1.

The DeltaH_(f)^(@) for CO_(2)(g), CO(g) and H_(2)O(g) are - 393.5, - 110.5 and - 241.8 kJ mol^(-1) respectively. The standard enthalpy change (in kJ) for the reaction CO_(2)(g)+H_(2)(g)rarrCO(g)+H_(2)O(g) is

Answer»

524.1
41.2
`- 262.5`
`- 41.2`

SOLUTION :`DeltaH=SigmaDeltaH, "(Product)"-SigmaDeltaH`,
`"(REACTANT)"=(-110.5-241.08)-(-393.5)=41.2 KJ mol^(-1)`.


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