Evaporation
5paper towel 5cm Sticky tape Water oil glycerine Nail Polish remover Methylated spirit
Method 1write the name of each liquid on strip of paper towel. 2.Dip the paper towel into each of liquid. 3.Attach the pieces of paper to the beakers with sticky tape
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.