Work done by $0.1$ mole of a gas at ${27^o}C$ to double its volume at constant pressure is ....... $cal$ ($R = 2 \,cal\, mol^{-1}$ $^oC^{-1}$)
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(c) $W = P\Delta V = nR\Delta T = 0.1 \times 2 \times 300 = 60\;cal$
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