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Question

The ΔHf for CO2(g), CO(g) and H2O(g) are –393.5, –110.5 and –241.8 kJ mol1 respectively. The standard enthalpy change (in kJ) for the reaction CO2+H2CO+H2O is:

A
524.1
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B
41.2
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C
-262.5
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D
-41.2
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