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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define a system in thermodynamics.
π‘ Hint: Think about how the universe is divided for study.
Question 2
Easy
What is a state function?
π‘ Hint: Consider how temperature is always the same regardless of heating methods.
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
The first law of thermodynamics states that energy:
- Can be created
- Can be destroyed
- Can only be transformed
- Can be increased
π‘ Hint: Recall the principle of conservation of energy.
Question 2
True or False: A closed system allows for the exchange of matter.
- True
- False
π‘ Hint: Think about how a closed vessel behaves during a reaction.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the Gibbs free energy change for a reaction at standard conditions if ΞH = -100 kJ and ΞS = 250 J/K.
π‘ Hint: Make sure all units are consistent.
Question 2
What is the total entropy change when 1 mol of ice melts into water at 0Β°C?
π‘ Hint: Remember to convert kJ to J before calculating.
Challenge and get performance evaluation