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Explain polymerisation vinyl chloride and its applications.
PVC and its applications - It is acquired from polymerisation of vinyl chloride in the presence of a catalyst as peroxides at about 500C. The properties are as mechanical strength, flexibility, porosity, electrical and moisture absorption properties can be changed through adding certain materials. PVC has fine mechanical and electrical properties. This is hard and brittle. It resists flame, most solvents and sunlight. It is non-hygroscopic. PVC is widely used as insulation and jacketing material for cables and wires. PVC films, sheets and tapes are used as insulation for conduit pipes and dry batteries.
Thirty pounds of coal (analysis 80% C and 20% H ignoring the ash) are burned with 600 lbs of air (with a variable humidity), yielding a gas have an Orsat analysis in which the rati
Hard magnetic materials Permanent magnets are used as passive generators of magnetic field. To produce and maintain the magnetic field, a material should have both high resid
For a given bulk solid how can the particle size distribution be determined? In order to determine particle size distribution the simplest method is to make use of a sieve stac
consider a system at 290k for which the enery of the nth state is En=n(0.01ev) using 1+a+a square+ a cube+...=1/(1-a), find the value of partition function.find the constant C in P
derive an equation for efficiency of heat engine
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what is the heat capacity of Sodium lauryl sulfate
Ask question #MinimShowing results for solved problem. a horizontal cylinder tank with hemispherical ends is used to store liquid chlorine at 10 br the vessels is 4m internal diame
The probability of occupation of an energy level E, when E - E F = kT, is given by 0.27
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