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Demonstrate Phase Changes of CO2 - Demonstration Kit

by Flinn Scientific

Item #: AP4505

Price: $65.30

The Phase Change of Carbon Dioxide Chemical Equilibrium Demonstration Kit is an ingenious idea to introduce phase diagrams and triple point using dry ice. Using a unique device, all three phases of CO2 can be easily and safely observed.

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An ingenious idea to introduce and demonstrate phase diagrams and triple point using dry ice. At atmospheric pressure carbon dioxide exists only as a solid or gas. However, in a closed system, liquid carbon dioxide will exist when the pressure exceeds 5 atmospheres. The triple point is when all three states of carbon dioxide (solid, liquid, and gas) are simultaneously present in a closed system. Using a unique device called a Triple Point of CO2 Apparatus, all three phases of CO2 can now be easily and safely observed. The apparatus comes with a large pressure gauge to monitor the pressure changes in the apparatus. This is a terrific lab activity. Enough reusable material is included to perform this demonstration an unlimited number of times. Concepts: Equilibrium, phase diagrams, triple point, sublimation. Time Required: 20 minutes Materials Provided: Triple point ofCO2 apparatus, detailed instructions and teaching notes. Note: Dry ice is required but not provided.