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25 Cards in this Set
- Front
- Back
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Moles |
Mols = mass/Mr |
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Volumes and concentrations |
Mol = con x vol |
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Ideal Gas equation |
pV = nRT |
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% atom economy |
% atom economy = molecular mass of desired product/sum of molecular masses of all reactants (x100) |
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Enthalpy change |
q = mc^T |
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Kc |
Kc = [C]c[D]d/[A]a[B]b |
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Units of Kc |
Units of Kc = (mol dm-3)(c+d)/(mol dm-3)(a+b) |
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Enthalpy of solution |
^solH = ^LH+^HydH |
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Entropy Change |
^S = sum of entropy values of products - sum of entropy values of reactants |
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Gibbs Free Energy |
^G = ^H-T^S |
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Rate equation |
Rate = k[A]m[B]n |
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K equation |
K = rate/[A]m[B]n |
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Arrhenius equation |
K = Ae-(Ea/RT) |
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Arrhenius equation (graph) |
ln k = -Ea/RT + ln A |
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pH |
pH = -log10[H+] |
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[H+] |
[H+] = 10(-pH) |
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Kp |
Kp =p(C)c p(D)d/(A)a p(B)b |
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Partial pressure |
Partial pressure = mole fraction x total pressure |
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Kw |
Kw = [H+][OH-] |
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Ka |
Ka = [A-][H+]/[HA] |
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Dilutions |
New concentration of solution = amount in moles of solute/new total volume of solution (x1000) |
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Dilution factor |
Dilution factor = total volume after dilution/initial volume added |
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Energy change |
^E = hv |
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Speed of light |
C = vh |
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Rf |
Rf value = distance moved by spot/distance moved by solvent |
