Question 1
In the balanced redox reaction:
2 C2H6(g) + 7 O2(g)  4 CO2(g) + 6 H2O(g),
which species is oxidized?
A)
B)
C)
D)
C2H6(g)
O2(g)
CO2(g)
H2O(g)
Question 1
In the balanced redox reaction:
2 C2H6(g) + 7 O2(g)  4 CO2(g) + 6 H2O(g),
which species is oxidized?
A)
B)
C)
D)
C2H6(g)
O2(g)
CO2(g)
H2O(g)
Question 2
The expression for the equilibrium constant,
K, for the general reaction:
a A + b B c C + d D is:
K = [C][D]
[A][B]
TRUE or FALSE?
Question 2
The expression for the equilibrium constant,
K, for the general reaction:
a A + b B c C + d D is:
K = [C][D]
[A][B]
TRUE or FALSE?
Question 3
Which species can be a Brønsted–Lowry
base?
A) CO32–
B) HBr
C) H2CO3
D) NH4+
Question 3
Which species can be a Brønsted–Lowry
base?
A) CO32–
B) HBr
C) H2CO3
D) NH4+
Question 4
Which species is the conjugate base of NH3?
A) NH4+
D) H2O
B) NH2
E) NH4OH
C) NH2–
Question 4
Which species is the conjugate base of NH3?
A) NH4+
D) H2O
B) NH2
E) NH4OH
C) NH2–
Question 5
Phosphorous-32 is used for organ imaging.
How many neutrons are in this radioisotope?
A) 15
B) 17
C) 32
D) 47
Question 5
Phosphorous-32 is used for organ imaging.
How many neutrons are in this radioisotope?
A) 15
B) 17
C) 32
D) 47
Question 6
The half-life (t1/2) of a radioactive isotope depends
on:
A) the amount of the radioisotope present.
B) the isotope.
C) the temperature.
D) the pressure.
E) All of the factors listed above.
Question 6
The half-life (t1/2) of a radioactive isotope depends
on:
A) the amount of the radioisotope present.
B) the isotope.
C) the temperature.
D) the pressure.
E) All of the factors listed above.
1
0
e
Question 7
In the galvanic cell created using zinc and copper
placed in zinc sulfate and copper (II) sulfate
solutions respectively, what is the standard
potential of the cell?
A)
B)
C)
D)
-0.76 V
+0.34 V
1.10 V
-0.42 V
Reduction Reaction
Zn2+ (aq) + 2e-  Zn (s)
E0 (v)
-0.76
Cu2+ (aq) + 2e-  Cu (s)
+0.34
1
0
e
Question 7
In the galvanic cell created using zinc and copper
placed in zinc sulfate and copper (II) sulfate
solutions respectively, what is the standard
potential of the cell?
A)
B)
C)
D)
-0.76 V
+0.34 V
1.10 V
-0.42 V
Reduction Reaction
Zn2+ (aq) + 2e-  Zn (s)
E0 (v)
-0.76
Cu2+ (aq) + 2e-  Cu (s)
+0.34
1
0
e
Question 8
In the galvanic cell created using zinc and copper
placed in zinc sulfate and copper (II) sulfate
solutions respectively, what substance coukd act
as the salt bridge?
A)
B)
C)
D)
Zinc sulfate
Potassium chloride
Copper sulfate
Zinc metal
1
0
e
Question 8
In the galvanic cell created using zinc and copper
placed in zinc sulfate and copper (II) sulfate
solutions respectively, what substance coukd act
as the salt bridge?
A)
B)
C)
D)
Zinc sulfate
Potassium chloride
Copper sulfate
Zinc metal
1
0
e
Question 9
Which species is a diprotic acid?
A) Mg(OH)2
B) CH3COOH
C) H2
D) H2CO3
1
0
e
Question 9
Which species is a diprotic acid?
A) Mg(OH)2
B) CH3COOH
C) H2
D) H2CO3
1
0
e
Question 10
Which compound is a weak acid?
A) HNO3
B) HBr
C) CH3COOH
D) H2SO4
1
0
e
Question 10
Which compound is a weak acid?
A) HNO3
B) HBr
C) CH3COOH
D) H2SO4
1
0
e
Question 11
What completes this nuclear equation:
65Cu 
65Fe +
25
26
A) Alpha particle
C) Positron
B) Beta particle
D) Gamma ray
1
0
e
Question 11
What completes this nuclear equation:
65Cu 
65Fe +
25
26
A) Alpha particle
C) Positron
B) Beta particle
D) Gamma ray
1
0
e
Question 12
Which has the greatest penetrating power?
A)
B)
C)
D)
an alpha particle
a gamma ray
a beta particle
All of the above have the same
penetrating power.
1
0
e
Question 12
Which has the greatest penetrating power?
A)
B)
C)
D)
an alpha particle
a gamma ray
a beta particle
All of the above have the same
penetrating power.
1
0
e
Question 13
When reactants can come together and form
products, and products can come together to reform reactants the reaction is called a _____
reaction.
1
0
e
Question 13
When reactants can come together and form
products, and products can come together to reform reactants the reaction is called a _____
reaction.
REVERSIBLE
1
0
e
Question 14
What is the pH of a cleaning solution with a
[H3O+] = 8.2 x 10–9 M H3O+?
A) 5.9
C) 11.5
B) 8.1
D) 2.5
1
0
e
Question 14
What is the pH of a cleaning solution with a
[H3O+] = 8.2 x 10–9 M H3O+?
A) 5.9
C) 11.5
B) 8.1
D) 2.5
1
0
e
Question 15
Which solution has the highest pH?
A)
B)
C)
D)
1.9 x 10–8 M [H3O+]
1.0 x 10–7 M [H3O+]
1.0 x 10–2 M [H3O+]
5.1 x 10–4 M [H3O+]
1
0
e
Question 15
Which solution has the highest pH?
A)
B)
C)
D)
1.9 x 10–8 M [H3O+]
1.0 x 10–7 M [H3O+]
1.0 x 10–2 M [H3O+]
5.1 x 10–4 M [H3O+]