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Questions and Answers
What is the primary form in which energy is released when fuel undergoes combustion?
What is the primary form in which energy is released when fuel undergoes combustion?
- Light energy
- Electric power
- Heat (correct)
- Kinetic energy
What characteristic makes fuels very convenient for transportation?
What characteristic makes fuels very convenient for transportation?
- High chemical reactivity
- Low energy density
- Low chemical reactivity
- High energy density (correct)
How is the energy released from fuels in fuel cells or flow batteries?
How is the energy released from fuels in fuel cells or flow batteries?
- As light energy
- As heat
- As electric power (correct)
- As kinetic energy
Which of the following is a desirable property of a transportation fuel, according to the text?
Which of the following is a desirable property of a transportation fuel, according to the text?
Which of the following is NOT mentioned as an example of a transportation fuel in the text?
Which of the following is NOT mentioned as an example of a transportation fuel in the text?
What is the primary form in which energy is released when fuel undergoes combustion, according to the text?
What is the primary form in which energy is released when fuel undergoes combustion, according to the text?
What percentage of the atmosphere is composed of O2, according to the text?
What percentage of the atmosphere is composed of O2, according to the text?
What characteristic makes fuels very convenient for transportation, according to the text?
What characteristic makes fuels very convenient for transportation, according to the text?
Which property is desired in a transportation fuel according to the text?
Which property is desired in a transportation fuel according to the text?
What characteristic makes nitrogen a poor reactant for transportation fuels as mentioned in the text?
What characteristic makes nitrogen a poor reactant for transportation fuels as mentioned in the text?
Why should oxygen atoms be included in fuel according to the text?
Why should oxygen atoms be included in fuel according to the text?
What is the significance of having enthalpy of oxidation > 10 kJ g-1 for elements used to make fuels?
What is the significance of having enthalpy of oxidation > 10 kJ g-1 for elements used to make fuels?
Why is it preferred not to carry more than one reactant on a vehicle for transportation fuels?
Why is it preferred not to carry more than one reactant on a vehicle for transportation fuels?
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