important equations chem112H Exam1

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Calculus - Geometry

user_hassanuml Created by 6 mon ago

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m/s

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1/s

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1/Ms

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k=Ae^(-Ea/RT)

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ln (k2/k1) = (Ea/R)(1/T1 - 1/T2)

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-Ea/R

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-d[A]/dt =k

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-d[A]/dt = k[A]

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-d[A]/dt = k[A]^2

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[A]t - [A]o=-kt

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ln([A]t/[A]o)=-kt

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1/[A]t-1/[A]o=kt

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t1/2 = [A]o/2k

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.693/k

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1/[A]oK

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Psolution = Xsolvent x Psolvent

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P = PaXa+PbXb+...

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ln(p1/p2)=(-ΔHvap/R)(1/T2-1/T1)

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moles of solute/liters of solution

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moles of solute/kg of solvent

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∆Tb = i(Kb)m (∆Tb is the increase in BP, i is van't Hoff factor, Kb is proportionality constant characteristic of a particular solvent, m is molality)

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∆Tf = i(Kf)m (∆Tf is the decrease in FP, i is van't Hoff factor, Kf is proportionality constant characteristic of a particular solvent, m is molality)

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pi=MRT (M=molarity of solution, R = .0821, T= temp in K, i = Vant Hoff Theorem)

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