Chapter 1 (Chemical Foundations)
Chapter 2 (Atoms, Molecules, Ions)
Chapter 3 (Stoichiometry)
Organic
Chapter 4 (Types of Chemical Reactions and Solution Stoichiometry)
100
True or False
Both Liquids and Gases have a definite volume but no specific shape.
False
100
True or False
Electrons and Neutrons are found in the Nucleus, with Neutrons weighing more heavily in mass
False
Electrons found outside of Nucleus
100
Calculate the mass percent for Magnesium in Magnesium Nitrate.
16.22%
100
What are the 2 structural isomers of Butane?
Only write the name.
Butane and Isobutane
100
What 2 things does the solubility of substances in water depend on?
1) Relative attractions of the ions
2) Ion attractions for water molecules
200
Convert 54 F to C.
12.22 CO
200
Write the names of each compound in the chemical equation.
HCLO2+ NaOH --> H2O + NaCLO2
Chlorous Acid + Sodium Hydroxide --> Water + Sodium Chlorite
200
How many grams of Barium Sulfate will be formed if you start with 100 grams of Barium Chloride? Show coefficients for balancing.
BaCl2 + Na2SO4-->
Balancing: 1 BaCl2 + 1 Na2SO4 --> 1 BaSO4 + 2 NaCl
Mass: 112.56 grams BaSO4
200
3- Ethyl, 3 Methyl - Pentane
200
True or False
Aqueous solution is a solution in which water is the solute.
False
It is the solvent.
300
True or false (Classification of Matter):
Distillation can not be used to separate a mixture into separate compounds, but can separate compounds into single elements.
False
It may only separate mixtures into compounds but can not decompose them into single elements.
300
Identify the amount of Neutrons through the given element.
Cite: http://www.zinoproject.com/b2evolution3/index.php/blog15/
12
300
If you start with 35 grams of Hydrochloric acid, how many liters of Lithium chloride will be produced? Complete the equation and show answers for balancing.
HCl + Li2SO4 -->
2 HCl + 1 Li2SO4 --> 1 H2SO4 + 2 LiCl
21.78 Liters LiCl
300
Using the general formula of Alkanes, determine its full formula with 10 Carbons.
C10H20
300
Is the following compound paired incorrectly?
Ba(OH)2 - Strong Acid
No, it is a Strong Base
400
Identify the type of change. (Physical/Chemical).
Separating individual metals from a homogenous alloy.
Physical Change
Although the composition is being decomposed, its composition consists of the same parent elements/products. (No change). Meaning, it is a physical change due to the physical change in form.
400
Write the formula of the following covalent compounds.
Diphosphorus pentoxide
Tetrasulfur heptafluoride
P2O5
S4F7
400
Balance the equation and find the percent yield if 5.32g of As2O3 is used and 3.22g of As is produced.
As2O3 + H --> OH + As
1 As2O3 +3 H --> 3 OH + 2 As
% yield= 79.89% of As
400
Name the following alcohol.
400
Weak Electrolytes include substances that dissolve in water/do not produce ions.
Is this true? If not, what kind of electrolytes match the description?
Not true.
= Nonelectrolytes
500
Given that the density of iron = 7.874 g/cm3, how many cubic centimeters of iron are needed to give a mass of 8.35 x 104 g?
1.06 x104 cm3
500
Out of the following list of protons, which are cations? Name the element as well.
28, 31, 51, 17
28- Nickel
31- Gallium
51- Lead
500
How many milligrams of Sodium nitrate will be needed to make 112 grams of Sodium sulfate? Complete the equation with the formulas and show answers for balancing.
Sodium nitrate + lead (IV) sulfate -->
4 NaNO3 + 1 Pb(SO4)2 --> 2 Na2SO4 + 1 Pb(NO3)4
Mass: 1.34x105 mg NaNO3
500
What is the name of a ketone with 2 carbons on the left and 3 on the right.
3- Hexanone or Ethyl-Propyl Ketone
500
Identify the type of reaction:
C2H6O2 + O2 --> CO2 + H2O
Combustion