Exam Preparation, 2026 Academic Year —
Complete Exam Material
Introduction
This workbook contains 54 multiple-choice CHEM 103 final-exam
questions covering gases, bonding, stoichiometry, thermochemistry,
electrochemistry, acids and bases, equilibrium, kinetics, quantum
chemistry, solutions, and periodic trends. It includes a complete
answer key for all 54 questions, making it suitable for final-exam
practice and revision.
Exam Questions and Answers
, CHEM 103 Final Exam — 50-Question Workbook
54 questions
Name: Date: Score:
1. At STP under the common introductory-chemistry convention, approximately how much volume
does 1 mol of an ideal gas occupy?
A 22.4 L
B 11.2 L
C 44.8 L
D 1.00 L
2. What is the ideal gas equation?
A PV = RT/n
B PV = nRT
C P = nVT
D V = PnRT
3. Which molecule contains a polar covalent bond?
A HCl
B N₂
C O₂
D Cl₂
4. In the balanced equation 2H₂ + O₂ → 2H₂O, what is the mole ratio H₂:O₂?
A 1:1
B 2:1
C 1:2
D 2:2