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Ch.11 - Liquids, Solids & Intermolecular ForcesWorksheetSee all chapters

# Heating and Cooling Curves

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Sections
Molecular Polarity
Intermolecular Forces
Intermolecular Forces and Physical Properties
Clausius-Clapeyron Equation
Phase Diagrams
Heating and Cooling Curves
Atomic, Ionic, and Molecular Solids
Crystalline Solids
Simple Cubic Unit Cell
Body Centered Cubic Unit Cell
Face Centered Cubic Unit Cell

Heating and Cooling Curves represent amount of heat (q) absorbed or released by a substance during phase changes.

###### Heating & Cooling Curves

Concept #1: Introduction to Heating and Cooling Curves

Concept #2: Temperature Changes vs Phase Changes

Example #1: Identify line segment on the diagram where specific heat of liquid water is used to calculate energy flow.

Concept #3: Calculations with Heating & Cooling Curves

Example #2: How much total energy (J) is required to convert 55.8 g of ice at -5 ºC to a gas at 100 ºC?

Practice: How much energy (kJ) is required to convert a 76.4 g acetone (MM = 58.08 g/mol) as a liquid at -30°C to a solid at -115.0°C?

Practice: If 53.2kJ of heat are added to a 15.5g ice cube at - 5.00 oC, what will be the resulting state and temperature of the substance? 