drill: calculate the % composition of: caco 3 & h 2 so 4
DESCRIPTION
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:. MgBrMn. Continue on the Midterm Review. AP CHM HW. - PowerPoint PPT PresentationTRANSCRIPT
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Drill: Calculate the %
composition of:CaCO3 & H2SO4
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AP Final Review
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Review Chapters 4 & 5 in the Kaplan
AP CHM Book.
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AP CHM HW•Problems: 3 & 4•From the Final Review
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Drill: Draw ECs, EDDs, QNs, &
possible ox #s for:
Mg Br Mn
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Continue on the Midterm
Review
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AP CHM HW•Problems: 11 & 12•From the Final Review
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Drill: Calculate the molarity, molality, & mole
fraction of a 1.05 g/mL solution containing
3.00 g of CH3COOH in 17.1 g of water.
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Continue on the Midterm
Review
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AP CHM HW•Problems: 10 & 13•From the Final Review
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Drill: Calculate the number of
oxygen atoms in 16 g of Fe2(SO4)3
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Continue on the Midterm
Review
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AP CHM HW•Problems: 22•From the Final Review
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AP Review Drill:When XS HCl is added to 10.0 g ofimpure CaCO3, 831 mL CO2 was
collected at 27oC under 150 kPapressure. Determine: a) rxn.b) moles CaCO3 in sample.
c) % CaCO3 in sample.
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Chemical Reactions•Predict, balance, &
write the net ionic reaction for each of
the following:
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Solutions of zinc(II) sulfate and sodium
phosphate are mixed.
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Solutions of silver(I)nitrate and lithium bromide are
mixed.
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Solid potassiumis added to asolution of
Copper(II)nitrate.
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Aqueous hydrochloric acid is added to a solution
of potassium hydroxide.
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Aqueous Acetic acid is added to a solution
of potassium hydroxide.
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Equimolar portions of hydrochloric acid & potassium sulfite are
combined.
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Excess hydrochloric acid is added to a
solution of potassium sulfite.
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Excess nitric acid is added to a solution
of sodium carbonate.
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Solid sodium oxide is added to
water.
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Aqueous ammonia is added to a solution of
iron(III)chloride
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Samples of boron trichloride and
ammonia gas are mixed.
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Carbon disulfide vapor is burned in
excess oxygen.
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Solid zinc is added to aqueous silver(I) nitrate.
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Solid barium carbonate is
heated.
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Solid sodium bicarbonate is
heated.
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A solution of tin(II)chloride is
added to an acidified solution of potassium
dichromate.
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Aqueous ammonia or potassium thiocyanate is added to a solution of copper(II)chloride
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Propanol is burned in excess
oxygen.
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Sulfur dioxide gas is bubbled through water
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Determine % composition of all
elements in Fe2(SO4)3
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M combines with O making MO. X
combines with K making K3X.
Determine subscripts for MaXb:
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Determine the empirical formula for
a compound containing: 60.0 % C, 8.00 % H,
& 32.0 % O.
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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
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The following is 47 % O
HClO HClO2
HClO3HClO4
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Drill: Draw LDDs for:XeCl4 CCl4
SCl4 PCl5
SCl6 ICl3
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Drill: Draw LDDs for:
SO2 HNO2
HNO3 C6H6
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List & describe 4 types of
intermolecular or Van der Waals
forces:
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Predict MP trend for:•Any metal column•Any nonmetal column•Columns of corresponding salts
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Calculate the volume of NO2 produced at STP when 6.4 mg
N2H4 react with excess oxygen gas forming
NO2 & H2O.
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Calculate the mass of CaSO4 produced when
11.1 g CaCl2 react with 250 mL 0.25 M
H2SO4.
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In the thermite rxn, 5.1 g of Al2O3 was
produced when 16 g Fe2O3 react with xs
aluminum. Calculate % yield.
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Calculate the mass of solid produced when
11.1 g CaCl2 react with 250 mL 0.50 M
Pb(NO3)2.
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CxHy is burned in air producing 8.96 L CO2 at STP & 5.4 g of H2O. Calculate: EF of CxHy
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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.
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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.
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CxHy is burned in air producing 4.48 L CO2 at STP & 5.4 g of H2O. d) What was the mass
of CxHy burned?
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Calculate the volume of 2.0 moles of gas
under 83.1 kPa pressure at 127oC:
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Calculate the mass of 831 L of
CO2 at 167oC under 150 kPa
pressure:
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Calculate the molecular mass of
5.0 g of gas in 831 mL under 250
kPa at 227oC
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Calculate the molecular mass of a
40 % solution of molecular solute in water that boils at
101.024oC
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30 g C3H6NF was dissolved in 50 g
C6H12O at 27oC making a 0.800 g/mL solution. Calculate X, mo, M, ,
VP, BP, & FP.
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Drill:Calculate H, G, & S in the production of 831mL
ammonia at 227oC under 250.0 kPa pressure
Compd NH3
Hfo -46.1
Gfo -16.5
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Lab Results: Cup H2O NaOH Thermo
5.0 g 50.0 g 4.0 g 15.0 g Ti = 22.0oC Tf = 27.0oCCmpd NaOH Na+
OH-
Hfo -425.6 -240.1 -230.0
Determine: theoretical and experimental heat changes
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A B: K1 = 2.0 x 10-4
2 A 2 B: K2 = ? 3 A 3 B: K3 = ?
B A: K4 = ? 1/2 A 1/2 B: K5 = ?
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When 2.00 g NaOH dissolves in a 1.0 L water in a 2.5 kg calorimeter, the temp. went
from 22.5oC to 26.5oC. Calculate: Ho
soln Cwater = 4.18 J/gK Ccal = 2.00 J/gK
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Lab Results: Cal H2O KOH 1500 g 750 g 25.0 g Ti = 22.0oC Tf = 26.0oCCmpd KOH K+
OH-
Hfo -424.7 -246.1 -230.0
Determine: theoretical and experimental heat changes
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Lab Results: Cal H2O KOH 1500 g 750 g 25.0 g Ti = 22.0oC Tf = 26.0oCCmpd KOH K+
OH-
Hfo -424.7 -246.1 -230.0
Determine: theoretical and experimental heat changes
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Drill: Hrxn = -1500 kJ
Srxn = +300 J/K
Calculate Teq:
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Experimental ResultsExp # T [A] [B] Rate
1) 27oC 0.10 0.10 2 2) 27oC 0.30 0.10 18 3) 27oC 0.10 0.20 4 4) 77oC 0.10 0.10 20
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Solve Rate ExpressionA + B C + D fast4C + A 2G fast4D + B 2K fastG + K Q + W slowQ + W Prod. fast
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1A + 1B 1C + 1DCalculate the equilibrium
concentrations of each species when 2.0 M A is
mixed with 3.0 M B.Kc = 0.25
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1A + 1B 1C + 1DCalculate the equilibrium
concentrations of each species when 150 ml 2.0 M A is mixed with 100.0
ml 2.0 M B. Kc = 0.25
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Calculate [H+],[OH-], pH, & pOH of 0.010 M HC7H5O2 (HBz)
Ka = 6.4 x 10-5
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Calculate the Ka of 0.20 M Hquack
when it ionized 5.0 % in an aqueous
solution.
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The pH of a 0.79 M solution of Hnut is 3.10.
Calculate its Ka
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Calculate [H2CO3], [HCO3
-], [CO3-2], [H+],
[OH-], & pH of 0.44 M H2CO3 Ka1 = 4.4 x 10-7
Ka2 = 4.7 x 10-11
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Calculate [H+],[OH-], pH, & pOH of 0.10 M HC7H5O2 (HBz)
in 0.20 M KBzKa = 6.4 x 10-5
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Drill:Calculate the pH of 0.10 M HF:Ka = 4.0 x 10-4
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Calculate [H+],[OH-], pH, & pOH of 0.10
M HFin 0.20 M KFKa = 4.0 x 10-4
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Calculate [H+],[OH-], pH, & pOH of 0.20
M KFKa = 4.0 x 10-4
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Calculate the solubility of MX(s)
Ksp MX = 2.5 x 10-9
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Calculate the solubility of MX2
Ksp = 3.2 x 10-11
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MNO3 is added to a solution of 0.10 M KX
& 0.10 M K2Y.Ksp MX = 3.6 x 10-7
Ksp M2Y = 2.5 x 10-11
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Calculate the solubility of MX2
in 1.0 M M(NO3)2 Ksp = 3.6 x 10-11
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Drill: Describe the lab to
determine rxn rate expression.
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Describe the lab to determine the molarity of an
acid.
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Describe the lab to determine % yield of heat of
rxn.
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Drill: Determine all when a cell with an Al electrode in AlCl3(aq) is
connected to a cell with a Zn electrode in ZnBr2(aq)
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Determine the rxn that takes place when
electricity is passed through two Pt
electrodes in CdCl2(aq)
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• Determine the voltage of a cell with a copper
electrode in 0.10 M CuNO3 & a zinc
electrode in 1.0 M Zn(NO3)2 at 27oC
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Calculate the years required to plate 216 kg onto the cathode when a 96.5 mAmp current is applied to a solution of
AgNO3
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Drill: List & describe all of the
radioactive particles.
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Determine Products:1) emission of Ra-226 2) emission of Ba-139
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A sample diminishes from 0.500 % C-14 to
0.00300 % C-14 in _____ years
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List & describe the 10 organic prefixes dealing with carbon
chain length.
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Name & draw all organic functional groups containing
either oxygen and/or nitrogen.
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A compound is66.5 % C, 9.44 % H, & the rest is O.
Determine its empirical formula.