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When one gram of liquid at its boiling point is changed into water vapor

User Multitudes
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2 Answers

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Answer:

Energy is required called the heat of vaporization.

Step-by-step explanation:

Water has a heat of vaporization of 40.65 kJ/mol. Hydrogen bonding is present between water molecules so to break this hydrogen bond, heat energy is required.

User Gauri
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Answer:

One gram of liquid water changed into water vapor at its boiling point, energy is required called the heat of vaporization. Water has a heat of vaporization of 40.65 kJ/mol. Hydrogen bonding is present between water molecules so to break this hydrogen bond, heat energy is required.

Step-by-step explanation:

User Junle Li
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