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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the formula to calculate EMF?
💡 Hint: Think about the differences in electrode potentials.
Question 2
Easy
What does a negative ΔG indicate?
💡 Hint: Recall what spontaneous means in thermodynamics.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does the equation ΔG = -nFE represent?
- Change in Gibbs free energy
- Change in temperature
- Change in pressure
💡 Hint: Think about energy transformations.
Question 2
True or False: A positive EMF indicates a spontaneous reaction.
- True
- False
💡 Hint: Recall our discussions about spontaneity.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
In an electrochemical cell, the cathode potential is 1.23 V, and the anode potential is 0.34 V. Calculate the EMF and assess the spontaneity of the reaction.
💡 Hint: Recall the formula for calculating EMF.
Question 2
If 4 moles of electrons are transferred in a redox reaction with an EMF of 0.75 V, calculate the Gibbs free energy change.
💡 Hint: Use the provided values in the Gibbs energy equation.
Challenge and get performance evaluation