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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the definition of calorimetry?
💡 Hint: Think about what we measure when substances interact thermally.
Question 2
Easy
What is thermal equilibrium?
💡 Hint: Consider what happens when hot and cold objects are mixed.
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 principle underlies mixing calorimetry?
- Heat lost = Heat gained
- Heat gained = Heat lost
- No heat exchange
💡 Hint: Reflect on what happens when substances at different temperatures contact each other.
Question 2
True or False: A calorimeter should ideally lose heat to the surroundings.
- True
- False
💡 Hint: Think about the definition of a 'perfect' calorimeter.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A calorimeter contains 500 g of water at 25 °C. A 200 g copper piece at 150 °C is added. After reaching thermal equilibrium, what is the final temperature? Specific heat capacity of water is 4186 J/kg·K and for copper is 385 J/kg·K.
💡 Hint: Carefully isolate T_final on one side of the equation.
Question 2
In a well-insulated container, 3 kg of ice at -10 °C is mixed with 2 kg of water at 70 °C. What will be the final temperature? Use the latent heat of fusion of ice (334,000 J/kg) for calculations.
💡 Hint: Keep track of phase changes and heat balance carefully.
Challenge and get performance evaluation