# Shared Flashcard Set

## Details

Physics GRE - Thermodynamics
Thermo
14
Physics
10/21/2012

Term
 Entropy: dS=
Definition
 =dQ/T
Term
 Thermal Efficiency of a heat engine: e= ec=   Refridgerator: e= ec=
Definition
 =W/Qh =1-Tc/Th   =W/Qc =Tc/Th-1
Term
Definition
 =W   PVγ=const
Term
 Internal Energy: dEint=
Definition
 =dQ+dW
Term
 Work done on a gas: W=
Definition
 =-∫PdV
Term
 Latent Heat: L=
Definition
 =Q/m
Term
 Heat: Q=
Definition
 =CΔT =mcΔT   (C=heat capacity) (c=specific heat)
Term
 Equation of State (Ideal gas):   PV=
Definition
 =nRT =NkBT   (N= number of molecules)
Term
 Change in size from temperature increase:   ΔL=   ΔV=
Definition
 =αLiΔT     =βViΔT   (β=3α)
Term
 Cp-Cv=       Cp/Cv=
Definition
 =R       =γ=5/3
Term
Definition
 =σAeT4   (σ=5.669E-8) (e=emissitivity)
Term
 Isothermal Process:   W=
Definition
 =-Q =nRT*ln(V0/Vf)
Term
 Isovolumetric Process:   ΔEint=
Definition
 =Q =nCvΔT
Term
 Isobaric Process: W=
Definition
 =-P(Vf-V0)
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