If is the ratio of specific heats and R is the universal gas constant, then the molar specific heat at constant volume C_ V is given by

Step-by-step solution

According to Mayer's formula, C_ p -C_ V =R where, C_ p = specific heat at constant pressure, C_ V = specific heat at constant volume R= gas constant . C_ p C_ V -1= R C_ V -1= R C_ V C_ V = R -1