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Given that C((g))+O(2(g)) to CO(2(g)) De...

Given that `C_((g))+O_(2(g)) to CO_(2(g)) DeltaH^@=-a kJ ,
2 CO_((g)) + O_(2(g)) to 2CO_(2(g))
'DeltaH^@`=-b kJ , Calculate the `DeltaH^@` for the reaction `C_((g)) +1//2O_(2(g)) to CO_((g))`

A

`(b+2a)/(2)`

B

`2a-b`

C

`(2a-b)/(2)`

D

`(b-2a)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
`DeltaH^(@)` is equal to summation `DeltaH_("Products")- " summation "DeltaH_("reactants")`
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