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Phase Change Lab Boiling Water Lab
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Boiling Water Graph Liquid water was vaporizing into a gas
Boiling Point ***Flat spots on the graph are:_________________ Liquid water was gaining energy ***Angles on the graph are the:______________ Solid Water was melting into a liquid
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Graphing Phases & Phase Changes
Note: When the line is an angle, the substance is a “phase” And when the line is flat, the substance is “changing phase” Vapor Vapor Evaporation /Boiling Condensing Liquid Liquid Melting Freezing Solid Solid
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Why does the graph change?
Q: What is the one big reason why the phases change? A: Energy either increasing or decreasing! Energy increasing Energy decreasing
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Graphing Phases & Phase Changes
Gas Phase Liquid Phase Solid Phase
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