500kmol/h of a feed to a distillation column (stream 1] contains 70% methanol and 30% ethanol. 90% of the methanol in the feed [1] is recovered as the distillate from column 1
(stream 2] Given that the composition of methanol in stream [2] is 97%, and 99% of the remaining methanol in stream (3] is
removed as a distillate in stream [4]​

Plz choose one of the compounds from the table and explain how you know the numbers of atoms in your formula. is it possible for two different compounds to be made from the exact same two elements? why or why not? with a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?

Give the set of reactants (including an alkyl halide and a nucleophile) that could be used to synthesize the following ether: draw the molecules on the canvas by choosing buttons from the tools (for bonds and charges), atoms, and templates toolbars, including charges where needed. ch3ch2och2ch2chch3 | ch3

650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal