clonate 8. Which of the following species can be both Bronsted-Lowry acids and (Hf) Bronsted-Lowry bases? Θ if B.L.B H₂O NH₂ CH3-C-CH3 CH + H3O 11 A accept H. нн N III, IV b) II, IV (c) III d) I, IV 9. Consider the equilibrium PO4 + H₂O HPO4 + он- Not a bronsted, base Which are the Bronsted-Lowry bases? PO4 PO4 C) P04 and and OH- HPO4 and H₂O D) H₂O and он- E) H₂O and HPO4 10- For the equilibrium CH3NH3 + + Acid H2O base the two substances which are both acids are: A) H₂O and B) CH3NH3+ and H3O+ H₂O C) CH3NH3+ and CH3NH2 H3O+ +++ H30 f120+++ C. A/Acid CH3NH2 C.B/ base + CH3NH3+ + and H3O+ E) CH3NH2 and H₂O CH3NH3³ gives 1 H to H₂D, thus CH3NH3+ acts as an acid || For the following reaction, choose the set that represents the correct order (left to right) of species 1-4 in the following reaction and predict the direction of the equilibrium. (pKa =-9 for 1, pKa = -7 for 4) H2SO4 + CH3COOH · +OH the position of 1 2 pKa=476 HSO 3 + CH3-C-OH 4 an equilibrium A. acid + base base + acid B. acid+base base + acid C. acid + base base + acid D. acid + base acid + base E. acid + base acid + base favors a weaker acid and a weaker base Stronger acid + Stronger base weaker acid + weaker base 4
clonate 8. Which of the following species can be both Bronsted-Lowry acids and (Hf) Bronsted-Lowry bases? Θ if B.L.B H₂O NH₂ CH3-C-CH3 CH + H3O 11 A accept H. нн N III, IV b) II, IV (c) III d) I, IV 9. Consider the equilibrium PO4 + H₂O HPO4 + он- Not a bronsted, base Which are the Bronsted-Lowry bases? PO4 PO4 C) P04 and and OH- HPO4 and H₂O D) H₂O and он- E) H₂O and HPO4 10- For the equilibrium CH3NH3 + + Acid H2O base the two substances which are both acids are: A) H₂O and B) CH3NH3+ and H3O+ H₂O C) CH3NH3+ and CH3NH2 H3O+ +++ H30 f120+++ C. A/Acid CH3NH2 C.B/ base + CH3NH3+ + and H3O+ E) CH3NH2 and H₂O CH3NH3³ gives 1 H to H₂D, thus CH3NH3+ acts as an acid || For the following reaction, choose the set that represents the correct order (left to right) of species 1-4 in the following reaction and predict the direction of the equilibrium. (pKa =-9 for 1, pKa = -7 for 4) H2SO4 + CH3COOH · +OH the position of 1 2 pKa=476 HSO 3 + CH3-C-OH 4 an equilibrium A. acid + base base + acid B. acid+base base + acid C. acid + base base + acid D. acid + base acid + base E. acid + base acid + base favors a weaker acid and a weaker base Stronger acid + Stronger base weaker acid + weaker base 4
Chemistry by OpenStax (2015-05-04)
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ISBN:9781938168390
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Chapter14: Acid-base Equilibria
Section: Chapter Questions
Problem 49E: What two common assumptions can simplify calculation of equilibrium concentrations in a solution of...
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(SE EX 2) Problems 8-11, can you please explain them to me in detail and color-code anything if necessary?
Transcribed Image Text:clonate
8. Which of the following species can be both Bronsted-Lowry acids and (Hf)
Bronsted-Lowry bases?
Θ
if
B.L.B
H₂O
NH₂
CH3-C-CH3
CH
+
H3O
11
A accept H.
нн
N
III, IV
b) II, IV
(c) III
d) I, IV
9.
Consider the equilibrium
PO4
+ H₂O
HPO4
+ он-
Not a bronsted,
base
Which are the Bronsted-Lowry bases?
PO4
PO4
C) P04
and
and OH-
HPO4
and
H₂O
D) H₂O and он-
E) H₂O and
HPO4
10-
For the equilibrium
CH3NH3 + +
Acid
H2O
base
the two substances which are both acids are:
A) H₂O and
B) CH3NH3+
and
H3O+
H₂O
C) CH3NH3+
and
CH3NH2
H3O+
+++
H30 f120+++
C. A/Acid
CH3NH2
C.B/
base
+
CH3NH3+ +
and H3O+
E) CH3NH2
and H₂O
CH3NH3³ gives 1 H to H₂D, thus CH3NH3+ acts as an acid
|| For the following reaction, choose the set that represents the correct order (left to right) of species 1-4
in the following reaction and predict the direction of the equilibrium.
(pKa =-9 for 1, pKa = -7 for 4)
H2SO4 + CH3COOH ·
+OH
the position of
1
2 pKa=476
HSO
3
+
CH3-C-OH
4
an equilibrium
A. acid + base
base + acid
B. acid+base
base + acid
C. acid + base
base + acid
D. acid + base
acid + base
E. acid + base
acid + base
favors a weaker
acid and a weaker
base
Stronger acid
+
Stronger base
weaker acid
+
weaker base
4
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