The number of atoms in a rigid container is increased by a factor of 2 while the temperature is held constant. The pressure:

The thermal energy of a rigid container of helium gas is halved. What happens to the temperature, in Kelvin?

A rigid container holds both hydrogen gas and nitrogen gas at 100oC. Which statement describes their rms speeds?

An object moving faster than the earth's escape velocity (about 11km/s) has enough energy to escape the pull of the earth's gravity. Which of the following gas molecules would be most likely to be moving at a speed high enough to escape the earth's atmosphere?

Two identical cylinders, A and B, contain the same type of gas at the same pressure. Cylinder A has twice as much gas as cylinder B. Which is true?