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3. Considering the following linear polymeric structure. What is the angle be bonds if the molecular...
Consider the following two polymeric systems: A. Poly(styrene-butadiene) amorphous copolymer having a number-average molecular weight of...
Consider the following two polymeric systems: A. Poly(styrene-butadiene) amorphous copolymer having a number-average molecular weight of 50,000 g/mol, and 8% of the available sites crosslinked. B. Poly(styrene-butadiene) amorphous copolymer having a number-average molecular weight of 200,000 g/mol, and 20% of the available sites crosslinked. Respond to the following questions and justify your answer. a) Which polymer will display the highest stiffness? Why? (2 points) b) Which polymer will display the highest tensile strength? Why? (2 points) c) Consider that polymer...
1. Compute the molecular weight of a single, (1), polystyrene (PS) repeat unit. 2. Compute the...
1. Compute the molecular weight of a single, (1), polystyrene (PS) repeat unit. 2. Compute the degree of polymerization for a polystyrene (PS) polymer with a number-average molecular weight of 279,799 g/mol. 3. What is the number-average molecular weight of a PC polymer that features a degree of polymerization of 1,890 ? 4. An alternating poly(ethylene-propylene) copolymer has a molecular weight of 294,419 g/mol. How many ethylene repeat units are in one average length chain of this polymer ? 5....
What is the total number of p-bonds and/or rings in a compound with molecular formula C10H14?...
What is the total number of p-bonds and/or rings in a compound with molecular formula C10H14? NM + in C. 4 D. 5 Enter Your Answer: OA OBOC OD OE OF The signal at about 4.1 ppm is consistent with the H atom(s) in bold in which of the partial structures shown? (X and Y represent atoms or groups with no directly attached H atoms.) Эн Зн *3.5*3.6 *2.5 2.6 1.5 1.6 PPH X-C-CH3 X-C-CH2- X-CH2-CH- A X-CH2-CH2- X-CH2 CH3...
which of the following is the structure of 2-ethylbenzamide 3. (20 points) The following alcohol undergo...
which of the following is the structure of
2-ethylbenzamide
3. (20 points) The following alcohol undergo chromic acid test. Complete the blank for each alcohol Color after reaction is test positive or negative? Class of Alcohol CH₂ - CHCH, CH, CH, ан,— —днан, Color after reaction is test positive or negative? Class of Alcohol Color after reaction is test positive or negative? Class of Alcohol at CH2OH & CH₂ CH3 6th c Color after reaction is test positive or negative?...
Carbon-hydrogen bonds exhibit a range of different chemical reactivity that depends on molecular structure. Classify the...
Carbon-hydrogen bonds exhibit a range of different chemical reactivity that depends on molecular structure. Classify the C-H bonds at the carbons labeled a-c in the structure below. Possible classifications are: primary, secondary, & tertiary or none if there are no hydrogens at the labeled carbon. C-H bond(s) at a C-H bond(s) at b or C-H bond(s) at v primary secondary tertiary 2 item attempts Submit Answer Try Another Version none 1-Bromopropane was prepared by heating 11.1 g of sodium bromide...
pls answer 6 and 7 6. Secondary structure (turn): The image below is of a polypeptide...
pls
answer 6 and 7
6. Secondary structure (turn): The image below is of a polypeptide in secondary (20) structure level of protein folding. Specifically it is of a turn. Turns vary in length. The shorter the turn the more drastic the angle changes. The longer the turn, the more gradual the angles needed. a. Name the specific bond/interaction indicated by the dotted lines. b. Is this bond/interaction covalent or non-covalent? Is this bond/interaction permanent or transient? d. What parts...
15. In the Lewis structure for nitrite, what is the formal charge on the nitrogen atom?...
15. In the Lewis structure for nitrite, what is the formal charge on the nitrogen atom? 16. Considering the molecule AXE. (a central atom with 3 atoms attached and 1 lone pair), what is the molecular shape? A. Square planar B. Trigonal pyramid C. Trigonal planar 17. Which of the following represents a nonpolar covalent bond? A. CI-CI B. Na-CI C. H-F 18. Which of the following has only single bonds in its Lewis structure? A. NH4+ B. NO2 C....
Chemistry Chapter 7-11 Questions! Please Answer questions circled in Dark Green! nt will form the most...
Chemistry Chapter 7-11 Questions! Please Answer questions
circled in Dark Green!
nt will form the most polarized bond with fu Cs With fluorine? Which bond will be the most polar? 42. a. F-F b. F-o Si-O RO which contribute to the Greenhouse Efect have two chioted to h ave two characteristics: one of them predicted to have the largest 43、 /cases which cont is uvat they have polar bonds. Greenhouse Effect? a. CO2 b. H20 c. CH d. CFA olar...
What kinds of interactions are NOT part of tertiary protein structure? 3 . A) salt bridges...
What kinds of interactions are NOT part of tertiary protein structure? 3 . A) salt bridges In a hydrolysis reaction, B) hydrophilic interactions A. an acid reacts with an alcohol. C) disulfide bonds E. an este reacts with NaOH. C. anester reacts with H.O. D) peptide bonds D. an acid neutralizes a base. E) hydrophobic interactions E. water is added to markene. . All amino acids have chiral Carbon atoms except a. Val 6. Lys C. ASP d. Ala e....
The following figure is a ribbon representation of the x-ray crystallographic structure of AnCE, a single...
The following figure is a ribbon representation of the x-ray crystallographic structure of AnCE, a single domain protein with ACE activity from Drosophila melanogaster, complexed with captopril, (2S)-1-(3-mercapto-2-methylpropanoyl)-L-proline. ACE inhibition kinetics [FAAPGG] Vo, nmol/min uM no inhibitor + captopril + lisinopril + 50-100 KR serum 125 0.95 0.13 0.047 0.42 167 1.05 0.19 0.061 0.53 250 1.54 0.28 0.092 0.65 500 1.9 0.46 0.18 0.91 750 2 0.61 0.26 1.08 a. Use a protein database, such as BRENDA or RCSB,...
Consider the following two polymeric systems: A. Poly(styrene-butadiene) amorphous copolymer having a number-average molecular weight of 50,000 g/mol, and 8% of the available sites crosslinked. B. Poly(styrene-butadiene) amorphous copolymer having a number-average molecular weight of 200,000 g/mol, and 20% of the available sites crosslinked. Respond to the following questions and justify your answer. a) Which polymer will display the highest stiffness? Why? (2 points) b) Which polymer will display the highest tensile strength? Why? (2 points) c) Consider that polymer...
What is the total number of p-bonds and/or rings in a compound with molecular formula C10H14? NM + in C. 4 D. 5 Enter Your Answer: OA OBOC OD OE OF The signal at about 4.1 ppm is consistent with the H atom(s) in bold in which of the partial structures shown? (X and Y represent atoms or groups with no directly attached H atoms.) Эн Зн *3.5*3.6 *2.5 2.6 1.5 1.6 PPH X-C-CH3 X-C-CH2- X-CH2-CH- A X-CH2-CH2- X-CH2 CH3...
which of the following is the structure of
2-ethylbenzamide
3. (20 points) The following alcohol undergo chromic acid test. Complete the blank for each alcohol Color after reaction is test positive or negative? Class of Alcohol CH₂ - CHCH, CH, CH, ан,— —днан, Color after reaction is test positive or negative? Class of Alcohol Color after reaction is test positive or negative? Class of Alcohol at CH2OH & CH₂ CH3 6th c Color after reaction is test positive or negative?...
Carbon-hydrogen bonds exhibit a range of different chemical reactivity that depends on molecular structure. Classify the C-H bonds at the carbons labeled a-c in the structure below. Possible classifications are: primary, secondary, & tertiary or none if there are no hydrogens at the labeled carbon. C-H bond(s) at a C-H bond(s) at b or C-H bond(s) at v primary secondary tertiary 2 item attempts Submit Answer Try Another Version none 1-Bromopropane was prepared by heating 11.1 g of sodium bromide...
pls
answer 6 and 7
6. Secondary structure (turn): The image below is of a polypeptide in secondary (20) structure level of protein folding. Specifically it is of a turn. Turns vary in length. The shorter the turn the more drastic the angle changes. The longer the turn, the more gradual the angles needed. a. Name the specific bond/interaction indicated by the dotted lines. b. Is this bond/interaction covalent or non-covalent? Is this bond/interaction permanent or transient? d. What parts...
15. In the Lewis structure for nitrite, what is the formal charge on the nitrogen atom? 16. Considering the molecule AXE. (a central atom with 3 atoms attached and 1 lone pair), what is the molecular shape? A. Square planar B. Trigonal pyramid C. Trigonal planar 17. Which of the following represents a nonpolar covalent bond? A. CI-CI B. Na-CI C. H-F 18. Which of the following has only single bonds in its Lewis structure? A. NH4+ B. NO2 C....
Chemistry Chapter 7-11 Questions! Please Answer questions
circled in Dark Green!
nt will form the most polarized bond with fu Cs With fluorine? Which bond will be the most polar? 42. a. F-F b. F-o Si-O RO which contribute to the Greenhouse Efect have two chioted to h ave two characteristics: one of them predicted to have the largest 43、 /cases which cont is uvat they have polar bonds. Greenhouse Effect? a. CO2 b. H20 c. CH d. CFA olar...
What kinds of interactions are NOT part of tertiary protein structure? 3 . A) salt bridges In a hydrolysis reaction, B) hydrophilic interactions A. an acid reacts with an alcohol. C) disulfide bonds E. an este reacts with NaOH. C. anester reacts with H.O. D) peptide bonds D. an acid neutralizes a base. E) hydrophobic interactions E. water is added to markene. . All amino acids have chiral Carbon atoms except a. Val 6. Lys C. ASP d. Ala e....
The following figure is a ribbon representation of the x-ray crystallographic structure of AnCE, a single domain protein with ACE activity from Drosophila melanogaster, complexed with captopril, (2S)-1-(3-mercapto-2-methylpropanoyl)-L-proline. ACE inhibition kinetics [FAAPGG] Vo, nmol/min uM no inhibitor + captopril + lisinopril + 50-100 KR serum 125 0.95 0.13 0.047 0.42 167 1.05 0.19 0.061 0.53 250 1.54 0.28 0.092 0.65 500 1.9 0.46 0.18 0.91 750 2 0.61 0.26 1.08 a. Use a protein database, such as BRENDA or RCSB,...
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