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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the formula relating EMF and Gibbs Free Energy?
💡 Hint: Look for the equation that involves EMF and energy change.
Question 2
Easy
Define EMF.
💡 Hint: Think about what motivates the flow of electrons in a cell.
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
If a reaction is spontaneous, what must be true about its EMF?
- True
- False
💡 Hint: Think about the implications of ΔG being negative.
Question 2
What is Faraday’s constant?
💡 Hint: Consider the charge of a single mole of electrons.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Determine the Gibbs free energy change for a galvanic cell that has 3 moles of electrons transferred and an EMF of 0.75 V.
💡 Hint: Use the formula ΔG = -nFE_cell thoughtfully, paying close attention to units.
Question 2
How would a change in temperature affect the spontaneity of a redox reaction if an electrochemical cell operates at a constant pressure?
💡 Hint: Think about how temperature affects the charge dynamics of particles.
Challenge and get performance evaluation