5-39 Show that for a monoatomic ideal gas undergoing an isentropic process from state 1 to state 2 that \frac{T_{2}}{T_{1}}=\left(\frac{V_{1}}{V_{2}}\right)^{\gamma-1} where the specific heat ratio is /=,1C Hint: for a

monoatomic ideal gas , =3R/2