6.02_assignment.doc - Chemistry Journal 6.2 Phase Changes Driving Question How do heat and energy influence the transition of one phase to another Key

6.02_assignment.doc - Chemistry Journal 6.2 Phase Changes...

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Chemistry Journal 6.2 Phase Changes Driving Question: How do heat and energy influence the transition of one phase to another? Key Ideas and Terms Notes FQ: What are the transition points for each phase change? What is a phase transition? A phase transition is the process where a substance will change its form of matter based on the temperature. Each pair of transition points in phase change occur at the same temperature. What are these transition points, and which ones pair together? The transition points are melting, freezing, boiling, and condensing. Melting pairs with freezing, and condensing pairs with evaporating. What causes phase changes? Phase changes are caused by the transfer of thermal energy, which changes the amount of kinetic energy in the particles of a substance. What happens at transition points that cause phase shifts? The energy and speed of the particles increase or decrease to change its state. Describe each transition point and the energy change associated with it: Melting point Freezing point Boiling point Condensation point
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  • Summer '18
  • Rose Overton

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