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What are the steps to experimentally determine a rate law?
1. Run multiple trials. 2. Vary initial concentrations of reactants. 3. Measure the initial rate for each trial. 4. Analyze how changes in concentration affect the rate.
What is the effect of doubling the concentration of a reactant in a first-order reaction?
The reaction rate doubles.
What is the effect of doubling the concentration of a reactant in a second-order reaction?
The reaction rate quadruples.
What is the effect of increasing the temperature on the rate constant k?
The rate constant k generally increases, leading to a faster reaction rate.
What is the difference between first order and second order reactions (effect of doubling concentration)?
First Order: Doubling concentration doubles the rate. Second Order: Doubling concentration quadruples the rate.