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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define a closed system in your own words.
💡 Hint: Think about examples like thermoses or sealed containers.
Question 2
Easy
What types of energy exchange can occur in a closed system?
💡 Hint: Remember: one involves thermal energy, the other involves force.
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 can be exchanged in a closed system?
- Matter and Energy
- Only Energy
- Only Matter
💡 Hint: Consider what happens inside a sealed container.
Question 2
True or False: A closed system allows mass to enter or leave.
- True
- False
💡 Hint: Think about energy versus mass isolation.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation