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CHEM 205 Thermodynamics Notes

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Department
Chemistry
Course
CHEM 205
Professor
All Professors
Semester
Winter

Description
Thermodynamics • Thermodynamics=explains why reactions occur, and energy reaction generates or requires • KE=1/2mv^2 • V=potential Energy • Internal energy=U (molecular E) • Heat: q=mcT---is energy TRANSFER • Work: w=pV----is energy TRANSFER • Etotal=K+V+U o Energy is conserved, always! • Types of systems: o Open: Exchange of E, matter o Closed: Exchange of E only o Isolated: none. • State function: describes a property of a system: e g. PVT o TEMP: avg motion of molecules o Volume: size of container o Pressure=force exerted on or by system • Equation of state: equations that relate state functions. Eg. Ideal gas law • Laws of thermodynamics
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