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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does a negative ΔG indicate about a chemical reaction?
💡 Hint: Think about spontaneity versus non-spontaneity.
Question 2
Easy
What happens to K when a reaction is exothermic?
💡 Hint: Consider the reaction's heat behavior.
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 signifies a spontaneous reaction when ΔG is:
- Positive
- Negative
- Zero
💡 Hint: Remember the meaning of negative values.
Question 2
At equilibrium, K equals 1. What does this indicate about ΔG?
- True
- False
💡 Hint: Think about equality in concentrations.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given that ΔG° for a certain endothermic reaction is +5.2 kJ at 298 K, calculate the equilibrium constant K.
💡 Hint: Make sure to convert units before calculating K.
Question 2
If K for a reaction is 0.50 and the reaction is exothermic, what happens to K if the temperature is raised? Explain your reasoning.
💡 Hint: Consider Le Chatelier's Principle and how temperature affects reaction direction.
Challenge and get performance evaluation