Question
In: Chemistry
Discuss effects of structure and of the medium on the strengths of acids and bases. Use...
Discuss effects of structure and of the medium on the strengths of acids and bases. Use examples to illustrate your explanation.
Solutions
Expert Solution
To compare the strenght of acids, we examine their conjugate bases. A congugate base is stronger if it is able to share its electron pair. Because they influence electron density,the following structural effects influence basicity.Dispersion of negative charge in a conjugate base helps it to stabilize. Thus any factor influencing charge dispersion becomes a factor increasing the acidity of the acid.
Following is the order of the factors affecting the conjugate base to stabilize: structural effects -
inductive effect<electronegativity<atomic size<resonance
The medium also affects the strength of the acids and bases. The solvent that helps stabilizing the conjugate base is the one that helps in increasing the acidity. The stabilizing factors are -
H-bonding> ion-dipole interacton etc.
queen_honey_blossom answered 1 year agoRelated Solutions
Unlike strong acids and bases that ionize completely in solution, weak acids or bases partially ionize....
Unlike strong acids and bases that ionize completely in
solution, weak acids or bases partially ionize. The tendency to
ionize (i.e., the ionic strength) of a weak acid or base can be
quantified in several ways including
Ka or Kb,
pKa or pKb,
and percent ionization.
Part A
Pyridine is a weak base that is used in the manufacture of
pesticides and plastic resins. It is also a component of cigarette
smoke. Pyridine ionizes in water as follows:
C5H5N+H2O⇌C5H5NH++OH−
The...
1. List the seven strong acids and strong bases. Strong acids: Strong Bases: 2....
1. List the seven strong acids and strong bases.
Strong acids:
Strong Bases:
2. If the titration of a 25.0 mL sample of acetic acid requires
34.45 mL of 0.30 M calcium hydroxide, what is the concentration of
the acid?
a. Write the balanced equation first:
b. Now, show your work:
3. If 25.0 mL of .175 M nitric acid neutralizes 50.0 mL of
ammonium hydroxide, what is the molarity of the base?
a. Write the balanced equation...
Unlike strong acids and bases that ionize completely in solution, weak acids or bases partially ionize....
Unlike strong acids and bases that ionize completely in
solution, weak acids or bases partially ionize. The tendency of a
weak acid or base to ionize can be quantified in several ways
including
Ka or Kb,
pKa or pKb,
and percent ionization*.
*This assumes that species of equal concentrations are being
compared as percent ionization is affected by concentration.
Part A
Pyridine is a weak base that is used in the manufacture of
pesticides and plastic resins. It is also...
Unlike strong acids and bases that ionize completely in solution, weak acids or bases partially ionize....
Unlike strong acids and bases that ionize completely in
solution, weak acids or bases partially ionize. The tendency of a
weak acid or base to ionize can be quantified in several ways
including
Ka or Kb,
pKa or pKb,
and percent ionization*.
*This assumes that species of equal concentrations are being
compared as percent ionization is affected by concentration.
Part A
Pyridine is a weak base that is used in the manufacture of
pesticides and plastic resins. It is also...
what are some weak acids and weak bases? and how do conjugate acids and bases work?...
what are some weak acids and weak bases? and how do conjugate acids
and bases work? how do i find what is a buffer and what is not a
buffer?
1: classify the below list as Strong acids Weak acids Strong bases Weak bases HNO2...
1: classify the below list as Strong acids Weak
acids Strong bases Weak bases
HNO2
HCl
LiOH
HClO4
Ca(OH)2
NH3
HCN
Na3PO4
2:classify as forward or
reverse favored reaction
CH3COOH(a q)+H2O(l)⇌CH3COO−(aq)+H3O+(aq)
H2SO4(l)+H2O(l)⇌H3O+(aq)+HSO4−(aq)
HCN(l)+H2O(l)⇌CN−(aq)+H3O+(aq)
HCl(l)+OH−(aq)⇌H2O(l)+Cl−(aq)
Discuss in extensive detail the Brønsted-Lowry model of acids and bases including equations for the -...
Discuss in extensive detail the Brønsted-Lowry model of acids
and bases including equations for the - a. The definition of
Brønsted-Lowry acids and bases b. Application of this model to
non-aqueous solvents and gas phase reactions c. Relation between
acid-strength and solvents d. Factors that influence the strengths
of acids and bases
Explain the inductive affect in acids and bases
Explain the inductive affect in acids and bases
Strong acids and bases completely dissociate in water. Use the table in the introduction to classify...
Strong acids and bases completely dissociate in water. Use the
table in the introduction to classify the following chemical
compounds as strong acids, weak acids, strong bases, and weak
bases.
Part A
H3PO4(aq) and KOH(aq)
Express your answer as a chemical equation including phases.
Part B
HI(aq) and LiOH(aq)
Express your answer as a chemical equation including phases.
Part C
HNO3(aq) and Cu(OH)2(s)
Express your answer as a chemical equation including phases.
Discuss the strengths and weaknesses of the structure of government in the United States of America....
Discuss the strengths and weaknesses of the structure of
government in the United States of America. Please provide your
understanding of the three branch of government as well as your
views on whether they conflict with States rights.
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