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CHEM bases, acids, and solutions
for slaughterhouse
60
Chemistry
10th Grade
04/22/2012

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Term
How to find molarity???
Definition
1. weigh out in grams
2. put it in a flask or beaker
3. dilute it to 1 L (with distilled water)
Term
What is the equation for determining molarity or concentration?
Definition
V X M = V X M
Term
Define: MOLARITY
Definition
the concentration of a solution expressed as moles of solute/per liter of solution
Term
define: IMMISCIBLE
Definition
not mixable
Term
MISCABLE
Definition
mixable
Term
CONCENTRATED
Definition
large amt of solute
Term
DILUTE
Definition
small amt of solute
Term
SUPERSATURATED SOLUTION
Definition
contains more than the maximum amt of solute for a given amt of solvent
Term
UNSATURATED SOLUTION
Definition
contains less than the maximum amt of solute for a given amt of solvent
Term
SATURATED SOLUTION
Definition
contains the maximum amt of solute for a given quantity of solvent
Term
FACTORS WHICH DETERMINE SOLUBILITY?
Definition
-stirring or agitation
-temperature increase
-smaller particle size
Term
SOLUBILITY
Definition
The amt of solute that can be dissolved in a given amt of solvent
and
the property of a substance to dissolve in another
Term
SOLUTE
Definition
the component of a solution which is dissolved in the other
Term
SOLVENT
Definition
The component of a solution which dissolves the other
Term
ACID/BASE TEST:
taste
Definition
a-sour
b-bitter
Term
ACID/BASE TEST:
litmus
Definition
a-red
b-blue
Term
ACID/BASE TEST:
PHENOPHTHALEIN
Definition
a-clear
b-pink
Term
ACID/BASE TEST:
ELECTROLYTE
Definition
a-yes
b-yes
Term
ACID/BASE TEST:
reaction w/ water
Definition
a-forms hydronium ion, H3 O+
b-forms hydroxide ion, OH-
Term
ACID/BASE TEST:
reaction w/ metals
Definition
a-forms metallic salt + H2
b-none
Term
ACID/BASE TEST:
reaction w/ carbonates
Definition
a-evolves CO2
b-none
Term
DISSOCIATION
Definition
the breaking up of an acid or bases into its constituent ions
Term
STRONG ACIDS
Definition
-compounds of hydrogen combined w/ a halogen
-or NO3-, SO4--, or CLO4-
-All these exhibit a high rate of dissociation making them good electrolytes
Term
WEAK ACIDS
Definition
-compounds of hydrogen combined with CO3--, PO4---, C2H3O2-
-These exhibit a moderate to low rate of dissociation
Term
STRONG BASES
Definition
-hydroxides of alkali and alkaline earth metals.
-All exhibit a high rate of dissociation making them good electrolytes
Term
WEAK BASES
Definition
NH4OH, Al(OH)3, Fe(OH)3. These exhibit a moderate to low rate of dissociation
Term
pH:
Definition
the measurement of the number of H30+ (H+) ions in an acid solution or OH- ions in a basic solution
Term
the pH range??
Definition
strong acids-->1 2 3<-- 4 5 6 neutral 8 9 10 11 -->12 13 14<--strong bases
Term
In numerical representation, pH is defined as...
Definition
the negative log of the hydronium ion of an acid solution, or the negative log of the hydroxide ion concentration of a basic solution
Term
POLYPROTIC ACID
Definition
an acid which donates more than 1 hydrogen ion when it dissociates
Term
POLY HYDROXIC BASE
Definition
a base which donates more than 1 hydroxide ion when ti dissociates
Term
ACID-BASE DEFINITIONS:
arrehnius
Definition
a-H+ producer
b-OH- producer
Term
ACID-BASE DEFINITIONS:
bronstead/lowry
Definition
a-H+donor
b-H+acceptor
Term
ACID-BASE DEFINITIONS:
lewis
Definition
a-electron pair acceptor
b-electron pair donor
Term
INDICATOR
Definition
a substance which changes color in the presence of an acid or a base
Term
CONJUGATE ACID
Definition
the particle formed when a base gains an H+ ion
Term
CONJUGATE BASE:
Definition
the particle remaining when an acid has donated an H+ ion
Term
CONJUGATE ACID-BASE PAIR
Definition
two substances related by the loss or gain of a single H+ ion
Term
BUFFER
Definition
-A solution of weak acid and one of its salts,
-or a weak base and one of ts salts. --Buffer solutions resist changes in pH.
Term
NEUTRALIZATION REACTIONS
Definition
Reactions of acids and bases to produce salts and water
Term
How does one name a base?
Definition
1. name the metal
2. add "hydroxide"
Term
Name 3 polyhydroxic bases
Definition
Mg(OH)2, Al(OH)3, Fe(OH)3, Ca(OH)2, Sr(OH)2
Term
name 3 strong bases (Formulas/examples)
Definition
LiOH, KOH, NaOH
Term
name 3 moderate bases
Definition
Mg(OH)2, Ca(OH)2, Sr(OH)2
Term
Define: BINARY ACIDS
Definition
molecules composed of hydrogen and one or more electronegative elements
Term
binary acid formulas always begin with (examples!)
Definition
Hydrogen
HCl, HBr, HF<-- weak acid
Term
Define: oxoacids
(examples!)
Definition
Molecules composed of H, O, and a third element
HNO3, H2SO4, H3PO4
Term
Acids dissociate when ____, forming ____
Definition
hydrolyzed
positive hydrogen ions and negative anions
Term
Name three strong acids:
one must be polyprotic
must name charges on all three
must name/give formula/reaction for all three
Definition
-Hydrochloric acid...H+ + Cl- = HCl
-Sulfuric acid...H+ + SO4-- = H2SO4 <---POLYPROTIC
-Nitric acid...H+ + NO3- = HNO3
Term
Name three weak acids:
two must be polyprotic
must name charges on all three
must name/give formula/reaction for all three
Definition
-phosphoric acid...H+ + PO4---=H3PO4 <--polyprotic
-carbonic acid... H+ + CO3-- = H2CO3 <--polyprotic
-acetic acid...H+ + C2H3O2- = C2H3OOH
Term
Define: acid
Definition
proton + anion
Term
define: base
Definition
base + cation
Term
When the anion in an acid ends in "ide," how do you name it?
Definition
1. begin the name w/ "hydro"
2. change the anion name ending to "ic"
Term
When the anion in an acid ends in "ite," how do you name it?
Definition
write the anion root + "ous"
Term
When the anion in an acid ends in "ate," how do you name it?
Definition
write the anion root + "ic"
Term
Define: the ionization constant
Definition
the ratio of
the product of
the concentrations
of the dissociated ions
of an acid or base
to the concentration
of the undissociated acid or base
Term
Define: the ionization constant for an aicd:
Definition
Ka = [H+][Anion]
___________________
[HA] ...meaning acid molarity
Term
Define: the ionization constant for a base
Definition
Kb = [OH-][Cation]
________________________
[Cation OH]...meaning base molarity
Term
As ___ increases, the acid or base is stronger
Definition
Ka or Kb
Term
For monoprotic acids and monohydroxic bases, what is different about the ionization constant?
Definition
the numerator of both expressions is = to [H+]squared for acids [OH-]squared for bases
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