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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is Gibbs Free Energy?
💡 Hint: Think about the energy's role in spontaneity.
Question 2
Easy
What does a negative ΔG signify?
💡 Hint: Remember the conditions for spontaneity.
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 is the criterion for a reaction to be spontaneous?
- ΔG > 0
- ΔG < 0
- ΔH > 0
- ΔH < 0
💡 Hint: Consider the sign of Gibbs Free Energy.
Question 2
True or False: A reaction can be endothermic but still be spontaneous.
- True
- False
💡 Hint: Reflect on the relationship between enthalpy and entropy.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A reaction has ΔH = 50 kJ and ΔS = 200 J/K. Calculate ΔG at 298 K. Is the reaction spontaneous?
💡 Hint: Convert units where necessary and apply the Gibbs equation.
Question 2
A process has a ΔH = -100 kJ and ΔS = -300 J/K. Determine the temperature at which the reaction is spontaneous.
💡 Hint: Set up the inequality for ΔG and solve for T.
Challenge and get performance evaluation