1)

The work done in ergs for the reversible expansion of one mole of an ideal gas from a volume of 10 litres to 20 litres at 25ºC is


A) 2.303 x 298 x 0.082 log2

B) 298 x $10^{7}$ x 8.31 x 2.303 log2

C) 2.303x298x 0.082 log0.5

D) 8.3 1 x $10^{7}$ x 298 - 2.303 log 0.5

Answer:

Option B

Explanation:

W = 2.303nRTlog$\frac{v_{2}}{v_{1}}$

=2.303 x 1 x 8 .314 x $10^{7}$ x298 log$\frac{20}{10}$

= 298 x $10^{7}$ x 8.31 x 2.303 log2