What does the change in free energy (ΔG) represent in a chemical reaction?

Thermodynamics and Electrochemistry Concepts

Interactive Video
•
Chemistry, Physics, Science
•
11th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The energy lost as heat in a reaction
The total energy change in a reaction
The maximum amount of useful work obtainable from a reaction
The minimum amount of energy required for a reaction
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the equation ΔG° = -nFE°, what does 'n' represent?
The number of moles of ions in solution
The number of moles of electrons transferred
The number of moles of products
The number of moles of reactants
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the Faraday constant (F) used in calculating ΔG?
It is subtracted from the number of moles of electrons
It is multiplied by the number of moles of electrons and the cell potential
It is divided by the cell potential
It is added to the cell potential
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between ΔG and the equilibrium constant (K)?
ΔG is directly proportional to K
ΔG is inversely proportional to K
ΔG is equal to RT times the natural log of K
ΔG is equal to the natural log of K
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the ideal gas constant (R) value typically used in electrochemistry calculations?
6.02 J/mol·K
9.81 J/mol·K
7.22 J/mol·K
8.31 J/mol·K
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the Nernst equation help determine?
The equilibrium constant at standard conditions
The cell potential under non-standard conditions
The number of moles of electrons transferred
The temperature of the reaction
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of a large equilibrium constant (K) value?
The reaction goes to completion
The reaction is endothermic
The reaction is at equilibrium
The reaction is slow
Create a free account and access millions of resources
Similar Resources on Quizizz
11 questions
Voltaic Cells and Electrochemistry Concepts

Interactive video
•
10th - 12th Grade
11 questions
Electrochemistry Concepts and Calculations

Interactive video
•
11th - 12th Grade
11 questions
Redox Reactions and Electrochemical Cells

Interactive video
•
10th - 12th Grade
11 questions
Thermodynamics and Equilibrium Concepts

Interactive video
•
11th - 12th Grade
11 questions
Understanding Free Energy and Equilibrium

Interactive video
•
10th - 12th Grade
11 questions
Equilibrium Constants and Gibbs Free Energy

Interactive video
•
11th Grade - University
8 questions
Practice Problem: Cell Potential, Equilibrium Constants, and Free Energy Change

Interactive video
•
11th Grade - University
11 questions
Nernst Equation and Galvanic Cells

Interactive video
•
10th - 12th Grade
Popular Resources on Quizizz
25 questions
Equations of Circles

Quiz
•
10th - 11th Grade
30 questions
Week 5 Memory Builder 1 (Multiplication and Division Facts)

Quiz
•
9th Grade
33 questions
Unit 3 Summative - Summer School: Immune System

Quiz
•
10th Grade
10 questions
Writing and Identifying Ratios Practice

Quiz
•
5th - 6th Grade
36 questions
Prime and Composite Numbers

Quiz
•
5th Grade
14 questions
Exterior and Interior angles of Polygons

Quiz
•
8th Grade
37 questions
Camp Re-cap Week 1 (no regression)

Quiz
•
9th - 12th Grade
46 questions
Biology Semester 1 Review

Quiz
•
10th Grade