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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?
💡 Hint: Think about energy transfers in daily life.
Question 2
Easy
What does ΔU represent?
💡 Hint: Relate it to heat added and work done.
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
According to the First Law of Thermodynamics, energy can:
- Be created
- Be destroyed
- Change forms
💡 Hint: Think about examples of energy transformations.
Question 2
The equation ΔU = Q - W describes the relationship between:
💡 Hint: Relate to what happens when heat is added or produced by work.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A 200g gas container has an internal energy of 500 J. It absorbs 100 J of heat and performs 50 J of work. What is the new internal energy?
💡 Hint: Don't forget the role of initial internal energy!
Question 2
In an adiabatic process, 300 J of work is done on a gas. What happens to the internal energy, assuming no heat exchange?
💡 Hint: Consider the definition of adiabatic processes.
Challenge and get performance evaluation