Practice Phase Changes And Latent Heat (B.1.3) - Theme B: The Particulate Nature of Matter

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9 questions

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Exercise
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6 sample questions

Question 1.
What is latent heat?
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Think about transitions like ice melting.
Question 2.
What happens to temperature during a phase change?
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Consider when ice melts to water.
3Question 3.
What is the energy required to melt ice called?
- Latent Heat of Vaporization
- Latent Heat of Fusion
- Specific Heat Capacity
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Think about the melting process.
4Question 4.
True or False: Temperature increases during a phase change.
- True
- False
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Recall the definition of phase changes.
Question 5.
A glacier contains 1,000,000 kg of ice. Calculate the total latent heat required to melt the entire glacier down (Lf = 334,000 J/kg).
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Use the latent heat of fusion formula.
Question 6.
When 5 kg of water boils away, how much energy is released? What concepts do you need to apply?
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Recall the boiling point and energy needed for the phase change.

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