Multiple Choice Question

Question

In an engine, fuel and oxygen chemically react and release energy. What happens to the energy NOT used by the engine?
A.
It has been destroyed.

B.
It is lost in the form of heat and sound.

C.
It remains stored in the chemical bonds of the fuel.

D.
It is converted into methane.

Answer 1

B. It is lost in the form of heat and sound.