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The enthalpy change of a reaction gives the amount of energy released or absorbed by a chemical reaction at constant pressure.

Which of the following electrolytic driven changes would be expected to produce the LARGEST change in enthalpy?

A

$H_2O_{(l)}↔ H_{2(g)}+ O_{2(g)}$

B

$2AgCl_{(s)}↔ 2Ag_{(s)}+ Cl_{2(g)}$

C

$2CO_{2(g)}↔ 2CO_{(g)}+ O_{2(g)}$

D

$2H_2O_{2(aq)}↔ 2H_2O_{(l)}+ O_{2(g)}$

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