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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?
what is radiometric titration
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Chemical properties of benzene Because of the existence of Π - electron clouds above and below the plane benzene ring, the ring works as a source of electrons and is simply att
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Calculate the molarmass of a nonelectrolyte that lowers the freezing point of 25.00g of water to -3.9 degrees C when 4.27 g of the substance is dissolved in the water.
Which of the following hydrides are ionic: (1) CaH 2 (2) BaH 2 (3) SrH 2 (4) BeH 2
The mass of CaCl2 (molar mass= 111.0) required to prepare 75.00 milliliters of a 2.000 molar solution of this salt is?
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