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  1. The state of matter in which molecules are widely spaced is a: 3.1 Solid Liquid Gas Elemental Molecular

  2. The state of matter in which molecules are widely spaced is a: 3.1 Solid Liquid Gas Elemental Molecular

  3. A state of matter that has a definite volume and is relatively incompressible is a: 3.2 Solid Liquid Gas All of the above Two of the above

  4. A state of matter that has a definite volume and is relatively incompressible is a: 3.2 Solid Liquid Gas All of the above Two of the above

  5. Which of the following is an example of an amorphous solid? 3.3 Diamond salt Gold Water Soot

  6. Which of the following is an example of an amorphous solid? 3.3 Diamond Salt Gold Water Soot

  7. Which of the following type has the highest average kinetic energy? 3.4 Lead at 25 oC Cold water at 21 oC Hot water at 95 oC A cool gas at 25 oC A hot gas at 85 oC

  8. Which of the following type has the highest average kinetic energy? 3.4 Lead at 25 oC Cold water at 21 oC Hot water at 95 oC A cool gas at 25 oC A hot gas at 85 oC

  9. Which of the following is a pure substance? 3.5 Sodium Milk Blood Saline solution Stainless steel

  10. Which of the following is a pure substance? 3.5 Sodium Milk Blood Saline solution Stainless steel

  11. Which of the following is an element? 3.6 Sugar Salt Brass Chlorine Air

  12. Which of the following is an element? 3.6 Sugar Salt Brass Chlorine Air

  13. Which of the following is a mixture? 3.7 Seawater Iron ore Air Milk All of the above

  14. Which of the following is a mixture? 3.7 Seawater Iron ore Air Milk All of the above

  15. Boiling point is an example of a: 3.8 Physical change Chemical change Quantitative property Physical property Chemical property

  16. Boiling point is an example of a: 3.8 Physical change Chemical change Quantitative property Physical property Chemical property

  17. How would you classify wine? 3.9 Pure substance—compound Pure substance—element Mixture—homogeneous Mixture—heterogeneous Pure substance—homogenous

  18. How would you classify wine? 3.9 Pure substance—compound Pure substance—element Mixture—homogeneous Mixture—heterogeneous Pure substance—homogenous

  19. Which of the following is NOT a chemical property? 3.10 The density of a liquid The ability of iron to rust Flammability of gasoline Reactivity of acids with metals All of these are chemical properties.

  20. Which of the following is NOT a chemical property? 3.10 The density of a liquid The ability of iron to rust Flammability of gasoline Reactivity of acids with metals All of these are chemical properties.

  21. Which of the following is a physical change? 3.11 Burning wood Barbequing a steak Splitting water into hydrogen and oxygen gases Breaking a piece of glass Baking a cake

  22. Which of the following is a physical change? 3.11 Burning wood Barbequing a steak Splitting water into hydrogen and oxygen gases Breaking a piece of glass Baking a cake

  23. Which of the following statements is FALSE? 3.12 The freezing of water is a physical change. The conversion of compounds into elements is a physical change. The combination of sodium metal and chlorine gas to form sodium chloride is a chemical change. Photosynthesis is an example of a chemical change. Distilling alcohol from water is a physical change.

  24. Which of the following statements is FALSE? 3.12 The freezing of water is a physical change. The conversion of compounds into elements is a physical change. The combination of sodium metal and chlorine gas to form sodium chloride is a chemical change. Photosynthesis is an example of a chemical change. Distilling alcohol from water is a physical change.

  25. A solution is a(n): 3.13 Element Compound Homogenous mixture Heterogeneous mixture Pure substance

  26. A solution is a(n): 3.13 Element Compound Homogenous mixture Heterogeneous mixture Pure substance

  27. If you burn 100. g of wood and produce 15.0 g of ash, what is the mass of the other products produced? 3.14 115 g 100. g 85 g 15.0 g 1.0 g

  28. If you burn 100. g of wood and produce 15.0 g of ash, what is the mass of the other products produced? 3.14 115 g 100. g 85 g 15.0 g 1.0 g

  29. Which of the following is an example of something with potential energy? 3.15 A ball falling through the air A dart thrown at a dart board A ball rolling down a slide An arrow flying through the air All of the above

  30. Which of the following is an example of something with potential energy? 3.15 A ball falling through the air A dart thrown at a dart board A ball rolling down a slide An arrow flying through the air All of the above

  31. How many kJ of energy are in a fast food hamburger containing 560 Calories? (Note: 1 Cal = 4.184 J.) 3.16 2.34 kJ 5.60 kJ 2.34 x 103 kJ 2.34 x 106kJ 5.60 x 103kJ

  32. How many kJ of energy are in a fast food hamburger containing 560 Calories? (Note: 1 Cal = 4.184 J.) 3.16 2.34 kJ 5.60 kJ 2.34 x 103 kJ 2.34 x 106kJ 5.60 x 103kJ

  33. Convert 95.0 kWh to Calories. (Note: 1 Cal = 4.184 J and 1 kWh = 3.60 x 106 J.) 3.17 8.17 x 103 Cal 8.17 x 104 Cal 8.17 x 107 Cal 1.43 x 107 Cal 1.43 x 109 Cal

  34. Convert 95.0 kWh to Calories. (Note: 1 Cal = 4.184 J and 1 kWh = 3.60 x 106 J.) 3.17 8.17 x 103 Cal 8.17 x 104 Cal 8.17 x 107 Cal 1.43 x 107 Cal 1.43 x 109 Cal

  35. Convert 42 °C to °F and express the answer to the correct number of significant figures. 3.18 42 oF 107 oF 107.6 oF 108 oF 315 oF

  36. Convert 42 °C to °F and express the answer to the correct number of significant figures. 3.18 42 oF 107 oF 107.6 oF 108 oF 315 oF

  37. Convert 97 °C to K and express the answer to the correct number of significant figures. (Be careful now.) 3.19 369 K 370 K 397 K -176 K No answer listedis correct.

  38. Convert 97 °C to K and express the answer to the correct number of significant figures. (Be careful now.) 3.19 369 K 370 K 397 K -176 K No answer listedis correct.

  39. Convert 233 K to °F. 3.20 -40 °F 0 °F 40 °F 233 °F 943 °F (What do you notice about the°F and oC?)

  40. Convert 233 K to °F. 3.20 -40 °F 0 °F 40 °F 233 °F 943 °F (What do you notice about the°F and oC?)

  41. Which of the following temperatures is not possible? 3.21 1001 K 1001 °C 1 K -401 °C -401 °F

  42. Which of the following temperatures is not possible? 3.21 1001 K 1001 °C 1 K -401 °C -401 °F

  43. How many joules are required to raise the temperature of 1.074 g of iron from 25.1 °C to 100.0 °C? The specific heat of iron is 0.449 J/g • °C. 3.22 36.1 J -36.1 J 0.036 J -0.036 J 0.449 J

  44. How many joules are required to raise the temperature of 1.074 g of iron from 25.1 °C to 100.0 °C? The specific heat of iron is 0.449 J/g • °C. 3.22 36.1 J -36.1 J 0.036 J -0.036 J 0.449 J

  45. A 0.250 kg bar of aluminum metal at 23.8 °C has 15.5 KJ of heat added. What is the final temperature of the aluminum bar? The specific heat of aluminum is 0.903 J/g • °C. 3.23 23.8 °C 83.0 °C 92.5 °C 68.7 °C 44.9 °C

  46. A 0.250 kg bar of aluminum metal at 23.8 °C has 15.5 KJ of heat added. What is the final temperature of the aluminum bar? The specific heat of aluminum is 0.903 J/g • °C. 3.23 23.8 °C 83.0 °C 92.5 °C 68.7 °C 44.9 °C

  47. What is the mass (in kg) of gold that experiences a temperature increase of 45.1 °C when 6.034 Cal of heat are added? The specific heat of gold is 0.128 J/g • °C and 1 Cal = 4.184 J. 3.24 1.05 x 103 kg 4.37 x 103 kg 1.05 kg 4.37 kg 6.03 kg

  48. What is the mass (in kg) of gold that experiences a temperature increase of 45.1°C when 6.034 Cal of heat are added? The specific heat of gold is 0.128 J/g • °C and 1 Cal = 4.184 J. 3.24 1.05 x 103 kg 4.37 x 103 kg 1.05 kg 4.37 kg 6.03 kg