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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define work in thermodynamics.
💡 Hint: Consider how energy is transferred in gas expansions or contractions.
Question 2
Easy
What does the term reversible process mean?
💡 Hint: Think about changes in state that can be undone easily.
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 is the formula for calculating work done on a gas?
- w = -p_ext ∆V
- w = p_ext ∆V
- w = ∆U + q
💡 Hint: Recall the definitions of work in thermodynamics.
Question 2
Is momentum conserved in reversible processes?
- True
- False
💡 Hint: Consider how the system behaves with external forces.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a gas expands from 2L to 10L while performing 50J of work. If the pressure stays constant at 1 atm, calculate the work done on the gas.
💡 Hint: Take care to convert energy units when necessary.
Question 2
How would you calculate the change in internal energy of a gas during a process when both work and heat are exchanged?
💡 Hint: Identify whether q or w is positive or negative based on the process.
Challenge and get performance evaluation