Polymerization Mechanisms & Numerical

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1.
The percentage of nitrogen by mass in nylon-6,6 (repeating unit C12H22N2O2) is approximately:
2.
In free radical polymerization, the initiation step involves:
3.
The repeating unit molecular weight of PVC is:
4.
How many moles of H2O are produced when 1 mole of Terylene with n repeating units is formed?
5.
The molecular weight of a polyethylene sample is 140,000 g/mol. The degree of polymerization is:

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