Formula sheet of AP chemistry, Cheat Sheet of Chemistry

Download Formula sheet of AP chemistry and more Cheat Sheet Chemistry in PDF only on Docsity!

AP® CHEMISTRY EQUATIONS AND CONSTANTS Throughout the exam the following symbols have the definitions specified unless otherwise noted. L,mL = liter(s), milliliter(s) mmHg = millimeters of mercury g = gram(s) J,kJ = joule(s), kilojoule(s) nm = nanometer(s) Vv = volt(s) atm = atmosphere(s) mol = mole(s) ATOMIC STRUCTURE E = energy E=hv v = frequency e=av A = wavelength Planck’s constant, h = 6.626 x 104 Js Speed of light, c = 2.998 x 108 ms! Avogadro’s number = 6.022 x 1073 mol"! Electron charge, e = —1.602 x 107!? coulomb EQUILIBRIUM erp K, = tare where aA+bB @ cC+dD Equilibrium Constants Pe (Pry! K, (molar concentrations) K, = Coy Poy K, (gas pressures) (Px) Pp) K,, (weak acid) K = [H*][A7] K,, (weak base) “ [HA] K,, (water) — [OH”][HB*] Ky BI K,, = [H*][OH7] = 1.0 x 107! at 25°C = K,xK, pH = -log[H*], pOH = —log[OH] 14 = pH + pOH = [A7] pH = pK, + log [HA] pK, =—logK,, pK, = —logK, KINETICS In[A],—In[A]y = —kt 1 [A], [Alo 0.693 Iya =kt k = rate constant t=time ty, = half-life GO ON TO THE NEXT PAGE.