11
AssignmentMultiple Select

Lab: Enthalpy

Question 11 • Foothill-B Period-Chemistry-26/27B

Many fuels, such as gasoline and diesel fuel, are hydrocarbons. Hydrocarbons are molecules that contain only hydrogen and carbon. Choose all of the criteria below that would make a hydrocarbon a good fuel in terms of enthalpy. Hydrocarbons burn to absorb a large amount of energy.Burning hydrocarbons produces a lot of energy.Breaking carbon-hydrogen and carbon-carbon bonds gives off energy.The enthalpy of combustion is a large negative value.

Answer
A
Hydrocarbons burn to absorb a large amount of energy.
B
Burning hydrocarbons produces a lot of energy.
C
Breaking carbon-hydrogen and carbon-carbon bonds gives off energy.
D
The enthalpy of combustion is a large negative value.
Previous
Next