Review Constants PeriodPart AA mixture initially contains A, B, and C in the following concentrations: A 0.650 M, B = 0.800 M, and [C] = 0.600 M. The followingreaction occurs and equilibrium is established:A + 2B CAt equilibrium, [A = 0.460 Mand [C] = 0.790M. Calculate the value of the equilibrium constant, Ke.Express your answer numerically.> View Available Hint(s)VO AE¢ΑΣΦK. =Submit7:43 PM/13/2020hp

The reaction and the given data is,

Answered: Review Constants Period Part A A…

Appl Of Ms Excel In Analytical Chemistry

2nd Edition

ISBN:9781285686691

Author:Crouch

Publisher:Crouch

Chapter12: Spectrochemical Methods

Section: Chapter Questions

Problem 3P

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A 50.00 mL volume of 0.0600M K2CrO4 is mixed with 50.00 mL 0.0800 M AgNO3. Calculate the concentration of Ag+, CrO42-, K+, and NO3- at equilibrium. The solubility product of Ag2CrO4(s) is 1.20 x 10-12. Please show work
In the synthesis of hydrocarbons, the carbon source is carbon dioxide. Although the CO2 concentra?on in the atmosphere raises at a drama?c speed, point sources are probably the easier sources for a PtX process. Iden?fy 3 possible point sources, explain why CO2 is formed and what challenges each of the three CO2 streams presents
It was determined by spectrophotometry that the moles of FeSCN2+ present at equilibrium was 2.00 x 10-4 moles (2.00 times 10 to the minus 4th power moles). If the sample was prepared using 4.00 x 10-3 moles (4.00 times 10 to the minus 3rd power moles) of Fe3+, how many moles of Fe3+ were present at equilibrium?
If the equilibrium constant for a reaction A + B <=> 2C is measured as Keq = 1.318. What would the value be for the same reaction if written as 2C <=> A + B. Keq' = ____. 3 sig. fig.
Jansen Gas creates three types of aviation gasoline(avgas), labeled A, B, and C. It does this by blendingfour feedstocks: Alkylate; Catalytic CrackedGasoline; Straight Run Gasoline; and Isopentane.Jansen’s production manager, Dave Wagner, hascompiled the data on feedstocks and gas types inTables 4.6 and 4.7. Table 4.6 lists the availabilitiesand values of the feedstocks, as well as their keychemical properties, Reid vapor pressure, and octanerating. Table 4.7 lists the gallons required, theprices, and chemical requirements of the three gastypes. Table 4.6 Data on Feedstocks Feedstock Alkylate CCG SRG Isopentane Gallons available (1000s) 140 130 140 110 Value per gallon $4.50 $2.50 $2.25 $2.35 Reid vapor pressure 5 8 4 20 Octane (low TEL) 98 87 83 101 Octane (high TEL) 107 93 89 108 Table 4.7 Data on Gasoline Gasoline A B C Gallons required (1000s) 120 130 120 Price per gallon $3.00 $3.50 $4.00 Max Reid pressure 7 7 7 Min octane 90 97 100 TEL level Low High High Note that each feedstock…
Potassium dichromate has several industrial applications. To determine the purity of the salt that will be used in different industrial processes, a sample mass equal to 2.660 g was dissolved and quantitatively transferred to a 500.00 mL flask. An aliquot of 25.00 mL of this solution was treated with excess KI and the released iodine was titrated with 0.1000 mol L-1 sodium thiosulfate, spending 27.00 mL. Calculate the purity of the analyzed salt. Data:K = 39.10 O = 16.00 Cr = 52.00 I = 126.9 S = 32.07
If the Ksp for the dissolution of barium phosphate is 6.00*10^-39 then what is the equilibrium concentration of barium cations in solution if excess barium phosphate is added to water? Give typing answer with explanation and conclusion
The dissociation expression of a dilute aqueous solution of acetic acid is shown as: CH3COOH(aq) + H2O(l) <-> CH3COO-(aq) + H3O+(aq) True False
Estimate the equilibrium constant for the system indicated at 25oC. 3 Mg2+ + 2 Al --> 3 Mg + 2 Al3+ A. ~10-36 B. ~1069 C. ~1023 D. ~10-24 E. ~10-72
The acid-dissociation constant for chlorous acid (HClO2) is1.1 x 10-2. Calculate the concentrations of H3O+, ClO2-,and HClO2 at equilibrium if the initial concentration ofHClO2 is 0.0125 M.
1.For the aqueous reaction A + B à C + D, the equilibrium concentrations in moles per liter are [A] = 0.002, [B] = 0.005, [C] = 0.00004 [D] = 0.00025 i. What is the equilibrium constant Keq? ii. What is the dissociation constant pK? a. The partial pressure of gas A is 10 ppmv. It has a Henry’s constant for dissolution in water of KH = 0.02
If all other variables were kept constant, determine theeffect that the following errors would have on the calculatedpercent yield of the product. Would the yield be expected toincrease, decrease, or would there be no effect? Explainyour reasoning.– The product was insufficiently dried before weighing.– Some of the product was lost during the transfer fromthe Buchner funnel to the evaporating dish.– 7.5 mL of FeCl3 was added instead of 3.0 mL asoutlined in the procedure.– 4.587g of K2C2O4H2O was used instead of exactly4.000g .– The recrystallization step was skipped and theexperiment went straight to vacuum filtration.

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