10.Consider synthesis of nylon-6,10 from stoichiometric amounts of hexamethylene diamine, H2N(CH2)6NH2, and sebacic acid, HOO(CH2)8COOH. At 98% conversion of carboxylic acid groups, determine (a) Mn and Mw of the product,

Macroscale and Microscale Organic Experiments

7th Edition

ISBN:9781305577190

Author:Kenneth L. Williamson, Katherine M. Masters

Publisher:Kenneth L. Williamson, Katherine M. Masters

Chapter10: Gas Chromatography: Analyzing Alkene Isomers

Section: Chapter Questions

Problem 9Q

See similar textbooks

Related questions

Q: Using the information below, calculate the percentage w/V of lidocaine (MM (234-34 g/mol) in…

Q: It was found that solubility of benzoic acid in water at differont temjperatures Was according to…

Q: 4. At 25 °C, 1.0 g of caffeine will dissolve in 47 mL of water, in 8.1 mL of chloroform, in 86 mL of…

A: The solubility of caffeine in g/100mL in each of the solvents can be calculated as:

Q: Look up the pKa values for trimethylamine, dimethylamine, ethylamine, and ammonia. Predict the order…

A: Ion exchange chromatography is the process by which a mixture of similar charged ions can be…

Q: 3. Calculate the mean-square end-to-end distance and root-mean-square radius of gyration of…

A: Given data: Characteristic ratio, C = 6.9 bond length, l = 0.12nm Formula used: Mean square…

Q: Briefly outline the experimental procedure used in obtaining the data required for External-Standard…

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: 2. Separation of Amino Acids by lon-Exchange Chromatography Mixtures of amino acids can beanalyzed…

A: Introduction: Chromatography is a technique used to separate the mixture if solution. There are two…

Q: Given: A weak acid, HA (whose Ka is 1.00 x 10-6 and KD is 100) that distributes between benzene and…

Q: Write three substances or species that can be determined using each of the following instrumental…

A: Introduction: A pH meter is a device used to measure the hydrogen ion activity in the solution. The…

Q: 3 days at room temperature (25°C). 3. Filter the extracts in vacuum using Whatman filter. 4.…

A: The diagram is given as,

Q: 4. A 0.1475-M solution of Ba(OH)2 was used to titrate the acetic acid (60.05 g/mol) in a dilute…

A: Molar concentration, also known as molarity, is defined as the number of moles of solute present in…

Q: Give advantages of Ziegler–Natta catalysts ?

A: A group of catalysts are collectively termed as Ziegler-Natta catalysts. They are compounds of…

Q: A feed mixture containing 50 wt% n-heptane and 50 wt% methyl cyclohexane (MCH) is to be separated by…

Q: Jörgen et al. Extracted acrylamide from potato chips by soxhlet extraction. They used methanol as a…

A: From the unit (hours) given it can be concluded that time has been plotted in X-axis.

Q: For the copolymerization of monomer (M1) with monomer (M2), the reactivity ratio's are r1 = 0.33, r2…

A: Combining the co-polymer equation or Mayo-Lewis equation in polymer chemistry with the equation for…

Q: Calculate the yield of tert- butyl chloride if we take 7ml of tert- butanol and the actual mass of…

A: Given in questiin: Moles ratio =1:1 Volume of tert-butanol = 7mL Molecular weight of tert-butanol…

Q: What is the essential difference between the Langmuir and BET isotherms?

A: The adsorption of the gases and the solute is basically explained through isotherms. The adsorbate…

Q: Ethyl heptanoate (EH), a food aroma compound, was added to water and allowed to come to equilibrium…

A: Partition coefficient is the ratio of concentrations of a particular compound distributed in a…

Q: If the enthalpy change of an enzymatic reaction associated with the conversion of 2000 g of a target…

Q: For a normal phase separation, predict the order of elution of the following compounds a. n-hexane,…

A: Polarity is the property of having differences in electronegativity. If there is a difference in…

Q: There is a class of polyesters that have the general structure shown below. For example, in…

A: Since in the above case, molecular weight is constant and it will affect the glass transition…

Q: Distinguish between TSS and TDS to understand why one is a physical parameter and the other is a…

A: Distinguish between TSS and TDS to understand why one is a physical parameter and the other is a…

Q: 6. Below is an extraction scheme in which a mixture of four initial organic compounds is separated,…

A: Given is four different types of compounds, phenol, neutral ,base and carboxylic acid. We can…

Q: Ethane (C2H6) is burned with (0.8) theoretical air, assuming complete combustion of hydrogen in the…

Q: It can be shown mathematically that 2 or more smaller extractions (using smaller portions of a…

Q: v- BTEXS are a class of volatile organic compounds that should be monitored and measured regularly…

Q: (b) A 2.000 g of an organic compound X was dissolved in 50.00 mL of dichloromethane. This organic…

Q: Derive the equations for the critical parameters VC, TC, and PC, (in terms of a, b and R) for the…

A: Given: critical parameters VC, TC, and PC, (in terms of a, b and R) for the Berthelot EOS To…

Q: Fumarase catalyzes the hydration of fumarate to L-malate via the following reaction: Fumarate + H2O…

Q: Predict the major fractions of this molecule in GC/MS:

A: The chemical formula of the given compound: C27H33NO2 The exact mass of the given structure: 403.25…

Q: An organic compound is extracted from an aqueous phase using an organic solvent: 40 ml of the…

Q: When a Levy-Jennings graph for TSH was checked, the mean of results was found to have shifted by…

A: Ans. (a) This is a systematic type error (a constant shift in one direction). Systematic or bias…

Q: The partition coefficient, Kp. at 25°C (1.e., room temperature) for compound A is 9.71 (for water…

Q: Briefly explain four importance of conducting sample preparation prior to instrumental analysis.

A: Sample preparation is a very crucial step in experimental analysis . This is one of the most…

Q: 1. The properties that must be possessed by the adsorption reagent in air sampling are… a. Reagents…

A: Air sampling is the process by which the type and quantity of airborne contaminants present in an…

Q: 4. For the system in question 2, estimate tlGo for micellization if the molecular weight of the…

A: Gibb’s free energy (∆G)– Formula is, ∆G=∆H-T∆S Where, ∆G= Gibb’s free energy ∆H=change in…

Q: With the principles of GFC, which of the following statements is incorrect? a. For small molecules,…

A: All of the statements are correct.

Q: Predict the order of elution of the following compounds from a GC column packed with polyethylene…

A: Gas chromatography The mobile phase used is an inert gas and the stationary phase is gas or liquid.…

Q: Calculate the retardation factor (Rf) for dissolved Tetrachloroethene contamination given the bulk…

A: Soil contains various ions, nutrients and waste material present in them. This substances are…

Q: 5. By a fractional precipitation a polymer A with most probable distribution (I = 2.0) and an…

A: PDI of polymer A = 2. Weight average molecular weight = 2 × 120000 = 240000 g/mol. If mole fraction…

Q: The weight percent %W/W of a saturated solution of potassium chloride in 20CO was: (NOTE: the…

A: Given, mass of the solution = 298g Mass of KCl or mass of solute = 74.5531 g Formula for % w/w is…

Q: A 0.01kg plant extract in 2dm' of water was shaken with 0.1dm' ether. Upon checking, 1.7x10 kg of…

A: Mass of plant extract = 0.01 kg = 10 g

Q: Arrange the following compounds in order of decreasing ease of elution from a column of silica gel

A: Silica gel acts as a stationary phase in silica gel chromatography column and it retains the polar…

Q: The absorbance of a 0.5 mM aqueous salicylic acid solution was 0.925. This solution was extracted…

Q: 7) The rate of flow of Na2SO4 solution is to be controlled in an ion-exchange experiment, justify?

Q: In the experiment borohydride reduction , using 2.0g of benzophenone, a student obtained 1.6g of…

Question

10.Consider synthesis of nylon-6,10 from stoichiometric amounts of hexamethylene diamine, H2N(CH2)6NH2, and sebacic acid, HOO(CH2)8COOH. At 98% conversion of carboxylic acid groups, determine (a) Mn and Mw of the product, and (b) the sum of the mole fractions and that of the weight fractions of species containing 1 through 6 (inclusive) monomer units.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Quality Assurance and Calibration Methods

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

Arrange the following compounds in order of decreasing ease of elution from a column of silica gel: (a) 2-octanol; (b) 1,3-dichlorobenzene; (c) tert-butylcyclo hexane; (d) benzoic acid.
19. A liquefied mixture of n-butane, n-pentane, and n-hexane has the following composition: n-C,H10 50%, n-C,H12 30%, and n-C,H14 20%. For this mixture, calculate: a) The weight fraction of each component. b) The mole fraction of each component. c) The mole percent of each component. d) The average molecular weight of the mixture.
13.43 Octane (C3H18) enters an engine and burns with air to give products with the dry molar analysis of CO2, 10.5%; CO, 5.8%; CH4, 0.9%; H2, 2.6%; 02, 0.3%; N2, 79.9%. Determine the equivalence ratio.
d) Calculate the atom economy for Ethylene Oxide (CH2CH;O) preparation CH;=CH2 + Cl2 +H2O CICH,CH2OH + HCl (Step 1) CICH2CH2OH+ Ca(OH)2 CH2CH2O + CaCl2 + H2O (Step 2),
The procedure for the synthesis of menthone indicates that you should use 10 cm³ of 6M sulphuric acid. Suppose that only sulphuric acid with concentration 1.5M is available in the laboratory. What volume in cubic centimetres of this solution do you need to add to the reaction mixture to replace the solution originally specified?
A Grignard synthesis begins with 10 ml of 3 M Phenylmagnesium Bromide and 1 grams of Methyl Benzoate, the 2.56 g of triphenylmethanol. What is the theoretical and percent yield of the reaction? Assume standard workup.
You are provided with three materials: 1 wt.% AuPt/TIO2, 1 wt.% Au/TIO2 and 1 wt.% Pt/TIO2 and asked to validate their performance as catalysts for the aqueous phase aerobic oxidation of glycerol to lactic acid. он он Н,0, О,, NaOH но Catalyst HO OH
(b) An aqueous solution of propanone (acetone, 1) of total volume 0.120 mL was analysed by quantitative 1H NMR, using the CH protons of (E)-butenedioic acid (fumaric acid, 2) to provide an internal standard. A stock solution of 2 with concentration = 10.00 x 10-3 mol L-1 was prepared by dissolving pure solid 2 in deuterium oxide (D₂O). The solution of 1 was mixed with a 0.400 mL aliquot of the stock solution of 2 and the 400 MHz 1H NMR spectrum of the mixture was recorded (see Table 2 below). H³C‍ || CH3 1 HO₂C H C=C H CO₂H 2 SH (D2O, 400 MHz) Multiplicity Relative peak area (integration) Assignment 2.22 4.80 singlet broad singlet 4.50 6.53 singlet not determined 1.00 CH3 groups of 1 OH from HOD CH groups of 2 Table 2. ¹H NMR data for the mixture of aqueous propanone (1) and the internal standard (2). (i) Calculate the mass of propanone (1) contained in the original aqueous solution.
Which method would you use for quantitative analysis of O3, NOx, CO, alkanes? Explain their principles and draw diagrams of instruments.
prepare a flow sheet for the preparation of benzoic acid from a) bromobenzene and magnesium and b) phenylmagnesium bromide and carbon dioxide. using your knowledge of the physical properties of the solvents, reactants, and products, show how the products can be purified, indicate which layer should contain the product in the liquid/liquid extraction steps.
(b) Now write a short note on the possible structures of polystyrene as formed from styrene (phenylethene, Ph-CH=CH2). You should define the terms tacticity, isotactic, and atactic.
You are asked to manufacture 100 kg of polyester with a number-average molecular weight of 2000 by polymerizing hexane-1,6-diol (HO(CH2)6OH) with adipic acid (HOOC-(CH2)4-COOH). a) What weight of diol and diacid do you need, respectively? To what extent, p, should the reaction be carried out to? Assume a stoichiometric balance. b) What are the number and weight fractions of dimer, trimer and tetramer at this point in the reaction?