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5 moles of oxygen are heated at constant...

5 moles of oxygen are heated at constant volume from `10^(@)C` to `20^(@)C`. The change in internal energy of a gas.
`[C_(P)=7.03 cal mol^(-1) deg^(-1)` and `R=8.3J mol^(-1) deg^(-1)]`

A

125cal

B

252cal

C

50cal

D

500cal

Text Solution

Verified by Experts

The correct Answer is:
B
`C_(P)-C_(V)=R,q=C_(V)DeltaT`
Since `W=0DeltaU=q+W,DeltaU=q`
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