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Drill: Calculate the % composition of: CaCO 3 & H 2 SO 4. AP Final Review. Review Chapters 4 & 5 in the Kaplan AP CHM Book. AP CHM HW. Problems: 3 & 4 From the Final Review. Drill: Draw ECs, EDDs, QNs, & possible ox #s for:. Mg Br Mn. Continue on the Midterm Review. AP CHM HW.
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AP CHM HW • Problems: 3 & 4 • From the Final Review
AP CHM HW • Problems: 11 & 12 • From the Final Review
Drill: Calculate the molarity, molality, & mole fraction of a 1.05 g/mL solution containing3.00 g of CH3COOH in 17.1 g of water.
AP CHM HW • Problems: 10 & 13 • From the Final Review
Drill: Calculate the number of oxygen atoms in 16 g of Fe2(SO4)3
AP CHM HW • Problems: 22 • From the Final Review
AP Review Drill: When XS HCl is added to 10.0 g of impure CaCO3, 831 mL CO2 was collected at 27oC under 150 kPa pressure. Determine: a) rxn. b) moles CaCO3 in sample. c) % CaCO3 in sample.
Chemical Reactions • Predict, balance, & write the net ionic reaction for each of the following:
Solutions of zinc(II) sulfate and sodium phosphate are mixed.
Solutions of silver(I)nitrate and lithium bromide are mixed.
Solid potassium is added to a solution of Copper(II)nitrate.
Aqueous hydrochloric acid is added to a solution of potassium hydroxide.
Aqueous Acetic acid is added to a solution of potassium hydroxide.
Equimolar portions of hydrochloric acid & potassium sulfite are combined.
Excess hydrochloric acid is added to a solution of potassium sulfite.
Excess nitric acid is added to a solution of sodium carbonate.
A solution of tin(II)chloride is added to an acidified solution of potassium dichromate.
Aqueous ammonia or potassium thiocyanate is added to a solution of copper(II)chloride
M combines with O making MO. X combines with K making K3X.Determine subscripts for MaXb:
Determine the empirical formula for a compound containing: 60.0 % C, 8.00 % H, & 32.0 % O.
Ore Emp % by mass # Form Cu S Fe 1 Cu2S ? ? 0 2 ? 34.6 34.9 30.5 3 ? 55.6 28.1 16.3
The following is 47 % O HClO HClO2 HClO3 HClO4
Drill: Draw LDDs for: XeCl4 CCl4 SCl4 PCl5 SCl6 ICl3
Drill: Draw LDDs for: SO2 HNO2 HNO3 C6H6
List & describe 4 types of intermolecular or Van der Waals forces:
Predict MP trend for: • Any metal column • Any nonmetal column • Columns of corresponding salts
Calculate the volume of NO2 produced at STP when 6.4 mg N2H4 react with excess oxygen gas forming NO2 & H2O.
Calculate the mass of CaSO4 produced when 11.1 g CaCl2 react with 250 mL 0.25 M H2SO4.
In the thermite rxn, 5.1 g of Al2O3 was produced when 16 g Fe2O3 react with xs aluminum. Calculate % yield.
Calculate the mass of solid produced when 11.1 g CaCl2 react with 250 mL 0.50 M Pb(NO3)2.
CxHy is burned in air producing 8.96 L CO2 at STP & 5.4 g of H2O. Calculate: EF of CxHy
CxHy is burned in air producing 4.48 L CO2 at STP & 5.4 g of H2O. b) Calculate the MF if CxHy gas occupied 2.24 L at STP.
CxHy is burned in air producing 4.48 L CO2 at STP & 5.4 g of H2O. c) Write the balanced rxn for the combustion reaction.