WorksheetsChemistry Final Review
Total questions: 31
Worksheet time: 2hrs 33mins
Name
Class
Date
1.
The substance that dissolves in a solution is called the ____.
a)
Solute
b)
Solvent
c)
Solution
2.
What happens to the pressure of a gas if the temperature is decreased?
a)
Increases
b)
Decreases
c)
Remains the same
3.
Which of the following is a valid pair representing STP?
a)
760 K & 101.3 kPa
b)
1 atm & 0 K
c)
1 atm & 0 C
d)
760 mmHg & 0 K
4.
Choose ALL that apply.
Bases have the following properties...
a)
Turns pH paper blue
b)
Taste bitter
c)
Contains the OH- ion
d)
Has a pH greater than 7
e)
Contains the H+ ion
5.
Define the following term:
Specific heat
a)
the amount of heat energy needed to increase the temperature of 1 gram of a substance by 1°C
b)
the reactant that is used up in a chemical reaction that determines the amount of product(s) produced
c)
a measure of the hydrogen ion concentration of a solution
d)
mathematical formula that describes the relationships among temperature, pressure, volume, and moles in ideal gases
e)
the extent to which a solute dissolves in a solvent
6.
Choose ALL that apply:
What are the categories of a heterogenous mixture?
a)
Solutions
b)
Large Particles
c)
Suspensions
d)
Colloids
7.
Using the following image, answer the question:
When 20 grams of potassium chlorate, KClO3, is dissolved at 80 ºC, the solution can be correctly described as...
a)
Unsaturated
b)
Saturated
c)
Supersaturated
8.
According to the kinetic molecular theory, which statement describes the particles in a sample of an ideal gas?
a)
The collisions between the gas particles cannot result in a transfer of energy between the particles.
b)
The motion of the gas particles is random and straight-line.
c)
The separation between the gas particles is smaller than the size of the gas particles themselves.
d)
The force of attraction between the gas particles is strong.
9.
Use the Ideal Gas Law for the following problem.
PV=nRT (R= 0.0821)
If I have 4 moles of a gas at a pressure of 5.6 atm and a volume of 12 liters, what is the temperature?
a)
204
b)
22
c)
1.38
d)
0.005
10.
Which of the following is a homogenous mixture?
a)
water
b)
a sugar-water solution
c)
whole wheat bread
d)
sugar
11.
Define the following term:
pH
a)
a measure of the hydrogen ion concentration of a solution
b)
the reactant that is used up in a chemical reaction that determines the amount of product(s) produced
c)
mathematical formula that describes the relationships among temperature, pressure, volume, and moles in ideal gases
d)
the extent to which a solute dissolves in a solvent
e)
the substance in which a solute is dissolved
12.
Define the following term:
Ideal gas law
a)
mathematical formula that describes the relationships among temperature, pressure, volume, and moles in ideal gases
b)
the reactant that is used up in a chemical reaction that determines the amount of product(s) produced
c)
a measure of the hydrogen ion concentration of a solution
d)
the extent to which a solute dissolves in a solvent
e)
the substance in which a solute is dissolved
13.
Define the following term:
Nuclear fission reaction
a)
the splitting of the nucleus of an atom, releasing energy
b)
the reactant that is used up in a chemical reaction that determines the amount of product(s) produced
c)
a measure of the hydrogen ion concentration of a solution
d)
mathematical formula that describes the relationships among temperature, pressure, volume, and moles in ideal gases
e)
the extent to which a solute dissolves in a solvent
14.
Vinegar (pH=2.8)
a)
Acid
b)
Base
c)
Ionic Compound
d)
Salt
15.
Define the following term:
Solubility
a)
the extent to which a solute dissolves in a solvent
b)
the reactant that is used up in a chemical reaction that determines the amount of product(s) produced
c)
a measure of the hydrogen ion concentration of a solution
d)
mathematical formula that describes the relationships among temperature, pressure, volume, and moles in ideal gases
e)
the substance in which a solute is dissolved
16.
The solubility of a salt in a given volume of water depends primarily on the —
a)
rate at which the salt and water are stirred.
b)
surface area of the salt crystals.
c)
temperature of the water
d)
pressure on the surface of the water.
17.
Define the following term:
Limiting reagent
a)
the reactant that is used up in a chemical reaction that determines the amount of product(s) produced
b)
a measure of the hydrogen ion concentration of a solution
c)
mathematical formula that describes the relationships among temperature, pressure, volume, and moles in ideal gases
d)
the extent to which a solute dissolves in a solvent
e)
the substance in which a solute is dissolved
18.
Which substance has the greatest molecular mass?
a)
CF4
b)
NO
c)
I2
d)
H2O2
19.
A balloon contains 5.4 liters of helium at 297 K and 1.0 atm. Suppose the gas in the balloon is heated to 307 K and the pressure remains constant. What is the new volume (assuming the balloon does not leak)?
Charles' Law Equation:
V1/T1 = V2/T2
a)
1.4 L
b)
5.2 L
c)
5.6 L
d)
15 L
20.
Find the pH of the following solution. Round to the nearest hundreds place.
[H+] = 9.75 x 10-4 M
pH Equation
pH= -log[H+]
(a)
21.
KOH
a)
Acid
b)
Base
c)
Ionic Compound
d)
Salt
22.
What is the total mass, in grams, of 0.75 mole of SO2?
a)
16 g
b)
24 g
c)
32 g
d)
48 g
23.
True or False
The higher the concentration of a solution the more solute it has in it.
a)
True
b)
False
24.
Human Blood (pH=7.4)
a)
Acid
b)
Base
c)
Neutral
25.
Find the pH of the following solution. Round to the nearest tenths place.
[H+] = 6.23 x 10-11 M
pH Equation
pH= -log[H+]
(a)
26.
Define the following term:
Solvent
a)
the substance in which a solute is dissolved
b)
the reactant that is used up in a chemical reaction that determines the amount of product(s) produced
c)
a measure of the hydrogen ion concentration of a solution
d)
mathematical formula that describes the relationships among temperature, pressure, volume, and moles in ideal gases
e)
the extent to which a solute dissolves in a solvent
27.
The molar mass of Ba(OH)2 is...
a)
171.34 g/mol
b)
154.3 g/mol
c)
308.6 g/mol
d)
155.3 g/mol
28.
What is the molarity of a solution that has 8.5 moles of solute dissolved in 5.1 L of solution? Round to the nearest tenths place.
Molarity Equation:
M=mol/V
(a)
29.
Ammonia (pH=11.0)
a)
Acid
b)
Base
c)
Ionic Compound
d)
Salt
30.
HNO2
a)
Acid
b)
Base
c)
Ionic Compound
d)
Salt
31.
H2O
a)
Acid
b)
Base
c)
Neutral
100 %
