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Chap18

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o1234567889q's version from 2018-03-24 12:15

Section

Question Answer
Thermodynamicsthe study of heat and other forms of energy involved in chemical or physical processes
The first law of thermodynamicsis essentially the law of conservation of energy applied to a thermodynamic system
Recall that the internal energy, U, isthe sum of the kinetic and potential energies of the particles making up the system
internal energy equationDU=Uf-Ui
what are two types of exchanges of energy between a system and its surroundingsheat (q), and work (w)
equation for first law of thermodynamicsDU=q+w (ΔU is the total change in internal energy of a system)
when heat is evolved (given off) by the system and q is negative, the internal energy of the system isdecreased
memorize