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

The molar specific heat at constant pressure ofan ideal gas is 7/2R.Th

1.	The molar specific heat at constant pressure ofan ideal gas is 7/2R.The ratio of specific heat at constant pressure to that at constant volume is ……….
Answer» `8/7` `5/7` `9/7` `7/5` SOLUTION :`C_P=7/2R` `C_P-C_V=R` `7/2R-C_V=R` `THEREFORE 7/2R-R=C_V` `therefore C_V=5/2R` `therefore C_P/C_V=(7/2R)/(5/2R)=7/5`