At the same temperature and pressure,which of the following will have the highest kinetic energy per mole?

$A$ certain mass of an ideal gas is heated at constant volume. Which of the following parameters of the gas will increase?

At $T$ $K$,the ratio of kinetic energies of $4$ $g$ of $H_{2(g)}$ and $8$ $g$ of $O_{2(g)}$ is

For one mole of a monoatomic gas with molar mass $M$,the root mean square velocity is $u_{rms}$. What is the relationship between $u_{rms}$ and the average kinetic energy $E$?

Liquids diffuse more slowly than gases because.....

The internal energy of one mole of an ideal gas is ............ .