Please help! Please help! Please help! Please help! Please help! Please help! The percent composition of an unknown hydrocarbon is 92.25% C and 7.75% H. a) Determine the empirical formula. b)Determine the molecular formula if the molar mass is 104g/mol.

Type the letter that represents the correct location for each particle type below.

Draw metallic bonding if two copper

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