8.6 - Principle of Calorimetry
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Practice Questions
Test your understanding with targeted questions
What happens to the temperature of a hot object when it is placed in contact with a cold object?
💡 Hint: Think about how heat flows.
What is the unit of specific heat capacity?
💡 Hint: Consider how we measure energy.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the formula m₁c₁(T₁ - T) = m₂c₂(T - T₂) represent?
💡 Hint: Think about how energy is transferred between hot and cold.
True or False: In calorimetry, we assume that heat is always lost to the surroundings.
💡 Hint: Remember the ideal condition we discussed.
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Challenge Problems
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A laboratory experiment shows that 500g of iron at 120°C is placed into 600g of water at 25°C. Calculate the final temperature if the specific heat of iron is 0.45 J/g°C. Assume no heat loss to the surroundings.
💡 Hint: Remember to keep track of the energy transferred from iron to water.
Consider a system where 250g of a substance (specific heat = 3.0 J/g°C) loses 1000 J of heat. What is the temperature change? Use Q = mcΔT.
💡 Hint: Make sure to plug in the values correctly and pay attention to the units.
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