molecular weight 98.159 Collio o CooH FO HNO3 Calculate the % yield, 0,872 a molecular weight...
Provide the molecular formula of the structures below. OH O CH3 COOH HO OH OH o > Carbon? [Select] Hydrogen? [Select] ✓ Nitrogen? [Select) < Oxygens? [Select] ✓ Sulfur? (Select]
What is the molecular weight of the polymer prepared by the self condensation of HO‐C6H5‐COOH, if 99.5% of the functional groups react
How to calculate theoretical yield benzil in the hexaphenylbenzene experiment, with 0.753 g of benzoin produced.(molecular weight of benzil is 210.28 and amount used 100ml.) Then theoretical yield of tetraphenylcyclopentadienon with 0.264 g of benzil product. (molecular weight of tetraphenylcyclopentadienone is 384.48 and used 100 mg)
7. Please calculate the number-averaged molecular weight and weight-averaged molecular weight for the following polymer. (6 pt) Fraction Mass(g) Mx 104(g/mol)1.24 1.521.361.282.301.504.28 1.21 1181.4567 0.23 0.18 0.56 0.82 3.76 8. A student mixed two batches of PS accidently in the lab, what would be number-averaged molecular weight and weight-averaged molecular weight for this PS mixture. (6 pt) Batch Mass(g) Mw (g/mol) Mn (g/mol 15 75,000 50,000 150,000 120,000
4 (20 Points) Calculate the number-average molecular weight and the weight average molecular weight of a polymer sample made of polystyrene with a repeat unit of (CH2- CH(CHs)) and composed of two types of chains. 60 percent of the chains have a degree of polymerization of 7,000 and the rest 50,000. Carbon has an atomic weight of 12 g/mol and hydrogen is 1 g/mol.
Given 400 mg of Olive oil, find the theoretical yield of hydrogenated olive oil. Molecular weight of olive oil is 885 g/mol and molecular weight of hydrogenated olive oil is 891 g/mol.
Find the mechanism COOH COOH CH3C1 0=0=o=0 KMnO4 conc. HNO3 Anhy. AICI: heat conc. H2SO4 HO NO2 3-nitro benzoic acid benzene toluene benzoic acid Sn/HCI COOH COOH COOH HO NaNO2 + HCI 0°C COH N CI NH2 3-hydroxy benzoic acid 3-chlorodiazenyl)benzoic acid 3-amino benzoic acid
Polymers principles Given the following information, calculate the number-average molecular weight, the weight-average molecular weight, and the molecular weight distribution:
predict 4. (15 pts) For the synthesis of aspirin, COOH COOH OOH + (Cusco).out o ccis+ CH.COOH Use the following data to calculate Amount Molar mass (g/mol) Density (r/ml) Salicylic acid 1.0 g 138.0 Acetic anhydride 2.0 mL 102.0 1.082 Aspirin 1.08 180.0 a. The limiting reagent b. The theoretical yield c. The % yield of the reaction SHOW ALL CALCULATIONS! 119 Solicylic Quid
Calculate the number-average molecular weight of a random nitrile rubber [poly(acrylonitrile-butadiene) copolymer] in which the fraction of butadiene repeat units is 0.32; assume that this concentration corresponds to a degree of polymerization of 2030. Calculate the molecular weight of the acrylonitrile repeat unit in g/mol. Part 2 Calculate the molecular weight of the butadiene repeat unit in g/mol. Part 3 Calculate the average molecular weight of the copolymer repeat unit in g/mol. Click here to access Table 4.5. m =...