JAMB - Chemistry (1985 - No. 13)
The energy change (ΔH) for the reaction CO(g) + (1)/(2)O2(g) → is?
(ΔHi(CO) = -110.4 kJ mol-) (ΔHi(CO2) = -393 kJ mol-)
(ΔHi(CO) = -110.4 kJ mol-) (ΔHi(CO2) = -393 kJ mol-)
-503.7 kJ
+503.7kJ
-282.9 kJ
+282.9 kJ
+393.3 kJ
Explanation
The energy charge for the reaction is - (393 - HO.4) = -282.9 kJ
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