Acid-Base Theories
Hydrogen Ions and Acidity
Strengths of Acids and Bases
Neutralization Reactions
Salts in Solutions
100
Arrhenius
Who believed acids and bases could be producers?
100
Water molecules produce ions
What is self-ionization?
100
Name the characteristic of a strong acid.
Completely ionized in aqueous solution.
100
Name a fun salt and its function.
Ammonium Sulfate → Fertilizer Calcium Chloride → De-icing roadways and sidewalks Sodium Hydrogen Carbonate → Antacid
100
Most salt solutions are...
Neutral
200
BrØnsted-Lowry
Who believed that acids and bases are donors/acceptors?
200
Ion product constant for water
What is H x OH = 1.0 x 10E -14?
200
What type of Ka value do weak acids have?
Small Ka values
200
What is a salt?
Salts are compounds consisting of an anion from an acid and a cation from a base.
200
Strong Acid + Strong Base = ????
Neutral solution
300
Lewis
Who believed acids and bases are acceptors and donors with electron pairs?
300
How do you find pOH and pH?
What is taking the negative logarithm?
300
What is the base dissociation constant Kb?
ratio of the concentration of the conjugate acid times the concentration of the hydroxide ion to the concentration of the base
300
What is a neutralization reaction?
Reactions in which an acid and a base react in an aqueous solution to produce salt and water.
300
Weak Acid + Strong Base = ???
Basic
400
HCl, NH4, H20
What is a common conjugate acid-base pair?
400
Acids and bases have different colors in different solutions?
What are indicators?
400
What is a characteristic of a strong base?
Dissociate completely into metal ions and hydroxide ions in aqueous solution
400
Point of neutralization is the ___ of the titration
end point
400
Finish the sentence: Salts that produce basic solutions...
contain negative ions that attract protons for water
500
Acids: Taste sour Changes the color of an acid-base indicator Strong or weak electrolytes in aqueous solutions Bases:Taste bitter Changes the color of an acid-base indicator Strong or weak electrolytes in aqueous solutions Feels slippery
What are the characteristics of acids and bases?
500
Amount of H+ atoms with relationship to constant 1 X 10e-7
What is the scale for measuring solutions? Acidic solution: H+ are greater than OH-, > 1 X 10e-7 Basic/Alkaline Solutions:H+ are less than OH-, < 1 X 10e-7 Neutral: Ions are equal to each other
500
How do you calculate the dissociation constants?
Substitute the measured concentrations of all the substances present at equilibrium into the expression for Ka or Kb.
500
The first step in a neutralization reaction is...
A measured volume of an acid solution of unknown concentration is added to a flask.
500
What is a buffer?
A solution in which the pH remains relatively constant when small amounts of acid or base are added.