Heat of Vaporization Worksheet
A Grade 10 Science worksheet focusing on the concept of heat of vaporization, including definitions, calculations, and real-world applications.
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Heat of Vaporization Worksheet
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Read each question carefully and answer to the best of your ability. Show all calculations where necessary.
1. The is the amount of energy required to change a liquid into a gas at a constant temperature.
2. When a substance changes from a liquid to a gas, it absorbs energy in the form of .
3. The SI unit for heat of vaporization is .
4. Which of the following processes involves the heat of vaporization?
Melting ice
Boiling water
Freezing water
Sublimation of dry ice
5. The heat of vaporization is an endothermic process.
True
False
6. If the heat of vaporization of water is 2260 J/g, how much energy is required to vaporize 50 grams of water at its boiling point?
7. Explain why sweating helps to cool down the human body, relating it to the concept of heat of vaporization.
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