General Chemistry. Principles & Modern Applications 9 th Edition. Petrucci/Harwood/Herring/Madura. Chapter 1 Matter Its Properties & Measurement

Transcription

1 General Chemistry Principles & Modern Applications 9 th Edition Petrucci/Harwood/Herring/Madura Chapter 1 Matter Its Properties & Measurement Dr. Travis D. Fridgen Memorial University of Newfoundland 2007 Pearson Education

2 Inks and food colouring are typically composed of many different dyes which can be separated by paper chromatography. Which of the following terms apply to inks? 1. substance 2. homogenous. compound 4. element 5. heterogeneous

3 Inks and food colouring are typically composed of many different dyes which can be separated by paper chromatography. Which of the following terms apply to inks? 1. substance 2. homogenous. compound 4. element 5. heterogeneous

4 Which of the following separations cannot be achieved using a physical process and, therefore, requires a chemical process? 1. salt from sea water 2. water from honey. hydrogen from water 4. ice from water 5. fish from water

5 Which of the following separations cannot be achieved using a physical process and, therefore, requires a chemical process? 1. salt from sea water 2. water from honey. hydrogen from water 4. ice from water 5. fish from water

6 kl hl dal L dl cl ml equivalent equivalent equivalent km hm dam m dm cm mm to convert to convert Using the above diagram, 1 L is equivalent to ml cm. 0.1 m 4. Both A and B 5. All of the above

7 kl hl dal L dl cl ml equivalent equivalent equivalent km hm dam m dm cm mm to convert to convert Using the above diagram, 1 L is equivalent to ml cm. 0.1 m 4. Both A and B 5. All of the above

8 kl hl dal L dl cl ml equivalent equivalent equivalent km hm dam m dm cm mm to convert to convert Using the above diagram, 1 ml is equivalent to L 2. 1 x 10-6 m. 100 mm cl 5. none of the above

9 kl hl dal L dl cl ml equivalent equivalent equivalent km hm dam m dm cm mm to convert to convert Using the above diagram, 1 ml is equivalent to L 2. 1 x 10-6 m. 100 mm cl 5. none of the above

10 The volume of the cube to the right is L ml kl 10.0 cm 10.0 cm 4. 0 cm dl 10.0 cm

11 The volume of the cube to the right is L ml kl 10.0 cm 10.0 cm 4. 0 cm dl 10.0 cm

12 The average density of a human brain is 0.90 g cm -. Which of the following is the correct process to convert g cm - to kg L -1? g 1000 kg 1 cm kg cm 1 g 1000 L L = 0.90 g 1 kg 10 cm - kg = cm 1000 g 1 L L Portion of painting by Charles R. Knight g 1 kg 1000 cm kg cm 1000 g 1 L L = 0.90

13 The average density of a human brain is 0.90 g cm -. Which of the following is the correct process to convert g cm - to kg L -1? g 1000 kg 1 cm kg cm 1 g 1000 L L = 0.90 g 1 kg 10 cm - kg = cm 1000 g 1 L L Portion of painting by Charles R. Knight g 1 kg 1000 cm kg cm 1000 g 1 L L = 0.90

14 The density of the earth is about 4 g ml -1. Which of the following is the correct process to convert g ml -1 to kg m -? 1. 4 = 4 10 ml 1000 g 1 m m 6 g 1 kg 1 10 ml kg g 1 kg 1000 ml kg 2. 4 = 4 ml 1000 g 1 m m From NASA files g 1000 kg 1 ml kg. 4 = 4 10 ml 1 g 1 10 m m 6

15 The density of the earth is about 4 g ml -1. Which of the following is the correct process to convert g ml -1 to kg m -? 1. 4 = 4 10 ml 1000 g 1 m m 6 g 1 kg 1 10 ml kg g 1 kg 1000 ml kg 2. 4 = 4 ml 1000 g 1 m m From NASA files g 1000 kg 1 ml kg. 4 = 4 10 ml 1 g 1 10 m m 6

16 A Galileo thermometer functions based on the dependence of density on temperature. Which of the following statements is correct? 1. The yellow ball at the bottom is less dense than the red ball on top. 2. The yellow ball is less dense than the liquid in the cylinder.. The black ball at the top is more dense than the blue ball on the bottom. 4. The black ball at the top is less dense than the liquid in the cylinder. red black yellow blue

17 A Galileo thermometer functions based on the dependence of density on temperature. Which of the following statements is correct? 1. The yellow ball at the bottom is less dense than the red ball on top. 2. The yellow ball is less dense than the liquid in the cylinder.. The black ball at the top is more dense than the blue ball on the bottom. 4. The black ball at the top is less dense than the liquid in the cylinder. red black yellow blue

18 Which of the following expresses the result of the following calculation with the correct number of significant figures? cm 2.45 cm cm = x 10 5 cm x 10 5 cm..797 x 10 5 cm x 10 5 cm 5..8 x 10 5 cm

19 Which of the following expresses the result of the following calculation with the correct number of significant figures and appropriate units? cm 2.45 cm cm = x 10 5 cm x 10 5 cm..797 x 10 5 cm x 10 5 cm 5..8 x 10 5 cm

20 Which of the following expresses the result of the following calculation with the correct number of significant figures and appropriate units? g cm cm = g g cm g cm g g

21 Which of the following expresses the result of the following calculation with the correct number of significant figures and appropriate units? g cm cm = g g cm g cm g g

22 A 1.1 g stone is placed into a graduated cylinder and displaces 10.2 ml of water. Without using a calculator, an estimate for the density of the stone is 1. ~000 g ml ~00 g ml -1. ~0 g ml ~ g ml ~0. g ml -1

23 A 1.1 g stone is placed into a graduated cylinder and displaces 10.2 ml of water. Without using a calculator, an estimate for the density of the stone is 1. ~000 g ml ~00 g ml -1. ~0 g ml ~ g ml ~0. g ml -1

24 Which of the following do you think would be the best unit of measure to express the height of the Eiffel tower. 1. centimetres 2. nanometres. gigametres 4. meters 5. kilometers

25 Which of the following do you think would be the best unit of measure to express the height of the Eiffel tower. 1. centimetres 2. nanometres. gigametres 4. meters 5. kilometers