C5 - Thermochemistry (Gen. Chem 1)
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Last updated 12:12 AM on 8/11/25
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8 Terms
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exothermic
heat transfers out of the system
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endothermic
heat transfers into the system
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state functions
property dependent upon a state, rather than an intrinsic property
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enthalpy
total heat content of a system
H = U + PV
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enthalpy of rxn
energy required for / released by a reaction
∆Hrxn = Hproducts - Hreactants
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calorimeter constant
Ccal = -qrxn/∆T
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Hess’s law
total enthalpy in a string of reactions is the sum of each step’s enthalpy change
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standard enthalpy of formation (∆Hº)
enthalpy associated w/ substance formation in their standard state
Note 
Flashcards (27)