How do you solve a double replacement reaction?

State the formula for density in words and mathematical symbols

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

Draw two cyclic constitutional isomers of cis-1