Two moles of an ideal gas is expanded is...

Two moles of an ideal gas is expanded isothermally and reversibly from 2 litre to 20 litre at 300 K. The enthalpy change (in kJ) for the process is

A

11.4

B

`-11.4` kJ

C

0 kJ

D

4.8 kJ

Verified by Experts

The correct Answer is:

C

`DeltaH=nCpDeltaT`
The process is isothermal therefore
`DeltaG=0 , therefore DeltaH=0`.

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