5.1.2.2 - Closed System
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Practice Questions
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Define a closed system in your own words.
💡 Hint: Think about examples like thermoses or sealed containers.
What types of energy exchange can occur in a closed system?
💡 Hint: Remember: one involves thermal energy, the other involves force.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What can be exchanged in a closed system?
💡 Hint: Consider what happens inside a sealed container.
True or False: A closed system allows mass to enter or leave.
💡 Hint: Think about energy versus mass isolation.
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Challenge Problems
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Explain how a closed system can lead to energy conservation during a chemical reaction. Provide a detailed scenario.
💡 Hint: Consider different internal energy states before and after the reaction.
Calculate the change in internal energy (∆U) if 200 J of work is done on the system and 50 J of heat is released.
💡 Hint: Remember the sign conventions for heat and work.
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