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

26. Heterogeneous mixture Pure substance
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
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
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. A ball falling through the air A dart thrown at a dart board
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. A ball falling through the air A dart thrown at a dart board
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 106 kJ
5.60 x 103 kJ

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 106 kJ
5.60 x 103 kJ

33. Convert 95. 0 kWh to Calories. (Note: 1 Cal = 4. 184 J and 1 kWh = 3
Convert 95.0 kWh to Calories. (Note: 1 Cal = 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
Convert 95.0 kWh to Calories. (Note: 1 Cal = 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. No answer listed is correct.
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 listed is correct.

38. No answer listed is correct.
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 listed is correct.

39. (What do you notice about the °F and oC?)
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. (What do you notice about the °F and oC?)
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
How many joules are required to raise the temperature of g of iron from 25.1 °C to °C? The specific heat of iron is J/g • °C.
3.22 J J J J J

44. How many joules are required to raise the temperature of 1
How many joules are required to raise the temperature of g of iron from 25.1 °C to °C? The specific heat of iron is J/g • °C.
3.22 J J J J J

45. A 0. 250 kg bar of aluminum metal at 23. 8 °C has 15
A 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 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
A 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 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 Cal of heat are added? The specific heat of gold is J/g • °C and 1 Cal = J.
3.24
1.05 x 103 kg
4.37 x 103 kg kg kg kg

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