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A system absorbs 300cal of heat , its vo...

A system absorbs `300cal` of heat , its volume doubles and temperature rises from `273` to `298 k`, the work done on the surrounding is `200 cal`. `Delta E` for the above reaction is `:`

A

`100 cal`

B

`500 cal`

C

`-500 cal`

D

`-100 cal`

Text Solution

Verified by Experts

The correct Answer is:
1
`DeltaE=q+w=300+(-200)=100cal.`
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