A polyester is formed from this reaction (step growth)HoOH + HOA) draw the polymer productB) draw the mechanism for both a acid catalyzed polymerization and for self catalyzedpolymerization. What are rate limiting stepsC) what is expected rate laws for both of the mechanismsD) a sample was taken from the self catalyzed reaction 1hr after the reaction began and was titrationwith KOH. At that point in time, 25 percent of acid groups are unreacted. Use Carothers equation todetermine number average degree of polymerization

Answered: Image /qna-images/answer/b828cc0a-045d-43f9-bde4-08fbde61d187.jpg

Answered: OH + HO HO OH + HO

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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What is the solubility of KCI at 80C 150 140 KI 130 120 110 100 NANO3 90 80 70 60 NH4CI KCI NacCl 50 40 30 20 KCIÓ3 10 Ce2(SO4)3 0 10 20 30 40 50 60 70 80 90 100 Temperature (°C) DELL Grams of solute per 100 g H,0 NH37 EONX
1-11 Exactly 5.00-mL aliquots of a solution containing phenobarbital were measured into 50.00-mL volumetric flasks and made basic with KOH. The following volumes of a standard solution of phenobarbital containing 2.000 µg/mL of phenobarbital were then introduced into each flask and the mixture was diluted to volume: 0.000, 0.500, 1.00, 1.50, and 2.00 mL. The fluorescence of each of these solutions was measured with a fluorometer, which gave values of 3.26, 4.80, 6.41, 8.02, and 9.56, respectively. (a) Plot the data. *(b) Using the plot from (a), calculate the concentration of phenobarbital in the unknown.
O (±)- (±)- (±)- -OME + (±)- ·}- H H. Il H- F HI H I H → ? LOMe H OMe
NHẠNO3 MgSO4 [1] Mass of salt (g) 1.968 1.981 [2] Volume of DI water (mL) 50.0 50.0 0.039 0.0396 Mass of DI water (g) [3] Temperature of DI water (°C) 22.5 22.5 [4] Temperature of mixture after dissolution (°C) 19.5 27.1 3 4.6 Temperature difference (°C) [5] Total mass in reaction (g) [6] Enthalpy of solution AHsolution (cal/mol)
1-1. The raw water supply for a community contains 18 mg/L total particulate matter. It is to be treated by addition of 60 mg alum (Al2(SO4)3-14H;O) per liter of water treated. Essentially, all the added alum precipi- tates represented by the following reaction: Al2(SO4)3 · 14H20 → 2 Al(OH);(s) + 3So,- + 6H* + 8H2O For a total flow of 7500 m/d, compute the daily alum requirement, the total concentration of suspended sol- ids in the water following alum addition, and the daily load of particulate solids requiring disposal (including both those initially present and those formed during treatment).
(a) Is it true that 26.3 mpg gasoline translates to 319 g CO:/mi? i. Convert mpg (miles per gallon) to miles per kg (of gasoline) using the density of gasoline ii. Convert kg of gasoline to kg of C assuming the overall formula for gasoline is CıH1a5 ii. Convert kg of C to kg of CO2 iv. Now finally compute g CO:/mi corresponding to 26.3 mpg and compare to 319 g CO2/mi
1- 55 + 6KNO3 + 2CACO33K2SO4 + 2CaSO4 + CO2 + 3N2 In the given chemical reaction, the oxidizing agent is .
In each row check off the boxes that apply to the highlighted reactant. reaction HCH₂CO₂(aq) + NH3(aq) → CH₂CO₂(aq) + NH(aq) H₂(g) + 2 ICl(g) → 2 HCl(g) + I₂(g) HBr(aq) + NH3(aq) → Br (aq) + NH(aq) The highlighted reactant acts as a... (check all that apply) Brønsted-Lowry acid Brønsted-Lowry base Lewis acid Lewis base Brønsted-Lowry acid Brønsted-Lowry base Lewis acid Lewis base Brønsted-Lowry acid Brønsted-Lowry base Lewis acid Lewis base
_C,H,COOH + 0, - CO, + __ H,O _H₂O
Many common materials that we ingest, though quite safe in reasonable quantities, become toxic when taken in very large doses. A measure of toxicity is the LD50 value (Lethal Dose, 50%). It is the quantity of material, expressed in mg of material per kg of subject-body-weight that, if administered to a population of subjects, would cause 50% of the population to die. The LD50 value for FD&C Red Dye No. 40 is >10,000 mg/kg in rats. Assume that the LD50 value for humans is the same as for rats. Calculate the number of mg of Allura Red present in an 8 fluid ounce glass of the beverage you used in this lab. Assume that the concentration of Allura Red in the beverage is 0.000054 M. The molar mass of Allura Red is 496.42 grams/mol 1 fl oz = 29.5735 mL Do not include units with your answer.
Put these in order of increasing vapor pressure at room temperature. O O ||| < | < || | = ||| < || O <||
For which of the following substances does AH = 0? O C(s) O H₂O(g) O SO₂(g) O NaCl(s)

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