1. When water is boiling, adding heat does not increase its temperature. In this case,the energy added to the liquid goes into breaking the bonds between the liquid molecules without causing the temperature to change.
2. Boiling-hot water will evaporate quickly as steam. Evaporation is the opposite of condensation, the process of water vapor turning into liquid water. Boiling water evaporates into thin air.
3. When water is cooled, the water molecules move slower and get closer together. When hot water cools, it loses mass to evaporation. With less mass, the liquid has to lose less heat to cool, and so it cools faster.
Answers & Comments
Answer:
1.Adding heat energy converts the liquid into a gas WITHOUT RAISING THE TEMPERATURE.
2.When water is heated, it expands, or increase in volume. When water increases in volume, it become less dense.
3.The liquid will begin to boil when enough heat has been absorbed by the solution that the temperature reaches the boiling point.
Explanation:
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Answer:
1. When water is boiling, adding heat does not increase its temperature. In this case,the energy added to the liquid goes into breaking the bonds between the liquid molecules without causing the temperature to change.
2. Boiling-hot water will evaporate quickly as steam. Evaporation is the opposite of condensation, the process of water vapor turning into liquid water. Boiling water evaporates into thin air.
3. When water is cooled, the water molecules move slower and get closer together. When hot water cools, it loses mass to evaporation. With less mass, the liquid has to lose less heat to cool, and so it cools faster.