Conjugate HA/A-
Strength
Facts
Math
Concepts
100
What are the conjugate bases of the following: CH3COOH, H20, NH3, H2SO4
What is CH3COO-, OH-, NH2-, HSO4-
100
Which is the stronger acid? HF or HCl
What is HCl
100
Kw and value?
What is the equilibrium constant of the auto-ionization of water. Kw=10^-14
100
0.003=10^x
What is x=-2.52.
100
Chemical equilibrium and properties.
What is when rate of forward reaction = rate of reverse reaction. It is a dynamic equilibrium meaning it is always working to maintain equilibrium.
200
What are the conjugate acids of the following: NH3, H20, OH-, H2NCONH2?
What is NH4+, H30+, H20, H2NCONH3+
200
Which is the stronger acid? HClO3 or HBrO3
What is HClO3
200
[H30+ ] < [OH-]
What is a basic (aq) solution.
200
64=(x^2)/36
What is x=48
200
Factors that influence equilibrium.
What is addition/removal of product/reactant, temperature changes, pressure changes (volume changes).
300
Determine the Acid, Base, Conjugate Acid, and Conjugate Base of the following: HCl+H2O --> H3O+ + Cl-
What is Acid=HCl, Base=H20, C. Acid=H3O+, and C. Base=Cl-
300
Which is the stronger acid? HBrO3 or HBrO4
What is HBrO4
300
[H3O+] concentration if pH=3. Is this an acidic, basic, or neutral solution?
What is 10^-pH where pH=3. Acidic solution.
300
(x^4)/((5-x)^4)=81
What is x=15/4
300
log(1*10^0.007)
What is 0.007
400
Determine the Acid, Base, Conjugate Acid, and Conjugate Base of the following: NH3 + H20 --> NH4+ + OH-
What is Acid=H20, Base=NH3, C. Acid=NH4+, C. Base=OH-
400
Which is the weaker acid? HClO2 or HClO
What is HClO
400
What is the meaning of Q>K?
What is more products than at equilibrium, reaction will shift towards the left.
400
100=(x^2)/((x-50)^2)
What is x=500/9
400
Expression of K depending on x for the following reaction: A + B --> 2C when the initial concentrations of A and B are 2.0 M and no C is present.
What is (2x)^2/(2.0-x)^2
500
Determine the Acid, Base, Conjugate Acid, and Conjugate Base of the following: CH3COO- + H20 --> CH3COOH + OH-
What is Acid=H2O, Base=CH3COO-, C. Acid=CH3COOH, C. Base=OH-
500
Which of the following species is the strongest base? F- or Cl-?
What is F-
500
The strongest of Acid A (Ka=10^-5) or Acid B (Ka=10^-7).
What is Acid A.
500
sqareroot(87)=(0.75-x)/2x
What is x=0.038
500
Ka relation to Kb for a weak acid-base conjugate pair.
What is Ka*Kb=Kw=10^-14
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