Chemical Thermodynamics Question 339

Question: One mole of an ideal gas at 300 K is expanded isothermally from an initial volume of 1 litre to 10 litres. The AE for this process is $ (R=2calmo{{l}^{-1}}{{k}^{-1}}) $

Options:

A) 163.7 cal

B) zero

C) 1381.1 cal

D) 9 lit atm

Show Answer

Answer:

Correct Answer: B

Solution:

For a finite change $ \Delta E=C_{v}\Delta T $ . For an isothermal process $ \Delta T=0 $ . Hence $ \Delta E=0 $



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