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Chemistry Spring Final Exam Review

Total questions: 125

Worksheet time: 3hrs 33mins

Name
Class
Date
1.

LiBr is called

a)

lithium bromine

b)

lithium (I) bromine

c)

lithium bromide

d)

lithuim (I) bromide

2.

The name of FeCl₂ is

a)

iron chloride

b)

iron (II) chloride

c)

iron (I) chloride

d)

iron dichloride

3.

What is the name of the compound Na2(SO4)?

a)

Sodium sulfate

b)

Sodium sulfide

c)

Sodium sulfite

d)

Sodium sulfuroxide

4.
What is the correct formula for Sodium Oxide?
a)
NaO
b)
NaO2
c)
Na2O
d)
Na2O2
5.

What is the correct molecular formula for barium hydroxide?

a)

Ba(OH)2

b)

Ba2OH

c)

BaOH

d)

Ba2OH

6.

Which of these combinations is an ionic compound made of?

a)

Metal and Metal

b)

Nonmetal and Nonmetal

c)

Metal and Nonmetal

d)

Cation and Cation

7.
Metals tend to 
a)
gain electrons
b)
lose electrons
8.
Nonmetals tend to 
a)
gain electrons
b)
lose electrons
9.
If I gain electrons I become
a)
Positive because I've added to my atom
b)
negative because I've added electrons
c)
same because i'm balanced
d)
equal because now I have electrons
10.
When metals bond with non-metals they form what type of bonds
a)
covalent
b)
ionic
c)
cooperative
d)
lewis
11.
How do the following two elements bond together?
Cr3+  O2-         
a)
CrO
b)
Cr3O2
c)
Cr2O3
d)
CrO3
12.
When a nonmetal gains electrons, it becomes this type of ion.
a)
Anion
b)
Cation
13.
When a metal loses electrons, it becomes this type of ion.
a)
anion
b)
cation
14.
Which of the following is NOT an ionic compound:
a)
CaO
b)
NaOH
c)
BaCl2
d)
Br2
15.
How do the following two elements bond together?
Al3+  O2-         
a)
AlO
b)
Al2O3
c)
Al3O6
d)
Al3O2
16.
What is the correct formula for the compound, lithium oxide?
a)
LiO
b)
Li2O
c)
LiO2
d)
Li2O2
17.
Name the following ionic compound: BeCl2
a)
beryllium chlorine
b)
beryllium II chloride
c)
beryllium chloride
d)
beryllium dichloride
18.
When naming ionic compounds you always write the name of the positive element  _______ .
a)
first
b)
second
c)
with "ide"
d)
with a prefix
19.
What is the formula for calcium phosphide?
a)
CaP
b)
Ca2P3
c)
Ca3P2
d)
Ca2P
20.

Name the following compound: CaCl2

a)

calcium dichloride

b)

calcium chloride

c)

calcium (II) chloride

d)

carbon chloride

e)

None of these.

21.
The chemical formula for an ionic compound of potassium and oxygen is
a)
KO.
b)
K2O.
c)
K2O2.
d)
KO2.
22.
What is the FORMULA for....
beryllium iodide
a)
Be2I
b)
BeI
c)
BeI2
d)
BI2
23.
How do the following two elements bond together?
Na1+  F1-         
a)
NaF
b)
NaF3
c)
Na3F
d)
Na1F2
24.

What is the what charge of manganese in the compound: Mn2O3

a)

+1

b)

+2

c)

+3

d)

-3

25.

What is the charge of copper in the compound: CuBr2

a)

+1

b)

+2

c)

-1

d)

-2

26.
Name CCl4
a)
carbon carbon tetraiodide
b)
carbon tetrachloride
c)
monocarbon tetrachloride
d)
water
27.
Name BCl3
a)
boron chloride
b)
boron (III) chloride
c)
boron trichloride
d)
boron chlorine
28.
Give the formula for phosphorus trifluoride
a)
P3F
b)
PF
c)
PF3
d)
P3F3
29.
Give the formula for ammonia
a)
NH3
b)
NH4
c)
CH4
d)
H2O
30.
Name CO2
a)
carbon dioxide
b)
carbon monoxide
c)
carbon oxide
d)
monocarbon dioxide
31.
Name SO2
a)
monosulfur dioxide
b)
sulfur dioxide
c)
sulfur oxide
d)

sulfur (II) oxide

32.
How many valence electrons does carbon have?
a)
1
b)
2
c)
3
d)

4

33.
How many valence electrons does oxygen have?
a)
2
b)
3
c)
6
d)
4
34.
How many valence electrons does nitrogen have?
a)
3
b)

2

c)
5
d)
1
35.
How many valence electrons does hydrogen have?
a)

4

b)
3
c)
2
d)
1
36.

How many molecules of table salt are there in 6NaCl?

a)

1

b)

12

c)

6

d)

3

37.

How many different ELEMENTS are in C6H12O6?

a)

1

b)

2

c)

3

d)

6

38.

How many atoms of Oxygen are there in: H2SO4

a)

6

b)

5

c)

4

d)

2

39.

If there is no subscript, there is/are ______ atom(s) of that element.

a)

0

b)

2

c)

only 1

d)

1 million

40.

How many TOTAL atoms are there in H2O (water)?

a)

1

b)

2

c)

3

d)

more than 3

41.

A tall number in front of a chemical formula. It indicates the number of molecules present.

a)

Coefficient

b)

Subscript

c)

Exponent

d)

Coordinator

42.

What does the subscript in a chemical formula tell you?

a)

How many molecules are present

b)

How many atoms are present

c)

How many elements are present

d)

How many neutrons are present

43.

Lists the "ingredients" of a molecule or compound-- the chemical symbols and numbers of atoms present.

a)

chemical symbol

b)

coefficient

c)

subscript

d)

chemical formula

44.
How many oxygen atoms are present in the following? 
4Ca(OH)2
a)
4
b)
6
c)
8
d)
1
45.
Why must we balance chemical equations? 
a)
Our teacher said so
b)
to abide by the law of conservation of energy
c)
to abide by the law of conservation of mass
46.
 Fill in the blank to balance the chemical equation. 
2KI  +  ____Cl2 →  2KCl  +  I2
a)
1
b)
2
c)
3
d)
4
47.
What coefficient should go in the blank space to balance the chemical equation? 
2Al  +____  HCl   →    2AlCl3  +  3H2
a)
2
b)
4
c)
3
d)
6
48.

What is the left part of a chemical equation called?

2H2 + O2 ---> 2H2O

a)

Reactants

b)

Yields

c)

Products

d)

Chemical equation

49.

What is the right part of a chemical equation called?

2H2 + O2 ---> 2H2O

a)

Reactants

b)

Yields

c)

Products

d)

Chemical Equation

50.

What is the total number of atoms present in 5Na3PO4?

a)

5

b)

55

c)

40

d)

8

51.

Is the following equation balanced?

Al + O2 ---> 2Al2O3

a)

YES

b)

NO

52.

What is the number before a chemical formula called?

Example: 2H2 + O2 ---> 2H2O

a)

Coefficient

b)

Atom

c)

Subscript

d)

Equation

53.

Which of the following equations are correctly balanced?

a)

12CO2 + H2O ---> C6H12O6 + O2

b)

CO2 + H2O ---> 3C6H12O6 + O2

c)

CO2 + 9H2O ---> C6H12O6 + O2

d)

6CO2 + 6H2O ---> C6H12O6 + 6O2

54.

Balance this equation:

H2 + Cl2 ---> HCl

a)

It is balanced.

b)

H2 + Cl2 ---> 2HCl

c)

3H2 + Cl2 ---> 6HCl

d)

H2 + 3Cl2 ---> 6HCl

55.

Balance this equation:

HgO ---> 2Hg + O2

a)

It is balanced.

b)

2HgO ---> 2Hg + O2

c)

2HgO ---> Hg + O2

d)

HgO ---> Hg + 2O2

56.

Complete the sentence.


During a chemical reaction, atoms ________.

a)

can appear

b)

can disappear

c)

get rearranged

d)

stop moving and vibrating

57.
How many HCl molecules do you need to balance this equation? 
Mg +  __HCl --->  MgCl2 + H2
a)
1
b)
2
c)
3
d)
4
58.

What is the right ratio of chemicals for the BCE (Balanced Chemical Equation)?

__Ca + __H2O --> __Ca(OH)2 + __H2

a)
2,1 --> 2,1
b)
1,2 --> 1,1
c)
1,2 --> 2,4
d)
1,2 --> 2,1
59.
What is the right ratio of chemicals for the BCE (Balanced Chemical Equation)?__CO + __Fe2O3--> __Fe + __CO2
a)
3,1 --> 2,3
b)
3,2 --> 1,1
c)
3,2 --> 2,4
d)
3,2 --> 2,1
60.
Balance this equation.
_Mg + _Cl2 --> _MgCl2
a)
1, 2,1
b)
already balanced
c)
2,1,1
d)
1,1,2
61.
At the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the products?
a)
the product is doubled
b)
the product is half the mass of the reactants
c)
the mass is the same
d)
the mass changes depending on the reaction
62.
Balance this equation,            
Al2O3 --> Al + O2 
a)
Cannot be balanced
b)
2Al2O3 --> 2Al+3O2 
c)
2Al2O3--> 4Al+3O2 
d)
3Al2O3--> 2Al+O2 
63.

Ca + AlCl3 --> CaCl2 + Al

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

64.

3Mg + N2 --> Mg3N2

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

65.

NO2 --> N2 + O2

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

double replacement

66.

AgF + CaCl2 ---> AgCl + CaF2

a)

double replacement

b)

decomposition

c)

single replacement

d)

synthesis

67.

Which type of reaction is described in the following equation:

C3H8 + 5O2 → 3CO2 + 4H2O

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

68.

Which type of reaction is represented by the following chemical equation? 2H2O2 → 2H2O + O2

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

69.

What type of chemical reaction would the following equation represent? 2H2 + N2 ↔ 2NH3

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

70.

Which type of reaction is represented by the following chemical equation? 2HCl + Zn → ZnCl2 + H2

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Oxidation-Reduction

71.

Which type of reaction is represented by the following chemical equation? HCl + NaOH ↔ H2O + NaCl

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

72.

Which type of reaction is represented by the following chemical equation? CH4 + 2O2 → CO2 + 2H2O

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

73.
Ions in two compounds switch. 
a)
Synthesis
b)
Combustion
c)
Single Replacement
d)
Double Replacement
74.
What is the molar mass of fluorine gas?
(beware!)
a)
18.998 g/mol
b)
38 g/mol
c)
9 g/mol
d)
18 g/mol
75.
What is the molar mass of table salt (NaCl)?
a)
116.886 g/mol
b)
35.453 g/mol
c)
22.990 g/mol
d)
58.443 g/mol
76.
What is the mass of one mole of aluminum?
a)
27 g
b)
13 g
c)
54 g
d)
14 g
77.
What is the molar mass of CO2?
a)
12
b)
16
c)
32
d)
44
78.

Calculate the molar mass of Ba(C2H3O2)2

a)

255.3 g/mol

b)

237.3 g/mol

c)

228.3 g/mol

d)

196.3 g/mol

79.

Calculate the molar mass for Al(OH)3

a)

78.0 g/mol

b)

72 g/mol

c)

28 g/mol

d)

25 g/mol

80.

Calculate the molar mass of NH4NO2

a)

50 g/mol

b)

60 g/mol

c)

64 g/mol

d)

78 g/mol

81.

Select the correct molar ratio taken from this balanced equation:


4 Al + 3 O2 --> 2 Al2O3

a)

1 mol Al = 1 mol Al2O3

b)

4 Al = 2 Al2O3

c)

4 mol Al = 2 mol Al2O3

d)

4 mol Al = 2 mol Al

82.

Select the correct molar ratio taken from this balanced equation:


1 N­2 + 3 H2 --> 2 NH3

a)

1 N­2 = 3 H2

b)

1 mol N­2 = 2 mol NH3

c)

2 mol N­2 = 1 mol NH3

d)

3 mol N­2 = 3 mol NH3

83.

How many moles are in 19.82 g Mg? HINT: You will need the molar mass of Magnesium.

a)

1.226 mol Mg

b)

481.7 mol Mg

c)

1.000 mol Mg

d)

0.8156 mol Mg

84.

Calculate the mass of 5.0 mol of iron. HINT: You will need the molar mass of Iron.

a)

8.3 x 10-24 g

b)

0.090 g

c)

3.0 x 1024 g

d)

280 g

85.

If you have weighed out 36.0 grams of water on a scale, how many moles of water do you have? HINT: You will need the molar mass of H2O.

a)

18.0 moles

b)

36.0 moles

c)

2.0 moles

d)

72.0 moles

86.
What is the mass of 0.89 mol of CaCl2?
a)
111 grams
b)
0.008 grams
c)
98.9 grams
d)
none of the choices
87.
N2 + 3H2 --> 2NH3
What is the total number of moles of NH3 produced when 10 moles of H2 reacts completely with N2?
a)
6.7
b)
2.0
c)
3.0
d)
15.0
88.
N2 + 3H2 --> 2NH3
How many moles of N2 is needed to react with 6 moles of H2?
a)
6.7
b)
2.0
c)
3.0
d)
15.0
89.
2Na + S -->Na2S
What is the total number of moles of S that reacts when 4.0 moles of Na were completely consumed?
a)
1
b)
2
c)
0.5
d)
4
90.
2Na + S -->Na2S
What is the total number of moles of Na2S produced when 8.0 moles of Na were completely consumed?
a)
1
b)
2
c)
0.5
d)
4
91.
H2+Cl2-->2HCl
What is the total number of moles of HCl produced when 3 moles of H2 is completely consumed?
a)
5
b)
2
c)
3
d)
6
92.
4NH3 + 5O2-->4NO + 6H2O
What is the total number of moles of NO produced when 1 mole of O2 is completely consumed?
a)
1
b)
1.2
c)
0.8
d)
4
93.
4NH3 + 5O2-->4NO + 6H2O
What is the total number of moles of H2O produced when 12 mole of NH3 is completely consumed?
a)
15
b)
18
c)
20
d)
24
94.
6CO2 + 6H2O --> C6H12O6 + 6O2 
What is the total number of moles of water needed to make 2.5 moles of C6H12O6?
a)
2.5
b)
6
c)
12
d)
15
95.
6CO2 + 6H2O --> C6H12O6 + 6O2 
What is the total number of moles of CO2 needed to make 2 moles of C6H12O6?
a)
2.5
b)
6
c)
12
d)
15
96.
Boyle's PV law : When _______ is held constant, the pressure and volume of a gas are ________  proportional
a)
temperature,  equally
b)
mass, inversely
c)
temperature, inversely
d)
mass, equally
97.
If a balloon is cooled what will happen to the volume?
a)
Volume will increase
b)
Volume will decrease
c)
Volume will not change
98.
Which of the following would increase the (gas) pressure of a system?
a)
Increase the Temperature
b)
Pump in more gas
c)
Decrease the volume
d)
All of these
99.
Gases have...
a)
A definite shape and volume
b)
A definite shape but no definite volume
c)
No definite shape but a definite volume
d)
No definite shape or volume
100.
When the temperature of matter increases the particles...
a)
speed up and move closer
b)
speed up and move farther apart
c)
slow down and move closer together
d)
slow down and move farther apart
101.
You have a gas that has a pressure of 2 ATM and a volume of 10L.  What would be the new volume if the pressure was changed to 1 ATM?
a)
5 L
b)
20 L
c)
It would stay at 10L
d)
1 L
102.
In order to convert to Kelvin, you add ______ to the Celsius measurement.
a)
372
b)
273
c)
237
d)
732
103.
Which container will have lower pressure?
a)
left
b)
right
c)
they both have the same pressure
104.

A gas is at a pressure of 760 mm Hg. What is its pressure in psi?

a)

14.7 psi

b)

1 psi

c)

205 psi

d)

0.547 psi

105.

A gas is at a pressure of 95 kPa. What is its pressure in atmospheres?

a)

1.5 atm

b)

1.09 atm

c)

0.94 atm

d)

0.82 atm

106.

A pressure gauge displays a pressure of 783 torr. How many psi is this?

a)

13.9 psi

b)

15.1 psi

c)

18.5 psi

d)

37.1 psi

107.

If a gas is at 0.95 atm, how many kPa is this?

a)

0.35 kPa

b)

1.07 kPa

c)

96 kPa

d)

400,025 kPa

108.
What is the formula for Boyle's Law?
a)
P1V1=P2V2
b)
P1V1/P2V2
c)
P1V2=P2V1
d)
P1/V1=P2/V2
109.
When Pressure increases then the Volume must...
a)
Increase
b)
decrease
110.
When Volume increases then Pressure must...
a)
Increase
b)
Decrease
111.
What is the new volume of the gas if the pressure on 350 L of oxygen at 720 mm Hg is decreased to 600 mm Hg?
a)
420 L
b)
29.16 L
c)
4200.0 L
d)
291.6 L
112.
A gas occupies 4.98 L at 2.6 atm of pressure. What volume does it occupy at 1.8 atm pressure?
a)
12.9 L
b)
0.72 L
c)
7.2 L
d)
3.44 L
113.
A gas at a volume of 4 liters is at a pressure of 2 atm. The volume is changed to 16 Liters, what must the new pressure be?
a)
2 atm
b)
12 atm
c)
10 atm
d)
0.5 atm
114.
The relationship of which two variables are compared in Charles’s Law?
a)
pressure & volume
b)
volume & temperature
c)
temperature & pressure
d)
volume & moles (amount of gas)
115.
Which two variables must be held constant for Charles's Law to apply?
a)
pressure & volume
b)
volume & temperature
c)
pressure & moles (amount of gas)
d)
volume & moles (amount of gas)
116.
Julian and Jimmy are playing basketball outside in 82°C weather. If they leave the ball outside and temperature drops down to 53°C, what will happen to the volume of the gas in the ball if the pressure remains constant?
a)
volume will remain the same
b)
volume will increase
c)
volume will decrease
d)
volume will double in size
117.
At constant pressure, what happens to temperature of a gas when the volume doubles?
a)
The temperature also doubles.
b)
The temperature decreases to half of its original volume.
c)
The temperature doesn't change.
d)
The temperature quadruples.
118.
What is the formula Charles' Law?
a)
V = T
b)
VT = VT
c)
T1 / V1 = T2 / V2
d)
V1 / T1 = V2 / T2
119.
Which of the following phenomena best illustrates Charles' Law?
a)
carbon dioxide being dissolved in water
b)
expansion of the balloon as it is being submerged in hot water
c)
breathing apparatus being used by a patient
d)
leavening agent causing the fluffiness of cake products
120.
Records show that the incident of tire explosion is high during summer season.  Which of the following gives the best explanation for this observation?
a)
there are more travellers during summer vacation
b)
high temperature during summer season causes the air inside the tire to expand
c)
vehicles' tires are no well maintained
d)
there is too much air inside the tires
121.
Tom Brady enjoys balloon animals from the carnival. He just received a balloon giraffe that has an initial temperature of 39.0°C and a volume of 1.28 L. If Gronkowski plays a trick on Tom, and puts his balloon giraffe into the freezer, what would be the new volume of the balloon if the temperature drops down to 8.0°C?
(Don’t forget about what must be done to temperatures!)
a)
1.42 L
b)
6.85 x 104 L
c)
3.78 L
d)
1.15 L
122.
Edelman and Gronkowski want to play a game of beach volleyball. If the beach ball has a volume of  261 L at a temperature of 502 K, what will the temperature of the balloon be if the volume decreases to 176 L?
a)
744 K
b)
0.0030 K
c)
339 K
d)
512 K
123.

Convert 30 C to Kelvin (K).

a)

103 K

b)

203 K

c)

303 K

d)

403 K

124.
Convert: -45.9 C to K:
a)
227.1 K
b)
400 K
c)
0 K
373 K
125.
There are 40 liters of helium in a balloon at 100 K. If the temperature of the balloon is increased to 200 K, what will the new volume of the balloon be?
a)
80 L
b)
45 L
c)
54 L
d)
45.33 L

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9th - 12th Grade

Chemistry Unit 1 GSE

124 questions

Chemistry Unit 1 GSE

quiz

Worksheet

•

10th - 12th Grade