'Phase change occurs' presentation slideshows

200

Properties of Matter. Phase Changes. Energy & Thermo- Dynamics. Temp. and heat. Pressure. 100. 100. 100. 100. 400. 100. 200. 200. 200. 200. 200. 300. 300. 300. 300. 300. 400. 400. 400. 400. 400. 500. 500. 500. 500. 500.

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PHASE CHANGES

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What is the difference between the molecules in a cup of water and the molecules in a cube of ice?

What is the difference between the molecules in a cup of water and the molecules in a cube of ice?. A the molecules in water have less kinetic energy. The molecules in the cube of ice are less free to move. The molecules in the cube of ice are moving faster.

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Unit 3 Topic 3

Unit 3 Topic 3. In order for a substance to undergo a phase change (a change in physical state) the individual particles must either speed up or slow down. Particles speed up when heat is added , this process is considered endothermic because heat is absorbed .

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Chapter 37

226 views • 11 slides