Semester II Review
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Transcript of Semester II Review
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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
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• Antimony tribromide
• Silicon difluoride
• Tetracarbon octahydride
• Dinitrogen monoxide
• Pentaphosphorous decoxide
• Sulfur hexachloride
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• P2O5
• SO2
• NO2
• AsCl3• P4H8
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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
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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
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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-
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• 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
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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?
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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 _____.
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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.
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• 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?
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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
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SM II Review
• Identify each of the letters on the graph and explain what is occurring.
C
D
E
F
G
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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?
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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
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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?
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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 _______.
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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)
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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?
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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?