U-tube video: The genius of Mendeleev's periodic table Use at least 5 sentences to describe the “genius” of Mendeleev in the development of the Periodic Table of Elements.

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.