5.6.4 - Entropy and Second Law of Thermodynamics
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Practice Questions
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Define entropy.
💡 Hint: Think about how disorder relates to energy systems.
What does the second law of thermodynamics state?
💡 Hint: Consider what happens during spontaneous processes.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is entropy?
💡 Hint: Consider the state of a messy room versus a tidy room.
True or False: Spontaneous processes lead to a decrease in entropy.
💡 Hint: Think about systems that tend toward disorder.
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Challenge Problems
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A heat engine operates between 500 K and 300 K. Calculate the maximum efficiency of this engine based on the second law of thermodynamics.
💡 Hint: Use the formula for efficiency of heat engines.
Analyze the spontaneity of the reaction A → B, given ΔH = 50 kJ and ΔS = 200 J/K.
💡 Hint: Remember to keep units consistent!
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