MCQ
Work done during isothermal expansion of one mole of $1$ mole of an ideal gas from $10$ $atm$ to $1$ atm at $300 \,K$ is.......$cal$ (Gas constant $= 2$ )
- A$938.8$
- B$1138.8$
- ✓$1381.8$
- D$1581.8$
✓
Answer
Correct option: C.
$1381.8$
(c) $ - \,W = + \,2.303\,nRT\,$ $log$ $\frac{{{p_1}}}{{{p_2}}}$
$ - \,W = 2.303 \times 1 \times 2 \times 300$ $log$ $\frac{{10}}{1}$ $ = 1381.8\,cal.$
$ - \,W = 2.303 \times 1 \times 2 \times 300$ $log$ $\frac{{10}}{1}$ $ = 1381.8\,cal.$
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