Reaction Rates

Reaction rate is defined as ...

The following factor that does not affect reaction rate is ...

Increasing the temperature generally makes the reaction rate ...

The function of a catalyst in a reaction is ...

The correct unit of reaction rate is ...

If the reactant concentration is increased, the reaction rate usually ...

In the reaction $2\mathrm{NO}+\mathrm{O}{}_2\to 2\mathrm{NO}{}_2$, if $\mathrm{NO}{}_2$ forms at 0.6 M/s, the rate of $\mathrm{NO}$ consumption is ...

The concentration of a reactant drops from 0.5 M to 0.2 M in 10 seconds. The average reaction rate is ...

According to collision theory, a reaction occurs when ...

Powdered $\mathrm{CaCO}{}_3$ reacts faster with $\mathrm{HCl}$ than its lump because ...

For a reaction with rate $v=k[A][B{]}^2$, if the concentrations of A and B are each doubled, the rate becomes ...

Increasing the pressure in a gas reaction speeds it up because ...

For a reaction $v=k[A{]}^2[B]$, if the concentration of A is doubled while B stays constant, the rate becomes ...

For a reaction of overall order two, the unit of the rate constant $k$ is ...

Experimental data: (1) [A] = 0.1; [B] = 0.1; rate = 1 M/s. (2) [A] = 0.2; [B] = 0.1; rate = 4 M/s. (3) [A] = 0.1; [B] = 0.2; rate = 2 M/s. The rate law is ...

From the previous data with $v=k[A{]}^2[B]$, the value of the rate constant $k$ is ...

If $v=k[A{]}^2[B]$ with $k=1,000{\text{M}}^{-2}{\text{s}}^{-1}$, the rate when [A] = 0.3 M and [B] = 0.2 M is ...

A reaction is first order in the reactant. When the reactant concentration is 0.1 M, the rate is 0.02 M/s. The rate constant is ...

A temperature rise of 10\,^\circ\text{C} generally doubles the reaction rate because ...

In the reaction $2\mathrm{N}{}_2\mathrm{O}{}_5\to 4\mathrm{NO}{}_2+\mathrm{O}{}_2$, if $\mathrm{O}{}_2$ forms at 0.02 M/s, the rate of $\mathrm{N}{}_2\mathrm{O}{}_5$ consumption is ...