One mole of an ideal gas at 300 K is expanded isothermally from an initial volume of 1 litre to 10 litres. ∆E for this process is R=2cal mol-1 K-1

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163.7 cal

zero

138.1 cal

9 L atm

answer is B.

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Detailed Solution

For isothermal process ∆E=0 because ∆T=0

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