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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.
A system with constant heat capacity CP and initial temperature T1 is heated by contacting a reservoir at Tf . Find the entropy change of the system, reservoir, and system plus res
Chemical engineer biology assignment 1 how much u charge
The following three types of breakdown are possible in Dielectrics: (a) Electrothermal Breakdown - This is caused by the heat produced because of the dielectric loss which is
why are some flashlights brighter than others?
a. Explain the problems of flooding and channeling in packed tower
PROCEDURE : Visit any two labs of your choice (Botany/Zoology/Physics/Chemistry) of your study centre and consult the lab technician or senior laboratory supporting staff and com
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why ,a substance is being heated at a fast rate the temperature of decomposition will be the higher than the obtain at a slower heating rate..
A single-effect evaporator is used to concentrate 60000 kg h -1 of a 40 wt % NaOH solution which is fed to the evaporator at 40°C. The concentrated liquid is a 55 wt % NaOH soluti
limitation of its
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