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

Practice Questions

Q1
What is the rate law expression for a reaction that is second order with respect to reactant A? (2023)
  1. Rate = k[A]
  2. Rate = k[A]^2
  3. Rate = k[A]^2[B]
  4. Rate = k[A][B]

Questions & Step-by-Step Solutions

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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