A copolymer was synthesized by reacting equimolar mixture of monomer A (mol. weight. 100 g/mol) and monomer B (mol. wt. 150g/mol). The Tg s of homopolymers of A and B are 100 °C and 200 °C respectively. What would be the Tg of the copolymer if it was a) a completely random copolymer and b) a pure block copolymer
Q: 4. For the reaction: NADH+Pyruvate+H*NAD + Lactate If NADH=2 μM, Pyruvate = 3 mM, NAD+= 50 mM, and…
A: The objective of the question is to determinea) b) c)
Q: . Provide the product and an arrow pushing mechanism for the reaction shown below. MeOk then شد
A: Given is organic reaction.This is Aldol addition reaction.In this reaction aldehyde or ketone reacts…
Q: please draw (in chemical structures) the balanced reaction of mixture of 0.3 grams of thiamine…
A: The given question involves the chemical processes associated with the reaction of thiamine…
Q: 5. A gas in a piston chamber is kept in a constant-temperature bath at 300 K expands from 25.0 mL to…
A:
Q: Explain how a saturated solution represents an equilibrium between the solution and any undissolved…
A: Saturated solution:A solution is called saturated solution when no more solute can be…
Q: Draw a reasonable, stepwise arrow-pushing mechanism for the formation of the product. Make sure to…
A: An arrow always depicts from a region of high electron density to low electron density ; that is…
Q: 4.62. Like the entropy of mixing, a Gibbs energy of mixing for gases can be derived: no of gases…
A: “Since you have posted a question with multiple sub parts, we will provide the solution only to the…
Q: When a 16.4 mL sample of a 0.303 M aqueous hydrofluoric acid solution is titrated with a 0.424 M…
A:
Q: 2) A 50.0 mL sample of phosphoric acid, H,PO₁, is titrated with 42.50 mL of 0.250 M NaOH. What is…
A: Since you have asked multiple questions, we will solve the first one for you. Kindly repost the…
Q: Problem 7 of 50 o Draw the products of the four step reaction sequence shown below. Ignore inorganic…
A: Benzene undergoes acylation when treated with acyl chloride in presence of Lewis acid.Wolf-Kishner…
Q: In a 0.32 mM aqueous solution of trimethylacetic acid (C₂H,CO₂H), what is the percentage of…
A:
Q: Give the major organic product(s) of the following. Include stereochemistry when applicable. b) 6 A…
A: An arrow always depicts from a region of high electron density to low electron density ; that is…
Q: If 0.236 kg of MgCl2 was dissolved in 1200 g of water, and the final volume of solution is 1.190 L,…
A:
Q: Give the major organic product(s) of the following. Include stereochemistry when applicable. 6 S of…
A: The question is based on organic reactions.We need to identify the product and explain its…
Q: Br₂
A: This is bromination reaction of an alkene. The reaction proceeds through formation of a bridged…
Q: Hydrogen-3 is radioactive and has a half life of 12.3 years. How long would it take a sample to…
A: Given that - Hydrogen-3 is tritium which is a radioactive isotope with half life = 12.3 years…
Q: Provide the proper reaction condition for -CH-CH=CH₂ H₂O I CH3 OH2, Pd\C OH₂O, H₂SO4 OKOH, ethanol ?…
A: The given reactant is an alkene due to the presence of a double bond. The product formed is an…
Q: A chemist must dilute 45.2 mL of 3.27 M aquaous calcium bromide solution until the concetration…
A: As we know ,Moles the solute remains same on dilution but volume of the solution increases.Dilution…
Q: Give the major organic product(s) of the following. Include stereochemistry when applicable. b) 6 d)…
A: Given are organic reactions. Reaction a has alkene reactant, reactions b and c have alkyl bromide…
Q: Identify the terminal amino group of this dipeptide of arginine and aspartic acid. Click on the…
A:
Q: Draw structures of the two products between Kot-Bu and 2-bromo-2-methylbutane
A: In organic chemistry, a reaction can occur in several pathways.Elimination is one of the…
Q: Provide the IUPAC names for the following hydrocarbons. Do NOT consider stereochemistry. A. CH3 B.…
A: 1) Select the longest chain of carbon.2) Start numbering carbon from the end which is closer to…
Q: To distinguish between the following pairs of compounds, which methods would you rather use: UV-Vis,…
A: λmax is wavelength at which maximum absorbance With help of λmax we can distinguish given compound
Q: Draw the product of the reaction shown below at physiological pH (pH = 7.4). Ignore inorganic…
A: The objective of the question is to draw the product of the reaction at physiological pH.
Q: a. Write out all the kinetic and potential energy terms for the energy operator for the neutral Li…
A: Quantum mechanics revolutionized our understanding of the microscopic world, providing a robust…
Q: Compare the boiling temperature of butane, pentane, but-2-ene, pent-2-ene. What do you notice? Why…
A:
Q: A critical reaction in the production of energy to do work or drive chemical reactions in biological…
A:
Q: what would the mechanism look like for this reaction 1. NH₂OH 2. Na/EtOH NH₂
A: Given is a reaction of ketone with hydroxyl amine followed by reduction.To draw the mechanism of the…
Q: 4B1 Write the possible reactants that gave the following products in the Diels-Alder reaction ဝ
A: The given reaction is:
Q: NaH, THF CI
A:
Q: Along which line would a sample of pure X be a mixture of solid and gas? choose a letter Which is…
A:
Q: Br NaO₂ CCH3 CH3CO₂H low temp.
A: Sodium acetate can be used to form an ester with an alkyl halide.
Q: Draw the major monobromination product of this reaction. NBS, light
A: Answer:When substitution reaction takes place through the formation of free radical intermediate…
Q: Give the major organic product(s) of the following. Include stereochemistry when applicable. b) 6 d)…
A:
Q: Classify the binary hydrides as ionic/metallic or covalent: HBr KH CdH2 PH3 [Choose ] [Choose ]…
A: Answer:Any compound that is made of ions is called as ionic compound.Any compound that is purely…
Q: 8.) Compound 1 forms two products, 2 and 3, upon heating. Compound 3, upon treatment with Et3N,…
A: Initially, given molecule 1 will undergo electrocyclic ring opening reaction leading to formation of…
Q: A laboratory technician needs to make a 135 liter batch of a 20% acid solution. How can the…
A: Total volume of final acid mixture = 135LFor pure acid,concentration (v/v) = 100%For 10% (v/v)…
Q: Write the IUPAC name of the following molecules Br. CH3 CI CH3
A: 'Bicyclo' word is used in startingnumbering starts from largest ring to smallest ring.Carbon number…
Q: Draw the product of the reaction shown below at physiological pH (pH = 7.4). Ignore inorganic…
A: The given reaction is shown below.We have to provide the product of the given reaction.
Q: 15.) The following sequence of amino acids occurs in a globular protein and forms an a-helix. Would…
A: α-helices are a type of secondary structure in proteins where amino acids are arranged in a helical…
Q: O=P-O-CH₂ 0. NH O OH O=P-O-CH₂,0. NH₂ OH OH Type of molecule: (Choose one) ribosome deoxyribosome…
A: In nucleic acids, there are four nitrogenous bases: adenine (A), thymine (T), cytosine (C), and…
Q: T 1 2. Order them from 1 to 4 according to this key below: ✓ BF3 ✓ CO2 V ✓ SF4 ✓ H₂0 1 = sp 2 = sp²…
A: Given,The molecules:BF3CO2SF4H2O
Q: 6. A sample of 1.00 mol of Au (196.97g/mol) at 100C is placed in contact with 1.00 mol of Au at OC.…
A: “Since you have posted a question with multiple sub-parts, we will provide the solution only to the…
Q: H₂ 1-phenylbutan-1-one CH3
A: The question is based on the concept of mass spectroscopy. We need to draw a Mclafferty fragment for…
Q: Soap washes away oil and dirt because it has a hydrophillic end and a hydrophobic end. Use your…
A: Soap is salt of fatty acid used in cleaning.Soap washes away oil and dirt because it has hydrophilic…
Q: Rank the following compounds in terms of increasing acidity of the most acidic proton. Assume all…
A: Huckel's rule : This rule states that if a cyclic, planar molecule has 4n+2 π electrons, it is…
Q: A chemist adds 35.0 mL of a 0.00187 mM copper(II) fluoride (CuF₂) solution to a reaction flask.…
A:
Q: This reaction does not follow the expected theory. Given what you know about…
A: Given organic compound is 2-bromo ethyl benzene and potassium hydroxide. KOH will act as a strong…
Q: How many valence electrons are in the compound CH2Br2?
A: Valence electrons are the electrons that are present in the outermost shell of the atom and they can…
Q: Write the correct formula or name for the following coordination complexes: 1. Sodium…
A: Coordination compounds are formed when a transition metal accepts electrons from ligands and forms a…
Trending now
This is a popular solution!
Step by step
Solved in 3 steps with 2 images
- .. C Chrome File Edit View History Bookmarks OpenStax - Cher x app.101edu.co 1 7 +/- 2 5 Phthalonitrile (CHN) is produced by the ammoxidation of o-xylene (C₂H₁) according to the following reaction: C₂H₁ (1) + O₂(g) + NH₂(g) → C₂H₂N₂(s) + H₂O(1) How many grams of water would be produced by the complete ammoxidation of 3.98 moles of o-xylene? 8 Chemistry 2e - CX . Question 13 of 24 | g 3 6 9 Profiles Tab Window Help O Aktiv Chemistry X X C + x 100 Submit : f Su C C Copp (CsH gram: of pht < PreShow your work! 8. In an NMR study of a sample of polystyrene, it was determined that (mm) = 0.40 and (mr) = 0.10. What is the % isotacticity of this sample? %3D A. 25% В. 50% С. 45% D. 30%a. Write down the reaction schemes to prepare styrene-butadiene-styrene block copolymers (SBS rubber) via anionic polymerization (monomer reactivity: butadiene>styrene). Include both initiation and propagation. Commercial polyisobutylene (PIB or butyl rubber) is synthesized via cationic polymerization. Explain why it cannot be made through free radical or anionic polymerization. Ziegler-Natta polymerization can produce isotactic polymers of 1-hexene. Review the propagation Cossee mechanism. Use 1-hexene as the monomer, write down the propagation mechanism responsible for the formation of isotactic polymer.
- 3.2 Using acrylic acid as a monomer, CH₂CH(COOH), (or look up the structure on-line), illustrate A. a syndiotactic oligomer with degree of polymerization (n or x) = 4. B. an isotactic oligomer with degree of polymerization = 5. C. a head-to-head addition of acrylic acid groups. Use hydrogen atoms for the end groups.1. Polystyrene homopolymer has a Tg = 100°C, and polybutadiene has a Jg=-90°C. Estimate the Tg of a 50/50 w/w statistical copolymer, poly(styrene-stat-butadiene) 2. The Tg of poly(vinyl acetate) is listed as 29°C. If 5 mol % of divinyl benzene is copolymerized in the polymer during polymerization, what is the new glass transition temperature?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.
- 5.4 A sample of phthalic anhydride which contains 5% (w/w) phthalic acid as impurity, is to be polymerized with propylene glycol. What would be the limiting degree of polymerization if 'stoichiometric' polymerization were carried out without taking note of the impurity ? [Ans. X = 370]polystyrene vs polyethylene I need to compare the mechanical and thermal properties of polystyrene obtained by catonic catalysis of styrene, and compare them with polyethylene obtained by metallocene catalysis.6.) An unknown polymer sample is fractionated, and the following molar fractions are obtained. Calculate Mn and Mw and the dispersity. Fill out the table to show your work. Fraction # 1 2 3 4 5 6 n₁ (mol) 0.004 0.011 0.009 0.003 0.017 0.008 M; (g/mol) 10,400 12,080 13,950 16,700 18,150 20,000 n¡Mi n;M;²
- 8:13 PM + . © 69% AA A docs.google.com F Super Hair Booster Gummies - Fine Health Vita... O Galactose+ Galactose - Google.. lo مختبرات طبية - مرحلة اولیي - الكيمياء - عملي - 6/20 = x ihii 40 False True -- prouuced Lanimals -u CIICI .Oligos-. inITS lodine can form an adsorption complex with the helical structure (coil-like) of the polysaccharides. So it give a red color with starch Disaccharides,Oligosaccharides,Polysaccharide s) cannot be broken down into smaller sugar .units through a process known as hydrolysis carbohydrates are now defined as aldehydes or .ketones of polyhydroxy alcohol Polysacchariden ontain LESS than 10 -wv. The *or a reddish precipitate Anonitiu Danadint+'e dine test The tect colution ahauld be neutral or slightly acidic but nePolymorphism of macromolecules like polypropylene show multiple crystal structures from monoclinic (alpha), trigonal (hexagonal) Beta, and Gamma or orthorhomic and metaphase states (smectic) and new is the Epsion State. Question: Can you name all commerical plastic types by generic name that show multiple polymorphic crystat states e.g. PP for polypropylene and Nylon for polyamide. What are the name of each state.6. The polymerization between equimolar amounts of a diol and diacid proceeds with an equilibrium constant of 200. What will be the expected degree of polymerization and extent of reaction if the reaction is carried out in a closed system without removal of the by-product water? To what level must [H2O] be lowered in order to obtain a degree of polymerization of 200 if the initial concentration of carboyxl groups is 2 M?