The molar specific heat at constant pressure of an ideal gas is (7//2)R. The ratio specific heats at constant pressure to that at constant volume is ………. .

The molar specific heat at constant pressure of an ideal gas is (7//2)

1.	The molar specific heat at constant pressure of an ideal gas is (7//2)R. The ratio specific heats at constant pressure to that at constant volume is ………. .
Answer» `8//7` `5//7` `9//7` `7//5` SOLUTION :`C_(P)=(7)/(2)R, C_(V)=(7)/(2)R-R=(5)/(2)R, gamma=(C_(P))/(C_(V))=(7)/(5)`