4.0 g of a gas occupies 22.4 litres at ...

4.0 g of a gas occupies 22.4 litres at NTP. The specific heat capacity of the gas at constant volume is `5.0JK^(-1)` . IF the speed of sound in this gas at NTP is 952 `ms^(-1)`, then heat capacity at constant pressure is (Take gas constant `R=8.3 JK^(-1)` mol)

`7.5 JK^(-1) mol^(-1)`

`7.0 JK^(-1) mol^(-1)`

`8.5 JK^(-1) mol^(-1)`

`8.0 JK^(-1) mol^(-1)`

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