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24 Cards in this Set
- Front
- Back
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Enthalpy |
delta H=sum(Hf(products))-sum(Hf(reactants)) |
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Change in Entropy (standard) |
delta S = q/T in (J/K) |
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Change in Entropy (Pressure Change) |
delta S = n*R*(ln(P1/P2)) R = 8.3145 (J/Kmol) |
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Change in Entropy (Volume Change) |
delta S = n*R*(ln(V2/V1)) R = 8.3145 (J/Kmol) |
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Change in Entropy (Temperature Change) |
delta S = C*(ln(T2/T1)) C: heat capacity |
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Entropy of Vaporization |
delta S(vap) = (delta H(vap))/Tb |
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Entropy of Fusion |
delta S(fus) = deltaH(fus)/T(fus) |
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Boltzman Statistical Entropy |
S = k(ln(W)) k: 1.381E-23 (J/K) W: number of arrangements |
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Molality |
m = (moles of solute)/(kg of solvent) |
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Freezing Point Depression |
delta Tf = (Kf)(m) Kf: freezing point depression constant |
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Standard Entropy (system) |
delta Srxn = sum(n(Sm){prod})-sum(n(Sm){react})
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Standard Entropy (surroundings) |
delta Ssurr = - ((deltaHsys)/T ) |
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Standard Entropy (Universe) |
delta Suni = (delta Ssys) + (delta Ssurr) |
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Gibb's Free Energy |
delta G = (delta H) - (T * delta S) |
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Mole Fraction of a Solute |
X(a) = n(a) / [n(a) + n(b)] |
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Vapor Pressure of a Solution |
Psoln = Xsolv * Psolv |
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Vapor Pressure Lowering of a Solution |
delta Psoln = Psolv * Xsolute |
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Change in Boiling Point |
delta Tb = i * Kb * m |
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Change in Freezing Point |
delta Tf = i * Kf * m |
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Osmotic Pressure |
pi = i * M * R * T R = 0.08206 ((L*atm)/(K*mol)) |
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Binary Liquid Vapor Pressure |
Ptot = Xa * Pa + Xb * Pb |
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Rate Law |
rate = k* [A]^m * [B]^n |
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Clausius' Vapor Pressure |
ln(P2/P1) = ( (delta Hvap)/ R) * ( (1/T1) - (1/T2) )
R = 8.3145 ( J/(K*mol)) |
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Henry's Law of Solubility |
S = Kh * P Kh: Henry's Constant |
