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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the First Law of Thermodynamics state?
π‘ Hint: Think about energy changes in physical systems.
Question 2
Easy
What is entropy?
π‘ Hint: Consider how systems behave as they move towards equilibrium.
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
- Energy can be transformed
- Energy cannot be transformed
π‘ Hint: Think about the nature of energy transfers.
Question 2
Entropy increases in which of the following processes?
- Condensing steam
- Ice melting
- Water freezing
π‘ Hint: Consider the structure of molecules in solids vs fluids.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A gas expands in a cylinder, doing 50 J of work. If the internal energy decreases by 30 J, how much heat is removed from the gas?
π‘ Hint: Consider how energy changes with the given parameters.
Question 2
Explain how the principles of thermodynamics apply to the efficiency of a steam engine.
π‘ Hint: Focus on the energy transformation processes occurring in the cycle.
Challenge and get performance evaluation