Sulfur dioxide is 50.1% sulfur and 49.9% oxygen by mass. Suppose that 5.00 grams of sulfur are mixed with 36.0 grams of oxygen (O2) and heated until all the sulfur (S) is converted to sulfur dioxide (SO2). What mass of oxygen remains unreacted? Answer in units of g. ..

4.25g sample of solid ammonium nitrate dissolves in 60.0g of water in a coffee-cup calorimeter, the temperature drops from 22.0 c to 16.9 c. assume that the specific heat of the solution is the same as that of pure water. calculate delta(h) (in kj/mol nh4no3) for the solution proces.