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(WGU BVT1) CHEM 3310 - Physical Chemistry - OA Review

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(WGU BVT1) CHEM 3310 - Physical Chemistry - OA Review (WGU BVT1) CHEM 3310 - Physical Chemistry - OA Review (WGU BVT1) CHEM 3310 - Physical Chemistry - OA Review

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  • August 22, 2024
  • 27
  • 2024/2025
  • Exam (elaborations)
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ClementeO
BVT1 CHEM 3310




Physical Chemistry




OA REVIEW




©WGU 2024/2025

,1. Multiple Choice: What is the primary factor that determines the
spontaneity of a reaction?
A) Enthalpy
B) Entropy
C) Free Energy
D) Activation Energy
Correct Answer: C) Free Energy
Rationale: The spontaneity of a chemical reaction is primarily
determined by the change in free energy, according to Gibbs free
energy equation.


2. Fill-in-the-Blank: The ________ states that the rate of a chemical
reaction is proportional to the product of the concentrations of the
reactants.
Correct Answer: Rate Law
Rationale: The rate law expresses the relationship of the reaction
rate with the concentration of reactants.


3. True/False: The transition state of a chemical reaction is the
same as the activated complex.
Correct Answer: True


©WGU 2024/2025

, Rationale: The transition state, also known as the activated
complex, is the highest energy state in the reaction pathway.


4. Multiple Response: Which of the following are colligative
properties of a solution? (Select all that apply)
A) Vapor Pressure Lowering
B) Boiling Point Elevation
C) Viscosity
D) Freezing Point Depression
Correct Answers: A) Vapor Pressure Lowering, B) Boiling
Point Elevation, D) Freezing Point Depression
Rationale: Colligative properties depend on the number of
particles in a solution, and include vapor pressure lowering, boiling
point elevation, and freezing point depression, but not viscosity.


5. Multiple Choice: In a redox reaction, the substance that gains
electrons is called the:
A) Oxidizing agent
B) Reducing agent
C) Catalyst
D) Electrolyte
Correct Answer: A) Oxidizing agent

©WGU 2024/2025

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