Thermodynamics Question 55

Question: Two mole of an ideal gas is expanded isothermally and reversibly from 1 litre ot 10 litre at 300K . The enthalpy change (in kJ ) for the process is

[IIT JEE (Screening) 2004]

Options:

A) 11.4 kJ

B) ?11.4 kJ

C) 0 kJ

D) 4.8 kJ

Show Answer

Answer:

Correct Answer: C

Solution:

ΔH=nCpΔT The process is isothermal therefore ΔG=0 ; ΔH=0



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