Chapter 15 Chem

108) What percentage of the electricity produced in the world today comes from nuclear fusion? A) 0% B) 10% C) 25% D) 50%

A) 0%

73) Pure heptane would have an octane rating of A) 0. B) 50. C) 75. D) 100.

A) 0.

93) At present, what approximate percentage of electricity generated in the United States comes from nuclear energy? A) 20% B) 75% C) 5% D) 90%

A) 20%

119) The overall efficiency of biomass as a method of harvesting solar energy is approximately A) 3%. B) 10%. C) 20%. D) 40%.

A) 3%.

71) A gasoline with an octane rating of 90 would give the same performance in a standard test engine as a mixture of A) 90% isooctane and 10% heptane. B) 90% heptane and 10% isooctane. C) 90 parts isooctane and 90 parts heptane. D) 90 parts isooctane and 90 parts water.

A) 90% isooctane and 10% heptane.

47) Given the following analysis of coal samples, which is the best fuel? A) 95% C, 5% O B) 75% C, 25% O C) 50% C, 50% O D) 25% C, 75% O

A) 95% C, 5% O

75) What metal, when added as a compound, increases octane rating of gasoline? A) Pb B) Hg C) Zn D) Cu

A) Pb

58) Which of the following did NOT contribute significantly to the conversion of plant material to coal? A) There was sufficient oxygen for the cellulose in the plant materials to decay completely. B) The plant material was buried under mud and water, separating it from the atmosphere. C) The plant material was subjected to significant pressure. D) The plant material broke down and small molecules containing a lot of hydrogen and oxygen were given off.

A) There was sufficient oxygen for the cellulose in the plant materials to decay completely.

96) Control rods in a nuclear reactor are used to A) absorb neutrons and slow down fission. B) absorb neutrons and speed up fission. C) release neutrons and slow down fission. D) release neutrons and speed up fission.

A) absorb neutrons and slow down fission.

103) Which of the following is NOT a problem associated with nuclear power plants? A) air pollution B) disposal of spent nuclear fuel C) tailings from the mining of uranium ore D) thermal pollution

A) air pollution

45) The highest grade of coal is A) anthracite. B) bituminous. C) lignite. D) peat.

A) anthracite.

44) The primary element in coal is A) carbon. B) silicon. C) sulfur. D) nitrogen.

A) carbon.

53) When coal burns A) chemical energy is converted to heat energy. B) heat energy is created. C) chemical energy is destroyed. D) heat energy is converted to electrical energy.

A) chemical energy is converted to heat energy.

91) Which of the following forms of energy is the dirtiest? A) coal B) electricity C) natural gas D) petroleum

A) coal

42) The most abundant fossil fuel in the United States is A) coal. B) natural gas. C) petroleum. D) wood.

A) coal.

79) The heating of large hydrocarbon compounds with a catalyst in the absence of oxygen is called A) cracking. B) catalysis. C) reforming. D) flocculation.

A) cracking.

67) To make crude petroleum more useful, it must be A) distilled. B) filtered. C) reduced. D) washed with water.

A) distilled.

26) The second law of thermodynamics defines A) entropy. B) energy. C) heat. D) temperature.

A) entropy.

17) Which of the following is an endothermic process? A) evaporation of water B) burning of wood C) explosion of dynamite D) discharging of a battery

A) evaporation of water

31) Which of the following will have the greatest amount of entropy? A) gas B) liquid C) solid D) All have the same amount of entropy.

A) gas

30) The number of possible microstates will be greatest for a A) gas. B) liquid. C) solid. D) All will have the same number of microstates.

A) gas.

52) When coal containing sulfur is burned, the sulfur is converted to A) gaseous sulfur oxides that go up the smokestack. B) liquid sulfur oxides that stay behind as ash. C) solid sulfur oxides that stay behind as ash. D) Sulfur is converted to all of the above.

A) gaseous sulfur oxides that go up the smokestack.

65) The main components of petroleum are A) hydrocarbons. B) carbohydrates. C) fats and oils. D) ionic compounds.

A) hydrocarbons.

74) In general, a higher proportion of branched chain hydrocarbons in a gasoline formulation A) increases octane rating. B) decreases octane rating. C) burns cleaner. D) burns cooler.

A) increases octane rating.

1) The SI unit of energy is the A) joule. B) calorie. C) gram. D) watt.

A) joule.

68) The fraction from the distillation of crude petroleum that is slightly heavier than gasoline is called A) kerosene. B) heating oil. C) lubricating oil. D) asphalt.

A) kerosene.

76) Catalytic reforming is a process for converting A) low octane rated alkanes into high octane rated aromatics. B) high octane rated alkanes into low octane rated aromatics. C) low octane rated alkanes into high octane rated branched alkanes. D) high octane rated alkanes into low octane rated branched alkanes.

A) low octane rated alkanes into high octane rated aromatics.

106) Which technology is NOT used at all today for the production of electricity? A) nuclear fusion B) nuclear fission C) solar cells D) geothermal power plants

A) nuclear fusion

117) The production of biomass as an energy source is an example of the conversion of A) solar energy to chemical energy. B) solar energy to electrical energy. C) solar energy to mechanical energy. D) solar energy to kinetic energy.

A) solar energy to chemical energy.

24) Which physical state has the lowest entropy? A) solid B) liquid C) gas D) All have the same entropy.

A) solid

49) A major inconvenience of coal as a fuel is that it is a(n) A) solid. B) liquid. C) gas. D) mixture of all three states.

A) solid.

19) The statement "you can't get something for nothing" is another way of expressing A) the first law of thermodynamics. B) the second law of thermodynamics. C) Boyle's law. D) the third law of thermodynamics.

A) the first law of thermodynamics.

115) The efficiency of current solar cells is approximately A) 5%. B) 15%. C) 40%. D) 75%.

B) 15%.

3) Approximately what percentage of solar radiation is used to power the water cycle? A) 55% B) 25% C) 90% D) 10%

B) 25%

43) The United States is estimated to have approximately what percentage of the world's coal reserves? A) 10% B) 25% C) 40% D) 80%

B) 25%

2) Approximately what percentage of the total solar radiation that falls upon the earth is immediately reflected back into space? A) 60% B) 30% C) 90% D) 75%

B) 30%

126) Approximately what percentage of electricity generated in the United States is hydroelectric? A) < 1% B) 7% C) 25% D) 40%

B) 7%

36) Which one of the following is a nonfuel? A) H2 B) CCl4 C) CH4 D) C8H18

B) CCl4

62) Natural gas is mainly A) CO2. B) CH4. C) SO2. D) CO and H2.

B) CH4.

56) Which of the following is NOT a disadvantage of using coal as a fuel source? A) SO2 is released and contributes to air pollution. B) Coal is the least abundant of the fossil fuels. C) Strip mining is devastating to the environment. D) The cost of transporting coal to power plants or factories is high.

B) Coal is the least abundant of the fossil fuels.

94) Which country leads in percentage of electricity produced by nuclear energy? A) Australia B) France C) Japan D) United States

B) France

124) Which of the following is NOT an advantage of using hydrogen as a fuel for cars? A) Water vapor is the only exhaust, so air pollution is not produced. B) Liquid hydrogen must be stored at very low temperatures. C) Hydrogen could reduce our reliance on foreign oil. D) Hydrogen can be made from renewable resources.

B) Liquid hydrogen must be stored at very low temperatures.

95) Electricity produced from nuclear power is especially important in which part of the United States? A) Southwest B) New England and the Upper Midwest C) West D) Plains

B) New England and the Upper Midwest

104) Which of the following statements about plutonium and breeder reactors is correct? A) Plutonium has a high melting point, so the core would not melt if the cooling system failed. B) Plutonium is relatively easy to separate from uranium because they are chemically different. C) Plutonium is a beta emitter. D) Fissile uranium-235 is used to produce fissile plutonium-239.

B) Plutonium is relatively easy to separate from uranium because they are chemically different.

118) Biomass may be burned directly or chemically converted to a more convenient form (liquid or gas). Which of the following statements is true? A) The conversion of biomass to a more convenient form improves the overall efficiency of the energy conversion. B) The conversion of biomass to a more convenient form decreases the overall efficiency of the energy conversion. C) The conversion of biomass to a more convenient form does not affect the overall efficiency. Energy is conserved! D) All of the above statements are false.

B) The conversion of biomass to a more convenient form decreases the overall efficiency of the energy conversion.

131) Which of the following statements about using ocean energy to generate electricity is NOT true? A) Water will drive a turbine to generate electricity when it flows out of a reservoir at low tide. B) Water will drive a turbine to generate electricity when it flows out of a reservoir at high tide. C) The difference in temperature between surface water and the ocean depths can be used to evaporate a liquid to a vapor that drives a turbine. D) All of the above statements are true.

B) Water will drive a turbine to generate electricity when it flows out of a reservoir at high tide.

10) Which of the following situations would be an example of kinetic energy? A) a compressed spring B) a nuclear explosion C) a tank of gasoline D) a batter waiting for the ball to be pitched

B) a nuclear explosion

102) Breeder reactors allow for the use of A) abundant and naturally occurring U-235 as a nuclear fuel. B) abundant and naturally occurring U-238 as a nuclear fuel. C) abundant and naturally occurring Pu-238 as a nuclear fuel. D) Breeder reactors allow for none of the above.

B) abundant and naturally occurring U-238 as a nuclear fuel.

130) Geothermal energy cannot meet all of our energy needs because A) the earth is not hot enough. B) access to geothermal energy is limited to certain regions. C) geothermal energy is intermittent. D) geothermal sources do not have enough energy to generate electricity.

B) access to geothermal energy is limited to certain regions.

85) When petroleum is separated in a distillation tower, the fraction that does not vaporize is A) petroleum jelly. B) asphalt. C) lubricants. D) heating oil.

B) asphalt.

69) The yield of gasoline from crude petroleum can be increased by A) catalytic cracking of lighter fractions. B) catalytic cracking of heavier fractions. C) simple distillation. D) vacuum distillation.

B) catalytic cracking of heavier fractions.

54) When coal is heated in the absence of air, the solid left behind is called A) coal. B) coke. C) coal tar. D) carbon.

B) coke.

18) The first law of thermodynamics is sometimes called the law of A) conservation of mass. B) conservation of energy. C) creation of energy. D) destruction of energy.

B) conservation of energy.

105) The principal fuel(s) for nuclear fusion would be A) uranium-235 and uranium-238. B) deuterium and tritium (2H and 3H). C) plutonium-238. D) water.

B) deuterium and tritium (2H and 3H).

87) For most uses, the most convenient form of energy is A) chemical. B) electrical. C) mechanical. D) solar.

B) electrical.

90) Which of the following forms of energy is the most convenient? A) coal B) electricity C) natural gas D) petroleum

B) electricity

41) A substance that burns readily and releases significant amounts of energy is a(n) A) reducing agent. B) fuel. C) endotherm. D) catalyst.

B) fuel.

28) In any conversion of energy from one form to another, some of the energy ends up as A) entropy. B) heat. C) electricity. D) radioactivity.

B) heat.

89) Liquefaction of coal produces a fuel that A) increases the energy content of the coal. B) is more conveniently transported. C) contains less hydrogen than coal. D) is mainly methanol.

B) is more conveniently transported.

84) The number of hydrocarbons that make up the mixture called gasoline is A) less than 100. B) less than 1000. C) more than 2000. D) more than 1,000,000.

B) less than 1000.

60) The major component of natural gas is A) hexane. B) methane. C) pentane. D) ethane.

B) methane.

113) If very pure silicon is doped with a small amount of arsenic, the resulting crystal is called a A) solar cell. B) n-type semiconductor C) p-type semiconductor D) battery.

B) n-type semiconductor

134) Hydraulic facturing (fracking) is widely used to produce A) coal. B) natural gas. C) pure water. D) petroleum.

B) natural gas.

63) Natural gas burns with a relatively clean flame. Which of the following potential pollutants is produced in significant quantities during the combustion of natural gas in air? A) sulfur oxides B) nitrogen oxides C) metal oxides D) All of the above are produced in significant quantities.

B) nitrogen oxides

101) A breeder reactor converts A) nonfissionable U-238 to fissionable U-235. B) nonfissionable U-238 to fissionable Pu-239. C) fissionable U-235 to fissionable U-238. D) fissionable U-235 to fissionable Pu-239.

B) nonfissionable U-238 to fissionable Pu-239.

99) Tailings are the name for A) radioactive waste from spent nuclear fuel. B) radioactive waste produced during the mining of uranium. C) radioactive coolant water. D) radioactive ash from coal fired power plants.

B) radioactive waste produced during the mining of uranium.

34) Fuels are ________ forms of matter. A) oxidized B) reduced C) acidic D) basic

B) reduced

37) Fuels are A) oxidized forms of matter. B) reduced forms of matter. C) capable of being reduced. D) either oxidized or reduced forms of matter.

B) reduced forms of matter.

13) The decomposition of 2 mol of water to hydrogen and oxygen requires 137 kcal of energy. The reaction of hydrogen and oxygen to form 2 mol of water A) requires 137 kcal. B) releases 137 kcal. C) requires more than 137 kcal. D) releases more than 137 kcal.

B) releases 137 kcal.

22) The fact that a refrigerator requires energy to move heat from a colder object (the inside of the refrigerator) to a hotter object (the outside of the refrigerator) is a real life observation of which law of thermodynamics? A) first law B) second law C) third law D) fourth law

B) second law

20) Another name for the first law of thermodynamics is A) the law of conservation of matter. B) the law of conservation of energy. C) the periodic law of the elements. D) the law of universal gravitation.

B) the law of conservation of energy.

21) The fact that a heat pump requires energy to move heat from a colder object (the outside of a house) to a hotter object (the inside of the house) is a real life observation of which thermodynamic law? A) the first law B) the second law C) the third law D) the fourth law

B) the second law

29) The inevitable energy lost as heat in the generation of electrical energy in the most efficient fossil fuel based power plant is a result of A) the first law of thermodynamics. B) the second law of thermodynamics. C) a poor understanding of energy conversion. D) designed inefficiencies to increase costs to the consumer.

B) the second law of thermodynamics.

123) One of the advantages of hydrogen fuel cells as an energy source for space travel is that A) hydrogen is easily generated in space. B) the water produced by the cell can be used for other purposes. C) fuel cells are not limited by second law problems. D) fuel cells produce more energy in the vacuum of space.

B) the water produced by the cell can be used for other purposes.

32) Perhaps the first mechanical device used to convert energy into a more useful form was the A) steam engine. B) waterwheel. C) windmill. D) nuclear reactor.

B) waterwheel.

6) A watt is A) 1 s/joule. B) 1 cal/s. C) 1 joule/s. D) 1 s/cal.

C) 1 joule/s.

15) Burning one mole of propane according to the following reaction: C3H8(g) + 5 O2(g) → 3 CO2 + 4 H2O liberates 526 kcal of energy. If all of the coefficients are tripled, how much energy will be released? A) 526 kcal B) 1052 kcal C) 1578 kcal D) 175.3 kcal

C) 1578 kcal

133) During the last 25 years, American industry has reduced its consumption of energy per product by nearly A) 5%. B) 15%. C) 30%. D) 50%.

C) 30%.

50) Approximately what percentage of U.S. electricity is generated by the burning of coal? A) 10% B) 30% C) 50% D) 80%

C) 50%

5) When the overall equation for the photosynthesis process is written and balanced, how many molecules of water are required to make one glucose molecule, C6H12O6? A) 1 B) 3 C) 6 D) 12

C) 6

88) Approximately what percentage of the chemical energy of a fossil fuel electrical power plant is "lost" as heat energy? A) 20% B) 40% C) 60% D) 80%

C) 60%

27) Which of the following does NOT result in an increase in entropy? A) Water boils. B) A child scatters her toys around the room. C) A student cleans his dorm room. D) All of the above result in increased entropy.

C) A student cleans his dorm room.

38) Which of the following is a fuel? A) HCl B) H2O C) C D) CO2

C) C

92) The conversion of coal to gas results in the production of synthesis gas. Synthesis gas is a mixture of A) C and H2O B) CH4 and H2O C) CO and H2 D) CH4 and H2

C) CO and H2

127) The location of most of the hydroelectric power in the United States is in the A) Northeast. B) Southeast. C) Northwest. D) Midwest.

C) Northwest.

86) The EROEI for ethanol has been estimated to be between 1.67:1 to 0.78:1. Which of the following is NOT a reason for the low ethanol EROEI values? A) Ethanol has a lower fuel content than petroleum fuels. B) Large amounts of energy are required to distill the ethanol after it is formed. C) Some ethanol is changed to methane (CH4) during the distillation process, so less ethanol is recovered. D) All of these are reasons for low ethanol EROEI values.

C) Some ethanol is changed to methane (CH4) during the distillation process, so less ethanol is recovered.

8) The thin film of air, water, and soil in which all life exists is only about 15 km thick and is called the A) atmosphere. B) stratosphere. C) biosphere. D) hemisphere.

C) biosphere.

55) When coal is heated in the absence of air, the condensed vapor collected during the heating is called A) coal. B) coke. C) coal tar. D) carbon.

C) coal tar.

57) Coal can be cleaned before it is burned. The flotation method separates coal from its major impurities by taking advantage of the difference in ________ of these materials. A) acidity B) combustion C) density D) volatility

C) density

9) All of the following examples are classified as potential energy EXCEPT A) energy stored by position. B) energy in nuclear particles. C) energy of a moving object. D) energy in chemical bonds.

C) energy of a moving object.

25) Which physical state has the greatest entropy? A) solid B) liquid C) gas D) All have the same entropy.

C) gas

125) Which of the following is NOT powered by the sun? A) the water cycle B) the winds C) geothermal energy D) biomass production

C) geothermal energy

51) When coal is burned, mineral impurities are converted to A) sulfur dioxide gas that goes up the smokestack. B) carbon dioxide and water. C) metal oxide solids that remain behind as ash. D) All of the above are products of burning coal.

C) metal oxide solids that remain behind as ash.

66) Recent evidence indicates that petroleum is derived from A) plants. B) microscopic land animals. C) microscopic marine animals. D) decomposition of volcanic ash.

C) microscopic marine animals.

114) If very pure silicon is doped with a small amount of boron, the resulting crystal is called a(n) A) solar cell. B) n-type semiconductor C) p-type semiconductor D) battery.

C) p-type semiconductor

129) The internal heat from the earth is due to A) absorbed solar radiation from the land. B) absorbed solar radiation from the oceans. C) radioactivity and gravitation forces in the earth's mantle and core. D) mysterious processes not well understood.

C) radioactivity and gravitation forces in the earth's mantle and core.

111) Photovoltaic cells convert A) solar energy into chemical energy. B) solar energy into mechanical energy. C) solar energy into electrical energy. D) solar energy into heat energy.

C) solar energy into electrical energy.

61) An advantage of natural gas as a fuel is that it is A) more abundant than coal. B) easy to locate and extract. C) the cleanest of the fossil fuels. D) All of the above are advantages.

C) the cleanest of the fossil fuels.

72) Pure isooctane would have an octane rating of A) 0. B) 50. C) 75. D) 100.

D) 100.

7) How many joules of energy will a stock tank heater rated at 1500 watts use in a 24 hour period? A) 1500 B) 1500 × 24 × 60 C) 1500 × 3600 D) 1500 × 24 × 3600

D) 1500 × 24 × 3600

12) Burning 1 mol of methane in oxygen to form carbon dioxide and water produces 803 kJ of energy. How much energy is produced when 3 mol of methane is burned? A) 268 kJ B) 1205 kJ C) 803 kJ D) 2409 kJ

D) 2409 kJ

135) Consider the following EROEI values for different fuel processes. Which would result in the greatest increase in CO2 emissions? A) 20:1 B) 10:1 C) 4:1 D) 2:1

D) 2:1

82) Which of the following products is NOT made from petroleum? A) industrial organic solvents B) detergents C) plastics D) All of the above are made from petroleum.

D) All of the above are made from petroleum.

16) According to kinetic-molecular theory, reactions occur more rapidly at higher temperatures because A) molecules move faster at higher temperatures. B) molecules collide more frequently at higher temperatures. C) molecules have more energy at higher temperatures. D) All of the above are true.

D) All of the above are true.

14) Which of the following will cause the rate of a chemical reaction to speed up? A) raising the temperature B) increasing the concentration of reactants C) adding a catalyst D) All of these will speed up the rate of a reaction.

D) All of these will speed up the rate of a reaction.

128) Which of the following alternative energy sources is not intermittent and does not require energy storage? A) solar cells B) windmills C) tides D) None of the above is intermittent and requires energy storage.

D) None of the above is intermittent and requires energy storage.

109) Which of the following statements best describes the status of nuclear fusion as an energy source? A) Nuclear fusion generates some electrical power today. B) Nuclear fusion will be a viable source of energy by the year 2010. C) Nuclear fusion will solve all of our energy problems in the 21st century. D) Nuclear fusion may help solve our energy problems in the future.

D) Nuclear fusion may help solve our energy problems in the future.

11) Which of the following is a product of photosynthesis? A) CO2 B) H2O C) H2S D) O2

D) O2

116) The use of biomass as a solution to all energy needs is limited by A) a lack of appropriate plants. B) a lack of technology to process and burn biomass. C) the nonrenewability of biomass. D) a shortage of land to grow plants for energy consumption.

D) a shortage of land to grow plants for energy consumption.

120) The most energy efficient method for converting biomass into useful energy is to A) ferment sugars and starches from plants to form ethanol, which can be burned. B) distill wood in the absence of air to form methanol, which can be burned. C) use bacteria to break down plant material to produce methane. D) burn the plant material directly.

D) burn the plant material directly.

4) The solar energy absorbing molecules of plants that power photosynthesis are called A) carbohydrates. B) photovoltaics. C) solarases. D) chlorophylls.

D) chlorophylls.

70) Gasoline is a A) compound. B) pure substance. C) simple mixture of C5 - C12 hydrocarbons. D) complex mixture of C5 - C12 hydrocarbons.

D) complex mixture of C5 - C12 hydrocarbons.

64) Petroleum is best described as a(n) A) pure substance. B) compound. C) simple mixture. D) complex mixture.

D) complex mixture.

122) A fuel cell is an electrochemical device that A) produces fuels from water. B) burns gasoline to produce heat. C) converts coal to a gas. D) converts chemical energy directly to electrical energy.

D) converts chemical energy directly to electrical energy.

23) Recycling of aluminum beverage cans is an example of the fact that A) increasing entropy is a spontaneous process. B) increasing entropy is a nonspontaneous process. C) decreasing entropy is a spontaneous process. D) decreasing entropy is a nonspontaneous process.

D) decreasing entropy is a nonspontaneous process.

81) The major components of petroleum is/are A) benzene. B) water. C) organic compounds of sulfur. D) hydrocarbons.

D) hydrocarbons.

100) You cannot make a bomb from reactor grade uranium because it A) is not radioactive enough. B) is too well guarded. C) would explode prematurely. D) is not enriched enough in uranium-235.

D) is not enriched enough in uranium-235.

121) Hydrogen gas has been proposed as a fuel of the future because A) it can be obtained cheaply by drilling. B) it can be extracted from seawater with no energy expenditure. C) it is nonflammable. D) it burns to produce water.

D) it burns to produce water.

80) Which of the following petroleum fractions has the highest boiling point? A) fuel oil B) gasoline C) heating oil D) lubricants

D) lubricants

136) Hydraulic facturing (fracking) is widely used to produce natural gas. Which of the following is released into the atmosphere in significant amounts during this process? A) carbon monoxide B) hexane C) isooctane D) methane

D) methane

77) A compound that replaced tetraethyllead as an octane booster is A) benzene. B) heptane. C) isooctane. D) methyl tert-butyl ether.

D) methyl tert-butyl ether.

83) The petroleum fraction that has the lowest boiling point is A) gasoline. B) kerosene. C) heating oil. D) natural gas.

D) natural gas.

48) Most of the coal that exists today was formed ________ years ago. A) 100 B) 1000 C) 1 million D) over 100 million

D) over 100 million

110) One of the major difficulties in developing nuclear fusion as a possible source of continuous energy is that temperatures of ________ are needed to initiate fusion reactions. A) 0 K B) 300°C C) 5000°C D) over 50,000,000°C

D) over 50,000,000°C

40) Approximately what percentage of the energy used to support our current lifestyle comes from fossil fuels? A) 50% B) 35% C) 15% D) over 85%

D) over 85%

59) Which of the following forms of coal has the lowest fuel content? A) anthracite B) bituminous C) lignite D) peat

D) peat

46) The lowest grade of coal is A) anthracite. B) bituminous. C) lignite. D) peat.

D) peat.

107) The state of matter characterized by atomic nuclei and free electrons is called a A) gas. B) liquid. C) solid. D) plasma.

D) plasma.

112) Most solar cells are composed primarily of A) arsenic. B) boron. C) carbon. D) silicon.

D) silicon.

78) Which substance is most effective in raising the octane rating of gasoline? A) benzene B) ethanol C) methyl tert-butyl ether D) tetraethyllead

D) tetraethyllead

98) Which problem do all electric power plants have in common? A) excess capacity B) release of radioactivity C) sulfur dioxide emission D) thermal pollution

D) thermal pollution

97) Given the potential benefits and risks associated with nuclear power, the desirability quotient for electrical generation by nuclear power is probably best described as A) low. B) moderate. C) high. D) uncertain.

D) uncertain.

132) The fastest growing energy source in the United states is A) biomass. B) geothermal. C) hydroelectric power. D) wind power.

D) wind power.

35) Which of the following is NOT a fossil fuel? A) coal B) natural gas C) petroleum D) wood

D) wood

33) The first fuel was A) coal. B) petroleum. C) blubber. D) wood.

D) wood.

39) Prior to the middle of the 1700s, the major fuel used was A) coal. B) natural gas. C) petroleum. D) wood.

D) wood.