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Which of the indicated relationship is c...

Which of the indicated relationship is correct for the following exothermic reaction carried out at constant pressure?
`CO(g) +3H_(2)(g ) rarrCH_(4)(g)+H_(2)O(g)`

A

`DeltaU = DeltaH`

B

`DeltaU gt DeltaH`

C

`w lt 0`

D

`q gt 0`

Text Solution

Verified by Experts

The correct Answer is:
B
`DeltaH=DeltaU+Deltan_(g)RT, " "Deltan_(g)=-2, " "DeltaH lt DeltaU`
`w=-Deltan_(g)RT, " "wgt 0 , " "q=-ve`
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