Calculate the number of chains in a 5 m-long PVC (polyvinyl chloride) pipe with an inner diameter 5 cm and a thickness of 0.5 cm if the degree of polymerization in 1000. Assume that the chains are equal in length. The density of PVC is 1.4 g/cm3.

a small container that holds a source of energy a solar cell that captures light energy and converts it into electricity a voltaic cell that uses the oxidation of a fuel to produce electricity

explanation:

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> b takes place in the gas phase in an isothermal tubular reactor. the feed is one mole of a per one mole of c, an inert. the entering temperature and pressure are 427°c and 10 atm, respectively. the gas constant r = 0.08206 atm · l/mol · k.