AP Chem Unit 7 Mac Flashcards
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Last updated 12:48 PM on 4/25/23
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19 Terms
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K stands for
equilibrium constant
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K=
K=products/reactants
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Q stands for
reactant quotient
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Q=
Q=products/reactants
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Large K means
products favored
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What do you leave out of Q&K equations?
solids and liquids
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What do you do to K if reversing rxn?
1/k
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What do you do to K if doubling rxn?
k^2
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How do you find K of a mechanism?
multiply K values of each step
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increasing pressure shifts to…
side with more moles of gas
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if Q>K…
reactants favored
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Increasing products shifts…
to reactants
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Increasing temp shifts to…
endothermic side
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What ions are always soluble?
Group 1 cations, NH4+, NO3-
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solubility shortcut for XY
X^2
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Solubility shortcut for XY2
4x^3
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Solubility shortcut for XY3
27x^4
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Large x means
more soluble
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When does a precipitate form?
when Q>K
Note 
Flashcards (345)