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Shermans 2sem ch20 finalreview
questions from second semester tests
25
Chemistry
10th Grade
06/03/2007

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Term
acid dissociation constant
Definition
Ka
Term
[H+] greater than [OH-]
Definition
acidic solution
Term
H3PO4
Definition
triprotic acid
Term
contains less solute than can theoretically be dissolved
Definition
unsaturated solution
Term
H3O+
Definition
hydronium ion
Term
[OH-] and [H+] = 1 x 10*-7
Definition
nuetral solution
Term
[OH-] greater than [H+]
Definition
alkaline solution
Term
the number of moles of solute dissolved in 1L of solution
Definition
molarity
Term
describes a substance that can act as both an acid and a base
Definition
amphoteric
Term
two substances that are related by the loss or gain of a single hyrogen ion
Definition
conjugate acid-base pair
Term
a solution in which the hydroxide-ion concentration is 1x10 *-5 M is
Definition
basic
Term
in a neutral solution, the [H+] is
Definition
equal to [OH-]
Term
the products of the self-ionization of water are
Definition
OH- and H+
Term
which of these solutions is most basic?
Definition
[H+] = 1 x 10*-11
Term
the formule of the hydrogen ion is often written as
Definition
H+
Term
what is the pH of a soluion in which the [H+]= 1 x 10*-12
Definition
12.0
Term
what is the pH of a .01M hydrochloric acid solution
Definition
2.0
Term
if more slovent is added to a solution
Definition
the molartiy decreases
Term
which of the following pairs consist of a weak acid and a strong base?
Definition
ethanoic acid, sodium hydroxide
Term
in the reaction NH4+ + H20 == blah blah blah water is acting as a
Definition
bronsted- lowry base
Term
a soluiton with a pH of 4
Definition
has a hydroxide-ion concentration of 1 x 10*-9M
Term
which of hte following operation usually makes a substance dissolve faster in a solvent?
Definition
all of the above
Term
the about of soduim cholride in 100 Ml of a 5.0M
Definition
NEVER TRUE
Term
As an open bottle of a carbonated beverage warms, the concentration of dissolved carbon dioxide decreases
Definition
ALWAYS TRUE AT
Term
an unsaturated solution contains less sloute than required for equillibruim
Definition
ALWAYS TRUE AT
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