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13.4 Changes of State

13.4 Changes of State. Evan Florin Tyler Fornwalt Justin Lee Jerry Li. Sublimation. Objective 21 The change of a substance from a solid to a vapor without passing through a liquid state E.g., ice becomes water vapor without thawing, or dry ice

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13.4 Changes of State

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  1. 13.4 Changes of State Evan Florin Tyler Fornwalt Justin Lee Jerry Li

  2. Sublimation • Objective 21 • The change of a substance from a solid to a vapor without passing through a liquid state • E.g., ice becomes water vapor without thawing, or dry ice • This is occurs when the vapor pressure exceeds atmospheric pressure

  3. Phase Changes • Objective 22

  4. Phase Diagram • Objective 23 • Triple point – conditions at which all 3 phases exist at once. • Critical point – conditions where no phase boundaries exist

  5. Objectives 24. What do the lines (not axes) on a triple point diagram represent? A. The conditions at which two phases exist in equilibrium.

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