1. put goggles on
2.but gloves on
3.put a lab coat on
Blood cells, glucose , skin cells and etc .
The balanced equation would be
3H2 + N2 ———> 2NH3
3.18 grams of product (Cu I) - 2.54 grams of Cu (reactant) = .64 grams of Sulfur, by law of conservation of mass.