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Chemistry Reference Data

These formulas will be given on EOC Exam

D = m/V	D = Density m = mass V = volume
K = ° C + 273	K = kelvin
V₁P₁T₂ = V₂P₂T₁ P_T = P₁ + P₂ + P₃… PV = nRT u₁/u₂ = Ö mw₂/Ö mw₁	T = temperature P = pressure V = volume R = universal gas constant u = rate of effusion mw = molecular mass
M = moles of solute/liter of solution nM₁V₁ = nM₂V₂	M = molarity n = number of moles of ions
q = mD TC_p q = H_fusm	q = quantity of heat D T = change in temperature C_p = specific heat H_fus = heat of fusion m = mass
c = l f E = hf	c = speed of light l = wavelength f = frequency E = energy h = Planck's constant
pH = - log [H⁺] pOH = - log [OH^-] K_w = [H⁺][OH^-] = 1 x 10^-14	K_w = equilibrium constant for the ionization of water
% error = \|error\| x 100 accepted value	Yield = Actual - Theoretical x 100% Theoretical

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Prepared with the support and help of the North Carolina Department of Public Instruction.






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