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The Deltar H^0 for CO2(g), CO(g) and H2 ...

The `Delta_r H^0` for `CO_2`(g), CO(g) and `H_2 O` 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) rarr CO(g)+H_2 O(g)` is

A

524.1

B

41.2

C

-262.5

D

-41.2

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The correct Answer is:
B
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