After a tornado moved through a forest, what kinds of evidence would there be of energy transformations or transfers?

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

The missing component to the table to the right or indicated with orange letters complete the table by filling in the corresponding numbers or symbols

If 2 molecules of one reactant combine with 3 molecules of another to produce 5 molecules of a product, then what is the representation of the reaction?