Semester II Review

• Name the compounds• H2SO3

• H2S

• H3PO4

• HCN• H3P• HBr• HClO

Semester II Review

• Give the formula for the following compounds• hydrofluoric acid• hydroselenic acid• carbonic acid• nitrous acid• sulfuric acid• hydrobromic acid• Chlorous acid

Semester II Review

• Antimony tribromide

• Silicon difluoride

• Tetracarbon octahydride

• Dinitrogen monoxide

• Pentaphosphorous decoxide

• Sulfur hexachloride

Semester II Review

• P2O5

• SO2

• NO2

• AsCl3• P4H8

Semester II Review

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-

• Balance and classify the reactions

• ____ C8H18 + ____ O2 ____ CO2 + ____ H2O

• ____ FeCl3 + ____ NaOH ____ Fe(OH)3 + ____NaCl

• ____ P + ____O2 ____P2O5

• ____ Na + ____ H2O ____ NaOH + ____H2

• ____ Ag2O ____ Ag + ____O2

• ____ S8 + ____O2 ____ SO3

Semester II Review

SM II Review• Complete, Balance, and Classify each Rxn

1. Al + S 2. NaCl + AgNO3

3. C3H8 + O2

4. H2O

5. 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.

• 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

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.

C

D

E

F

G

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

• 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?