10.8.1 - Latent Heat
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Practice Questions
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What is latent heat?
💡 Hint: What happens during melting or boiling?
Name the two types of latent heat.
💡 Hint: Think about solid to liquid and liquid to gas changes.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is latent heat?
💡 Hint: Connect it with phase changes.
True or False: The latent heat of fusion is greater than the latent heat of vaporization.
💡 Hint: Consider energy needed for each phase change.
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Challenge Problems
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A 1 kg block of ice is at -10°C. Calculate the total energy needed to turn it into steam at 100°C. Use the appropriate specific heat capacities, latent heats of fusion and vaporization for your calculations.
💡 Hint: Break it into steps and use Q = mL for phase changes.
Consider a refrigeration unit that removes heat from indoor air at 32°C. If it has a cooling capacity of 2500 J/s, how much water could be frozen if it operated continuously for 1 hour?
💡 Hint: Set up your calculation with total energy over time, then relate it to mass.
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