Practice - First Law of Thermodynamics (Conservation of Energy)
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Practice Questions
Test your understanding with targeted questions
What does the First Law of Thermodynamics state?
💡 Hint: Think about energy transfers in daily life.
What does ΔU represent?
💡 Hint: Relate it to heat added and work done.
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Interactive Quizzes
Quick quizzes to reinforce your learning
According to the First Law of Thermodynamics, energy can:
💡 Hint: Think about examples of energy transformations.
The equation ΔU = Q - W describes the relationship between:
💡 Hint: Relate to what happens when heat is added or produced by work.
1 more question available
Challenge Problems
Push your limits with advanced challenges
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!
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.
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