The Reaction 2H₂O₂(g) 2H₂O(g) + O₂(g) Is Exothermic, ΔHº_rxn

question 33

Multiple Choice

The reaction 2H₂O₂(g) 2H₂O(g) + O₂(g) is exothermic, ΔHº_rxn = -210 kJ/mol. Which one of the following is correct?

• A) K_P at 800 K is smaller than K_P at 1200 K.
• B) Temperature does not affect K_P
• C) K_P depends only on the pressure.
• D) K_P at 1200 K is smaller than K_P at 800 K.
• E) K_P depends on total pressure as well as temperature.

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