Practice - Phase Changes (Changes of State): Transformations by Energy
Practice Questions
Test your understanding with targeted questions
What is melting?
💡 Hint: Think about ice turning to water.
What happens during condensation?
💡 Hint: Consider the steam on a mirror after a shower.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the process of a substance changing from solid to liquid called?
💡 Hint: Think about ice turning into water.
True or False: Latent heat is the energy required for temperature change.
💡 Hint: Recall the definition of latent heat.
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Challenge Problems
Push your limits with advanced challenges
A heat process involves boiling 2 kg of water at 100°C. If the latent heat of vaporization is 2,260,000 J/kg, how much energy is required to turn the water to steam?
💡 Hint: Use the equation: heat = mass x latent heat.
During a cooling process, 1 kg of steam at 100°C is condensed to water at the same temperature. How much latent heat is released?
💡 Hint: Think about the process of condensation using latent heat.
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Reference links
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