CONVERSION FOR ARTIFICIAL PHOTOSYNTHESIS BY WEI ZHU 2011 Wei Zhu AMINE PROMOTION OF HYDROGEN EVOLUTION REACTION SUPPRESSION AND CO2 CONVERSION FOR ARTIFICIAL PHOTOSYNTHESIS BY WEI ZHU DISSERTATION Submitted in partial fulfillment of the requirements for

More information

Maximum growth rate of sugar beet as a result of nutrient supply, ph and other environmental factors. Olof Hellgren

Maximum growth rate of sugar beet as a result of nutrient supply, ph and other environmental factors. Olof Hellgren Maximum growth rate of sugar beet as a result of nutrient supply, ph and other environmental factors Olof Hellgren Nutrient addition and uptake traditional and static concept TRADITIONAL CONCEPT is based

More information

Outline. Self-assembled monolayer (SAM) formation and growth. Metal nanoparticles (NP) anchoring on SAM

Outline. Self-assembled monolayer (SAM) formation and growth. Metal nanoparticles (NP) anchoring on SAM From functional nanostructured surfaces to innovative optical biosensors Giacomo Dacarro Dipartimento di Fisica A.Volta Dipartimento di Chimica Generale Università degli Studi di Pavia Dalla scienza dei

More information

Molecular Engineering for Solar Energy Conversion and Lighting Materials

Molecular Engineering for Solar Energy Conversion and Lighting Materials 193 Figure 5.1 Schematic representation of photochemical water splitting (artificial photosynthesis). Five fundamental components are needed: (1) an antenna for light harvesting, (2) a charge-separation

More information

Oasis HLB Cartridges and 96-Well Plates

Oasis HLB Cartridges and 96-Well Plates CONTENTS I. INTRODUCTION II. SAMPLE PRE-TREATMENT a. Biological Samples b. Solid Samples: Soil, Whole Foods, Tissue c. Aqueous Samples: Water, Beverages d. Non-Aqueous Liquid III. SOLID PHASE EXTRACTION

More information

Lecture 7: Photochemistry of Important Atmospheric Species

Lecture 7: Photochemistry of Important Atmospheric Species Lecture 7: Photochemistry of Important Atmospheric Species Required Reading: FP Chapter 4 Atmospheric Chemistry CHEM-5151 / ATC-5151 Spring 2005 Prof. Jose-Luis Jimenez General remarks 2 3 Nitrogen species

More information

Bachelor s Programme in Agricultural and Environmental Management Study line: Environmental Management. Total Study description 2011-2013

Bachelor s Programme in Agricultural and Environmental Management Study line: Environmental Management. Total Study description 2011-2013 Bachelor s Programme in Agricultural and Environmental Management Study line: Environmental Management Total Study description 2011-2013 Table of contents: 1. The Programme... 3 2. Total study overview...

More information

AMMONIA AND UREA PRODUCTION

AMMONIA AND UREA PRODUCTION AMMONIA AND UREA PRODUCTION Urea (NH 2 CONH 2 ) is of great importance to the agriculture industry as a nitrogen-rich fertiliser. In Kapuni, Petrochem manufacture ammonia and then convert the majority

More information

GT2011 46090 ANALYSIS OF A MICROGASTURBINE FED BY NATURAL GAS AND SYNTHESIS GAS: MGT TEST BENCH AND COMBUSTOR CFD ANALYSIS

GT2011 46090 ANALYSIS OF A MICROGASTURBINE FED BY NATURAL GAS AND SYNTHESIS GAS: MGT TEST BENCH AND COMBUSTOR CFD ANALYSIS ASME Turbo Expo 2011 June 6 10, 2011 Vancouver, Canada GT 2011 46090 ANALYSIS OF A MICROGASTURBINE FED BY NATURAL GAS AND SYNTHESIS GAS: MGT TEST BENCH AND COMBUSTOR CFD ANALYSIS M. Cadorin 1,M. Pinelli

More information

1. Implication. Example 1. Each of the following statements is an implication: You can view Statement 1 above as a promise.

1. Implication. Example 1. Each of the following statements is an implication: You can view Statement 1 above as a promise. 1. Implication The statement means that if p is true, then q must also be true. The statement is also written if p then q or sometimes q if p. Statement p is called the premise of the implication and q

More information

Basics of Kraft Pulping & Recovery Process. Art J. Ragauskas Institute of Paper Science and Technology Georgia Institute of Technology

Basics of Kraft Pulping & Recovery Process. Art J. Ragauskas Institute of Paper Science and Technology Georgia Institute of Technology Basics of Kraft Pulping & Recovery Process Art J. Ragauskas Institute of Paper Science and Technology Georgia Institute of Technology Outline History Goals Process Overview Kraft Pulping Process Kraft

More information

Carbon Dioxide and Dissolved Oxygen Removal From Makeup Water By Gas Transfer Membranes

Carbon Dioxide and Dissolved Oxygen Removal From Makeup Water By Gas Transfer Membranes Technical Paper Carbon Dioxide and Dissolved Oxygen Removal From Makeup Water By Gas Transfer Membranes Authors: S.H. Macklin, Northeast Utilities, W.E. Haas, GE Water & Process Technologies and W.S. Miller,

More information

DENTAL ADMISSION TESTING PROGRAM Sample Test Items

DENTAL ADMISSION TESTING PROGRAM Sample Test Items DENTAL ADMISSION TESTING PROGRAM Sample Test Items Dental Admission Testing Program 211 East Chicago Avenue, Suite 600 Chicago, Illinois 60611 1-800-232-2162 American Dental Association www.ada.org These

More information

Light-driven Nanoscale Chiral Molecular Switch: Reversible Dynamic Full Range Color Phototuning

Light-driven Nanoscale Chiral Molecular Switch: Reversible Dynamic Full Range Color Phototuning This journal is (c) The Royal Society of Chemistry Supporting Information Light-driven Nanoscale Chiral Molecular Switch: Reversible Dynamic Full Range Color Phototuning Ji Ma, Yannian Li, Timothy White,

More information

IV. Molecular Clouds. 1. Molecular Cloud Spectra

IV. Molecular Clouds. 1. Molecular Cloud Spectra IV. Molecular Clouds Dark structures in the ISM emit molecular lines. Dense gas cools, Metals combine to form molecules, Molecular clouds form. 1. Molecular Cloud Spectra 1 Molecular Lines emerge in absorption:

More information

TEST REPORT Page 1 of 6

TEST REPORT Page 1 of 6 TEST REPORT Page 1 of 6 REPORT NUMBER : TURA120008877 APPLICANT NAME ADDRESS Sarbak Metal Tic. ve San. A.Ş. Organize Sanayi Bölgesi Gaziosmanpaşa Mah. Đtfaiye Cad.No: 3 Nafe Han 17/12 Çerkezköy Tekirdağ

More information

- The value of a state function is independent of the history of the system. - Temperature is an example of a state function.

- The value of a state function is independent of the history of the system. - Temperature is an example of a state function. First Law of hermodynamics 1 State Functions - A State Function is a thermodynamic quantity whose value deends only on the state at the moment, i. e., the temerature, ressure, volume, etc - he value of

More information

Unexpected course of a Williamson ether synthesis

Unexpected course of a Williamson ether synthesis Issue in onor of Prof. Atta-ur-Rahman ARKIVC 2007 (vii) 291-300 Unexpected course of a Williamson ether synthesis Klaus-Peter Zeller, a * Peter aiss, a Meike artmann, a and Klaus Eichele b a Institut für

More information

Ab initio calculations for photodissociation of diatomic molecules

Ab initio calculations for photodissociation of diatomic molecules Ab initio calculations for photodissociation of diatomic molecules Gerrit C. Groenenboom Theoretical Chemistry Institute for Molecules and Materials Radboud University Nijmegen The Netherlands Leiden 215

More information

FIVE-DAY BIOCHEMICAL 7.0 OXYGEN DEMAND

FIVE-DAY BIOCHEMICAL 7.0 OXYGEN DEMAND FIVE-DAY BIOCHEMICAL 7.0 OXYGEN DEMAND by G.C. Delzer and S.W. McKenzie BOD 1 Page 7.0 Five-day biochemical oxygen demand... BOD-3 7.0.1 Equipment and supplies... 6 7.0.2 Sample collection and storage...

More information

Chapter 2 Students Misconceptions and How to Overcome Them

Chapter 2 Students Misconceptions and How to Overcome Them Chapter 2 Students Misconceptions and How to Overcome Them Misconceptions are not only to be observed in today s children or students even scientists and philosophers developed and lived with many misconceptions

More information

The 30-Minute Guide to ICP-MS

The 30-Minute Guide to ICP-MS Technical Note The 30-Minute Guide to ICP-MS ICP-Mass Spectrometry A Worthy Member of the Inorganic Analysis Team For nearly 30 years, inductively coupled plasma mass spectrometry (ICP-MS) has been gaining

More information

PATHOGEN DETECTION SYSTEMS BY REAL TIME PCR. Results Interpretation Guide

PATHOGEN DETECTION SYSTEMS BY REAL TIME PCR. Results Interpretation Guide PATHOGEN DETECTION SYSTEMS BY REAL TIME PCR Results Interpretation Guide Pathogen Detection Systems by Real Time PCR Microbial offers real time PCR based systems for the detection of pathogenic bacteria

More information

Unstable, Reactive & Energetic Chemicals. University of Nebraska-Lincoln Chemistry Department & Environmental Health & Safety

Unstable, Reactive & Energetic Chemicals. University of Nebraska-Lincoln Chemistry Department & Environmental Health & Safety Unstable, Reactive & Energetic Chemicals University of Nebraska-Lincoln Chemistry Department & Environmental Health & Safety Background Unstable, reactive and energetic compounds use at colleges and universities

More information

What is ICP-MS? and more importantly, what can it do?

What is ICP-MS? and more importantly, what can it do? What is ICP-MS? and more importantly, what can it do? Inductively Coupled Plasma Mass Spectrometry or ICP-MS is an analytical technique used for elemental determinations. The technique was commercially

More information

Landmark Lesson Plan: Man and Materials through History

Landmark Lesson Plan: Man and Materials through History Landmark Lesson Plan: Man and Materials through History Grades: 9-12 Subject areas: Chemistry, Materials Science, Polymers and History Based on The Development of Bakelite, a National Historic Chemical

More information