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22 Cards in this Set
- Front
- Back
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Equilibrium
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Rate of forward reaction equals to rate of reverse reaction
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Keq
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products/reactants
coefficients are exponents solids not included |
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Keq<1
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reaction favors reactants
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Keq = 1
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equilibrium
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Keq>1
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reaction favors products
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Reaction quotient
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Q, same as Keq w/out equilibrium
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Q<Keq
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reaction proceeds in forward directon
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Q=Keq
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equilibrium
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Q>Keq
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reaction proceeds in reverse direction
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Le Chateliers Principle
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If stress is applied to system, equilibrium will shift to relieve stress
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Adding product
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shifts equilibrium to the left
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Removing product
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shifts equilibrium to the right
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Adding reactant
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shifts equilibrium to the right
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Removing reactant
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shifts equilibrium to the left
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Decreasing volume
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Increasing pressure, favors side with the lower total # of moles of gas
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Increasing volume
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Decreasing pressure, favors side with the greater # of moles
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Increase temperature
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exothermic - shifts to left
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Decrease temperature
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exothermic - shifts to right
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Ion product
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reaction quotient for solubility reaction, Qsp
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Qsp<Ksp
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more salt can be dissolved
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Qsp=Ksp
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solution is saturated
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Qsp>Ksp
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excess salt will precipitate
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