Q: A reaction has a rate constant $$k = 2.5 \times 10$$^{-3}$$\ \text{s}^{-1} at 25$$°C. If the reaction is first order, what is the half-life?

$$t_{1/2} = \frac{0.693}{2.5 \times 10$$^{-3}$$}$$

Q: A student is asked to calculate the pH of a 0.01 M HCl solution. Which formula should they use?

$$\text{pH} = -\log[\text{H}^+]$$

Q: Which of the following is the correct balanced equation for the combustion of methane ($$\text{CH}_4$$)?

$$\text{CH}_4 + 2\text{O}_2 \rightarrow \text{CO}_2 + 2\text{H}_2\text{O}$$

Question 1

Which of the following best describes the main focus of CHEM 1001: Chemical Dynamics?

Accepted Answer

An exploration of chemical reactions, rates, and mechanisms, emphasizing the dynamics of chemical change.

Question 2

Which prerequisite is required for enrollment in CHEM 1001?

Accepted Answer

Grade 12 Chemistry or SC/CHEM 1000 3.00.

Question 3

A student is analyzing the rate of a reaction and finds that doubling the concentration of reactant A doubles the rate, while doubling reactant B quadruples the rate. What is the correct rate law for this reaction?

Accepted Answer

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

Question 4

Which of the following is NOT a topic covered in CHEM 1001 according to the syllabus?

Accepted Answer

Biochemistry

Question 5

A student missed a laboratory session due to illness. According to CHEM 1001 policy, what must the student submit to be considered for a make-up lab?

Accepted Answer

A formal Attending Physician Statement (APS).

Question 6

Which equation correctly represents the relationship between the rate constant $$k$$ and temperature $$T$$ according to the Arrhenius equation?

Accepted Answer

$$k = Ae$$^{-E_a/RT}$$

Question 7

During a titration experiment, a student uses 0.1 M NaOH to neutralize 25.0 mL of 0.1 M HCl. What is the volume of NaOH required?

Accepted Answer

$$25.0\ 	ext{mL}$$

Question 8

Which of the following statements about chemical equilibrium is correct?

Accepted Answer

At equilibrium, the rates of the forward and reverse reactions are equal.

Question 9

A reaction has a rate constant $$k = 2.5 	imes 10$$^{-3}$$\ 	ext{s}^{-1} at 25$$°C. If the reaction is first order, what is the half-life?

Accepted Answer

$$t_{1/2} = \frac{0.693}{2.5 	imes 10$$^{-3}$$}$$

Question 10

Which of the following best describes the role of a catalyst in a chemical reaction?

Accepted Answer

It provides an alternative pathway with lower activation energy.

Question 11

A student is asked to calculate the pH of a 0.01 M HCl solution. Which formula should they use?

Accepted Answer

$$	ext{pH} = -\log[	ext{H}^+]$$

Question 12

Which of the following is a correct statement about significant figures in chemical calculations?

Accepted Answer

The number of significant figures in the result should match the least precise measurement.

Question 13

Which of the following is the correct balanced equation for the combustion of methane ($$	ext{CH}_4$$)?

Accepted Answer

$$	ext{CH}_4 + 2	ext{O}_2 ightarrow 	ext{CO}_2 + 2	ext{H}_2	ext{O}$$

Question 14

A student is asked to identify the limiting reactant in a reaction between 5.0 g of Na and 10.0 g of Cl$$_2. $$Which concept should they apply?

Accepted Answer

Stoichiometry based on the balanced chemical equation.

Question 15

Which of the following is a correct statement about acids and bases according to the Brønsted-Lowry theory?

Accepted Answer

An acid is a substance that donates a proton.

Question 16

Which of the following is the correct formula for calculating the equilibrium constant $$K_c$$ for the reaction $$aA + bB \rightleftharpoons cC + dD$$?

Accepted Answer

$$K_c = \frac{[C]^c[D]^d}{[A]^a[B]^b}$$

Question 17

A student is asked to explain why reaction rates generally increase with temperature. Which is the best explanation?

Accepted Answer

Higher temperature increases the number of effective collisions.

Question 18

Which of the following is a correct statement about the role of laboratory work in CHEM 1001?

Accepted Answer

Laboratory work is mandatory and essential for understanding chemical dynamics.

Question 19

A student is preparing a solution by dissolving 5.0 g of NaCl in enough water to make 250 mL of solution. What is the molarity of the solution? ($$	ext{Molar mass of NaCl} = 58.44\ 	ext{g/mol})$$

Accepted Answer

$$0.34\ 	ext{M}$$

CHEM 1001 – Winter 2026: Course Syllabus and Study Guide Overview

Study Guide - Practice Questions

Study Guide - Flashcards