If Cp and Cv are molar heats at constant...

If `C_p` and `C_v` are molar heats at constant pressure and constant volume respectively and R is gas constant for 1 mole, then the correct relation is

`C_p-C_v =R`

`C_p-C_v it R`

`C_p - C_v gt R`

`C_p -C_v =0`

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