Integrated Rate Laws Quiz

What is the main question addressed by integrated rate laws?

• How concentration of a reactant depends on time

• How pressure influences reaction speed

• How catalysts alter reaction pathways

• How temperature affects reaction rate

In a zero-order reaction, the rate is independent of which factor?

• Temperature

• Pressure

• Volume of the container

• Concentration of reactant

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

• Natural logarithm of concentration at time T equals KT plus initial concentration

• Concentration at time T equals KT plus initial concentration

• Rate equals K times concentration squared

• 1 over concentration at time T equals KT plus 1 over initial concentration

For a first-order reaction, the rate is proportional to what?

• Square of the concentration

• Inverse of the concentration

• Concentration of the reactant

• Temperature of the system

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

• Concentration at time T equals KT plus initial concentration

• Natural logarithm of concentration at time T equals KT plus natural logarithm of initial concentration

• 1 over concentration at time T equals KT plus 1 over initial concentration

• Rate equals K times concentration squared

In a first-order reaction, which of the following can be determined if the other three are known?

• Final concentration

• Rate constant

• Time interval

• Initial concentration

For a second-order reaction, the rate is proportional to what?

• Temperature of the system

• Concentration of the reactant

• Inverse of the concentration

• Square of the concentration

What is the integrated rate law for a second-order reaction?

• Concentration at time T equals KT plus initial concentration

• Rate equals K times concentration squared

• Natural logarithm of concentration at time T equals KT plus natural logarithm of initial concentration

• 1 over concentration at time T equals KT plus 1 over initial concentration

In a second-order reaction, how does the sign of KT differ from zero and first-order reactions?

• It is negative

• It is positive

• It is undefined

• It is zero

Which of the following is true for all orders of reactions discussed?

• Rate is always equal to negative change in concentration over change in time

• Rate is always equal to K times concentration squared

• Rate is always independent of concentration

• Rate is always dependent on temperature