A) 581 J
B) 73 J
C) 146 J
D) 291 J
Correct Answer: D
Solution :
\[\mu \] = 0.5 mole; P = 1 atm \[{{T}_{1}}=20{}^\circ C;\text{ }{{T}_{2}}=90{}^\circ C\] \[W=P\left[ {{V}_{2}}-{{V}_{1}} \right]\] \[=\mu R({{T}_{2}}-{{T}_{1}})=\frac{1}{2}\times 8.31\times 70=291\,J\]
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