At what temperature the mean speed of the molecules of hydrogen gas equals the speed from the earth?

At what temperature the mean speed of the molecules of hydrogen gas equals the escape speed from the earth?

At what temperature the mean speed of the molecules of hydrogen gas equals the escape speed from the earth?

At what temperature will the rms speed of molecules of nitrogen gas be twice of that at 0^@C ?

The mean speed of the molecules of a hydrogen sample equals the mean speed of the molecules of a helium sample. Calculate the ratio of the temperature of the hydrogen sample to the temperature of the helium sample.

The mean speed of the molecules of a hydrogen sample equals the mean speed of the molecules of a helium sample. Calculate the ratio of the temperature of the hydrogen sample to the temperature of the helium sample.

The mean speed of the molecules of a hydrogen sample equals the mean speed of the molecules of a helium sample. Calculate the ratio of the temperature of the hydrogen sample to the temperature of the helium sample.

The mean speed of the molecules of a hydrogen sample equals the mean speed of the molecules of a helium sample. Calculate the ratio of the temperature of the hydrogen sample to the temperature of the helium sample.

What will happen to the mean square speed of the molecules of a gas if the temperature of the gas increases ?

At what temperature in C the rms speed of gaseous hydrogen molecules equal to that of oxygen molecules at 79 C?