2012 Study-Guide-1

U and h are only a function of t for ideal gases h u

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Unformatted text preview: ochoric process). U and H are only a function of T for ideal gases. H = U + PV (definition of Enthalpy, ALWAYS TRUE) dH = CP dT (ALWAYS TRUE for any process on ideal gases or for any isobaric process). CP - CV = nR (TRUE FOR IDEAL GASES ONLY) CVm = (3/2) R (TRUE FOR MONOATOMIC GASES) Pext = P (TRUE FOR REVERSIBLE PROCESSES + PROCESSES AT CONSTANT P) δq = 0 (TRUE FOR ADIABATIC PROCESSES dU = δqV (TRUE FOR ANY CONSTANT VOLUME (ISOCHORIC) PROCESS dH = δqP (TRUE FOR ANY CONSTANT PRESSURE (ISOBARIC) PROCESS PV = nRT (TRUE FOR IDEAL/PERFECT GASES ONLY) (P + a/Vm2)(Vm - b) = RT (TRUE FOR VAN DER WAALS GASES ONLY) Z = PVm / RT (DEFINITION OF COMPRESSION FACTOR) Z = 1 + B’(T) P + C’(T) P2 + D’(T) P3 + .... (VIRIAL EQUATION OF STATES) Z = 1 + B(T) / Vm + C(T) / Vm2 + D(T) / Vm3 + ....(VIRIAL EQUATION OF STATES) Mathematical Definition of Critical Po...
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This note was uploaded on 01/26/2014 for the course CHEM 3615 taught by Professor Aresker during the Spring '07 term at Virginia Tech.

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