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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the formula for Gibbs Energy?
π‘ Hint: Remember it incorporates enthalpy, temperature, and entropy.
Question 2
Easy
What indicates a spontaneous reaction in terms of Gibbs energy?
π‘ Hint: Think about the sign of ΞG.
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 free energy change (ΞG) of a spontaneous process?
- ΞG < 0
- ΞG > 0
- ΞG = 0
π‘ Hint: Think about the sign of ΞG in spontaneous processes.
Question 2
True or False: A reaction can be spontaneous even if it is endothermic.
- True
- False
π‘ Hint: Consider the relationship between ΞH and ΞS for spontaneity.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Explain why a reaction with ΞH > 0 could still be spontaneous by identifying factors affecting Gibbs energy.
π‘ Hint: Discuss how temperature can alter the balance.
Question 2
For the reaction 2 H2(g) + O2(g) β 2 H2O(l), given ΞH = -572 kJ and ΞS = -163.2 J/K, calculate ΞG at 298K.
π‘ Hint: Remember to convert ΞS to kJ for consistency.
Challenge and get performance evaluation