question_answer

2 mol of an ideal gas at \[{{25}^{o}}C\]is subgeeted to emp and isothermally and reversibly 10 times of its initial volume. Then find out entropy change of enpansion.

A)  \[9.2\text{ }cal/k\]           

B) \[~8.2\text{ }cal/k\]

C)  \[7.2\text{ }cal/k\]           

D) \[10.2\text{ }cal/k\]