Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Chemistry Spring Final Exam Review

Total questions: 60

Worksheet time: 2hrs 51mins

Name
Class
Date
1.
Which of the following has more molecules a mole of CO2 or a mole of H2O?
a)
CO2 has more
b)
H2O has more
c)
They have the same
d)
Impossible to compare
2.
Which of the following does NOT describe a mole?
a)
6.02x1023
b)
Abbreviation for molecule
c)
The number of atoms present in 12 g of carbon-12
d)
Avogadro's Number
3.
What is the mass of one mole of aluminum chloride?
a)
62.43g
b)
116.40g
c)
133.33g
d)
97.89g
4.
How many grams are in 3.62 mol of dicarbon tetroxide?
a)
88.0 g
b)
3.62 g
c)
319 g
d)
159 g
5.
What is the percent composition of a compound that contains 40.8 g carbon and 54.4 g oxygen?
a)
42.9 % carbon; 57.1% oxygen
b)
57.1 % carbon; 42.9 % oxygen
c)
40.8 % carbon; 54.4 % oxygen
d)
54.4 % carbon; 40.8% oxygen
6.
Find the percentage composition of  Mg in Mg3(PO4)2.
   

a)
27.74% Mg
b)
23.57% Mg
c)
48.68% Mg
d)
13.45% Mg
7.
A sample of water contains 2.10x1025 water molecules.  How many grams of water are present?
a)
78.5 g
b)
157 g
c)
314 g
d)
629 g
8.
How many atoms of carbon are in 6.00 g of carbon?
a)
1.20x1024atoms C
b)
6.02x1023atoms C
c)
3.01x1023atoms C
d)
1.50x1023atoms C
9.
A container with a volume of 893 L contains how many moles of air at STP?
a)
20003.2 L
b)
39.9 L
c)
22.4 L
d)
none of the choices
10.
All of the following are empirical formulas EXCEPT
a)
C3H8
b)
Na2SO4
c)
N2O4
d)
Al3(SO4)2
11.
Determine the empirical formula for a compound with 87.1% Ag and 12.9% S. 
a)
AgS2
b)
Ag3S5
c)
Ag2S
d)
Ag4S2
12.
The empirical formula of a substance is CH2O. Its molar mass is 180.0. What is the molecular formula?
a)
C6H12O6
b)
C4H8O4
c)
C8H16O8
d)
C2H4O2
13.
The amount of a product this is produced during a chemical reaction
a)
Percent Composition
b)
Actual yield
c)
Theoretical yield
d)
Percent Yield
14.
The calculated amount of a product that is going to be produced
a)
Percent Composition
b)
Actual yield
c)
Theoretical yield
d)
Percent Yield
15.
The ratio of what you produced to what you thought you were going to produce.
a)
Percent Composition
b)
Actual yield
c)
Theoretical yield
d)
Percent Yield
16.

___H2 + ___O2 → ___H2O

How many moles of water can be produced if 8 moles H2 are used?

a)

4 moles

b)

8 moles

c)

16 moles

d)

2 moles

17.

___Fe2O3 + ___H2 → ___Fe + ___H2O

About how many grams of H2O will be produced from 150 grams of Fe2O3?

a)

51 grams H2O

b)

60 grams H2O

c)

5100 grams H2O

d)

6000 grams H2O

18.
What is the molar mass of (NH4)2CO3 ?
a)
144 g
b)
138 g
c)
96 g
d)
78 g
19.
Theoretical yield = 73g
Actual yield = 62g
Calculate the percent yield.
a)
1.16%
b)
116%
c)
85%
d)
76%
20.
Fe + S --> FeS
If 7.62g Fe react with 8.67g S, what is the limiting reactant?
a)
Fe
b)
S
c)
FeS
d)
none 
21.

In Coke, carbon dioxide gas is the ______ and water is the _____.

a)

solute; solution

b)

solvent; solution

c)

solvent; solute

d)

solute; solvent

22.

Which of the following is NOT a property of solutions?

a)

Solute will not settles of out solution

b)

Solutions can't be separated by filtration

c)

Solutions will separate back out if left alone long enough

d)

The properties of the solution are different than the individual properties

23.

If a spoonful a salt is added to salt water and more salt than was added falls out of the solution, the original solution was...

a)

Unsaturated

b)

Saturated

c)

Supersaturated

d)

Miscible

24.

A solution with a relatively high amount of solute

a)

Dilute

b)

Concentrated

c)

Saturated

d)

Unsaturated

e)

Supersaturated

25.

Which of the following will increase the rate of solubility? Select all that apply.

a)

Aggitation

b)

Increase temperature

c)

Decrease surface area

d)

Change polarity of substance

26.

If 20.0 g of salt was added to a salt water solution, what would happen to the boiling point?

a)

Increase

b)

Decrease

c)

Remain unchanged

d)

Cannot be determined

27.
How many grams of K2Cr2O7, are soluble in 100 g of water at 95 ºC?
a)
83 grams
b)
75 grams
c)
40 grams
d)
12 grams
28.

What is the molarity of 4.0 g of NaCl in 3,800 mL of solution?

a)

0.018 M

b)

0.0011 M

c)

1.052 M

d)

0.062 M

29.
If I add water to 100.0 mL of a 0.15 M NaOH solution until the final volume is 150 mL, what will the molarity of the diluted solution be?
a)
0.23 M
b)
0.10 M
c)
1.0 x 105 M
d)
1.0 M
30.

You have a 0.5 M MgSO4 stock solution available. Calculate the volume of the stock solution needed to make 2.0 L of 0.20 M MgSO4.

a)

0.8 L

b)

5 L

c)

0.2 L

d)

0.5 L

31.

What is produced when an acid and base are combined? Select all that apply.

a)

Salt

b)

Water

c)

Acid

d)

Base

32.

When a base gains of proton it becomes

a)

Conjugate acid

b)

Conjugate base

c)

Acid

d)

Base

33.

Which of the following is the strongest electrolyte?

a)

Al(OH)3

b)

Fe(OH)2

c)

LiOH

d)

AgOH

34.

According to Bronsted-Lowry's definition an acid...

a)

Produces OH- in water

b)

Produces H+ in water

c)

Donates a proton

d)

Accepts a proton

35.

Which of the following is the best definition of buffer?

a)

A substance that ionizes completely when placed in water

b)

A substance that is used in a titration to determine the concentration

c)

A substance the resists change in pH

d)

A substance that can act as either an acid or a base

36.

What kind of salt would be produced in a neutralization reaction between HI and Fe(OH)3?

a)

Acidic

b)

Basic

c)

Neutral

d)

Not enough information

37.

Which of the following is the best definition of titration?

a)

An experimental way to determine the concentration of an acid or a base

b)

An experimental way to create a buffered solution

c)

An experimental way of determining the type of salt that will be produced from a neutralization reaction

d)

An experimental way to determine whether an acid or base is strong or weak

38.

Turns litmus paper blue/yellow

a)

Acid

b)

Base

c)

Both Acid and Base

d)

Neither Acid or Base

39.
What is the conjugate acid in the following equation?
a)
PO43- 
b)
HNO3 
c)
NO3- 
d)
HPO42-
40.

What is the [OH-] if the pH is 4.9?


pH+pOH=14

-log[H+]=pH -log[OH-]=pOH

10-pH= [H+] 10-pOH= [OH-]

a)

7.9 x 10-10 M

b)

1.0 x 10-4 M

c)

0.96

d)

4.9 x 10-10 M

41.

What will happen if heat is added to an exothermic reaction?

a)

Reaction will shift towards reactants

b)

Reaction will shift toward products

c)

No shift will occur

d)

Increase the rate of reaction in both directions

42.

Which of the following will cause a shift in equilibrium?

a)

Adding a catalyst

b)

Adding a pure solid

c)

Adding a pure liquid

d)

Adding a gas

43.

What states that if a chemical system in equilibrium is stressed, the system will shift in order to reduce the effect of the stress.

a)

Le Chatelier's Principle

b)

Hess's Law

c)

Law of Conservation of Energy

d)

Law of Conservation of Mass

44.

Which of the following is true about endothermic reactions? Select all that apply.

a)

The reaction feels cold

b)

The reaction feels warm

c)

ΔH is negative

d)

ΔH is postive

45.
2SO2(g)+O2(g)⇌2SO3(g)
Adding O2(g) will
a)
shift equilibrium right
b)
shift equilibrium left
c)
decrease pressure
d)
have no change
46.
Which letter corresponds to the activation energy of the forward reaction?
a)
A
b)
B
c)
C
d)
D
47.
What is the equilibrium-constant expression for 
CO2(g) + H2(g) ↔ CO(g) + H2O(l)
a)
Kc= [CO][H2O] / [CO2][H2]  
b)
Kc= [CO2][H2] / [CO]
c)
Kc= [CO2][H2] / [CO][H2O]
d)
Kc= [CO] / [CO2][H2]  
48.

The standard enthalpy changes of formation of FeO(s) is -266 kJ and Al2O3(s) is–1676 kJ. Al and Fe both have an enthalpy of 0 kJ.


What is the enthalpy change under standard conditions for the following reaction?

___FeO(s) + ___Al (s) --> ___Fe(s) + ___Al2O3(s)

a)

+878kJ

b)

–878kJ

c)

–1942kJ

d)

–2474kJ

49.

(Hess's Law)Calculate the ∆H for the following reaction: 2H2O2 → 2H2O + O2

You are given these two equations:

2H2 + O2 → 2H2O ∆H = -572 kJ

H2 + O2 → H2O2 ∆H = -188 kJ

a)

∆H = -948 kJ

b)

∆H = -196 kJ

c)

∆H = -384 kJ

d)

∆H = -188 kJ

50.
For the reaction...
N2 (g) +  3 H2 (g) <−> 2 NH3 (g)

If the pressure in the system is increased, the reaction will __________________.
a)
 shift to the left
b)
shift to the right
c)
not shift
51.

What does STP stand for?

a)

Same Time and Place

b)

Standard Temperature and Pressure

c)

Standard Time and Place

d)

Same Temperature and Pressure

52.

The temperature at absolute zero is _____. Select all that apply.

a)

0 °C

b)

0 °F

c)

0 K

d)

-273 °C

e)

273 K

53.

Which of the following pressures is equal to 44.1 psi? Select all that apply.


1 atm=760 mm Hg= 760 torr=29.92 in Hg=14.7 psi- 101.3 kPa

a)

3 atm

b)

760 mm Hg

c)

89.76 in Hg

d)

202.6 kPa

54.

Which of the following is a measure of average kinetic energy?

a)

Temperature

b)

Pressure

c)

Volume

d)

Enthalpy

55.

Temperature and ______ are directly related. This means as one decreases, the other ____.

a)

Moles; Decreases

b)

Pressure; Decreases

c)

Pressure; Increases

d)

Volume; Increases

56.

Convert 540 mmHg to kPa; round your answer to correct sig figs.


1 atm=760 mm Hg= 760 torr=29.92 in Hg=14.7 psi- 101.3 kPa

a)

71.976 kPa

b)

72 kPa

c)

4051 kPa

d)

4100 kPa

57.
A mixture of hydrogen, nitrogen, and water vapor has a total pressure of 864 mmHg. The partial pressure of hydrogen is 220 mmHg and that of nitrogen is 410 mmHg. What is the partial pressure of water vapor?
a)
234 mmHg
b)
1.37 mmHg
c)
2.64 mmHg
d)
1, 494 mmHg
58.

A gas at a volume of 4 liters is at a pressure of 8 Pa. The volume is changed to 16 Liters, what must the new pressure be?

a)

1 Pa

b)

12 Pa

c)

10 Pa

d)

2 Pa

59.
The oxygen tanks on the sideline can be very dangerous if heated. Suppose an oxygen tank has a pressure of 120 atm at a room temperature of 25°C. If the temperature on the turf or field increases to 51°C, what will the resulting pressure of the oxygen tank be if the volume and amount of gas does not change?
a)
130 atm
b)
804 atm
c)
1.30 atm
d)
254 atm
60.
If 3.25 mol of Ar occupies 100. L at a particular temp and pressure, what volume does 14.15 mol of Ar occupy under same condition?
a)
435 L
b)
225 L
c)
100 L
d)
522 L

Similar Resources on Wayground

KIỂM TRA LÝ THUYẾT C-Si VÀ HỢP CHẤT

64 questions

KIỂM TRA LÝ THUYẾT C-Si VÀ HỢP CHẤT

quiz

Worksheet

•

11th Grade

CH8 značky prvků - opakování

55 questions

CH8 značky prvků - opakování

quiz

Worksheet

•

8th - 9th Grade

AMS South Q4 Review

65 questions

AMS South Q4 Review

quiz

Worksheet

•

KG - University

Chem Fall Final Review

65 questions

Chem Fall Final Review

quiz

Worksheet

•

9th - 12th Grade

9 Chemistry revision

57 questions

9 Chemistry revision

quiz

Worksheet

•

9th Grade

C05 Atomic Theory Homework

59 questions

C05 Atomic Theory Homework

quiz

Worksheet

•

10th Grade - University

quizizz hóa

65 questions

quizizz hóa

quiz

Worksheet

•

11th Grade - University

Element Memorization List 1 (multiple choice)

62 questions

Element Memorization List 1 (multiple choice)

quiz

Worksheet

•

11th - 12th Grade