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Phase Change, Description, Is Heat Lost or Gained? Picture. PDF Phase Change Worksheet Name: Date: Period: The graph was. When a phase in one form is altered to another form, a phase change is said to have occurred. Some of the worksheets displayed are Phase changes gizmo answer key epub, Gizmos phase changes answer key pdf, Gizmos work answers, Phase changes gizmo answer key, Phase changes gizmo packet key pdf epub ebook, Phase changes gizmo answer key pdf epub ebook, Gizmo phase changes answer key, Explore learning phase changes gizmo. 140 v 120 At point A, the beginning of observations, the substance exists 100 in a solid state. CH301 Worksheet 11Answer Key: Thermodynamic Calculations for Chemical Reactions and Phase Changes Check for explanation of solution key at bottom of page—Assume T = 298K. Use the graph to answer the following questions 1-23. Phase Change Worksheet Key Part 1. Dry ice turning directly into a gas is an example of what kind of phase change? 16. 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