Practice Latent Heat Of Vaporization (10.3.4) - Quantity of Heat

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9 questions

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Exercise
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6 sample questions

Question 1.
What is latent heat of vaporization?
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Think of boiling water.
Question 2.
How do you calculate the heat for vaporization?
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Remember: mass times latent heat.
3Question 3.
What does the latent heat of vaporization measure?
- Heat needed for solid to liquid
- Heat needed for liquid to gas
- Heat needed for temperature increase
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Think about boiling water.
4Question 4.
True or False: The temperature changes during a phase change while latent heat is absorbed.
- True
- False
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Remember how water boils.
Question 5.
If you have 5 kg of water at 100°C, how much energy is needed to vaporize it completely?
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Multiply the mass by water's latent heat of vaporization.
Question 6.
Describe how latent heat of vaporization plays a role in weather systems like thunderstorms.
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Consider the cycle between evaporation and rainfall.

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