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Earn 100

What is the work done by 0.2 mole of a gas at room temperature to double its volume during isobaric process? (Take R=2 cal mol-1C-1)

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Important Questions on Thermodynamics

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The value of η may lie between
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If a Carnot engine works between 127°C and 527°C, then its efficiency is
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If the temperature of sink is at absolute zero, then the efficiency of Carnot engine will be
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A Carnot engine whose sink is at 300 K has an efficiency of 50%. By how much should the temperature of source be increased so as the efficiency becomes 70% ?
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A Carnot engine takes 6000 cal of heat from a reservoir at 627°C and gives it to a sink at 27°C. The work done by the engine is
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A process can be reversible if
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In practice, all heat engines have efficiency less than that of a Carnot engine because
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A Carnot cycle consists of