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State the radical polymerization method you would use to prepare the following polymers. Give your reasoning.
a) Poly(vinyl acetate) for use in formulating water-bone adhesives
b) Polyacrylonitrile for use in production of acrylic fibers
c) Poly(methyl methacrylate) for use in optical sheets.
d) Polystyrene for use in solvent-borne adhesives.
e) Poly(methyl methacrylate) beads for use in formulating bone cements.
This precipitate was removed and the excess hydrazine was found to be equivalent to 75 mL of 2.50 X 10-2 mol/L acidified potassium iodate(V)
Calculate the reaction quotient Qc and find out at which temperature and
0.151 g ofpiperonaldehyde, and 0.80 mL of ethanol, and added 0.10 mL of NaHOsolution (0.60 g/mL), what is the theoretical yield of theresulting chalcone, in grams?
cubic centimeter of rubber is worn off an automobile tire with each revolution of the wheel?
Back titration with .02127 M Zn2+ at pH 5 reqired 23.54ml to reach the xylenol orage end pt. a 2.00ml sample of unknown was passed thru an ion-exchange column designed to absorb co2+. the Ni2+ that passes thru ion-exchange column was treated with ..
Determine how much PV work is done if 80.0 g of C 2 H 4 and 125 grams of hydro chloric acid are permissible to react at atmospheric pressure and the volume change = -63.9 L? express your answer in kilojoules
Calculate the hydronium ion concentration and the pH when 25.0 mL of 0.50 M NH3 is mixed with 65.0 mL of 0.19 M HCl.
Using henderson hasselbalch calculate the ph of .5 L of 2.0M solution of nitrous acid, HNO2 that also contains 140g of nano2 (MM=70g/mol)
A hydrochloric acid solution is standardized using 0.500g of sodium carbonate, Na2CO3. Find the molarity of the acid if 29.50mL are required to reach a phenolphthalein endpoint.
To find the value of the equilibrium constant at each temperature you must first find the value of G0 at each temperature by using the equation G0 = H0 - TS0 For this reaction the values are H0 = +88.3 kJ/mol and S0= 151.3 J/mol*K
Balance and write half reaction, complete and net ionic equation for this reaction (show your working):
calculate the amount of work produced on the system and by applying the first law of thermodynamic calculate the amount of q of heat transfered from the system to the enviroment,
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