Burning a 1.231 g sample of the unknown compound in an excess of oxygen produces 1.8040 g of CO2 (carbon dioxide). The carbon initially in the unknown compound is completely converted to carbon in the CO2. How many moles of CO2 does this mass of CO2 equal ?

Evaluate this exponential expression,8. (2 + 3)2 – 42

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

What is the lowest number energy level where a d sublevel is found