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Enthalpy

Two moles of ...

Question

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

A

11.4 kJ

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B

−11.4 kJ

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C

0 kJ

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D

4.8 kJ

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Solution

The correct option is C 0 kJ
$△ H = n C_{p} △ T s o l u t i o n; s i n c e △ T = 0$

so, $△ H = 0$

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