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The enthalpy change for the following re...

The enthalpy change for the following reactions are:
`C_("diamond")+O_(2(g)) rarr CO_(2(g))" "DeltaH=-395.3 KJ "mol"^(-1)`
`C_("graphite")+O_(2(g)) rarr CO_(2(g)) " "DeltaH=-393.4 KJ "mol"^(-1)`
The enthalpy change for the transition
`C_("diamond")rarr C_("graphite")` will be :

A

`-3.8 KJ "mol"^(-1)`

B

`+3.8 KJ "mol"^(-1)`

C

`-1.9 KJ "mol"^(-1)`

D

`+1.9 KJ "mol"^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
C
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