CHM1100 Midterm Exam Useful Information

Conversion Factors Fundamental Constants & Equations Avogadro’s Number, NA = 6.022 x 1023 mx = a1m1 + a2m2 + a3m3 + . . . F = ma Weight = mg d = mV Work = Fd % mass X = mass of Xmass of material containing X100 F = kQ1Q2d2 ZAXQ N = A-Z E = Z-Q TK = TC + 273.15 TC = 5(oF-32)9 TF = oCx95+32 g = 9.81 m/s2 qe = -1.602 x 10-19 C me = 9.109 x 10-28 g 4.184 J = 1.00 calorie Mass % = mass componentmass of mixture100 Volume % = volume of componentvolume of mixture100 Quantum Theory & Electronic Structure of the Atom c = 2.998 x 108 m/s h = 6.626 x 10-34 J s RH = 2.18 x 10-18 J 1 x 109 nm = 1 m 1 x 1010 Å = 1 m c = ?