General Chemistry I (CHM 2045) Potentially useful information Final Exam

1 inch = 254 cm 12 inches = 1 foot 5280 feet = 1 mile 1 yard = 3 feet 1 kg = 22046 lb 1 lb = 16 oz 1 gal = 37854 L 1 cm3 = 1 mL 60 seconds in 1 minute 60 minutes in 1 hour 1 week = 7 days C = 59 (F ndash 32) F = 95 C + 32 K = C + 27315 d = mV Atomic weight=Σ[(isotope mass)times(fract isotope abund)] NA = 6022times1023 mol-1 1 amu = 16605 times10-24 g Ek = frac12mv2 1 J = 1 kg m2s2 ΔE = q+w w = -P∆V w = Fd 1013 J = 1 Latm ΔH = ΔE + PΔV q = mCsΔT

qrxn = -Ccal ∆T 1 cal = 4184 J κ = 899109 JmC2

c = 300108 ms h = 662610-34 Js c = E = h λ= hmv ΔxΔ(mv) ge h4π Zeff = Z ndash S = Qr

1 D = 33410-34 Cm

RH = 1096776 107 m-1

PV = nRT

R = 008206 LatmmolK

R = 8314 JmolK

d = PMRT

Pt = P1 + P2 + P3 + hellip

1 atm = 760 torr = 760 mm Hg

1 atm = 101325 kPa

STP = 0C and 1 atm

P1 = (n1nt) Pt = X1Pt

119903

119903=

119872

119872

119906 =3119877119879

ℳ 119906 =

2119877119879

ℳ

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