2003
Chemistry
JAMB
CO(g) + H2O(g) ⇌ CO2(g) + H2(g) From the reaction above, calculate the standard heat change if the standard enthalpies of formation of CO2 (g), H2O (g) and CO (g) in kJ mol-1 are -394, -242 and -110 respectively.
A.
-262 kJ mol-1
B.
-42kJ mol-1
C.
+42 kJ mol-1
D.
+262 kJ mol-1
Correct Answer: -42kJ mol-1
Explanation
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