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How can the rate constant be determined from the rate law?
The rate constant is the reaction rate divided by the concentration terms.
Which of these mechanisms is consistent with the rate law?
The mechanism that is consistent with the rate law is the one that matches the experimentally determined rate equation.
What is the rate law expression for a first-order reaction?
The rate law expression for a first-order reaction is: Rate kA, where Rate is the reaction rate, k is the rate constant, and A is the concentration of the reactant.
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What is necessary to determine the rate of a reaction using the rate law?
To determine the rate of a reaction using the rate law, you need to know the rate constant (k), the concentrations of the reactants, and the order of the reaction with respect to each reactant. The rate law equation relates the rate of the reaction to these factors.
What does the rate law use to determine the rate of a reaction?
The rate law uses the concentrations of reactants to determine the rate of a reaction. By experimentally determining the relationship between the rate of reaction and the concentrations of reactants, we can derive the rate law equation for that specific reaction.
What does the rate law use to determine the rate of reaction?
The rate of a reaction is calculated using the concentrations of reactants.
What is the rate law that is consistent with the proposed mechanism?
The rate law that is consistent with the proposed mechanism is determined by the slowest step in the reaction, known as the rate-determining step. This step will dictate the overall rate of the reaction and the rate law will be based on the reactants involved in this step.
How does the rate law show how concentration changes change the rate of reaction?
The rate law equation relates the rate of a reaction to the concentrations of reactants. By examining the exponents of the concentrations in the rate law, one can determine how changes in the concentration of reactants affect the rate of the reaction. For example, if the exponent of a certain reactant is 2, doubling its concentration would quadruple the rate of the reaction according to the rate law equation.
What is the rate law for a zero-order reaction?
The rate law for a zero-order reaction is rate k, where k is the rate constant. In a zero-order reaction, the rate of the reaction is independent of the concentration of the reactants.
What is the zero order reaction rate law and how does it determine the rate of a chemical reaction?
The zero order reaction rate law states that the rate of a chemical reaction is independent of the concentration of the reactants. This means that the rate of the reaction remains constant over time. The rate of the reaction is determined solely by the rate constant, which is specific to each reaction. This rate law is expressed as: Rate k, where k is the rate constant.
What units must the rate constant have based on the rate law, and can you provide an example of how to calculate it?
The rate constant must have units that make the rate equation balanced. For example, if the rate law is rate kA2B, the rate constant k must have units of M-2 s-1. To calculate the rate constant, you can use experimental data and the rate law equation to solve for k.
