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Chemistry Final Review

Total questions: 61

Worksheet time: 2hrs 33mins

Name
Class
Date
1.

What id the molar mass of UF6?

a)

101 g/mol

b)

238 g/mol

c)

257 g/mol

d)

352 g/mol

2.

What is the molar mass of Cl2?

a)

17 g/mol

b)

35.5 g/mo;

c)

71.0 g/mol

d)

89 g/mol

3.
What is the right ratio of chemicals for the BCE (Balanced Chemical Equation)?__Al + __O2--> __Al2O3
a)
4,1 --> 2
b)
4,3 --> 4
c)
3,4 --> 1
d)
4,3 --> 2
4.
What is the right ratio of chemicals for the BCE (Balanced Chemical Equation)?__AgNO3 + __H2S --> __Ag2S+ __HNO3
a)
2,1 --> 1,2
b)
1,2 --> 1,1
c)
1,2 --> 1,2
d)
1,2 --> 2,1
5.

Which type of reaction is shown?

a)

Combustion

b)

single replacement

c)

double replacement

d)

decomposition

6.

What type of reaction is shown?

a)

Decomposition

b)

Single replacement

c)

Combustion

d)

Composition (or Synthesis)

7.

What type of reaction is this?

a)

Combination (or Synthesis)

b)

Single replacement

c)

Double replacement

d)

Decomposition

8.

Which type of reaction is shown?

a)

Combustion

b)

Composition (or Synthesis)

c)

Decomposition

d)

Double replacement

9.

Which type of reaction is shown?

a)

Single replacement

b)

Double replacement

c)

Combustion

d)

Decomposition

10.

When balancing this equation, Fe + Cl2 → FeCl3, the correct coefficient for Cl2?

a)

1

b)

2

c)

3

d)

4

11.

Chemical reactions

a)

create and destoy atoms

b)

only occurs outside living organisms

c)

occurs only in living organisms

d)

produce new substances

12.

Balance this equation, AlCl3 + NaOH → Al(OH)3 + NaCl

a)

3,1,3,1

b)

1,3,3,1

c)

1,1,1,3

d)

1,3,1,3

13.

To balance a chemical equation, it may be necessary to adjust the

a)

formulas of the products

b)

subscripts

c)

coefficients

d)

number of products

14.
The red numbers in the image below represent ________
a)
subscripts
b)
coefficients
c)
I don't know, and don't want to try
d)
None of the answers are correct
15.
The blue numbers in the image below represent ________
a)
I don't know, and don't want to try
b)
coefficients
c)
subscripts
d)
none of the answers are correct
16.
How many valence electrons does Barium (Ba) have?
a)
1
b)
2
c)
5
d)
6
17.

An ionic compound forms between a _______ and _______.

a)

metal and non-metal

b)

two metals

c)

two non-metals

18.

Name the ionic compound, CaCO3

a)

calcium carbide

b)

calcium carbon trioxide

c)

calcium carbon oxide

d)

calcium carbonate

19.

Name the ionic compound, LiCl

a)

lithium chlorine

b)

lithium chloride

c)

lithium chlorate

d)

lithium monochloride

20.
A cation is a ____ ion.
a)
negative
b)
positive
c)
neutral
d)
ficticious
21.
A charged particle that has gained or lost electrons is called a _____.
a)
molecule
b)
ion
c)
isotope
d)
element
22.
A anion will be a ____ ion.
a)
negative
b)
positive
c)
neutral
d)
ficticious
23.
Nitrogen will form which of the following ions?
a)
N
b)
N-3
c)
N-5
d)
N+5
24.
Beryllium will ____ valence electrons when forming an ionic bond.
a)
lose 4
b)
gain 4
c)
lose 2
d)
gain 2
25.
In the compound aluminum oxide, which is the cation?
a)
Al+3
b)
Al
c)
O-2
d)
O
26.
Ionic bonds form between metals and ____.
a)
metalloids
b)
metals
c)
nonmetals
27.
find the formula zinc sulfate
a)
ZnSO3
b)
ZnSO4
c)
ZnS
d)
Zn(SO4)2
28.
Name this formula: 
Al2O3
a)
Aluminum Oxide
b)
Aluminum Oxygen
c)
Antimony Oxide
d)
Aluminum (VII) Oxide
29.

K ionizes to a charge of _________.

a)

+1

b)

+2

c)

-1

d)

-2

30.

Be ionizes to a charge of ________.

a)

+1

b)

+2

c)

-1

d)

-2

31.

P ionizes to a charge of _______.

a)

+3

b)

-3

c)

+2

d)

-2

32.

Which is a diatomic element?

a)

iron

b)

carbon

c)

chlorine

d)

barium

33.

Which is the correct prefix use in naming binary molecular compounds?

a)

deca - 6

b)

nona - 9

c)

tetra - 3

d)

hexa - 7

34.

What is the formula for phosphoric acid?

a)

H2PO3

b)

H3PO4

c)

HPO2

d)

HPO4

35.

A substance is a/an ________ if it feels slippery and tastes bitter.

a)

acids

b)

bases

c)

salts

d)

indicator

36.

pH 4

a)

acid

b)

base

c)

neutral

37.

What is the [H+] if the pH is 4.0?

a)

1.0 x 10-10 M

b)

1.0 x 10-4 M

c)

1.0 x 10-14 M

d)

1.0 x 10-7 M

38.
What is the pOH of a solution that has a pH of 2?
a)
10
b)
12
c)
14
d)
1
39.

What is the pOH of a 1 x 10-8 M solution of HNO3?

a)

8

b)

6

c)

7

d)

9

40.

What is the pH of a solution where the [H+] is 1.0 x 10-11?

a)

11

b)

13

c)

14

d)

1

41.
Which has a slippery texture?
a)
Acid
b)
Base
42.
Which segment represents the solid phase? 
a)
1
b)
2
c)
3
d)
4
43.
Which segment represents the liquid phase? 
a)
1
b)
3
c)
4
d)
5
44.
Which segment represents the gas phase? 
a)
5
b)
4
c)
3
d)
2
45.
Which segments have a solid and liquid present at the same time? 
a)
1
b)
3
c)
2
d)
4
46.
Which segments have a liquid and gas present at the same time? 
a)
4
b)
5
c)
1
d)
2
47.
Which segment represents melting? 
a)
3
b)
5
c)
1
d)
2
48.
What state of matter is X?
a)
solid 
b)
liquid
c)
gas
d)
supercritical fluid
49.
What state of matter is Y?
a)
solid 
b)
liquid
c)
gas
d)
supercritical fluid
50.
What state of matter is Z?
a)
solid 
b)
liquid
c)
gas
d)
supercritical fluid
51.
What is point A?
a)
triple point
b)
critical point
c)
equilibrium point
d)
normal melting point
52.
What is point B?
a)
triple point
b)
critical point
c)
equilibrium point
d)
normal melting point
53.

What is the normal boiling point of this substance?

a)

150 °C

b)

100 °C

c)

-50 °C

d)

0 °C

54.
What is the normal melting point of this substance?
a)
150 °C
b)
100 °C
c)
-50 °C
d)
0 °C
55.
Water exists as a _____________ at 700 mmHg and 50 °C.
a)
solid
b)
liquid
c)
gas
d)
supercritical fluid
56.
Water exists as a _____________ at 3 mmHg and 50 °C.
a)
solid
b)
liquid
c)
gas
d)
supercritical fluid
57.

A 7.50 liter sealed jar at 18 °C contains 0.125 moles of oxygen and 0.125 moles of nitrogen gas. What is the pressure in the container?

a)

7.38 atm

b)

0.796 atm

c)

0.684 atm

d)

0.398 atm

58.
When 0.250 moles of a gas is placed in a container at 25 °C, it exerts a pressure of 700 mm Hg. What is the volume of the container?
a)
0.557 Liters
b)
6.57 Liters
c)
8.74 Liters
d)
0.0087 Liters
59.

A student measures the pressure and volume of an empty water bottle to be 1.4 atm and 2.3 L. She then decreases the pressure to 0.65 atm. What is the new volume?

a)

2.1 L

b)

5.0 L

c)

8.2 L

d)

3.9 L

60.
The pressure on a sample of gas is increased from 1.0 atm to 3.0 atm. If the new volume is 0.52 L, find the original volume.
a)
0.52 L
b)
1.56 L
c)
0.173 L
d)
1.00 L
61.

The volume of gas in a balloon is 1.90 L at 21.0 oC. The balloon is heated, causing it to expand to a volume of 5.70 L. What is the new temperature of the gas inside the balloon?

a)

7.00 C

b)

63.0 C

c)

120. C

d)

609. C

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