SQUADS #4 CPW. 9 th Grade Science
|
|
|
- Brice Griffin
- 8 years ago
- Views:
Transcription
1 SQUADS #4 CPW 9 th Grade Science Learning Intentions - Today, I am going to address these College Readiness Standards in Science: 1. Interpretation of Data Interpretation of Data Scientific Investigation Scientific Investigation Scientific Investigation Interpretation of Data Evaluation of Models, Inferences, and Experimental Results Success Criteria I know I am successful when I can select data from a simple graph, understand the methods used in a simple experiment, determine the experimental conditions that would produce specified results, and find basic information in a brief body of text.
2 Quick Note! Today s questions are based on the printed passage you will receive shortly. After reading your passage individually or as a group, choose the best answer to each question. You may refer to the passages as often as necessary. You have 2 Minutes to read your passage!
3 9 th Grade Science #1. A solution of sugar in water is NOT supersaturated when 300 g of sugar and 100 g of water are mixed at a temperature of: A. 20 degrees Celsius. B. 40 degrees Celsius. C. 50 degrees Celsius. D. 70 degrees Celsius.
4 Correct Answer: D A supersaturated results when the amount of solute dissolved exceeds the solubility at a given temperature. At the temperatures listed in choices A, B, and C, the solutions are supersaturated. At 70 degrees Celsius, the solution is NOT supersaturated.
5 9 th Grade Science #2. In order for 250 g of sugar to completely dissolve in 100 g of water, the temperature of the solution would have to be at a minimum of: F. 15 degrees Celsius. G. 25 degrees Celsius. H. 45 degrees Celsius. J. 65 degrees Celsius.
6 Correct Answer: H Below 45 degrees Celsius (at 15 and 25 degrees), the sugar will not dissolve completely. At 65 degrees, the sugar will dissolve; however, 65 degrees is above the minimum temperature required to dissolve the sugar.
7 9 th Grade Science #3. At 100 degrees Celsius, the solubility of sugar in water would most likely be: A. less than 250 g of sugar in 100 g of water. B. between 250 g of sugar and 350 g of sugar in 100 g of water. C. between 350 g of sugar and 400 g of sugar in 100 g of water. D. more than 400 g of sugar in 100 g of water.
8 Correct Answer: D This question is asking you to make a prediction based on the given data. The solubility of sugar in water increases as the temperature increases. Choices A and B can be ruled out because they do not follow this trend. Choice C is incorrect because it does not follow the shape of the curve on the graph.
9 9 th Grade Science #4. In order to produce rock candy at 20 degrees Celsius from a solution of 300 g of sugar not completely dissolved in 100 g of water, the solution must be: F. first heated above 60 degrees Celsius, then slowly cooled to 20 degrees Celsius. G. slowly stirred at 20 degrees Celsius. H. slowly cooled to 0 degrees Celsius. J. slowly cooled below 0 degrees Celsius, then heated to 20 degrees Celsius and stirred.
10 Correct Answer: F The question could be answered by going back to the passage. Rock candy is made by first completely dissolving the excess sugar, at a high temperature, then slowly cooling to room temperature. Choices G, H, and J don t describe heating, followed by slow cooling.
11 9 th Grade Science #5. How much sugar must be added to a solution of 50 g of sugar in 100 g of water at 45 degrees Celsius in order for the solution to be supersaturated? A. more than 10 grams B. more than 20 grams C. more than 100 grams D. more than 200 grams
12 Correct Answer: D In order for a solution to be supersaturated, the amount of sugar has to exceed solubility. Therefore, a total of more than 250 g is necessary. If a solution already contains 50 g of sugar, more than 200 grams are required.
13 9 th Grade Science #6. Solubility is defined as: F. a supersaturated mixture. G. a mixture that is made by dissolving a solute in a solution. H. the amount of solute that can be dissolved in a solvent at a given temperature. J. the temperature that causes supersaturation.
14 Correct Answer: H According to the passage, solubility is defined as the amount of solute that can be dissolved in a solvent at a given temperature.
15 9 th Grade Science #7. What is the approximate difference in temperature for the solubility of 200 grams of sugar/100 grams of water and 250 grams of sugar/100 grams of water? A. 10 degrees Celsius B. 20 degrees Celsius C. 30 degrees Celsius D. 40 degrees Celsius
16 Correct Answer: B The solubility of 200 grams of sugar/100 grams of water is 200 degrees Celsius. The solubility of 250 grams of sugar/100 grams of water is 40 degrees Celsius. Therefore, the difference in temperature is 20 degrees Celsius.
To measure the solubility of a salt in water over a range of temperatures and to construct a graph representing the salt solubility.
THE SOLUBILITY OF A SALT IN WATER AT VARIOUS TEMPERATURES 2007, 1995, 1991 by David A. Katz. All rights reserved. Permission for academic use provided the original copyright is included. OBJECTIVE To measure
Solubility Curve of Sugar in Water
Solubility Curve of Sugar in Water INTRODUCTION Solutions are homogeneous mixtures of solvents (the larger volume of the mixture) and solutes (the smaller volume of the mixture). For example, a hot chocolate
A. Types of Mixtures:
I. MIXTURES: SOLUTIONS 1) mixture = a blend of two or more kinds of matter, each of which retains its own identity and properties a) homogeneous mixture = a mixture that is uniform in composition throughout
Heterogeneous Homogenous. Mixtures; Solutions. Phases of matter: Solid. Phases of Matter: Liquid. Phases of Matter: Gas. Solid, Liquid, Gas
Phases of matter: Solid Heterogeneous Homogenous Mixtures Solutions Phases of Matter: Liquid Atoms and molecules are more spaced out and now can move. The material can be slightly compressed into a smaller
SOLUBILITY OF A SALT IN WATER AT VARIOUS TEMPERATURES LAB
SOLUBILITY OF A SALT IN WATER AT VARIOUS TEMPERATURES LAB Purpose: Most ionic compounds are considered by chemists to be salts and many of these are water soluble. In this lab, you will determine the solubility,
Freezing Point Depression: Why Don t Oceans Freeze? Teacher Advanced Version
Freezing Point Depression: Why Don t Oceans Freeze? Teacher Advanced Version Freezing point depression describes the process where the temperature at which a liquid freezes is lowered by adding another
Chapter 14 Solutions
Chapter 14 Solutions 1 14.1 General properties of solutions solution a system in which one or more substances are homogeneously mixed or dissolved in another substance two components in a solution: solute
Chapter Test A. Elements, Compounds, and Mixtures MULTIPLE CHOICE. chemically combined? MIXs2 a. element b. compound c. mixture d.
Assessment Chapter Test A Elements, Compounds, and Mixtures MULTIPLE CHOICE Write the letter of the correct answer in the space provided. 1. What is a pure substance made of two or more elements that are
Chapter 5 Student Reading
Chapter 5 Student Reading THE POLARITY OF THE WATER MOLECULE Wonderful water Water is an amazing substance. We drink it, cook and wash with it, swim and play in it, and use it for lots of other purposes.
Experiment #10: Liquids, Liquid Mixtures and Solutions
Experiment #10: Liquids, Liquid Mixtures and Solutions Objectives: This experiment is a broad survey of the physical properties of liquids. We will investigate solvent/solute mixtures. We will study and
For Experimental Design
Scientific Method Process and Terminology Grade Level: 2-12 The Scientific Method For Experimental Design Research Question: The research question is the single most important part of the scientific method.
The Solubility of Calcium Carbonate
1 The Solubility of Calcium Carbonate Lesson Plan Developed by: John Thurmond, Plainfield North High School, Plainfield, Illinois Based on Presentation June, 2011. Northwestern University, Climate Change
Energetic Reactions: Ice Cream Experiment Teacher Guide
Module Overview Heat transfer is an important part of many chemical reactions, but it is often not directly observed. In this module students conduct an experiment making homemade ice cream that requires
Hands-On Labs SM-1 Lab Manual
EXPERIMENT 4: Separation of a Mixture of Solids Read the entire experiment and organize time, materials, and work space before beginning. Remember to review the safety sections and wear goggles when appropriate.
SEPARATION OF A MIXTURE OF SUBSTANCES LAB
SEPARATION OF A MIXTURE OF SUBSTANCES LAB Purpose: Every chemical has a set of defined physical properties, and when combined they present a unique fingerprint for that chemical. When chemicals are present
FP1. HiSET TM Science Practice Test
FP1 HiSET TM Science Practice Test Copyright 2013 Educational Testing Service. All rights reserved. E T S and the E T S logo are registered trademarks of Educational Testing Service (E T S) in the United
Warm-Up 9/9. 1. Define the term matter. 2. Name something in this room that is not matter.
Warm-Up 9/9 1. Define the term matter. 2. Name something in this room that is not matter. Warm-Up 9/16 1. List the three most important rules of lab safety. 2. Would you classify jello as a solid or a
The 2016 Wisconsin Crystal Growing Competition
Molecular Structure Laboratory Chemistry Department University of Wisconsin-Madison The 2016 Wisconsin Crystal Growing Competition Handbook March 3, 2016 http://xray.chem.wisc.edu/wicgc_2016.html Official
Recrystallization II 23
Recrystallization II 23 Chem 355 Jasperse RECRYSTALLIZATIN-Week 2 1. Mixed Recrystallization of Acetanilide 2. Mixed Recrystallization of Dibenzylacetone 3. Recrystallization of an Unknown Background Review:
Specific Heat (slope and steepness)
1 Specific Heat (slope and steepness) 10 pages. According to the Physical Science text book, the Specific Heat of a material is DEFINED as the following: Specific heat is the amount of heat energy required
5. Which temperature is equal to +20 K? 1) 253ºC 2) 293ºC 3) 253 C 4) 293 C
1. The average kinetic energy of water molecules increases when 1) H 2 O(s) changes to H 2 O( ) at 0ºC 3) H 2 O( ) at 10ºC changes to H 2 O( ) at 20ºC 2) H 2 O( ) changes to H 2 O(s) at 0ºC 4) H 2 O( )
Lesson 10: Mixtures of Matter - Part 2
Science Unit: Matter Lesson 10: Mixtures of Matter - Part 2 School year: 2004/2005 Developed for: Developed by: Grade level: Duration of lesson: Notes: Queen Alexandra Elementary School, Vancouver School
In order to solve this problem it is first necessary to use Equation 5.5: x 2 Dt. = 1 erf. = 1.30, and x = 2 mm = 2 10-3 m. Thus,
5.3 (a) Compare interstitial and vacancy atomic mechanisms for diffusion. (b) Cite two reasons why interstitial diffusion is normally more rapid than vacancy diffusion. Solution (a) With vacancy diffusion,
Pre-Lab Notebook Content: Your notebook should include the title, date, purpose, procedure; data tables.
Determination of Molar Mass by Freezing Point Depression M. Burkart & M. Kim Experimental Notes: Students work in pairs. Safety: Goggles and closed shoes must be worn. Dispose of all chemical in the plastic
Prentice Hall. Chemistry (Wilbraham) 2008, National Student Edition - South Carolina Teacher s Edition. High School. High School
Prentice Hall Chemistry (Wilbraham) 2008, National Student Edition - South Carolina Teacher s Edition High School C O R R E L A T E D T O High School C-1.1 Apply established rules for significant digits,
Chemistry Ch 15 (Solutions) Study Guide Introduction
Chemistry Ch 15 (Solutions) Study Guide Introduction Name: Note: a word marked (?) is a vocabulary word you should know the meaning of. A homogeneous (?) mixture, or, is a mixture in which the individual
CH204 Experiment 2. Experiment 1 Post-Game Show. Experiment 1 Post-Game Show continued... Dr. Brian Anderson Fall 2008
CH204 Experiment 2 Dr. Brian Anderson Fall 2008 Experiment 1 Post-Game Show pipette and burette intensive and extensive properties interpolation determining random experimental error What about gross error
CHAPTER 9 Part 1. = 5 wt% Sn-95 wt% Pb C β. = 98 wt% Sn-2 wt% Pb. = 77 wt% Ag-23 wt% Cu. = 51 wt% Zn-49 wt% Cu C γ. = 58 wt% Zn-42 wt% Cu
CHAPTER 9 Part 1 9.5 This problem asks that we cite the phase or phases present for several alloys at specified temperatures. (a) For an alloy composed of 15 wt% Sn-85 wt% Pb and at 100 C, from Figure
Experiment 1: Colligative Properties
Experiment 1: Colligative Properties Determination of the Molar Mass of a Compound by Freezing Point Depression. Objective: The objective of this experiment is to determine the molar mass of an unknown
CHEM 2423 Recrystallization of Benzoic Acid EXPERIMENT 4 - Purification - Recrystallization of Benzoic acid
EXPERIMENT 4 - Purification - Recrystallization of Benzoic acid Purpose: a) To purify samples of organic compounds that are solids at room temperature b) To dissociate the impure sample in the minimum
Chapter 13 - Solutions
Chapter 13 - Solutions 13-1 Types of Mixtures I. Solutions A. Soluble 1. Capable of being dissolved B. Solution 1. A homogeneous mixture of two or more substances in a single phase C. Solvent 1. The dissolving
Alloys & Their Phase Diagrams
Alloys & Their Phase Diagrams Objectives of the class Gibbs phase rule Introduction to phase diagram Practice phase diagram Lever rule Important Observation: One question in the midterm Consider the Earth
Objectives. Materials
. Objectives Activity 12 To model the process of cooling To use a cooling curve to simulate a forensic scenario to predict the time of death To use technology to find an exponential plot Materials TI-83
Review - After School Matter Name: Review - After School Matter Tuesday, April 29, 2008
Name: Review - After School Matter Tuesday, April 29, 2008 1. Figure 1 The graph represents the relationship between temperature and time as heat was added uniformly to a substance starting at a solid
PHYSICAL SEPARATION TECHNIQUES. Introduction
PHYSICAL SEPARATION TECHNIQUES Lab #2 Introduction When two or more substances, that do not react chemically, are blended together, the result is a mixture in which each component retains its individual
Chapter 13 Solution Dynamics. An Introduction to Chemistry by Mark Bishop
Chapter 13 Solution Dynamics An Introduction to Chemistry by Mark Bishop Chapter Map Why Changes Happen Consider a system that can switch freely between two states, A and B. Probability helps us to predict
First Grade Unit A: PHYSICAL SCIENCE Chapter 1: Observing Solids, Liquids and Gases Lessons 1 to 5
First Grade Unit A: PHYSICAL SCIENCE Chapter 1: Observing Solids, Liquids and Gases Lessons 1 to 5 Physical Science Overview Materials (matter) come in different forms. Water can be rain falling (liquid)
Activity Sheets Enzymes and Their Functions
Name: Date: Activity Sheets Enzymes and Their Functions amylase What are Enzymes? starch glucose Enzymes are compounds that assist chemical reactions by increasing the rate at which they occur. For example,
1 Introduction The Scientific Method (1 of 20) 1 Introduction Observations and Measurements Qualitative, Quantitative, Inferences (2 of 20)
The Scientific Method (1 of 20) This is an attempt to state how scientists do science. It is necessarily artificial. Here are MY five steps: Make observations the leaves on my plant are turning yellow
Apparatus error for each piece of equipment = 100 x margin of error quantity measured
1) Error Analysis Apparatus Errors (uncertainty) Every time you make a measurement with a piece of apparatus, there is a small margin of error (i.e. uncertainty) in that measurement due to the apparatus
Pure Solid Compounds: Molecules held together in rigid formations by intermolecular forces.
Recrystallization: Purification of Solid Compounds Pure Solid Compounds: Molecules held together in rigid formations by intermolecular forces. Types of Intermolecular Forces? 1. Van der Waal s forces London
Chemistry. The student will be able to identify and apply basic safety procedures and identify basic equipment.
Chemistry UNIT I: Introduction to Chemistry The student will be able to describe what chemistry is and its scope. a. Define chemistry. b. Explain that chemistry overlaps many other areas of science. The
Fat Content in Ground Meat: A statistical analysis
Volume 25: Mini Workshops 385 Fat Content in Ground Meat: A statistical analysis Mary Culp Canisius College Biology Department 2001 Main Street Buffalo, NY 14208-1098 culpm@canisius.edu Mary Culp has been
Taking Apart the Pieces
Lab 4 Taking Apart the Pieces How does starting your morning out right relate to relief from a headache? I t is a lazy Saturday morning and you ve just awakened to your favorite cereal Morning Trails and
Energy Matters Heat. Changes of State
Energy Matters Heat Changes of State Fusion If we supply heat to a lid, such as a piece of copper, the energy supplied is given to the molecules. These start to vibrate more rapidly and with larger vibrations
CHAPTER 13: SOLUTIONS
CHAPTER 13: SOLUTIONS Problems: 1-8, 11-15, 20-30, 37-88, 107-110, 131-132 13.2 SOLUTIONS: HOMOGENEOUS MIXTURES solution: homogeneous mixture of substances present as atoms, ions, and/or molecules solute:
Interpretation of Data (IOD) Score Range
These Standards describe what students who score in specific score ranges on the Science Test of ACT Explore, ACT Plan, and the ACT college readiness assessment are likely to know and be able to do. 13
ANSWER KEY. Acids, Bases, and Solutions. Chapter Project Worksheet 1 1. Answers will vary. Sample: cherries, blueberries,
Chapter Project Worksheet 1 1. Answers will vary. Sample: cherries, blueberries, and grass 2. Answers will vary. Sample: Cut 5 g of cherries into small pieces and place in blender. Blend for two minutes,
The Physical Chemistry, Theory and Technique of Freezing Point Determinations
The Physical Chemistry, Theory and Technique of Freezing Point Determinations Table of Contents Chapter Physical Chemistry Review. Measuring the concentration of solutions.2 Comparison of concentrative
Properties and Classifications of Matter
PS-3.1 Distinguish chemical properties of matter (including reactivity) from physical properties of matter (including boiling point, freezing/melting point, density [with density calculations], solubility,
EXPERIMENT 2 THE HYDROLYSIS OF t-butyl CHLORIDE. PURPOSE: To verify a proposed mechanism for the hydrolysis of t-butyl Chloride.
PURPOSE: To verify a proposed mechanism for the hydrolysis of t-butyl Chloride. PRINCIPLES: Once the Rate Law for a reaction has been experimentally established the next step is its explanation in terms
In this experiment, we will use three properties to identify a liquid substance: solubility, density and boiling point..
Identification of a Substance by Physical Properties 2009 by David A. Katz. All rights reserved. Permission for academic use provided the original copyright is included Every substance has a unique set
Investigation M3: Separating Mixtures into Component Parts
Investigation M3: Separating Mixtures into Component Parts Goals: Use various methods to separate mixtures, make inferences from temperature/time graphs, and identify substances. 81 Activity M3.3: What
It is an important tool to assess factors that affect the bioavailability of a drug from a solid preparartion.
Quality control of tablets Dissolution It is an important tool to assess factors that affect the bioavailability of a drug from a solid preparartion. To ensure that the preparation comply with product
Chemistry 212 VAPOR PRESSURE OF WATER LEARNING OBJECTIVES
Chemistry 212 VAPOR PRESSURE OF WATER LEARNING OBJECTIVES The learning objectives of this experiment are to explore the relationship between the temperature and vapor pressure of water. determine the molar
MSE 528 - PRECIPITATION HARDENING IN 7075 ALUMINUM ALLOY
MSE 528 - PRECIPITATION HARDENING IN 7075 ALUMINUM ALLOY Objective To study the time and temperature variations in the hardness and electrical conductivity of Al-Zn-Mg-Cu high strength alloy on isothermal
Specification for Assessment #3 Organizing and Making Inferences/Predictions from Data
Organizing and Making Inferences/Predictions from Data Competencies Student can organize data by creating a table, chart, or other representation to facilitate interpretation. Student can make inferences
Determining the Identity of an Unknown Weak Acid
Purpose The purpose of this experiment is to observe and measure a weak acid neutralization and determine the identity of an unknown acid by titration. Introduction The purpose of this exercise is to identify
Element of same atomic number, but different atomic mass o Example: Hydrogen
Atomic mass: p + = protons; e - = electrons; n 0 = neutrons p + + n 0 = atomic mass o For carbon-12, 6p + + 6n 0 = atomic mass of 12.0 o For chlorine-35, 17p + + 18n 0 = atomic mass of 35.0 atomic mass
Chapter 6. Solution, Acids and Bases
Chapter 6 Solution, Acids and Bases Mixtures Two or more substances Heterogeneous- different from place to place Types of heterogeneous mixtures Suspensions- Large particles that eventually settle out
Short Answer Resource Guide for Adult Educators
The 2014 GED Test - Science Short Answer Resource Guide for Adult Educators December 2013 GED is a registered trademark of the American Council on Education. Used under license. The 2014 GED Test - Science
Title: Hotter Than Hot - Boiling Point Elevation in Non-Electrolyte and Electrolyte Solutions
Title: Hotter Than Hot - Boiling Point Elevation in Non-Electrolyte and Electrolyte Solutions Brief Overview: Colligative properties of a solution are properties that depend only on the number, and not
Minnesota Comprehensive Assessments-Series III
Not for student use. Minnesota Comprehensive Assessments-Series III Science Item Sampler Script Grade 8 S ARE NOT SECURE TEST MATERIALS. THIS ITEM SAMPLER SCRIPT MAY BE COPIED OR DUPLICATED. MINNESOTA
Key. Name: OBJECTIVES
Name: Key OBJECTIVES Correctly define: observation, inference, classification, percent deviation, density, rate of change, cyclic change, dynamic equilibrium, interface, mass, volume GRAPHICAL RELATIONSHIPS
Determination of Molar Mass by Freezing-Point Depression
DETERMINATION OF MOLAR MASS BY FREEZING-POINT DEPRESSION 141 Determination of Molar Mass by Freezing-Point Depression OBJECTIVES: Gain familiarity with colligative properties of nonelectrolyte solutions
Experiment 2: Recrystallization & Melting Point
Experiment 2: Recrystallization & Melting Point Part A: Choosing a Solvent Part B: Purification of Phenacetin Reading: Mohrig, Hammond & Schatz Ch. 15 pgs 183-197 Ch. 10 pgs 104-113 Ch. 14 pgs 174-182
Materials 10-mL graduated cylinder l or 2-L beaker, preferably tall-form Thermometer
VAPOR PRESSURE OF WATER Introduction At very low temperatures (temperatures near the freezing point), the rate of evaporation of water (or any liquid) is negligible. But as its temperature increases, more
Joule Equivalent of Electrical Energy
by Dr. James E. Parks Department of Physics and Astronomy 401 Nielsen Physics Building The University of Tennessee Knoxville, Tennessee 37996-1200 Copyright October, 2013 by James Edgar Parks* *All rights
Unit 1 - Pure Substances and Mixtures Chapter 2: Solutions
2.1 Solutes & Solvents Vocabulary: Unit 1 - Pure Substances and Mixtures Chapter 2: Solutions solvent the larger part of a solution - the part of a solution into which the solutes dissolve solute the smaller
One Stop Shop For Teachers
Physical Science Curriculum The Georgia Performance Standards are designed to provide students with the knowledge and skills for proficiency in science. The Project 2061 s Benchmarks for Science Literacy
SAM Teachers Guide Heat and Temperature
SAM Teachers Guide Heat and Temperature Overview Students learn that temperature measures average kinetic energy, and heat is the transfer of energy from hot systems to cold systems. They consider what
ph: Measurement and Uses
ph: Measurement and Uses One of the most important properties of aqueous solutions is the concentration of hydrogen ion. The concentration of H + (or H 3 O + ) affects the solubility of inorganic and organic
DATES TAUGHT DATE ASSESSED. ASSESSMENT TYPE (classroom, STAR, objective, subjective, project, etc.) Ongoing Ongoing Ongoing Discussion Classroom Tests
York Public Schools, 2 nd Grade STRAND Inquiry and Nature of STANDARD OBJECTIVES (What it looks like in the classroom) The learner will SC2.1.1.a Ask questions that relate to a science topic SC2.1.1.b
It's Cool: The Shape of Change
It's Cool: The hape of Change The text of Lesson 4: It's Cool From the books The hape of Change and The hape of Change: tocks and Flows By Rob Quaden and Alan Ticotsky With Debra Lyneis Illustrated by
Chemistry B11 Chapter 6 Solutions and Colloids
Chemistry B11 Chapter 6 Solutions and Colloids Solutions: solutions have some properties: 1. The distribution of particles in a solution is uniform. Every part of the solution has exactly the same composition
Melting Range 1 Experiment 2
Melting Range 1 Experiment 2 Background Information The melting range of a pure organic solid is the temperature range at which the solid is in equilibrium with its liquid. As heat is added to a solid,
Lab 6: Paper Chromatography. Pages145-154 Pre-lab page 151 No Post lab Chromatogram must be turned in attached to lab report
Lab 6: Paper Chromatography Pages145-154 Pre-lab page 151 No Post lab Chromatogram must be turned in attached to lab report Chromatography Chromatography is an analytical technique used to separate the
Chemistry B11 Chapter 4 Chemical reactions
Chemistry B11 Chapter 4 Chemical reactions Chemical reactions are classified into five groups: A + B AB Synthesis reactions (Combination) H + O H O AB A + B Decomposition reactions (Analysis) NaCl Na +Cl
Exemplar for Internal Achievement Standard. Biology Level 2
Exemplar for internal assessment resource Biology for Achievement Standard 9115 Exemplar for Internal Achievement Standard Biology Level 2 This exemplar supports assessment against: Achievement Standard
About Coffee and Refractometers 2008-2010 Voice Systems Technology, Inc. (VST)
About Coffee and Refractometers 2008-200 Voice Systems Technology, Inc. (VST) www.mojotogo.us.0 Coffee and Refractive Index Refractive Index measurements have been used for process control in the food
Necessary equipment. - Food grade fermenter or bucket with airtight lid - Airlock - Syphon tube - Bottles or a pressure barrel (keg) with S30 valve
Necessary equipment - Food grade fermenter or bucket with airtight lid - Airlock - Syphon tube - Bottles or a pressure barrel (keg) with S30 valve A fermenter/bucket with lots of headspace is best, 27L
These giant gypsum cave crystals in Mexico grew very slowly in warm, stable, mineral rich water. (National Geographic)
Nanoscience studies nature at the molecular level. Some molecules, given the right conditions, self-assemble in a regular pattern, for example, a crystal. These giant gypsum cave crystals in Mexico grew
Chemical Bonding: Polarity of Slime and Silly Putty
Lab 12 Chemical Bonding: Polarity of Slime and Silly Putty TN Standard 3.1: Investigate chemical bonding. Students will distinguish between polar and non-polar molecules. Have you ever read the newspaper
Acids & Bases: Using Purple Cabbage as a ph indicator. Grade 9 Activity Plan
Acids & Bases: Using Purple Cabbage as a ph indicator Grade 9 Activity Plan 1 Acids, Bases & Purple Cabbage Objectives: 1. To demonstrate the basic physical and chemical properties of acids and bases.
MOISTURE (Karl Fischer, Buffered)
MOIST.03-1 MOISTURE (Karl Fischer, Buffered) PRINCIPLE SCOPE The sample is dissolved in a mixture of methanol and formamide (50:50 v/v) and then titrated with standardized Karl Fischer reagent. The titration
GA/7 Potentiometric Titration
Rev. 7/99 7-1 INTRODUCTION GA/7 Potentiometric Titration The potentiometric titration is a useful means of characterizing an acid. The ph of a solution is measured as a function of the amount of titrant
Chapter 8. Phase Diagrams
Phase Diagrams A phase in a material is a region that differ in its microstructure and or composition from another region Al Al 2 CuMg H 2 O(solid, ice) in H 2 O (liquid) 2 phases homogeneous in crystal
TEACHER ACTIVITY GUIDE
Page 1/5 TEACHER ACTIVITY GUIDE EFFECT OF HEAT & ph ON COLOR & TEXTURE OF GREEN VEGETABLES Taken from IFT Experiments in Food Science Series Color plays a key role in establishing consumer acceptability
1. At which temperature would a source radiate the least amount of electromagnetic energy? 1) 273 K 3) 32 K 2) 212 K 4) 5 K
1. At which temperature would a source radiate the least amount of electromagnetic energy? 1) 273 K 3) 32 K 2) 212 K 4) 5 K 2. How does the amount of heat energy reflected by a smooth, dark-colored concrete
Ice Cream Maker INSTRUCTION MANUAL WITH RECIPES. www.zokuhome.com
Ice Cream Maker INSTRUCTION MANUAL WITH RECIPES www.zokuhome.com The Zoku Ice Cream Maker revolutionizes the way ice cream is made at home. Watch ice cream magically freeze before your eyes in minutes!
Introduction to the Ideal Gas Law
Course PHYSICS260 Assignment 5 Consider ten grams of nitrogen gas at an initial pressure of 6.0 atm and at room temperature. It undergoes an isobaric expansion resulting in a quadrupling of its volume.
ORGANIC LABORATORY TECHNIQUES 10 10.1. NEVER distill the distillation flask to dryness as there is a risk of explosion and fire.
ORGANIC LABORATORY TECHNIQUES 10 10.1 DISTILLATION NEVER distill the distillation flask to dryness as there is a risk of explosion and fire. The most common methods of distillation are simple distillation
Table of Content. Enzymes and Their Functions Teacher Version 1
Enzymes and Their Functions Jeisa Pelet, Cornell University Carolyn Wilczynski, Binghamton High School Cornell Learning Initiative in Medicine and Bioengineering (CLIMB) Table of Content Title Page Abstract..
Experiment 5 Preparation of Cyclohexene
Experiment 5 Preparation of yclohexene In this experiment we will prepare cyclohexene from cyclohexanol using an acid catalyzed dehydration reaction. We will use the cyclohexanol that we purified in our
Content Guide & Five Items Resource
Content Guide & Five Items Resource Introduction The following information should be used as a companion to the CPI Links. It provides clarifications concerning the content and skills contained in the
The Structure of Water Introductory Lesson
Dana V. Middlemiss Fall 2002 The Structure of Water Introductory Lesson Abstract: This is an introduction to the chemical nature of water and its interactions. In particular, this lesson will explore evaporation,
Experiment 8 Synthesis of Aspirin
Experiment 8 Synthesis of Aspirin Aspirin is an effective analgesic (pain reliever), antipyretic (fever reducer) and anti-inflammatory agent and is one of the most widely used non-prescription drugs. The
ATOMIC ABSORTION SPECTROSCOPY: rev. 4/2011 ANALYSIS OF COPPER IN FOOD AND VITAMINS
1 ATOMIC ABSORTION SPECTROSCOPY: rev. 4/2011 ANALYSIS OF COPPER IN FOOD AND VITAMINS Buck Scientific Atomic Absorption Spectrophotometer, Model 200 Atomic absorption spectroscopy (AAS) has for many years
Experiment 5: Phase diagram for a three-component system (Dated: April 12, 2010)
Experiment 5: Phase diagram for a three-component system (Dated: April 12, 2010) I. INTRODUCTION It is sometimes necessary to know the mutual solubilities of liquids in a two-phase system. For example,
Chapter 13 - LIQUIDS AND SOLIDS
Chapter 13 - LIQUIDS AND SOLIDS Problems to try at end of chapter: Answers in Appendix I: 1,3,5,7b,9b,15,17,23,25,29,31,33,45,49,51,53,61 13.1 Properties of Liquids 1. Liquids take the shape of their container,