Chemistry (3.2): Physical chemistry
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Last updated 11:05 AM on 6/19/24
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30 Terms
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chemical enegy
potential energy that lies with chemcial bonds
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Enthalpy
thermal energy that is stored in a chemical system
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law of conservation of energy
energy cannot be created or destroyed, only transferred
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heat loss in a chemical system =
heat gain to the surroundings (accompanied by temp increase)
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heat gain in a chemical system =
heat loss from the surrounding (accompanied by temp decrease)
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enthalpy change =
enthalpy of products - enthalpy of reactants
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sign of the enthalpy change of exothemic reactions
negative
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Change in heat
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Note 
Flashcards (47)