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Answered

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two answer multiple choice-- please help!
Study the reaction.

NH4+ + NO2– ⟶ N2 + 2H2O

The rate of this reaction is proportional to the concentration of ammonium (NH4+) and the concentration of nitrogen dioxide (NO2–).

What is the rate law of this reaction?

Rate = K[NH4+][NO2–]
Rate = K[N2][H2O] ^2

Sagot :

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Answer:

Rate = K[NH₄⁺][NO₂⁻]

Explanation:

In kinetics studies of reaction, rate law is a mathematical expression that relates speed of reaction with concentrations of the reactants. For a reaction:

aA + nN → cC + dD

The rate law is expressed in terms of [A] and [B] as follows:

Rate = K[A]ᵃ[N]ⁿ

Where K is rate constant.

For the reaction:

NH4+ + NO2– ⟶ N2 + 2H2O

The rate law is:

Rate = K[NH₄⁺][NO₂⁻]

As was said in the problem, the rate is porportional to [NH₄⁺] and to [NO₂⁻]

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