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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.
The compound K2SiO 3 • χH2O is a hydrated crystal. It is analyzed for percent water in a procedure similar to the laboratory assignment with barium chloride
For each of these three chemicals, state how the "parity rule" is (or is not) obeyed by the MS data. If this question cannot be answered for a chemical, state briefly why not (for example, what additional data would be needed or why the situation ..
Suppose 108.3 g of hydrogen peroxide decomposes and all of the oxygen gas is collected in a balloon at 1.00 atm and 25oC. Determine the volume of the balloon.
Evaluate and contrast the possible results as well as the conclusion that can be drawn from two different experiments involving alpha particles being shot at two different metal foils copper as well as gold both of equal thickness
A 12-gram mixture of methane, CH4, and ethane, C2H6, is completely combusted in oxygen. If the total mass of H2O produced is 23.4 grams, what was the approximate mass of the methane in the original mixture
question a student dissolves some ammonium nitrate nh4no3 in water notices that the beaker gets cooler as the solid
reversible expansion from Pinitial=25.0 bar and Vinitial=4.50L to Pfinal=4.50 bar, (2) a single step irreversible expansion against a constant external pressure of 4.50 bar
What region of IR spectrum (give a range in wave numbers) is most useful for distinguishing between isomers that contain the same functional groups
The heat of vaporization of a liquid is the energy required to vaporize 1.00 mol of a liquid at its boiling point. In one experiment, 60.0 g of liquid nitrogen (boiling pt = -196C) is poured into a Styrofoam cup containing 200.0 g of water at 55.3..
A 2.32-L vessel contains 4.49 g of a gas at 1.08 atm and 26.9°C. What is the density of the gas in g/L?
The titration of 25.0 mL of 0.00 M base (B) by 0.500 M HCl for which the following data was collected. Volume of HCl added (mL) pH
Define by drawing the key resonance contributor of one or both of the conjugate bases in question, including curved arrows showing how you formed the contributor.
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