P R O F E S S I O N A L P R A C T I C E M AT E R I A L S
Portage Learning CHEM 103
Module 8 Exam Questions &
Answers 2026-2027
(Rationales)
Verified Answers Exam Ready With Rationales
96 QUESTIONS
DOCUMENT OVERVIEW
This document contains 96 verified questions with correct answers and detailed rationales focused on
general chemistry concepts. It serves as a comprehensive resource for studying the properties and
behaviors of different states of matter and solid types. Students can utilize this material for effective exam
preparation, course review, and to enhance their understanding in a structured manner.
CONTENTS
01 States of Matter Q1–Q12
02 Intermolecular Forces Q13–Q28
03 Physical Properties Q29–Q41
Page 1
, 04 Thermodynamics Q42–Q53
05 Solutions and Concentration Q54–Q65
06 Colligative Properties Q66–Q76
07 Osmosis and Tonicity Q77–Q87
08 Colloids and Dispersions Q88–Q96
E XA M Q U EST I O N S
Q1 QUESTION 1 OF 96
Solid
CORRECT ANSWER
Arrangement consists of particles that are tightly packed together and often arranged in a regular pattern
RATIONALE
Tightly packed particles in a solid create strong intermolecular forces, leading to a definite shape and volume. This
regular arrangement contributes to the rigidity and stability characteristic of solid materials.
Q2 QUESTION 2 OF 96
Liquids
CORRECT ANSWER
Arrangement consists of particles that are close together with no regular arrangement
RATIONALE
In liquids, particles are closely packed, allowing for intermolecular forces to maintain cohesion while enabling
fluidity, resulting in a lack of a fixed shape. This unique arrangement distinguishes liquids from solids, which have a
regular structure, and gases, which are widely spaced and disordered.
Q3 QUESTION 3 OF 96
Page 2
,Gas
CORRECT ANSWER
Arrangement consists of particles that are far apart with no regular arrangement
RATIONALE
Gas particles exhibit a high kinetic energy that allows them to overcome intermolecular forces, resulting in a state
where they are dispersed and lack a fixed arrangement. This characteristic enables gases to fill their containers
uniformly, reflecting their significant distance and randomness in particle organization.
Q4 QUESTION 4 OF 96
Solid
CORRECT ANSWER
Movement consists of particles that vibrate and are in fixed positions and generally don't move in relation to
one another
RATIONALE
In solids, particles are closely packed in a fixed arrangement, allowing only vibrational motion, which maintains a
definite shape and volume. This structural integrity distinguishes solids from liquids and gases, where particle
movement is more dynamic and less constrained.
Q5 QUESTION 5 OF 96
Liquid
CORRECT ANSWER
Movement consists of particles that move past each other but remain in essentially constant contact
RATIONALE
Liquid particles exhibit a unique arrangement where they are closely packed yet mobile, allowing them to slide past
one another while maintaining intermolecular attractions. This characteristic enables liquids to take the shape of
their container while retaining a fixed volume, illustrating the dynamic nature of their molecular interactions.
Q6 QUESTION 6 OF 96
Page 3
, Gas
CORRECT ANSWER
Movement consists of particles that move independently of one another except when they collide
RATIONALE
Gas behavior is characterized by the kinetic molecular theory, which states that particles are in constant, random
motion and occupy space independently, with interactions occurring primarily during elastic collisions. This
principle explains the low density and high compressibility of gases compared to liquids and solids.
Q7 QUESTION 7 OF 96
Increasing temperature = increasing KE = faster moving and further apart particles = phase shifts
CORRECT ANSWER
How does the relationship between temperature and kinetic energy describe the movement of a substance
from one phase to another?
RATIONALE
Temperature directly influences the kinetic energy of particles, causing them to move more rapidly and spread apart,
which facilitates phase transitions such as melting or vaporization. This relationship underscores the physical
principles governing changes in state and energy distribution within substances.
Q8 QUESTION 8 OF 96
Intermolecular forces are the attractions between molecules which may determine the physical properties of
a substance; intramolecular forces are those within the molecule that keep it together
CORRECT ANSWER
What is the difference between intermolecular forces and intramolecular forces?
RATIONALE
Intermolecular forces influence physical properties such as boiling and melting points by affecting how molecules
interact with one another, while intramolecular forces, like covalent bonds, maintain the structural integrity of the
molecule itself. Understanding this distinction is critical for predicting a substance's behavior in various states and
conditions.
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