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152 Key Formulas

# 602 x 1019 c m 1673 x 1027 kg chapter 16 microscopic

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Unformatted text preview: .988 x 109 Nm2/C2 4 πε 0 charged particles: electron: q = –1.602 x 10–19 C m = 9.109 x 10–31 kg proton: q = +1.602 x 10–19 C m = 1.673 x 10–27 kg Chapter 16: Microscopic Description of Matter € TKelvin = TCelsius + 273.15 n= € € Ideal gas law N NA M n= M mol € Chapter 17: Work, Heat and the First Law First law of thermodynamics: ΔEth = W + Q Temperature change (solids and liquids): Q = McΔT phase change: Q = ± ML calorimetry: ∑ Qi = 0 Temperature change (gas) € isochoric: Q = nCVΔT isobaric: Q = nCPΔT Key formulas 3 CP – CV = R γ= pV diagrams: CP CV Heat transfer W = – area under curve € Adiabatic process (Q = 0) piViγ = pfVfγ conduction: radiation: TiViγ −1 = TfVfγ −1 Chapter 18: The Micro/Macro Connection € € Molar specific heats: CV = € Thermal energy Eth = nCVΔT f f +2 R ; CP = R 2 2 rms speed C f +2 γ= P = CV f v rms = € monatomic: f = 3; diatomic: f = 5 3k BT = m 3RT 3P = M mol ρ BASIC GAS PROCESSES € € Stays Constant Work Heat V and p T W = 0 Q = nCV ΔT p and V T W = − pΔV = −nRΔT € Q = nCP ΔT T and pV ȹ V ȹ W = −nRT lnȹ f € ȹ ȹ Vi Ⱥ ȹ V ȹ Q = +nRT lnȹ f ȹ ȹ Vi Ⱥ Q = 0 pV γ , € W = ΔE th = nCV ΔT € Q = 0 — — € W = − ∫V pdV Process Definition isochoric ΔV = 0 isobaric Δp = 0 isothermal ΔT = 0 adiabatic...
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