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Question

From the following data:
(i) H2(g)+CO2(g)H2O(g)+CO(g); K2000K=4.4
(ii) 2H2O(g)2H2(g)+2O2(g); K2000K=5.31×1010
(iii) 2CO(g)+2O2(g)2CO2(g); K1000K=2.24×1022
State whether the reaction (iii) is exothermic or endothermic?

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Solution

The given reaction is

2CO+2O22CO2

In synthesis of CO2 both heat and light are produced.

Therefore, the given reaction is an exothermic reaction.


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