The reaction O3 + NO → O2 + NO2 has Ea = 10.7 kJ/mole and ΔH = – 199.8 kJ/mole. What is the activation energy for the following reaction?

Question

The reaction O3 + NO → O2 + NO2 has Ea = 10.7 kJ/mole and ΔH = – 199.8 kJ/mole. What is the activation energy for the following reaction?

O2 + NO2 → O3 + NO

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Thanh Thu 6 months 2021-08-10T14:38:12+00:00 1 Answers 1 views 0

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    2021-08-10T14:39:43+00:00

    Answer:

    Ea = 210.5kJ/mole

    Explanation:

    When the reaction:

    O3 + NO → O2 + NO2

    Occurs, requires 10.7kJ/mole and releases -199.8kJ/mole.

    For the forward reaction:

    O2 + NO2 → O3 + NO

    The Ea is the sum of Ea of the forward reaction and – ΔH, that is:

    Ea = Ea – (-ΔH)

    Ea = 10.7kJ/mol – (-199.8kJ/mol)

    Ea = 210.5kJ/mole

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