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Consider 1:1 stoichiometric polymerisation of 1,4-diaminobutane with sebacoyl chloride.
(a) Write down a balanced chemical equation for the polymerization
(b) Name the polymer formed by this polymerization.
(c) Calculate the extent of reaction required to produce this polymer with a number-average molar mass of 8000.
(d) What would happen if you included 1,1,4,4-tetraaminobutane in the polymerisation so that the stoichiometric ratio was 1:2:4 tetraaminobutane:diaminobutane:sebacoyl chloride?
a) During coagulation, the colloidal particles stay un-aggregated because: b) The aim during water softening is to precipitate calcium and magnesium as calcium carbonate and mag
which is more acidic among o-methoxy benzoic acid and m-methoxy benzoic acid Ans) o-methoxy benzoic acid is more acidic than m-metoxy benzoic acid.
carbolic acid from benzene
Short note of synthesis of dry and bhc
It is desired to create 5 kg of superheated steam at 300 o C and 20 bar using an isobaric mixer. If 543 kJ of heat are sent to the system, and 2 kg of saturated steam is mixed wit
what is isomer of diethyl ether?
preparation of hydrogen and hydrogen compounds
If n+l= 6 , then total possible number of subshells would be: (1) 3 (2) 4 (3) 2 (4) 5 Ans: 3
This type of cells becomes dead over a period of time and the chemical reaction stops. They cannot be revitalized or used again. Some ordinary examples are dry cell, mercury cell,
Develop a table for the water quality parameters of surface water (rivers and lakes), and groundwater. A sample table is given below: Water quality parameters of different
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