A mixture of light and heavy molecules make up a sample of gas. The temperature of the gas is constant, which means all the molecules have the same average
A)speed.
B)kinetic energy.
C)both
D)none of the above

Question

Quizplus · Accepted Answer

At constant temperature, all molecules in a gas have the same average kinetic energy, regardless of their mass. However, lighter molecules will move faster than heavier ones to maintain this equal kinetic energy.

A Mixture of Light and Heavy Molecules Make Up a Sample