Question 1

Based on the experimental data provided, what is the rate law for the reaction A + B → C?

Accepted Answer

$$	ext{rate} = k[A]^2[B]$$

Question 2

Which graph best represents the concentration of a reactant in a first-order reaction as a function of time?

Accepted Answer

Image 2: $$\ln[A] vs. $$time (straight line)

Question 3

Which graph would you expect for a zero-order reaction when plotting $$[A]$$ versus time?

Accepted Answer

Image 3: $$[A] vs. $$time (straight line)

Question 4

Which graph would you expect for a second-order reaction when plotting $$1/[A]$$ versus time?

Accepted Answer

Image 4: $$1/[A] vs. $$time (straight line)

Question 5

Which of the following equilibrium constant expressions is correct for the reaction $$\mathrm{N_2O_4(g) \rightleftharpoons 2NO_2(g)}$$?

Accepted Answer

Image 7: $$\frac{[NO_2$]^2}{[N_2O_4]}$$

Question 6

If the plot of $$\ln[A]$$ versus time is a straight line, what is the order of the reaction with respect to A?

Accepted Answer

First order

Question 7

If doubling the concentration of [A] increases the rate by a factor of 4, what is the order of the reaction with respect to [A]?

Accepted Answer

Second order

Question 8

Given the data in the table, what is the order of the reaction with respect to [B]?

Accepted Answer

Zero order

Question 9

Which of the following best describes the effect of increasing [A] from 0.451 M to 1.35 M on the initial rate, based on the data provided?

Accepted Answer

The rate increases by a factor of 9

Question 10

Which of the following is NOT a correct graphical representation for a reaction that is first order in [A]?

Accepted Answer

A straight line for $$[A] vs. $$time

General Chemistry Exam 1 Review – Kinetics and Equilibrium Guidance

Study Guide - Practice Questions