Which oxidizing agent will generate the greatest amount of energy for 1 mole of ? — Thermodynamics and Thermochemistry Chemistry Question
Question
Which oxidizing agent will generate the greatest amount of energy for 1 mole of $\text{H}_2\text{(g)}$?
Answer: C
💡 Solution & Explanation
Normalize each reaction per 1 mole of $\text{H}_2$: For $\text{O}_2$, $\Delta H = -483.636 / 2 = -241.8\text{ kJ}$. For $\text{O}_3$, $\Delta H = -868.2 / 3 = -289.4\text{ kJ}$. For $\text{H}_2\text{O}_2$, $\Delta H = -347.33\text{ kJ}$. The maximum magnitude (energy generated) is $347.33\text{ kJ}$ utilizing $\text{H}_2\text{O}_2$.
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