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Handout
University of Waterloo (Canada)

The University of Waterloo: The Heating Curve

For Students 9th - 10th
The heat of vaporization along with several other thermal properties are explained. Sample problems are given. Illustrations.
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Handout
University of Florida

Chem. 2041 Lecture Notes: The Forces Between Molecules

For Students 9th - 10th
A discussion of the variety of forces which hold molecules together. The relative strengths of these forces for the various states of matter is discussed. The effect of such forces on the boiling points and other phase change...
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Activity
University of Maryland

University of Maryland: Boiling at Reduced Pressure

For Students 9th - 10th
A page from the University of Maryland Physics Lecture Demonstration Facility. Provides directions for a teacher demonstration of the dependency of the boiling point upon pressure. Shows apparatus and set-up; provides suggestions. Easily...
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Handout
MadSci Network

The Mad Scientist Network: Chemistry

For Students 9th - 10th
The question "What is process called when gases go back to solids?" is discussed in detail. A comparison of the processes of sublimation, deposition and condensation is made.
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Activity
University of Maryland

University of Maryland: Boiling Water by Pumping

For Students 9th - 10th
A page from the University of Maryland Physics Lecture Demonstration Facility. Provides directions for a teacher demonstration which utilizes a Bell jar and vacuum pump to show the dependency of boiling point upon pressure. Shows...