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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is latent heat?
💡 Hint: Think about phase changes like melting or boiling.
Question 2
Easy
What is the latent heat of fusion for ice?
💡 Hint: Consider the energy needed to melt ice.
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 is latent heat?
- A) The heat produced by a chemical reaction
- B) Thermal energy absorbed or released during a phase change
- C) Heat required to raise the temperature of a substance
💡 Hint: Focus on what happens during changes like melting and boiling.
Question 2
True or False: Latent heat only applies to liquids.
- True
- False
💡 Hint: Think about ice melting and water vaporizing.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You have 1 kg of ice at -20°C. Calculate the total energy required to convert it to steam at 100°C. Include the processes of heating ice to 0°C, melting it, heating water to 100°C, and vaporizing it.
💡 Hint: Break down the steps: Heating ice, melting it, heating water, vaporizing.
Question 2
A container holds 200 g of water at 100°C boiling. If 100 g of steam condenses, how much heat is released?
💡 Hint: Focus on the mass of steam and use the latent heat of vaporization.
Challenge and get performance evaluation