Name awgvKwwion Priestley discovered oxygen in the eighncenth century by using heat to deccenpose mercurylI) oxide (Hgo): gHg How much Mercury(Hg) is prodaced from 1.80 x 10' g HgO? 2. Balance the following reactions shown below. 14 pts 3. A 3.5-g sample of water reacts with PCh acording to the following equation: Hron + rci,(c). â H.ro,la.. "City, Ilow many g ofHa are prodacod? 5 pts 4. The proteins i molecular formula is CsHsN-O. Calculate the mass of oxygen in 60.0 g of the compound. 5 pts in our bodies are composed of molecules called amino acids One amino acid is Asparagine; its 5 pts torFeo