C2H6 + O2 -> CO2 + H2O. How many moles of O2 are required to react completely with 3.2 moles of C2H6

Does the temperature affect the solubility of sugar and salt in water? if it does tell me like different temperatures with different solubilities so i can sketch down a graph

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

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest