AP Chem 5.3 Integrated Rate Laws Part I

The graphs shown in the diagram indicate that the reaction A → products is ......

• zero order

• first order

• second order

Which equation below would be used to find the concentration of reactant [A] at a specific time for a reaction with the following rate law? rate = k[A]

• ln [A] = -kt + ln[A]₀

• 1/[A] = kt + 1/[A]₀

• [A] = - kt + [A]₀

Tags

NGSS.HS-PS1-7

What rate order is demonstrated by the diagram for reactant A?

• zero order

• first order

• second order

Tags

NGSS.HS-PS1-5

For the differential rate law given below, which equation would be used to find the time at which the concentration of [A] would be .05 M? Rate = k[A]²

• [A] = - kt + [A]₀

• ln [A] = -kt + ln[A]₀

• 1/[A] = kt + 1/[A]₀

Tags

NGSS.HS-PS1-5

A possible rate law for a third overall order of a reaction is __________________

• Rate = k [A]²[B]²
• Rate = k [A][B]³
• Rate = k [A]³ [B]
• Rate = k [A]²[B]

Tags

NGSS.HS-PS1-5

For a reaction with the rate law rate = k[A][B], which equation would be used to find the concentration of [A] at a specific time?

• [A] = [A]₀e^-kt

• ln [A] = -kt + ln[A]₀

• 1/[A] = kt + 1/[A]₀

Tags

NGSS.HS-PS1-5

Which of the following equations is used to determine the half-life of a first-order reaction?

• t_1/2 = 0.693/k

• t_1/2 = [A]₀/2k

• t_1/2 = 1/k[A]₀

Tags

NGSS.HS-PS1-5

Which of the following is a characteristic of a first-order reaction?

• The rate is proportional to the square of the concentration of one reactant.

• The rate is directly proportional to the concentration of one reactant.

• The rate is independent of the concentration of reactants.

Tags

NGSS.HS-PS1-5

For a reaction with the rate law Rate = k [A][B], what is the overall order of the reaction?

• Third order

• Second order

• First order

Tags

NGSS.HS-PS1-5

In a zero-order reaction, how does the concentration of reactant A change over time?

• It decreases exponentially with time.

• It decreases linearly with time.

• It remains constant over time.

Tags

NGSS.HS-PS1-5