The entropy change accompanying the heat...

The entropy change accompanying the heating of one mole of helium gas, assuming ideal behaviour from a temperature of 300 K to a temperature of 1000 K at constant pressure.

`25.17 J K^-1 mol^-1`

`20 kJ K^-1`

`2.517 J K^-1 mol^-1`

`0.2517 J K^-1 mol^-1`

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