Update) 320 Questions & Answers | Grade A | 100% Correct
Description
This StraighterLine Chemistry final exam is a Compilation of multiple latest documents (Q-Bank) of 320-
question closed-book, multiple-choice exam. It covers key topics like stoichiometry, gas laws,
thermochemistry, and bonding, requiring a scientific calculator and a provided periodic table. Mastering
course, practice questions is crucial, as they often reflect the exam's content.
Exam Description and Key Details
Format: 320 multiple-choice questions.
Access: Purchase through Stuvia and get instant pdf Download
Resources Allowed: Scientific calculator and periodic table (provided in Moodle).
Key Topics to Study
Fundamentals: Scientific notation, significant figures, metric system conversions.
Matter and Atoms: Physical/chemical properties, states of matter, atomic structure
(protons, neutrons, isotopes).
Formulas and Compounds: Naming compounds, ionic vs. covalent bonds, Lewis
structures, molecular geometry.
Reactions and Stoichiometry: Balancing equations, molarity, theoretical and percent
yield.
Gas Laws: Boyle’s Law, Charles’s Law, Ideal Gas Law.
Energy and Periodic Trends: Specific heat capacity, calorimetry, periodic table
organization, electronegativity.
Preparation Tips
Review Practice Tests: The final is similar to, or includes questions from, previous
assessments in the course.
Master Problem-Solving: Focus on calculation-heavy topics like stoichiometry and
molarity.
Use Provided Resources: Become familiar with the specific periodic table allowed
during the exam.
1
, Quiz_________________?
What is the term used for findings that are summarized based on
a pattern or trend?
a. Law
b. Hypothesis
c. Theory
d. Phenomena
e. Prediction -
Answer☑️
a. Law
Quiz_________________?
Which of the following is a tentative explanation for a set of
observations?
Select one:
a. Law
b. Hypothesis
c. Theory
d. Phenomena
e. Prediction -
2
, Answer☑️
b. Hypothesis
Quiz_________________?
If a liquid contains 60% sugar and 40% water throughout its
composition then what is it called?
Select one:
a. Solute
b. Compound
c. Homogeneous mixture
d. Heterogeneous mixture
e. Solvent -
Answer☑️
c. Homogeneous mixture
Quiz_________________?
Which of the following does not have a uniform composition
throughout?
Select one:
a. Element
b. Compound
3
, c. Homogeneous mixture
d. Heterogeneous mixture
e. Solvent -
Answer☑️
d. Heterogeneous mixture
Quiz_________________?
Which one of these represents a physical change?
Select one:
a. Water, when heated, forms steam.
b. Bleach turns hair yellow.
c. Sugar, when heated, becomes brown.
d. Milk turns sour.
e. Apples, when exposed to air, turn brown. -
Answer☑️
a. Water, when heated, forms steam.
Quiz_________________?
How many micrograms are in 65.3 kg?
Select one:
a. 0.653 μg
4