Question: The rate constant for the elementary reaction 2NO(g) + O2(g) 2NO2(g) is 7.1 3 109/M2 . s at 25C. What is the rate constant

The rate constant for the elementary reaction
2NO(g) + O2(g) → 2NO2(g)
is 7.1 3 109/M2 . s at 25°C. What is the rate constant for the reverse reaction at the same temperature?

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