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info_Exam_1_Review - CHEM 152A Autumn 2010 Review for Exam...

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CHEM 152A – Autumn 2010 Review for Exam 1 Chapter 9: Energy, Enthalpy and Thermochemistry Section 9.1 – The Nature of Energy - General properties/trends of Kinetic and Potential Energy - Molecular kinetic energy and molecular potential energy; internal energy - Conservation of energy; system vs. surroundings - Methods of transferring energy between system and surroundings: heat and work - Exothermic and endothermic processes - Energy and sign conventions - Define PV-work - Extra Exercises: 9.16, 9.19, 9.21, 9.23 Section 9.2 – Enthalpy - Define enthalpy (H) - Change in enthalpy relation to heat flow at constant pressure - Sign convention for ΔH - Extra Exercises: 9.25, 9.27, 9.28 Section 9.3 – The Thermodynamics of Ideal Gases - Define the manner in which substances “store” heat energy: heat capacity (C V , C P ) - Mathematical form for ΔE and ΔH using C V and C P - State functions vs. process functions - Thermodynamic pathways - Extra Exercises: 9.33, 9.35 Section 9.4 – Calorimetry - Heat capacity - Specific heat capacity - Extra Exercises: 9.39, 9.41, 9.43, 9.44, 9.45 Section 9.5 – Hess’s Law
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