Two compounds are standing at the same temperature. Compound "A" is evaporating more slowly than compound "B." According to the Kinetic Molecular Theory, which assumption can be made?

Compound B has a greater average kinetic energy.
Compound A has a greater average kinetic energy.
Compound A may have a lower molecular weight.
Compound B may have a lower molecular weight.

Question

Two compounds are standing at the same temperature. Compound "A" is evaporating more slowly than compound "B." According to the Kinetic Molecular Theory, which assumption can be made?

Compound B has a greater average kinetic energy.
Compound A has a greater average kinetic energy.
Compound A may have a lower molecular weight.
Compound B may have a lower molecular weight.

anonymous · Answer

the second one??

anonymous · Answer

The answer is- Compound B may have a lower molecular weight.
But thank you for trying to help! (: