Unit 6.5 Energy of Phase Changes
Differentiate between energy changes due to heating/cooling and phase
transitions in a pure substance.
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How does heating water differ from melting ice in terms of energy
changes?
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Explain why temperature remains constant during a phase change even
when heat is added.
Calculate the heat of a phase change given temperature, mass, and
enthalpy of phase change data.
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Calculate the energy required to melt 50 g of ice (∆Hfus = 334 J/g).
- If 2000 J is absorbed, how much ice will melt at 0°C?