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One mole of a gas is heated at constant pressure to raise its temperature by `1^(@)C`. The work done in joules is

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One mole of a gas is heated at constant pressure to raise its temperature by `1^(@)C`. The work done in joules is
A. `-4.3`
B. `-8.314`
C. `-16.62`
D. unpredictable
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1 Answer

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Correct Answer - B
`w=-nRTDeltaT` or `w=-PDeltaV`
`=-1xx8.314xx1=-P((nRT_(2))/(P)-(nRT_(1))/(P))`
`=-8.314J`
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