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For the real gases reaction 2CO(g)+O(2)(...

For the real gases reaction `2CO(g)+O_(2)(g)rarr2CO_(2)(g)` : `DeltaH=-560kJ` . In a 10 litre rigid vesel at `500K` , the initial pressure is 70 bar and after the reaction it becomes 40 bar. The change in internal energy is:

A

`-557KJ`

B

`-530KJ`

C

`-563KJ`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
At constant volume `DeltaH=DeltaU+VDeltaP`
`=-560=DeltaU+10xx(-30)xx0.1DeltaU=-530KJ`
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