# When to use integrated rate law

## What is the difference between the rate law and the integrated rate law?

Re: rate law vs integrated rate law

Rate Law is an expression that gives the reaction rate in terms of the concentration of species at any time. An Integrated Rate Law gives the concentration at any time after the start of the reaction.

## What is the integrated rate law for a first order reaction?

Zero-Order ReactionsZero-OrderFirst-Orderrate lawrate = krate = k[A]units of rate constantM s-1s-1integrated rate law[A] = –kt + [A]0ln [A] = –kt + ln[A]0plot needed for linear fit of rate data[A] vs. tln [A] vs. t

## What is the integrated rate law for a zero order reaction?

Zero-Order ReactionsZero-OrderFirst-Orderrate lawrate = krate = k[A]units of rate constantM s−1s−1integrated rate law[A] = −kt + [A]0ln[A] = −kt + ln[A]0plot needed for linear fit of rate data[A] vs. tln[A] vs. t

## What is the integrated rate law?

An integrated rate law is an equation that expresses the concentrations of reactants or products as a function of time. An integrated rate law comes from an ordinary rate law.

## What is the second order integrated rate law?

The Integrated Rate Law for a Second-Order Reaction

The reaction is second order with a rate constant equal to 5.76 × 10−2 L/mol/min under certain conditions.

## What is 1st order reaction?

A first-order reaction is a reaction that proceeds at a rate that depends linearly on only one reactant concentration.

## How do you determine the rate determining step?

The overall reaction rate depends almost entirely on the rate of the slowest step. If the first step is the slowest, and the entire reaction must wait for it, then it is the rate-determining step.

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## Is half life dependent on concentration?

Since the half-life equation of a first-order reaction does not include a reactant concentration term, it does not rely on the concentration of reactant present. In other words, a half-life is independent of concentration and remains constant throughout the duration of the reaction.

## Do zero order reaction depends on concentration?

In some reactions, the rate is apparently independent of the reactant concentration. The rates of these zero-order reactions do not vary with increasing nor decreasing reactants concentrations. This means that the rate of the reaction is equal to the rate constant, k, of that reaction.

## How do you know if a reaction is zero order?

Zero-order reactions are typically found when a material that is required for the reaction to proceed, such as a surface or a catalyst, is saturated by the reactants. A reaction is zero-order if concentration data is plotted versus time and the result is a straight line.