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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is latent heat?
π‘ Hint: Think about phase changes.
Question 2
Easy
What is the latent heat of fusion for ice?
π‘ Hint: Consider the melting process.
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 the formula for calculating latent heat?
- Q = mcΞT
- Q = mL
- Q = m + L
π‘ Hint: Think about what we discussed regarding phase changes.
Question 2
True or False: The latent heat of vaporization for water is 2260 kJ/kg.
- True
- False
π‘ Hint: Recall the specific values for water's latent heat.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If 1 kg of ice at 0Β°C is warmed to 100Β°C and then evaporated into steam, calculate the total energy required.
π‘ Hint: Remember to break the problem into phases: melting, heating, and vaporizing.
Question 2
To pour 300 grams of liquid water at 100Β°C into ice, how much energy is released when the water cools to 0Β°C before becoming ice?
π‘ Hint: Calculate the cooling energy and then the energy for freezing.
Challenge and get performance evaluation