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Write the rate law for the following elementary reaction:2NO(g) + O2(g) → 2NO2(g)Use k1 to stand for the rate constant.

Question

Write the rate law for the following elementary reaction:

2NO(g) + O2(g) → 2NO2(g)
Use k1 to stand for the rate constant.

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Solution

The rate law for an elementary reaction can be written directly from the stoichiometry of the reaction. The rate law is an expression that shows the rate of a reaction as a function of the concentrations of its reactants.

For the given reaction: 2NO(g) + O2(g) → 2NO2(g)

The rate law would be: Rate = k1[NO]^2[O2]

Here, k1 is the rate constant, [NO] is the concentration of NO, and [O2] is the concentration of O2. The exponents (in this case 2 for NO and 1 for O2) are equal to the stoichiometric coefficients in the balanced chemical equation.

This problem has been solved

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1/3

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