Conjugate Pairs
What is a conjugate acid?
What is when a base gains a proton (H+ ion)
What does the acid dissociation constant (Ka) measure for an acid?
What is the degree of ionization or the strength of an acid in a solution?
In the Brønsted-Lowry theory, what is the definition of an acid?
What is a substance that donates a proton (H+)?
What determines the strength of an acid in aqueous solution?
What is the concentration of H+ ions it produces in solution?
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What is a conjugate base?
What is when an acid donates a proton (H+)?
What is the equation used to calculate the acid dissociation constant (Ka) for a weak acid?
What is [H+][A-] / [HA]?
According to the Brønsted-Lowry theory, what is the role of a base in an acid-base reaction?
What is a substance that accepts a proton (H+)?
Which of the following is a stronger acid: one with a lower or higher pKa value?
pka=-log(Ka)
What is a lower pKa value indicates a stronger acid?
What does SI stand for?
What is supplemental instruction?
What is the definition of a conjugate acid-base pair?
What is a pair of two substances related by the gain or loss of a single proton (H+)?
If the Ka value for an acid is 1 x 10^-3, what can you conclude about its strength?
What is that it's a weak acid since Ka is relatively small?
What is a Bronsted-Lowry acid-base reaction?
What is the transfer of a proton (H+)?
In the context of bases, are hydroxide ions (OH-) typically associated with strong or weak bases?
What is strong bases are associated with hydroxide ions (OH-)?
What are the names of your SI leaders?
In the reaction between acetic acid (CH3COOH) and water (H2O) to form acetate (CH3COO-) and hydronium (H3O+), identify the conjugate acid-base pairs.
What are CH3COOH/CH3COO- and H2O/H3O+ as conjugate acid-base pairs?
For a weak acid, why is the value of Ka much smaller compared to a strong acid with a similar concentration?
What is because a weak acid only partially ionizes, resulting in a lower concentration of H+ ions, and hence, a smaller Ka?
Explain the difference between Lewis and Brønsted-Lowry definitions of acids and bases.
What is Brønsted-Lowry is about proton transfer, while Lewis includes electron pair exchange in reactions?
Brønsted-Lowry Definition:
Lewis Definition:
What term is used to describe an acid that does not completely ionize in solution, resulting in a lower concentration of H+ ions?
What A Capella group is John in?
What is Eight Beat Measure?
For the reaction: H2PO4- + H2O ↔ H3O+ + HPO42-, determine the conjugate acid and base pairs
What is H2PO4-/HPO42- as a conjugate acid-base pair?
Calculate the Ka for an acid if its concentration is 0.01 M, and the concentration of its conjugate base is 0.1 M in a solution.
What is Ka = [H+][A-] / [HA] = (0.1)(0.1) / 0.01 = 1.0?
According to the Arrhenius theory, what characterizes an acid when it is dissolved in water?
What is that it increases the concentration of hydronium ions (H3O+) or hydrogen ions (H+) in the solution?
Strong bases often contain which ion, known for its ability to accept a proton (H+) in a reaction?
What is the hydroxide ion (OH-)?
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What is Peterson?