A composition comprises a polyoxymethylene and 0,5 to 20% based on the polyoxymethylene of a partially cured epoxy resin. The epoxy resin is obtained by partially curing an uncured epoxy resin with an amino-compound containing in its molecule at least two active hydrogen atoms bonded to nitrogen...
Find which compound is the acid and which is the base, and draw the products of the given proton transfer reaction. What is a compound that can donate a proton called? a. Bronsted-Lowry acid b. Bronsted-Lowry base c. Lewis acid d. Lewis base How d...
The weakest acid in the reaction is methanol. Methanol has a pKa value of 16. It is less... Learn more about this topic: Acids and Bases from Chapter 2/ Lesson 10 53K Acids are substances that contribute molecules, while bases are substances that can accept them...
The method of preparing water-soluble products which comprises heating at atmospheric pressure one molecular equivalent each of a neutral primary alcohol containing more than seven carbon atoms with the acid sulphuric acid salt of benzyldlmethylamine in the presence of an inert organic liquid boiling ...
molecule, may be replaced by heteroatoms selected from the group consisting of nitrogen, sulphur and oxygen, for example pyridyl, pyridyl N-oxide, pyrimidyl, pyridazinyl, pyrazinyl, thienyl, furyl, pyrrolyl, pyrazolyl, imidazolyl, thiazolyl, oxazolyl or isoxazolyl, indolizinyl, indolyl, benzo[b...
where R1 is a non-reactive alkyl, aryl, substituted alkyl or substituted aryl radical with a primary a -a -dihalogenoalkyl phosphine having the formula R.CX2.PH2, where X represents halogen, whereby two molecules of hydrogen halide are eliminated for each molecule of primary phosphine consumed...
Which molecule is the best nucleophile? A) CH3CH2CH2Cl B) CH3CH2CH3 C) NH4+ D) H2NCH3 Which substance in each of the following pairs is more reactive as a nucleophile? Explain. (a) (CH_3)_2N^- or (CH_3)_2NH. (b) (CH_3)_3B or (CH_3)_3N. (c) H_2O or H_...