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Question
The work done in erg for the reversible expansion of 1 mole of an ideal gas from a volume of 10 litres to 20 litres at 25oC is
The work done in erg for the reversible expansion of 1 mole of an ideal gas from a volume of 10 litres to 20 litres at 25oC is
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Solution
The correct option is B −298×107×8.314×2.303 log 2
for isothermal process,
Wrev=−2.303 nRT logV2V1
=−2.303×1×0.0821×298 log 2010
=−2.303×0.0821×298×log 2 L atm
or Wrev=−2.303×8.314×298×log 2 J
=−2.303×8.314×107×298×log 2 erg
for isothermal process,
Wrev=−2.303 nRT logV2V1
=−2.303×1×0.0821×298 log 2010
=−2.303×0.0821×298×log 2 L atm
or Wrev=−2.303×8.314×298×log 2 J
=−2.303×8.314×107×298×log 2 erg
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