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3 cards from this section. Quick, good the night before a test.
What is boiling?
Think about the temperature at which liquids change state.
What does Lv stand for?
It's the heat required for changing liquids into gases.
What is the latent heat of vaporization for water?
Recall the standard value for water's vaporization.
True or False: The temperature of a liquid decreases during boiling.
Think about the energy needed for phase change.
Calculate the total energy needed to vaporize 10 kg of ethanol, given that its latent heat of vaporization is 840 J/kg.
Use the same principle as with water but apply it to ethanol.
Predict the effect on boiling time for 5 kg of saltwater compared to plain water, knowing salt raises the boiling point.
Consider how impurities interact with boiling.
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