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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define the First Law of Thermodynamics in your own words.
💡 Hint: Think about conservation of energy.
Question 2
Easy
What does ΔU represent in the context of the First Law?
💡 Hint: It is related to the state of the system.
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 does the First Law of Thermodynamics state?
- Energy can be created and destroyed.
- Energy can only be transformed.
- Energy is irrelevant in thermodynamic processes.
💡 Hint: Refer to concepts of conservation.
Question 2
True or False: The internal energy of a system depends on its history.
- True
- False
💡 Hint: Think about the definition of state variables.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A piston compresses a gas in a cylinder and does 150 J of work on it while 75 J of heat is lost to the surroundings. Calculate the change in internal energy.
💡 Hint: Remember to consider the sign for heat lost.
Question 2
Design a simple experiment to observe the First Law of Thermodynamics using a heat source, a cylinder, and a gas. Describe expected observations.
💡 Hint: Think about how each component interacts thermodynamically.
Challenge and get performance evaluation