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The energy change (ΔH) for the reaction CO(g) + (1)/(2)O

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-)

A.

-503.7 kJ

B.

+503.7kJ

C.

-282.9 kJ

D.

+282.9 kJ

E.

+393.3 kJ

View answer & explanation

Correct answer is C

The energy charge for the reaction is - (393 - HO.4) = -282.9 kJ

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