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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is heat transfer?
💡 Hint: Think about temperature changes in the surrounding environment.
Question 2
Easy
How does heat affect internal energy?
💡 Hint: Recall the relationship between heat and temperature.
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 happens to internal energy when heat is added to a system?
- It decreases
- It stays the same
- It increases
💡 Hint: Consider heat transfer and energy states in a system.
Question 2
True or False: Heat transfer is only related to temperature.
- True
- False
💡 Hint: Think about other properties that can also change.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
An ideal gas in a piston performs 200 J of work as it expands and loses 50 J of heat during the process. What is the change in internal energy?
💡 Hint: Remember to apply the correct signs for heat and work.
Question 2
If a reaction absorbs 500 J of heat and does 100 J of work on its surroundings, what will be the change in internal energy?
💡 Hint: Focus on the energy changes involving absorption.
Challenge and get performance evaluation