Question

Find the work done by a gas when it expands isothermally at ${37}^{\circ }C$ to four times its initial volume.

• A. 3753J
• B. 3573J
• C. 7533J
• D. 5375J

Answer 1

The correct option is B 3573J

work done by a gas in expanding isothermally

$W=\eta RT$ ln $\frac{V_2}{V_1}$

$V_2=4V_1$

$W=\eta RT$ ln4

= $1\times 8.314\times 310$ ln4

= 3572.9519 J

W = 3573 J