Set: Chemistry: Acids & Bases

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All 17 Terms

Term Definition
Acid (S.A. Arrhenius definition) A substance that ionizes in water and produces hydrogen ions (H+ ions). For instance, HCl is an acid.
Base (S.A. Arrhenius definition) A substance that ionizes in water and produces hydroxide ions (OH- ions). For instance, NaOH is a base.
Acid (Brønsted-Lowry definition) A substance that is capable of donating a proton (H+ ion).
Base (Brønsted-Lowry definition) A substance that is capable of accepting a proton (H+ ion).
Conjugate Pair The species with the H+ ions is the acid, and the same species without the H+ ion is the base.
Water (acidity of) Can act either as an acid or a base.
Acid (G.N. Lewis definition) An electron pair acceptor.
Base (G.N. Lewis definition) An electron pair donor.
pH = (concentration measurement) -log [H+]
pOH = (concentration measurement) -log [OH-]
pKa = (concentration measurement) -log Ka
pKb = (concentration measurement) -log Kb
When [H+] = [OH-] The solution is neutral, and pH = 7.
When [H+] is greater than [OH-] The solution is acidic, and pH is less than 7.
When [H+] is less than [OH-] The solution is basic, and pH is greater than 7.
When pH increases [H+] decreases, which means that there are fewer H+ ions floating around and the solution is less acidic.
When pH decreases [H+] increases, which means that there are more H+ ions floating around and the solution is more acidic.

Set Information

Terms 17
Creator willyumovru
Created June 25, 2008
Groups None
Tags chemistry, ap, sat subject, acids, bases
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Most Missed Words

  1. Conjugate Pair → The species with the H+ ions is the acid, and the same species without the H+ ion is the base. - 2 misses
  2. Water (acidity of) → Can act either as an acid or a base. - 2 misses
  3. pOH = (concentration measurement) → -log [OH-] - 1 miss
  4. pKb = (concentration measurement) → -log Kb - 1 miss
  5. When [H+] is greater than [OH-] → The solution is acidic, and pH is less than 7. - 1 miss
  6. When [H+] is less than [OH-] → The solution is basic, and pH is greater than 7. - 1 miss
  7. When pH increases → [H+] decreases, which means that there are fewer H+ ions floating around and the solution is less acidic. - 1 miss