The specific heat of hydrogen gas at con...

The specific heat of hydrogen gas at constant pressure is `C_(P)=3.4xx10^(3)"cal"//kg^(@)C` and at constant volume is `C_(V)=2.4xx10^(3)"cal"//kg^(@)C`. If one kilogram hydrogen gas is heated from `10^(@)C` to `20^(@)C` at constant pressure the external work done on the gas to maintain it at cosntant pressure is

`10^(5)` cal

`10^(4)` cal

`10^(3)` cal

`5xx10^(3)` cal

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