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##### 22: Preparation of Aspirin 94'Page HI5QuestionsExplain the differences in the purity of the three samples of aspirin tested: Despite the fact that the acidic phenolic group has been replaced with the acetate group in aspirin, some people still have problems with aspirin irritating their stomach lining: Why?BufferinTM is aspirin mixed with MgCO;. What is the purpose of the magnesium carbonate in the formulation?A student prepares aspirin and finds her yield is greater than 100%. Assuming al

22: Preparation of Aspirin 94' Page HI5 Questions Explain the differences in the purity of the three samples of aspirin tested: Despite the fact that the acidic phenolic group has been replaced with the acetate group in aspirin, some people still have problems with aspirin irritating their sto...

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##### Multiply the following matrices:[2 7202Answer Choices;Matrix AMatrix BMatrix â‚¬47T62Select one Matrix AMatrix BMatrix â‚¬Lio

Multiply the following matrices: [2 72 0 2 Answer Choices; Matrix A Matrix B Matrix â‚¬ 47 T6 2 Select one Matrix A Matrix B Matrix â‚¬ Lio...

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##### 6 1 Ejra | 8 9555 1 1 1 MF L Ee8e 1 1 iEZ 5588 E I 1 | 1 1 1 | 1 1 k 1 | 1 1 1 1 1 1 6 1 1 L [ } 8 } H 1 1 1 1 1

6 1 Ejra | 8 9555 1 1 1 MF L Ee8e 1 1 iEZ 5588 E I 1 | 1 1 1 | 1 1 k 1 | 1 1 1 1 1 1 6 1 1 L [ } 8 } H 1 1 1 1 1...

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##### A22. Let the profit function for a particular item be P(x) =-10x? + 160x 100_ Use differentials to approximate the increase in profit when production is increased from 5 to 6.a) 30b) 40c) 556070

A22. Let the profit function for a particular item be P(x) =-10x? + 160x 100_ Use differentials to approximate the increase in profit when production is increased from 5 to 6. a) 30 b) 40 c) 55 60 70...

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##### Below is the p.d.f for the random variable X1x 0<x< 4 8 otherwisef(x) =Find the expected value of x: E(X) = Hx

Below is the p.d.f for the random variable X 1x 0<x< 4 8 otherwise f(x) = Find the expected value of x: E(X) = Hx...

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##### QUESTION 2 (Total 42 marks) Part (A) Given the following initial simplex tableauSol.Basis250Which variables are the Basic variables for the initial Simplex tableau? What are the current values of the decision variables?What is the current value of the objective function? Which is the entering variable? Which is the leaving variable?[I+l+l+2=5 marks]

QUESTION 2 (Total 42 marks) Part (A) Given the following initial simplex tableau Sol. Basis 250 Which variables are the Basic variables for the initial Simplex tableau? What are the current values of the decision variables? What is the current value of the objective function? Which is the entering v...

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##### Question Consider the following general reaction:A +B + CGIven that the rate Iaw for thls reaction Tute K[AIIB] what the overall reaction order?Provide your answer below:

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##### Note: 3 Find the point) Find Ine partial Consider You can eam partial credit on this {F(s)} Inverse Laplace Iracilon the function F() problem transtorm of F( s) decomposition of F( s)help (fornulas)

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##### Length of latus rectum of the parabola is(a) $frac{9}{sqrt{41}}$(b) $frac{7}{sqrt{41}}$(c) $frac{5}{sqrt{41}}$(d) $frac{1}{sqrt{41}}$

Length of latus rectum of the parabola is (a) $frac{9}{sqrt{41}}$ (b) $frac{7}{sqrt{41}}$ (c) $frac{5}{sqrt{41}}$ (d) $frac{1}{sqrt{41}}$...

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##### Part ACalculat8 the Dolentia aneray are infinmely waparatecsystBMWVc smail spnerBs or8 CaryiracharaeAC and t78 ol7e charge50 pC Wvith theim centers epalleddistance CI 0.BCAssuma that Vwhen IheExpre5sansiver With tne appropriate unitsValueUnitsSubmitReques AneatatPart BSupposu lhal orie sphere place: Iha olher sphere wilh rrass shol away Irorr Whal rr nir} Urri initial Soad would [ne rriovirg Sunury Nekc escape movIrIg sphlBre Would have Bacm velucil zerj whan il is inlnitely Lrarr] #Fe Iac spher

Part A Calculat8 the Dolentia aneray are infinmely waparatec systBM WVc smail spnerBs or8 Caryira charae AC and t78 ol7e charge 50 pC Wvith theim centers epalled distance CI 0.BC Assuma that V when Ihe Expre5s ansiver With tne appropriate units Value Units Submit Reques Aneatat Part B Supposu lhal o...

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##### Use any method to find the area of the region enclosed by the curves. $$y=\sqrt{25-x^{2}}, y=0, x=0, x=4$$

Use any method to find the area of the region enclosed by the curves. $$y=\sqrt{25-x^{2}}, y=0, x=0, x=4$$...

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##### Fnd ue j ' the 76 7 Ilne the graph of f at the given point.

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##### Suppore T j & linear tranaformation_ and -([H) = [9: -(H)- RJ Compuce ([a)

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##### Rate Law Table [SzOx" ] [T]Rate (4S20374) -6 0.050 M Slope #1 = 765 x)0 Experiment #| 0.050 M 0.10OL0.100 M 0.050 M Slope #2 = 2.01x10 Experiment #2 0.100L Slope 1.12 = xb-5 Experiment #3 0.050 M 0.100 M 0.100LReaction Order for [Sz08*1:Reaction Order for [I]:units for k areRate constant kkL it all logether in the rate law: Rate Now put

Rate Law Table [SzOx" ] [T] Rate (4S20374) -6 0.050 M Slope #1 = 765 x)0 Experiment #| 0.050 M 0.10OL 0.100 M 0.050 M Slope #2 = 2.01x10 Experiment #2 0.100L Slope 1.12 = xb-5 Experiment #3 0.050 M 0.100 M 0.100L Reaction Order for [Sz08*1: Reaction Order for [I]: units for k are Rate constant ...

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##### 16. Which of the following statement is true about why DNA used in cells rather than RNA? DNA is more stable than RNA b. DNA has double stranded DNA is produced easily d. DNA bases are more stable than RNA_ Deamination can fixed

16. Which of the following statement is true about why DNA used in cells rather than RNA? DNA is more stable than RNA b. DNA has double stranded DNA is produced easily d. DNA bases are more stable than RNA_ Deamination can fixed...

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##### Consider someone walking along Chicago" Magnificent Mile in January- As the pedestrian trics aid pigcon in front of the Walgreens, his foot contacts an icy portion ground. Shortly after hcel-strike, the ground applies force Ihat is 450 N upward and anterior at an angle of 80? (with respect t0 the ground) Thc coclficicnt ol dynamic friction between the walker" shoe and ice is 0.009 Answer thc following:Determine the vertical ground reaction force (GRF,) shortly alter heel-strike: (2 poi

Consider someone walking along Chicago" Magnificent Mile in January- As the pedestrian trics aid pigcon in front of the Walgreens, his foot contacts an icy portion ground. Shortly after hcel-strike, the ground applies force Ihat is 450 N upward and anterior at an angle of 80? (with respect t0 t...

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##### DATA: mae experiment: This should include Obscrvations: (Record all observations you during nmusua noticed durng difficulties transferring the benzophenone into the tube, anything sample the = ati Or the melting difficulties transfcrring tha unknowt the (ubt; melting thermometer incomplcte melting problems wich mixing anything unusual during the ofthe unknown, ctc )Data CollectedTrial Trial 2AverageWcight of unknown (g)1,013 30/71,014Weight of benzophenone (g)3,017Frcering Point = purc benzophe

DATA: mae experiment: This should include Obscrvations: (Record all observations you during nmusua noticed durng difficulties transferring the benzophenone into the tube, anything sample the = ati Or the melting difficulties transfcrring tha unknowt the (ubt; melting thermometer incomplcte melting ...

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##### Atm , how much encrgy is rcquircd to hcat 67.0 g H,O(s) at 20.u "Cto H,O(g) at 147.0 'C? Usc the heal Lranler constants found in this table:

atm , how much encrgy is rcquircd to hcat 67.0 g H,O(s) at 20.u "Cto H,O(g) at 147.0 'C? Usc the heal Lranler constants found in this table:...

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##### (7 points) Determine if the following series converges absolutely; converges condi- tionally; or diverges. Justify your answer:

(7 points) Determine if the following series converges absolutely; converges condi- tionally; or diverges. Justify your answer:...

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##### A colony of mosquitoes has an initial population of 1500. After days, the population is given by A(t) = 1500e0.4t which describes the mosquito population after t days, what is the rate of change of A(t) after 3.5 days? (round your answer in whole number)Answer:

A colony of mosquitoes has an initial population of 1500. After days, the population is given by A(t) = 1500e0.4t which describes the mosquito population after t days, what is the rate of change of A(t) after 3.5 days? (round your answer in whole number) Answer:...