How many times volume of diatomic gas should be expanded reversibly and adiabatically in order to reduce it's RMS velocity to half.

How many times a diatomic gas should be expanded adiabatically so as to reduce the root mean square velocity to half. :

How many times a diatomic gas should be expanded adiabatically so as to reduce the root mean square velocity to half. :

How many times a diatomic gas should be expanded adiabatically so as to reduce the root mean square velocity to half. :

A monatomic gas is expanded adiabatically and due to expansion volume becomes 8 times, then

A monatomic gas is expanded adiabatically and due to expansion volume becomes 8 times, then

A gas is allowed to expand reversibly under adiabatic conditions. What is zero for such a process ?

A gas is allowed to expand reversibly under adiabatic conditions. What is zero for such a process ?

1 mole of an ideal gas at 25^(@) C is subjected to expand reversibly and adiabatically to ten times of its initial volume. Calculate the change in entropy during expansion (in J K^(-1) mol^(-1) )