tabul methacrylate was polymerized at a mass concentration of 200 g dm in toluene usine hisisobutyronitrile...
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tabul methacrylate was polymerized at a mass concentration of 200 g dm in toluene usine hisisobutyronitrile as initiator at a mass concentration of 1.64x 10-2 g dm and a reaction nnerature of 60 °C. Calculate the initial rate of polymerization and the molar mass of the polyímethyl methacrylate) formed in the initial stages of the reaction given that the relevant rate coefficients at 60 °C are: Initiator dissociation, k=8.5x 10-6 s-1 Propagation, k, =833 dm3 mol- s- Termination, k, =9.3 x 10° dm mol- s- Transfer to monomer, kM=3.93 x 10-3 dm mol-1s- Transfer to solvent, k,=7.34 x 10-3 dm mol- s- Assume that the initiator efficiency f=0.7, that termination by combination is negligible, and that the density of the initial solution of MMA in toluene is 860 g dm. %3D %3D uitiator dissociation. tabul methacrylate was polymerized at a mass concentration of 200 g dm in toluene usine hisisobutyronitrile as initiator at a mass concentration of 1.64x 10-2 g dm and a reaction nnerature of 60 °C. Calculate the initial rate of polymerization and the molar mass of the polyímethyl methacrylate) formed in the initial stages of the reaction given that the relevant rate coefficients at 60 °C are: Initiator dissociation, k=8.5x 10-6 s-1 Propagation, k, =833 dm3 mol- s- Termination, k, =9.3 x 10° dm mol- s- Transfer to monomer, kM=3.93 x 10-3 dm mol-1s- Transfer to solvent, k,=7.34 x 10-3 dm mol- s- Assume that the initiator efficiency f=0.7, that termination by combination is negligible, and that the density of the initial solution of MMA in toluene is 860 g dm. %3D %3D uitiator dissociation.
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Related Book For
Fundamentals of Physics
ISBN: 978-0471758013
8th Extended edition
Authors: Jearl Walker, Halliday Resnick
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