lecture14 - Chapter 5 Thermochemistry The Nature of Energy...

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Chapter 5 Thermochemistry Energy is conserved: Law of Conservation of Energy states that energy can be converted from one form to another but can be neither created nor destroyed. The Nature of Energy
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Definitions Thermochemistry - the study of how energy in the form of heat is consumed and produced by chemical reactions. Energy is the capacity to do work or to transfer heat. Work is done when a force moves an object through a distance. H 2 (g) + O 2 (g) H 2 O(l) + heat Definitions, continued Heat is energy that moves between objects because of a difference in their temperatures. At equilibrium, the objects will have the same temperature Heat transfer is the process of heat energy flowing from one object into another. Thermodynamics is the study of the relationships between chemical reactions and changes in heat energy.
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Work and Energy Potential: due to position or composition Stored energy; can be converted to work
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This note was uploaded on 11/18/2011 for the course CHE 131 taught by Professor Kerber during the Spring '08 term at SUNY Stony Brook.

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lecture14 - Chapter 5 Thermochemistry The Nature of Energy...

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