Which of the following statements is not true?
A. The ratio of the mean speed to the rms speed is independent of the temperature.
B. The square of the mean speed of the molecuels is equal to the mean square speed at a certain temperature
C. Mean kinetic energy of the gas molecuels at any given temperature is independent of the mean sped.
D. The difference between rms speed and mean speed at any temperature for different gases diminishes as larger and yet larger molar masses are considered.
