13. Liquids, Solids & Intermolecular Forces
Heating and Cooling Curves
13. Liquids, Solids & Intermolecular Forces
Heating and Cooling Curves
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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?
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If 53.2kJ of heat are added to a 15.5 g ice cube at - 5.00 oC, what will be the resulting state and temperature of the substance?
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How much energy is released when 42.5 g of water freezes?
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What quantity of heat, in kj, is required to convert 50.0 g of ethanol (C₂H₅OH) at 23.0°C to a vapor at 78.3°C (its boiling point)? (specific heat capacity of ethanol = 2.46 J/g • c; ∆Hvap = 39.3 kJ/mol)
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Which is the process by which a gas changes to a solid: deposition, evaporation, freezing, or sublimation?
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What are greenhouse gases? How does carbon dioxide enter the atmosphere? (Site 1)
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