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

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2.303×298×0.082 log 2

−298×107×8.314×2.303log 2

−2.303×298×0.082 log 0.5

2.303×298×2log 2

answer is B.

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Detailed Solution

Wrev=−2.303nRT logV2V1=−2.303×1×0.0821×298 log 2010=−2.303×0.0821×298×log 2 Latm or Wrev=−2.303×8.314×298×log 2J=−2.303×8.314×107×298×log 2 erg

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