What is the rate law expression for a reaction that is second order with respect

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Question: What is the rate law expression for a reaction that is second order with respect to reactant A? (2023)

Options:

Correct Answer: Rate = k[A]^2

Exam Year: 2023

Solution:

For a second order reaction with respect to A, the rate law is expressed as Rate = k[A]^2.

What is the rate law expression for a reaction that is second order with respect to reactant A? (2023)

What is the rate law expression for a reaction that is second order with respect to reactant A? (2023)

Step 1: Understand that the rate law expression shows how the rate of a reaction depends on the concentration of reactants.
Step 2: Identify that 'second order with respect to A' means the reaction rate depends on the concentration of A raised to the power of 2.
Step 3: Recognize that 'k' is the rate constant, which is a number that relates the rate of the reaction to the concentrations of the reactants.
Step 4: Combine the information to write the rate law expression: Rate = k[A]^2.

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