Chemistry in Context Applying Chemistry to Society 9Th Edition -Test Bank

Chemistry in Context Applying Chemistry to Society 9Th Edition -Test Bank

 

Instant Download – Complete Test Bank With Answers

 

 

Sample Questions Are Posted Below

 

Chapter 05

Test Bank: Energy from Combustion

 

1. A calorie is defined as exactly 4.184 J. Therefore 1.000 Cal is exactly
2. 41.84 J.
3. 418.4 J.
4. 1000 J.
5. D. 4184 J.

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Bloom’s Level: 2. Understand

Chapter: 05

Section: 05.04

Subtopic: Units of Energy

Topic: Energy

Feedback: Remember that a Cal is 1000 cal.

2. The heat of combustion of ethane, C₂H₆, is 1560 kJ/mol. What is the heat of combustion of ethane, in kJ per gram?
3. A.9 kJ/g
4. 195 kJ/g
5. 4.69 ´ 10⁴ kJ/g
6. 9.39 ´ 10²⁶ kJ/g

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Bloom’s Level: 3. Apply

Chapter: 05

Section: 05.05

Subtopic: Energy

Topic: Energy

Feedback: Remember that you need to use the periodic table to get the mass of ethane in g/mole.

3. The heat of combustion of methane, CH₄, is 50.1 kJ/g. How much heat would be generated if 1.00 mol of methane undergoes complete combustion?
4. 0.32 kJ
5. 3.12 kJ
6. 601 kJ
7. D. 804 kJ

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Bloom’s Level: 3. Apply

Chapter: 05

Section: 05.05

Subtopic: Energy

Topic: Energy

Feedback: Remember that one mole of methane has a mass of 16 g.

4. The energy that flows from a warmer body to a colder body is called
5. A.
6. temperature.
7. potential.
8. work.

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Bloom’s Level: 1. Remember

Chapter: 05

Section: 05.03

Subtopic: Energy

Topic: Energy

Feedback: Remember that temperature tells about direction of heat flow.

5. The property of matter that determines the direction of heat flow is the
6. mass.
7. B.
8. volume.
9. density.

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Bloom’s Level: 1. Remember

Chapter: 05

Section: 05.03

Subtopic: Energy

Topic: Energy

Feedback: Only one of these can be used to determine information about thermal energy.

6. The energy equivalent of a certain cheeseburger is approximately 525 Cal. Since 1 Cal is 4.184 kJ this corresponds to
7. 1.25 kJ.
8. 125 kJ.
9. 220 kJ.
10. D. 2200 kJ.

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Bloom’s Level: 2. Understand

Chapter: 05

Section: 05.04

Subtopic: Energy

Topic: Energy

Feedback: Remember to multiply Cal time kJ to get the answer.

7. The energy stored in the chemical bonds of fossil fuels is a form of ________ energy.
8. electrical
9. mechanical
10. C. potential
11. kinetic

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Bloom’s Level: 1. Remember

Chapter: 05

Section: 05.03

Subtopic: Energy

Topic: Energy

Feedback: Remember that kinetic energy is the energy of motion while potential energy is stored.

8. The energy of motion is called ________ energy.
9. electrical
10. mechanical
11. potential
12. D. kinetic

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Bloom’s Level: 1. Remember

Chapter: 05

Section: 05.03

Subtopic: Energy

Topic: Energy

Feedback: Remember that potential energy is stored while this type of energy is for motion of anything.

9. The first law of thermodynamics states that
10. energy is the capacity to do work.
11. doing work is defined as causing movement against a resisting force.
12. heat flows from a warmer body to a cooler body.
13. D. energy is neither created nor destroyed.

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Bloom’s Level: 1. Remember

Chapter: 05

Section: 05.04

Subtopic: Energy

Topic: Energy

Feedback: This could also be called “conservation of energy.”

10. The conclusion that it is impossible to completely convert heat into work without making other changes in the universe is
11. based on erroneous observations.
12. the concept that increasing entropy characterizes all changes in the universe.
13. another way of stating that all energy is either thermal energy or heat.
14. the second law of thermodynamics.
15. E. the concept that increasing entropy characterizes all changes in the universe and the second law of thermodynamics.

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Bloom’s Level: 1. Remember

Chapter: 05

Section: 05.07

Subtopic: Energy

Topic: Energy

11. In an exothermic chemical reaction
12. the mass of the products is greater than the mass of the reactants.
13. the mass of the products is less than the mass of the reactants.
14. C. heat is released as the reaction proceeds.
15. heat is absorbed as the reaction proceeds.

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Bloom’s Level: 1. Remember

Chapter: 05

Section: 05.04

Subtopic: Energy

Topic: Energy

Feedback: Remember the exo- means “out of.”

12. A chemical reaction accompanied by a release of energy is called a/an ________ reaction.
13. endothermic
14. catalyzed
15. C. exothermic
16. fast

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Bloom’s Level: 1. Remember

Chapter: 05

Section: 05.05

Subtopic: Energy

Topic: Energy

Feedback: Remember that the energy exits the system.

13. The energy needed to initiate a chemical reaction is called the
14. heat of combustion.
15. bond energy.
16. C. activation energy.
17. renewable energy.

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Bloom’s Level: 1. Remember

Chapter: 05

Section: 05.05

Subtopic: Energy

Topic: Energy

Feedback: This is the energy necessary to start or activate a reaction.

14. Any chemical or physical change that absorbs energy
15. has high activation energy.
16. B. is an endothermic process.
17. is an exothermic process.
18. is a catalyzed process.

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Bloom’s Level: 1. Remember

Chapter: 05

Section: 05.04

Subtopic: Energy

Topic: Energy

Feedback: Remember that endo- means into the system.

15. How is heat energy used to generate electricity in a modern power plant?
16. Heat warms wires causing electrons to move through them more rapidly
17. B. Heat boils water to make steam, which drives a turbine
18. Heat warms the fins on a turbine, causing them to spin
19. Heat generates strong magnetic fields through which the wires of a turbine move

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Bloom’s Level: 2. Understand

Chapter: 05

Section: 05.06

Subtopic: Energy

Topic: Energy

Feedback: Remember that water is useful to absorb large amounts of heat energy.

16. The measure of how much energy is dispersed in a given process is called the
17. A.
18. activation energy.
19. heat of combustion.
20. potential energy.

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Bloom’s Level: 1. Remember

Chapter: 05

Section: 05.07

Subtopic: Energy

Topic: Energy

Feedback: Remember that this is the small amount of energy that is lost and never allows any system to be 100 percent efficient.

17. In which example is the entropy of the initial state greater than the entropy of the final state?
18. A building collapses during an earthquake
19. A lump of sugar dissolves in a cup of warm water
20. C. Liquid water freezes into ice
21. Liquid water evaporates

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Bloom’s Level: 2. Understand

Chapter: 05

Section: 05.07

Subtopic: Energy

Topic: Energy

Feedback: Remember that an increase in entropy means an increase in disorder in the system.

18. In which example is the entropy of the initial state lower than the entropy of the final state?
19. A. A pot of water boils to produce water vapor at 100°C
20. Librarians put library books back onto the shelves at the end of the day
21. A raw egg heated at 100°C in boiling water becomes hard boiled
22. Soldiers are called to attention when the general enters the room

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Bloom’s Level: 2. Understand

Chapter: 05

Section: 05.07

Subtopic: Energy

Topic: Energy

Feedback: Remember that this means going to a state of more order.

19. Which is a correct statement of the second law of thermodynamics?
20. A. Entropy of the universe is constantly increasing
21. Nature allows the conversion of potential energy into kinetic energy, but not vice versa
22. Heat is the only form of energy that can be converted into work with 100 percent efficiency
23. Energy cannot be created or destroyed, but it can change form

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Bloom’s Level: 1. Remember

Chapter: 05

Section: 05.07

Subtopic: Energy

Topic: Energy

Feedback: Check your text for the definition of this important law of nature.

20. Combustion is a chemical process in which a fuel combines with ________ to release energy and form products.
21. nitrogen
22. B. oxygen
23. methane
24. hydrogen

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Bloom’s Level: 1. Remember

Chapter: 05

Section: 05.01

Subtopic: Energy

Topic: Energy

Feedback: Remember that this gas is considered a fuel for any combustion.

21. Which common process on earth is endothermic?
22. A. The production of oxygen by photosynthesis
23. The combustion of methane
24. Water freezing to form ice at 0°C
25. The reaction of wood with oxygen to form carbon dioxide, water, and ash

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Bloom’s Level: 2. Understand

Chapter: 05

Section: 05.05

Subtopic: Energy

Topic: Energy

22. The heat energy released or absorbed by a chemical reaction is generally determined by the difference between the energy that
23. must be put in to break the bonds in the reactants and the energy that must be put in to make the bonds in the products.
24. B. must be put in to break the bonds in the reactants and the energy that is released upon making the bonds in the products.
25. is released upon breaking the bonds in the reactants and the energy that must be put in to make the bonds in the products.
26. is released upon breaking the bonds in the reactants and the energy that is released upon making the bonds in the products.

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Bloom’s Level: 2. Understand

Chapter: 05

Section: 05.04

Subtopic: Energy

Topic: Energy

Feedback: Remember that making bonds releases energy while breaking them requires energy input.

23. Use the equation to help you calculate the heat of combustion of ethylene, C₂H₄. The bond energies are: CH 416 kJ/mol; CC 356 kJ/mol; CC 598 kJ/mol; OO 498 kJ/mol; CO 803 kJ/mol; H — O 467 kJ/mol.

 

 

The heat of combustion of ethylene is

1. +220 kJ/mol.
2. +1216 kJ/mol.
3. -754 kJ/mol.
4. D. -1324 kJ/mol.

Bloom’s Level: 3. Apply

Chapter: 05

Section: 05.05

Subtopic: Energy

Topic: Energy

Feedback: Remember to take the sum of energies of all bonds formed minus all bonds broken. The bonds must be broken in all the reactants and formed in all the products.

24. The following molecules contain only single bonds.

NH₃(g) + 3F₂(g) ® NF₃(g) + 3 HF(g)

The bond energies are: N — H 391 kJ/mol; F — F 158 kJ/mol; N — F 272 kJ/mol; H — F 566 kJ/mol. Which is the heat evolved or absorbed per mole of NH₃ that reacts with F₂?

1. +289 kJ/mol
2. +867 kJ/mol
3. -289kJ/mol
4. D. -867 kJ/mol

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Bloom’s Level: 3. Apply

Chapter: 05

Section: 05.05

Subtopic: Energy

Topic: Energy

Feedback: Take the sum of all bonds formed minus all bonds broken.

25. Consider the following equation that describes the complete combustion of propane, C₃H₈.

 

 

The bond energies are: CH 416 kJ/mol; CC 356 kJ/mol; OO 498 kJ/mol; CO 803 kJ/mol; HO 467 kJ/mol. Which is the total amount of energy required to break all of the bonds in propane?

1. 712 kJ/mol
2. 3328 kJ/mol
3. C. 4040 kJ/mol
4. 4396 kJ/mol

Bloom’s Level: 3. Apply

Chapter: 05

Section: 05.05

Subtopic: Energy

Topic: Energy

Feedback: Remember to take the sum of all bonds formed minus all broken. Take the stoichiometric coefficients into account.

26. Consider the following equation that describes the complete combustion of propane, C₃H₈.

 

 

The bond energies are: CH 416 kJ/mol; CC 356 kJ/mol; OO 498 kJ/mol; CO 803 kJ/mol; HO 467 kJ/mol. Which is the amount of energy gained on making all the bonds in carbon dioxide and water according to the equation?

1. -1270 kJ/mol
2. -2540 kJ/mol
3. -4277 kJ/mol
4. D. 8554 kJ/mol

 

Bloom’s Level: 3. Apply

Chapter: 05

Section: 05.05

Subtopic: Energy

Topic: Energy

Feedback: Remember to take the sum of all bonds formed minus all broken. Take the stoichiometric coefficients into account.

27. Consider the following equation that describes the complete combustion of propane.

 

 

The bond energies are: C — H 416 kJ/mol; C — C 356 kJ/mol; OO 498 kJ/mol; CO 803 kJ/mol; H — O 467 kJ/mol. Which is the net energy released on complete combustion of propane?

1. -1668 kJ/mol
2. B. -2024 kJ/mol
3. -4277 kJ/mol
4. -8554 kJ/mol

Bloom’s Level: 3. Apply

Chapter: 05

Section: 05.05

Subtopic: Energy

Topic: Energy

Feedback: Remember to take the sum of all bonds formed minus all broken. Take the stoichiometric coefficients into account.

28. Which is a fossil fuel?
29. Wood
30. Uranium
31. Ethanol
32. D. Natural gas

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Bloom’s Level: 1. Remember

Chapter: 05

Section: 05.01

Subtopic: Energy

Topic: Energy

Feedback: Remember that fossil fuels are formed of plants and animals that lived millions of years ago and now are transformed.

29. Which factor did not play a major role in the formation of fossil fuels from plant matter?
30. High temperatures
31. High pressures
32. An absence of O₂
33. D. An abundance of sunlight

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Bloom’s Level: 2. Understand

Chapter: 05

Section: 05.08

Subtopic: Energy

Topic: Energy

Feedback: Remember that fossil fuels are formed under the ground.

30. Soft lignite (brown coal) is the lowest grade of coal. Since it has undergone the least change since burial, its chemical composition—and hence its heat of combustion—is most similar to that of
31. natural gas.
32. petroleum.
33. water.
34. D.

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Bloom’s Level: 1. Remember

Chapter: 05

Section: 05.08

Subtopic: Energy

Topic: Energy

Feedback: Remember that natural gas and petroleum are high grade fuel sources.

31. Which is an advantage of using coal over petroleum as a source of energy in the United States?
32. As a solid, coal is easier to transport than a liquid such as petroleum
33. Carbon makes up a smaller proportion of coal than it does of petroleum
34. C. Coal reserves in the United States are far greater than petroleum reserves
35. Coal is the source of many more different fuels with a wide range of properties than is petroleum

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Bloom’s Level: 2. Understand

Chapter: 05

Section: 05.08

Subtopic: Energy

Topic: Energy

Feedback: Remember that we have to import much of our petroleum and not our coal.

32. In the petroleum industry, what does a refinery do?
33. A. It separates crude oil into fractions consisting of compounds with similar boiling points
34. It separates crude oil from the coal with which it is almost always found
35. It mixes natural gas or coal with crude oil in order to remove the impurities from the crude oil
36. It produces the machinery by which crude oil is removed from the ground

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Bloom’s Level: 2. Understand

Chapter: 05

Section: 05.09

Subtopic: Energy

Topic: Energy

Feedback: Remember that many different end products come from a barrel of oil.

33. Which is not a known advantage of natural gas over other fossil fuels?
34. It burns more completely than other fossil fuels
35. It burns more cleanly than other fossil fuels
36. C. It is far more abundant than any other fossil fuel
37. Sulfur dioxide is rarely produced by burning natural gas

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Bloom’s Level: 2. Understand

Chapter: 05

Section: 05.11

Subtopic: Energy

Topic: Energy

Feedback: Remember that natural gas is usually found with oil but it is made of fairly small molecules.

34. According to the graph below, the net U.S. import of petroleum drastically decreased during the years
35. 1970 to 1977.
36. 1973 to 1975.
37. C. 1977 to 1982.
38. 1985 to 1990.

 

Bloom’s Level: 2. Understand

Chapter: 05

Section: 05.10

Subtopic: Energy

Topic: Energy

Feedback: Notice the decrease of nearly 50 percent.

35. Petroleum (crude oil) is a complex mixture of thousands of substances, the majority of which are
36. carbohydrates.
37. B.
38. natural gases.
39. proteins.

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Bloom’s Level: 2. Understand

Chapter: 05

Section: 05.09

Subtopic: Energy

Topic: Energy

Feedback: Remember that oil contains compounds of varying molar masses but mostly comprised of hydrogen and carbon.

36. The process by which a solution is heated to its boiling point and the vapors are condensed and collected is known as
37. combustion.
38. cracking.
39. crystallization.
40. D.

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Bloom’s Level: 1. Remember

Chapter: 05

Section: 05.12

Subtopic: Energy

Topic: Energy

Feedback: This is a method of purifying substances that is used widely in industry.

37. Which is produced in the greatest amount from a barrel of petroleum?
38. Asphalt and road oil
39. B. Gasoline
40. Home heating oil
41. Lubricants and waxes

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Bloom’s Level: 1. Remember

Chapter: 05

Section: 05.12

Subtopic: Energy

Topic: Energy

Feedback: This is the main component used to run automobiles and trucks.

38. During petroleum refining, catalysts play an extremely important role during the
39. A. cracking and reforming processes.
40. environmental cleanup of oil wells.
41. extraction of the oil from the earth.
42. physical separation of the various components of the petroleum.

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Bloom’s Level: 1. Remember

Chapter: 05

Section: 05.10

Subtopic: Energy

Topic: Energy

Feedback: Remember that these are used at the refinery after distillation.

39. The diagram below shows a simplified version of a fractionating column used in the petroleum industry.

 

 

The position marked ________ corresponds to the cracker where large molecules are broken into smaller molecules.

1. A
2. B
3. C. C
4. D

Bloom’s Level: 2. Understand

Chapter: 05

Section: 05.12

Subtopic: Energy

Topic: Energy

Feedback: Remember that the cracker will split compounds found lower in the column into two other portions.

40. The diagram below shows a simplified version of a fractionating column used in the petroleum industry.

 

 

The compounds that are obtained at position D are

1. A.
2. gasoline.
3. jet fuel.
4. refinery gases.

Bloom’s Level: 2. Understand

Chapter: 05

Section: 05.12

Subtopic: Energy

Topic: Energy

Feedback: Remember that items with the highest boiling points will be at the bottom of the column.

41. Cracking is
42. A. the breaking of larger molecules into smaller ones.
43. the combination of small molecules to form larger molecules.
44. any reaction that is accompanied by the release of heat.
45. any reaction that is accompanied by the absorption of heat.

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Bloom’s Level: 1. Remember

Chapter: 05

Section: 05.12

Subtopic: Energy

Topic: Energy

Feedback: This is just what it sounds like, just like cracking an egg.

42. Compounds with the same chemical formulas but different molecular structures are called
43. isotopes.
44. B.
45. isobars.
46. allotropes.

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Bloom’s Level: 1. Remember

Chapter: 05

Section: 05.12

Subtopic: Energy

Topic: Energy

43. Consider these three compounds.

 

 

Which are isomers?

1. I and II only
2. II and III only
3. C. I and III only
4. I, II, and III

Bloom’s Level: 2. Understand

Chapter: 05

Section: 05.12

Subtopic: Energy

Topic: Energy

Feedback: Isomers have the exact same number of every element in each structure.

44. Consider these three compounds.

 

 

Which are isomers?

1. I and II only
2. B. I and III only
3. II and III only
4. I, II, and III

Bloom’s Level: 2. Understand

Chapter: 05

Section: 05.12

Subtopic: Energy

Topic: Energy

Feedback: Isomers have the exact same number of every element in each structure.

45. In a refinery, the components of petroleum are separated by
46. combustion reactions.
47. crystallization.
48. C. fractional distillation.
49. isomerization.

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Bloom’s Level: 1. Remember

Chapter: 05

Section: 05.12

Subtopic: Energy

Topic: Energy

Feedback: Remember this method of refining liquids in industry.

46. A gasoline’s octane rating is a measure of the
47. A. gasoline’s resistance to causing knocking in a vehicle’s engine.
48. pollutants produced by burning the gasoline in a vehicle’s engine.
49. energy content of the gasoline.
50. purity of the gasoline.

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Bloom’s Level: 1. Remember

Chapter: 05

Section: 05.13

Subtopic: Energy

Topic: Energy

Feedback: Remember that this has no effect on pollution, energy or gas mileage.

47. The burning characteristics of a gasoline can be improved by converting the octane it contains into isooctane. This conversion requires the use of expensive catalysts such as
48. biological enzymes.
49. gold and titanium.
50. C. platinum and palladium.
51. ultraviolet radiation.

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Bloom’s Level: 1. Remember

Chapter: 05

Section: 05.13

Subtopic: Energy

Topic: Energy

Feedback: Remember that group 8B elements are the best catalysts.

48. Oxygenated gasolines are blends of petroleum-derived compounds with oxygen-containing compounds. Which of the following oxygenated compounds has been discontinued in some states because of potential health risks?
49. Ethanol
50. Methanol
51. C. MTBE
52. Methane

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Bloom’s Level: 1. Remember

Chapter: 05

Section: 05.13

Subtopic: Energy

Topic: Energy

Feedback: Remember that MTBE is soluble in water and can contaminate wells.

49. Alternative energy sources are currently being researched in effort to replace our dependence on fossil fuels. Which is not a current research effort in this regard?
50. Obtaining alternative fuels from renewable sources such as garbage
51. B. Reintroducing the use of tetraethyl lead to increase the octane rating of gasoline
52. Converting coal into gaseous and liquid fuels similar to petroleum products
53. Increasing the use of farm product biomass, such as corn, to produce ethanol

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Bloom’s Level: 1. Remember

Chapter: 05

Section: 05.14

Subtopic: Energy

Topic: Energy

Feedback: Remember that lead causes brain damage.

50. The general term for plant matter such as trees, grasses, agricultural crops, or other biological material is
51. A.
52. cornstarch.
53. diesel.
54. fossil fuel.

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Bloom’s Level: 1. Remember

Chapter: 05

Section: 05.14

Subtopic: Energy

Topic: Energy

Feedback: Note the prefix bio- means living.

51. Which of these statements about biodiesel is not true?
52. Biodiesel is made from renewable resources such as vegetable oils and animal fats
53. Biodiesel is nontoxic and biodegradable
54. Biodiesel can be used in diesel engines without major modifications
55. D. Biodiesel has been withdrawn from several states due to health concerns

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Bloom’s Level: 1. Remember

Chapter: 05

Section: 05.16

Subtopic: Energy

Topic: Energy

Feedback: Remember that this is a viable alternative to petroleum diesel.

52. Advertising claims sometimes state that adding something mechanical to a car’s engine will allow it to recover 100 percent of the energy that comes from burning gasoline. You should be skeptical of such claims because they violate the
53. first law of thermodynamics.
54. B. second law of thermodynamics.
55. law of conservation of matter.
56. activation energy requirements of all chemical reactions.

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Bloom’s Level: 2. Understand

Chapter: 05

Section: 05.07

Subtopic: Energy

Topic: Energy

Feedback: Remember that no process may even be 100 percent efficient due to entropy.

53. Over the very long run, the energy source that has the greatest potential to meet humanity’s needs is
54. coal.
55. hydropower.
56. renewable biomass.
57. D. solar (the sun).

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Bloom’s Level: 2. Understand

Chapter: 05

Section: 05.14

Subtopic: Energy

Topic: Energy

Feedback: Remember that this fuels our whole natural world at present.

54. Assume that an extremely inefficient electrical utility company delivers electrical energy to your home from a natural gas-burning power plant with an overall efficiency of only 31 percent and your furnace is 85 percent efficient in converting electrical energy into heat energy. What mass of natural gas the power plant must burn if heating your home requires 3.5 ´ 10⁷ kJ? (The heat of combustion of natural gas is 50.1 kJ/g.)
55. A. 2650 kg
56. 8550 kg
57. 2250 kg
58. 10,100 kg

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Bloom’s Level: 3. Apply

Chapter: 05

Section: 05.04

Subtopic: Energy

Topic: Energy

Feedback: Feedback: You should find the energy required at 100 percent efficiency then scale up to the higher number required due to the inefficient plant. That is the number to use to convert to amount of fuel needed.

55. Calculate the amount of energy that is saved by replacing a 75-watt incandescent light bulb with an 18-watt fluorescent bulb during the 1500-hour life of the incandescent bulb. One watt is the equivalent of one joule of energy used per second.
56. A. 308,000 kJ
57. 405,000 kJ
58. 97,200 kJ
59. 27 kJ

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Bloom’s Level: 3. Apply

Chapter: 05

Section: 05.04

Subtopic: Energy

Topic: Energy

Feedback: 75 minus 18 is 57 Joules per second saved over 1500 hours. There are 3600 seconds in an hour.

56. Which of the following is not a “clean coal” technology already in use?
57. “Coal washing” to remove sulfur and other mineral impurities from the coal before it is burned
58. “Gasification” to convert coal to a mixture of carbon monoxide and hydrogen. The resulting gas burns at a lower temperature, thus reducing the generation of nitrogen oxides
59. “Wet scrubbing” to chemically remove SO₂ before it goes up the smokestack. This is accomplished by reacting the SO₂ with a mixture of ground limestone and water
60. D. “Sequestration” to capture and store CO₂ before it is emitted into the atmosphere

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Bloom’s Level: 1. Remember

Chapter: 05

Section: 05.08

Subtopic: Energy

Topic: Energy

Feedback: Remember that clean coal is about reduction of pollution not greenhouse gases.

57. Which of the following is not a drawback of using coal for energy production?
58. Mountaintop mining
59. Mercury in fly ash
60. Mining explosions
61. D. Difficult transportation due to instability

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Bloom’s Level: 1. Remember

Chapter: 05

Section: 05.08

Subtopic: Energy

Topic: Energy

Feedback: Remember that coal is stable to transport.

58. Which of the following is not a step in fractional distillation of crude oil?
59. The crude oil is pumped into a large vessel and heated
60. As the temperature increases, the compounds vaporize
61. C. Fractions are mixed with natural gas to enrich the hydrocarbon content
62. Once in the gas phase, compounds travel up the tall distillation or fractionation tower. The compounds with smaller molar masses travel higher; the compounds with larger molar masses travel shorter distances up the column

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Bloom’s Level: 1. Remember

Chapter: 05

Section: 05.12

Subtopic: Energy

Topic: Energy

Feedback: Remember that this process starts with the whole oil fraction and separates it.

59. Which of the following is a proper use for a calorimeter?
60. A. Measuring heat of combustion
61. Measuring temperature of a mixture
62. Measuring the amount of oxygen consumed in a combustion reaction
63. Measuring entropy of a reaction

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Bloom’s Level: 2. Understand

Chapter: 05

Section: 05.04

Subtopic: Energy

Topic: Energy

Feedback: Remember that these work to find temperature change that occurs due to a chemical reaction.

60. Why is the mileage a vehicle gets less when burning E85 than 100 percent gasoline?
61. It is not, they are the same
62. It is not, E85 gives better mileage per gallon burned
63. C. Ethanol has a lower heat of combustion
64. Ethanol has a higher heat of combustion

Accessibility: Keyboard Navigation

Bloom’s Level: 2. Understand

Chapter: 05

Section: 05.15

Subtopic: Energy

Topic: Energy

Feedback: Remember that it is the amount of energy that comes from the fuel that determines how much work can be done.

61. If a snack cake contains 450 food Calories and Dr. Wattenburger is able to burn 250 Calories by running for one-half an hour, how long must she run to completely burn off the snack cake?
62. A. 54 minutes
63. 18 minutes
64. 1.21 hours
65. You can’t tell

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Chapter: 05

Section: 05.04

Subtopic: Energy

Topic: Energy

Feedback: She can burn 500 Cal in an hour, but the cake is only 450 Cal.

62. Which of the following has the highest boiling point?
63. Propane
64. B. Octane
65. Methane
66. Butane

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Chapter: 05

Section: 05.12

Subtopic: Alkenes

Topic: Energy

Feedback: Remember that higher molar mass leads to higher boiling point.

Category                                                                                                                                                                 # of Questions

Accessibility: Keyboard Navigation                                                                                                                                                       53

Bloom’s Level: 1. Remember                                                                                                                                                                 30

Bloom’s Level: 2. Understand                                                                                                                                                                21

Bloom’s Level: 3. Apply                                                                                                                                                                        11

Chapter: 05                                                                                                                                                                                             62

Section: 05.01                                                                                                                                                                                         2

Section: 05.03                                                                                                                                                                                         4

Section: 05.04                                                                                                                                                                                         10

Section: 05.05                                                                                                                                                                                         10

Section: 05.06                                                                                                                                                                                         1

Section: 05.07                                                                                                                                                                                         6

Section: 05.08                                                                                                                                                                                         5

Section: 05.09                                                                                                                                                                                         2

Section: 05.10                                                                                                                                                                                         2

Section: 05.11                                                                                                                                                                                         1

Section: 05.12                                                                                                                                                                                         11

Section: 05.13                                                                                                                                                                                         3

Section: 05.14                                                                                                                                                                                         3

Section: 05.15                                                                                                                                                                                         1

Section: 05.16                                                                                                                                                                                         1

Subtopic: Alkenes                                                                                                                                                                                  1

Subtopic: Energy                                                                                                                                                                                    60

Subtopic: Units of Energy                                                                                                                                                                      1

Topic: Energy                                                                                                                                                                                         62