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From the thermochemical reactions, C((...

From the thermochemical reactions,
`C_(("graphite"))+(1)/(2)O_(2)toCO,DeltaH=-110.5kJ`
`CO+(1)/(2)O_(2)toCO_(2),DeltaH=-283.2kJ`
the heat of reaction of `C_(("graphite"))+O_(2)toCO_(2)` is:

A

`+393.7kJ`

B

`-393.7kJ`

C

`-172.7kJ`

D

`+172.7kJ`

Text Solution

Verified by Experts

The correct Answer is:
B
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