4 moles of a gas are heated from 25∘C to 125∘C. Find work done by the gas during heating. (R=8.3J/mol K)
A
3000 Joules
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B
4250 Joules
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C
2760 Joules
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D
3320 Joules
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Solution
The correct option is D 3320 Joules W=∫PdV For isobaric process, W=P∫dV=PΔV PΔV=nRΔT from ideal gas equation. Now plugging the values from question, PΔV=4×8.3×(100) W=3320Joules