1
0 K = −273.15 °C[°C] = ([°F] − 32)59[°F] = [°C]95 + 32
2
ΔL = αLΔTΔV ≈ 3αVΔTβ ≈ 3α
3
Q = CΔT = C(Tf − Ti)Q = cmΔTC = cm1 cal = 4.186 J
4
Q = LmLV = 2256 kJ/kgLF = 333 kJ/kg
5
dW = F · ds = (pA)ds = p dVW = ∫dW = ∫VfVi p dV
6
ΔEint = Eint,f − Eint,i = Q − WdEint = dQ − dWΔEint = Q + Won
7
: Q = 0 → ΔEint = −W: W = 0 → ΔEint = Q: ΔEint = 0 → Q = W: Q = W = ΔEint = 0
8
Pcond = Qt = kATH − TCLR = LkPrad = σεAT4
9
n = NNA = MsamMpV = nRT = NkTR = 8.31 J/(mol·K)k = RNA = 1.38 × 10−23 J/K
10
W = ∫VfVi nRTVdV = nRT lnVfViW = p(Vf − Vi) = pΔVV = const → W = 0
11
Δpx = −2mvxΔt = 2Lvxp = nM(v2)avg3Vvrms = 3RTM
12
Kavg = 32kTP(v) = 4π(M2πRT)3/2v2e−Mv2/(2RT)vp = 2RTM, vavg = 8RTπM, vrms = 3RTM
13
Eint = 32nRTQ = nCVΔT, CV = 32RQ = nCpΔT, Cp = CV + RΔEint = nCVΔT
14
12kTCV = f2Rγ = CpCV
15
pVγ = constTVγ−1 = constpiVγi = pfVγf
Where to go next
This page belongs to Physics 1. Later courses in the department take the same ideas much further.