Practice - ∆U Measurements
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Practice Questions
Test your understanding with targeted questions
What is internal energy?
💡 Hint: Think about what an object contains in terms of energy.
What does a bomb calorimeter measure?
💡 Hint: Consider what happens to the temperature of water in the calorimeter.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does ∆U represent in thermodynamics?
💡 Hint: What does the delta symbol (∆) usually refer to in science?
In a bomb calorimeter, what remains constant?
💡 Hint: Consider how the calorimeter is set up.
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Challenge Problems
Push your limits with advanced challenges
A system absorbs 300 J of heat and does 150 J of work. Calculate ∆U.
💡 Hint: Apply the formula ∆U = q + w.
During a chemical reaction, 1000 J of heat is released while the volume expands doing 200 J of work. Find ∆U.
💡 Hint: Keep in mind the signs of energy changes during expansion.
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Reference links
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