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25 Cards in this Set
- Front
- Back
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Keq is never:
negative or positive? |
Negative
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delta pKa =
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-log Keq
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Weaker acid has higher or lower pKa?
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higher pKa
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The closer an electonegative atom is to the main H, the (higher or lower) the acidity?
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Higher acidity
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Overlap of atoms of similar size results in a (higher/lower) bond strength?
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Higher
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Lewis acid
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accepts electon pair
(acid accepts) |
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Lewis base
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donates electron pair
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Higher s character means better positive interaction because __________________
___________. |
the electron closer to nucleus, thus the electronegativity is higher and the acidity is higher.
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Ka =
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[H+][A-]/[HA]
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pKa=
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-log(subscript 10)Ka
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A strong acid ionizes completely. T/F
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T
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Acids are _______ donors.
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Acids are proton donors.
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Acids produce ____ in aqueous solutions.
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Acids produce H+ in aqueous solutions.
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Acids are ______ acceptors.
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Acids are electron acceptors.
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Acids have a pH ______ than 7.
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Acids have a pH less than 7.
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The larger the Ka the ______the acid.
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The larger the Ka, the weaker the acid.
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______ bases ionize completely.
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Strong bases ionize completely.
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Bases accept ______.
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Bases accept protons.
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Bases produce ____ in aqueous solutions.
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Bases produce OH- in aqueous solutions.
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Bases have a pH ______ than 7.
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Bases have a pH greater than 7.
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Higher electonegativity = _______ acidity.
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Higher electronegativity = higher acidity.
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Lower bond association energy = ______ acidity.
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Lower bond association energy = higher acidity.
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Similar sized atoms have _______ bond strength.
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Similar sized atoms have stronger bond size.
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AH +B-= A- + BH
Conj acid? Keq= |
BH
[A-][BH]/[AH][B-] |
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10^(-pKa) of reactant/10^(-pKa) of product =
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pKeq
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