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WorksheetsFinal Exam Quizziz Review
Total questions: 106
Worksheet time: 1hrs 4mins
Using the equations below:
C(s) + O2(g) → CO2(g) ∆H = –390 kJ
Mn(s) + O2(g) → MnO2(s) ∆H = –520 kJ
what is ∆H (in kJ) for the following reaction?
MnO2(s) + C(s) → Mn(s) + CO2(g)
910
130
-130
-910
Using the equations below
Cu(s) + 1/2O2(g) → CuO(s) ∆H = –156 kJ
2Cu(s) + O2(g) → Cu2O(s) ∆H = –170 kJ
what is the value of ∆H (in kJ) for the following reaction?
2CuO(s) → Cu2O(s) + 1/2O2(g)
142
15
-15
-142
Consider the following equations.
Mg(s) + O2(g) → MgO(s) ∆H = –602 kJ
H2(g) + O2(g) → H2O(g) ∆H = –242 kJ
What is the ∆H value (in kJ) for the following reaction?
MgO(s) + H2(g) → Mg(s) + H2O(g)
-844
-360
+360
+844
The following equations show the oxidation of carbon and carbon monoxide to carbon dioxide.
C(s) +O2(g) → CO2(g) ΔH = –x kJ mol–1
CO(g) + O2(g) → CO2(g) ΔH = –y kJ mol–1
What is the enthalpy change, in kJ mol–1, for the oxidation of carbon to carbon monoxide?
C(s) + O2(g) → CO(g)
x + y
-x - y
y - x
x - y
Between which points is the temperature of the substance remaining constant?
A-B only
A-B, C-D, and E-F
B-C only
B-C and D-E
__________ show the change in state of matter as heat is added.
Phase diagrams
Heating curves
Density graphs
Temperature plots
The melting point of the sample is
-60 ºC
20 ºC
60 ºC
100 ºC
Which letter indicates where water is in both the solid and liquid phase at the same time?
A
B
C
D
E
C3H8
What functional group is shown?
amino
hydroxyl
carboxyl
sulfhydryl
What functional group is shown?
hydroxyl
carboxyl
methyl
carbonyl
an isomer of a molecule has
different formulas and different shapes
same formulas and same shapes
same formulas and different shapes
glucose and fructose have the same chemical formula but different shapes. This makes them
tricky
isomers
functional groups
the same molecule
What functional group is shown?
amide
ketone
organic acid
amine
What functional group is shown?
amide
ketone
organic acid
amine
What is the organic family for propanamine?
aldehydes
amides
amines
organic acids
What is the organic family for propanamide?
aldehydes
amides
amines
organic acids
Name the organic functional group for this structure:
aldehydes
amides
amines
organic acids
Amines are found in proteins.
true
false
What is a functional group?
Atoms or group of atoms that give specific characteristics to a molecule
Group of molecules that make up a group of atoms
Group of molecules that give specific characteristics to an atom
Group of atoms that give specific characteristics to an element
Classify the compound based on the functional group present.
Ketone
Carboxylic acid
Ester
Ether
Classify the compound based on the functional group present.
Ether
Ketone
Ester
Carboxylic acid
Name the structure.
4-hexanol
3-hexanol
4-heptanol
3-heptanol
Name this structure.
propanal
1-propanol
propane
3-propanol
Name this compound...
methane
methene
methanol
methoxymethane
Name the compound
ethoxypropane
3-pentanol
pentanol
pentane
What is the functional group of alcohols?
–NH2
–COOH
–CHO
–OH
–NO2
Which group has the following functional group?
hydrocarbon
alchohol
ether
ester
Name the compound
hexane
hexanol
propoxypropane
3-hexanol
The name of the substance in the image is...
ethanol
propanol
ethane
propane
What is the organic family for propanamide?
aldehydes
amides
amines
organic acids
Name the organic functional group for this structure:
aldehydes
amides
amines
organic acids
What is a functional group?
Atoms or group of atoms that give specific characteristics to a molecule
Group of molecules that make up a group of atoms
Group of molecules that give specific characteristics to an atom
Group of atoms that give specific characteristics to an element
Classify the compound based on the functional group present.
Ketone
Carboxylic acid
Ester
Ether
Classify the compound based on the functional group present.
Ether
Ketone
Ester
Carboxylic acid
Name the structure.
4-hexanol
3-hexanol
4-heptanol
3-heptanol
Name this structure.
propanal
1-propanol
propane
3-propanol
Name this compound...
methane
methene
methanol
methoxymethane
What is the functional group of alcohols?
–NH2
–COOH
–CHO
–OH
–NO2
What is the hybridization of a linear molecule?
sp
sp2
sp3
sp3d
Which of the following images represents a Trigonal Planar molecular geometry?
What is the hybridization of this molecule shown above
sp
sp2
sp3
sp4
What is the hybridization of the central atom of a bent molecule? (AB2E2)
sp
sp2
sp3
sp3d
Determine the hybridization of the given structure.
sp
sp2
sp3
sp3d
How many sigma bonds are in the following molecule?
0
1
2
5
6
How many pi bonds are in the following compound?
0
1
2
5
6
How many pi bonds are in the following compound?
0
1
2
3
5
How many sigma bonds are in the following molecule?
0
1
2
3
5
How many pi bonds are in the following compound?
0
1
2
4
How many sigma bonds are in the following molecule?
0
4
8
12
16
How many pi bonds are in the following compound?
0
4
8
16
How many sigma bonds are in the following compound?
0
1
2
4
For a solution, pH + pOH =
7
14
1.0 x 10-14
-log (1.0 x 10 -14)
If the pH of a solution is 4.0, what is the pOH?
4.0
10.0
1.0 x 10 -4
cannot be determined from the information
The pH of a solution is 8.43. What is the [H3O+]concentration?
3.7 x 10 -9
1.0 x 10-8.43
2.7 x 10-6
1.0 x 10-14
If the [H3O+] of a solution is 1 x 10-3 M, the pH is
11
-3
3
1
If the pH of a solution is 8 the [H3O+] is
1.0 x 106 M
8.0 x 101 M
1.0 x 108 M
1.0 x 10-8 M
If the [OH-] of a solution is 2.7 x 10-4 M, the pOH of the solution is
10.44
1.00
3.57
-4.43
Oranges have a [H3O+] of 1.7 x 10-2 M. Their pOH is
1.77
12.23
10.91
3.09
Ammonia has a pOH of 2. Ammonia is a(n) __________.
acid
base
neutral
metal
Find the pH of a solution with [OH-] = 8.41 x 10-4.
3.08
10.92
9.88
11.23
What is the pOH of a solution with [H+] = 1.24 x 10 -2?
1.91
1.61
12.09
12.39
A solution has a pH of 6.9. This solution is _____.
an acid
a base
neutral
If a solution has a very low pH, the hydroxide concentration is _______.
very high
very low
zero
