Semester II Review
Semester II Review
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Name the compounds
H2SO3
H2S
H3PO4
HCN
H3P
HBr
HClO
Semester II Review
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Give the formula for the following compounds
hydrofluoric acid
hydroselenic acid
carbonic acid
nitrous acid
sulfuric acid
hydrobromic acid
Chlorous acid
Semester II Review
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Antimony tribromide
Silicon difluoride
Tetracarbon octahydride
Dinitrogen monoxide
Pentaphosphorous decoxide
Sulfur hexachloride
Semester II Review
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P2O5
SO2
NO2
AsCl3
P4H8
Semester II Review
• For the following compound, draw its
Lewis structure, give the electron tally,
hybridization, name of shape, determine if
it is polar or not, and identify the
Intermolecular Forces.
• SO2
Semester II Review
• For the following compound, draw its
Lewis structure, give the electron tally,
hybridization, name of shape, determine if
it is polar or not, and identify the
Intermolecular Forces.
• NH3
Semester II Review
• For the following compound, draw its
Lewis structure, give the electron tally,
hybridization, name of shape, determine if
it is polar or not, and identify the
Intermolecular Forces.
• SO42-
Semester II Review
• Balance and classify the reactions
• ____ C8H18 + ____ O2  ____ CO2 + ____ H2O
• ____ FeCl3 + ____ NaOH  ____ Fe(OH)3 + ____NaCl
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____ P + ____O2  ____P2O5
____ Na + ____ H2O  ____ NaOH + ____H2
____ Ag2O  ____ Ag + ____O2
____ S8 + ____O2  ____ SO3
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SM II Review
Complete, Balance, and Classify each
Rxn
Al + S 
NaCl + AgNO3 
C3H8 + O2 
H 2O 
Li + Na2CO3 
In every chemical reaction, what item(s)
is/are conserved?
SM II Review
• For a given chemical reaction, the
theoretical yield is ____ than the
actual yield
• The first step in most stoichiometry
problems is to _____.
SM II Review
• Hydrogen gas reacts with nitrogen gas to form
ammonia gas.
– Write and balance the equation
– Determine the Limiting reactant if 3.50 g of
hydrogen reacts with 42.0 g of nitrogen.
– What is the theoretical yield of the above
problem?
– What is the % yield if the reaction produced
15.3 g of ammonia.
– Calculate the amount of grams of excess
reactant leftover at the end of the reaction.
SM II Review
• What is the empirical formula of a
compound that is 32.37 % Na, 22.58 % S,
and 45.05 % O.
• If the molecular formula molar mass is
284.10, what is the molecular formula of
the above compound.
• What is the percent composition of FeO?
SM II Review
• Calculate the specific heat of an unknown
metal, given that 25.0g of the metal lost
3570 J of energy during a temperature
change from 100.0oC to 25.0oC
SM II Review
• Identify each of the
letters on the graph
and explain what is
occurring.
G
F
E
D
C
SM II Review
• Label the solid, liquid,
and gas regions on
the graph.
• Label the triple point
and critical point
• At 600oC and 90 atm,
what phase is
yummygum in?
SM II Review
• Calculate the amount of heat released if
25.0g of steam is cooled from 150.0 oC to
(-15.0 oC)
• Phase 1
• Phase change
• Phase 2
• Phase change
• Phase 3
SM II Review
• If the volume of a container holding a gas
is reduced, what will happen to the
pressure within the container?
• What happens to the temperature of a gas
when it is compressed?
• What happens to the pressure of a gas
inside a container, if the temperature of the
gas is lowered?
• The volume of a gas is doubled while the
temperature is held constant. How does
the gas pressure change?
SM II Review
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Boyle’s law states that _____.
Charles’ law states that _____.
Gay-Lussac’s law states that ______.
Avogadro’s law states that ______.
Dalton's Law states that _______.
Semester II Review
• How many grams of CO2 are produced
when 34.6 L of CH4 combusts with oxygen
at a pressure of 1.78 atm and a
temperature of 28oC.
• Balance the equation first. (combustion of
hydrocarbon)
SM II Review
• A gas confined in a 305 mL container
exerts a pressure of 1.07 atm at 38.6°C. At
what Celsius temperature will it exert a
pressure of 2.75 atm if it is placed into a
644 mL container?
SM II Review
• What is the pressure inside a 3.0 L flask if
30.5 g of Carbon Monoxide is held at a
temperature of 105.2 oC?