In a gaseous mixture of hydrogen and oxygen,the slower molecules on average are
A)hydrogen.
B)oxygen.
C)both the same
D)not enough information

Question

Quizplus · Accepted Answer

In a gaseous mixture, the average speed of gas molecules is inversely proportional to the square root of their mass. Oxygen has a larger mass than hydrogen, so its molecules will have a slower average speed than hydrogen molecules. Therefore, option B, oxygen, is the slower molecule on average in the mixture.

In a Gaseous Mixture of Hydrogen and Oxygen,the Slower Molecules