The density and associated percent crystallinity for two polypropylene materials are as follows: p (g/cm) crystallinity...
Current Attempt in Progress The density and associated percent crystallinity for two polytetrafluoroethylene materials are as follows: plg/cm3) crystallinity (%) 2.111 61.4 2.280 77.2 (a) Compute the density of totally crystalline polytetrafluoroethylene. g/cm3 (b) Compute the density of totally amorphous polytetrafluoroethylene. Pa = g/cm3 (c) Determine the percent crystallinity of a specimen having a density of 2.28 g/cm % crystallinity =
The answer to part 1 is NOT 1.09 g/cm^3 This problem involves concepts of materials engineering. Please show all steps and box your final numerical answers. Please DO NOT copy other Chegg solutions of the exact same problem. I will give a positive rating if all the answers are correct. Chapter 14, Problem 14.26 Multistep The density and associated percent cryitfor f to nylon 6,6 materials are as followes (g/cm3) Crystallinity (%) 1.188 1.152 67.3 43.7 Compute the densities of...
3. Using the data given below for two PTFE polymers, determine the percent crystallinity of a PTFE specimen having a density of 2.26 g/cm2. (12 marks) PTFE Sample density (g/cm) Percent crystallinity (%) 2.144 51.3 74.2 2.215
QUESTION 1 A semi-crystalline nylon with a degree of crystallinity of 25% has a density of 1.5 g/cm^3. Nylon has a crystalline density of 1.8 g/cm^3. What is its amorphous density in grams per centimeters cubed? 1 points QUESTION 2 Which defect is NOT common between metals and polymers? tie molecules vacancies screw dislocations interstitial defects 0.5 points QUESTION 3 Which one is not a characteristic of a plastic polymer? a. Low stress but very large strains b. Tensile strength...
Find the moments of the lamina S of constant density p = 2 g/cm occupying the region between y = x and y = 19x over [0,3). (Give your answers for the moments to one decimal place, if necessary.) M= M = Determine the center of mass of the lamina, (Give your answer as point's coordinates in the form (*.*). Give the coordinates precise to two decimal places.) center of mass:
Error Propagation and Density of Materials I need you to finish the two columns(Don't worry about the third) in the table using the formulas in page one. Please show work 3) Use the Vernier caliper to measure the height, h, and the diameter, D, of the cylinder. Record h and D and their uncertainties, Ah and AD. 4) the graduated cylinder Use metal. the determine of to the volume how would you do this? Analysis The density of a sample...
What is the theoretical yield (in grams) and percent yield of your triphenylmethanol product in this experiment? (Weight of triphenylmethanol: 0.060g) BACKGROUND AND THEORY The Grignard reaction was one of the first organometallic reactions discovered and is still one of the most useful synthetically. By reacting an organohalide (usually a bromide) with magnesium in ethereal solvent, carbon becomes a nucleophile. Grignard reagents are the starting points for the syntheses of many alkanes, primary, secondary, and tertiary alcohols, alkenes, and carboxylic...