If a Sample of Nitrogen Gas in a Sealed Container

Multiple Choice

If a sample of nitrogen gas in a sealed container of fixed volume is heated from 25°C to 125°C,the value of which of the following quantities will remain constant?

A) the average speed of the molecules
B) the density of the nitrogen
C) the average intensity of a molecular collision with the walls of the container
D) the average kinetic energy of the molecules
E) the pressure of the gas