1.

The DeltaH values for reactions of ,C(s) + 1/2 O_2 (g) to CO(g) DeltaH =-100 KJCO(g) + 1/2 O_2 (g) to CO_2 (g) DeltaH = 200 KJThe heat of reaction for C(s) + O_2 (g) to CO_2 (g)is

Answer»

`-300 KJ`
`-100 KJ`
`-150 KJ`
`-50 KJ`

Answer :A


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