EOC review III
What type of bond is in methane?
Write lewis structure for the following.
F2
N2
Br2
H2
What is the type and geometric shape of the bonds for water.
Which contains nonpolar bonds and is a nonpolar molecule?
Methane
florine
hydrofloric acid
hydrochloric acid
What is the % mass of oxygen in nitric acid?
Define empirical formula…
Calculate empirical formula for 8.52g of carbon, 1.42g of
hydrogen.
What is the mass of 4.2 moles of NO2?
What does hydrate or hydrant mean?
If empirical formula is CH3 what could be the
molecular formula?
List characteristics of:
ionic compound
molecular/covalent compound
Which two solutions will undergo a double
replacement reaction and form a white solid
substance?
NaCl (aq) and LiNO3 (aq)
KCl (aq) and AgNO3 (aq)
KCl (aq) and LiCl (aq)
NaNO3 (aq) and AgNO3 (aq)
All of the following are gases.
2C2H2 + 5O2
4CO2 + 2H2O
How many grams of oxygen are needed to
react completely with .4 moles of ethyne?
Cu + 4HNO3
Cu(NO3)2 + 2H20 + 2NO2
Using 32 grams of copper how much of each
product is produced ? Answer in grams
Calculate the number of molecules in 12
grams of methane and the gas volume it
would occupy.
Using the combined gas law, what do you have to do to the
temperature to double the volume of a gas.
2 liters of He at STP is increased to 27degree C and the pressure
decreased to 80kPa. What is new volume?
A flask contains 3 gases. Partial pressure of gas A = 30atm,
gas B = 20atm, gas c = 60atm. What is the total pressure? The
container can hold a pressure of 100atm . What is going to
happen?
A real gas differs from an ideal gas because a real gas
(does/does not) have an attraction toward the other
molecules.
One mole of any gas has the same number of _________ and
occupies the same __________ at STP.
What is the concentration of a solution of 12 moles of Iron II
Nitrate in 3 liters of solution?
Which conducts electricity the best?
Gas, liquid, solid, aqueous solution
30ml of .8M HCl is diluted to 70ml. What is the new
concentration?
What is the pH of a hydrogen ion concentration 3.5 x 10-8 mole
per liter? What is the pOH?
What is the hydroxide ion concentration of a
solution with a pH of 5?
Arrange in increasing entropy.
Gas, liquid, solid
What can a chemist do
to increase the rate of a chemical reaction?
50g of water heated from 20degrees c to 45 degrees c. How
much heat energy was absorbed?
Label the Potential
Energy graph
Which forms a molecular solid made up of polar molecules?
Sodium chloride, helium, diamond, water
Given the nuclear equation the letter represents…..
232
90
Th
228
88
Ra + X
An electron has a charge identical to what nuclear
particle?
The half-life of carbon-14 is 5,730 years. How much of a
2 g sample would be left after 17,190 years?
Explain nuclear fusion and fission
OIL
Oxidation is losing e-
4HCl + MnO2
RIG
reduction is gaining e-
MnCl2 + 2H20 + Cl2
Identify what is being oxidized or reduced
What is the % of oxygen in sulfuric acid?
What is the % of water in the hydrant
Copper II Sulfate 7H20