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One mole of an ideal monoatomic gas requ...

One mole of an ideal monoatomic gas requires 207 J heat to raise the temperature by 10 K when heated at constant pressure. If the same gas is heated at constant volume to raise the temperature by the same 10 K, the heat required is [Given the gas constant R = 8.3 J/ mol. K]

A

96.6 J

B

124 J

C

198.8 J

D

215.4 J

Text Solution

Verified by Experts

The correct Answer is:
B
`n=1,dQ_(P)=207J,DeltaT=10K`
`dQ_(P)=dQ_(V)+dw`
`dQ_(V)=dQ_(P)-dw`
`=207-nRdT`
`207-1xx8.3xx10`
`=207-83`
`=124J`.
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