NEED HELP ASAP!! What is the molar mass of oxygen? 2HgS + 3O2 -> 2HgO + 2SO2 Show work!

What is the molar mass of potassium nitrate, kno3

When a scientific theory has been tested and proved by the scientific community, it becomes a law

What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees celsius to a solid at the same temperature? melting point of substance y = 35 degrees c; δhvaporization = 3.67 j/mol; δhfusion = 3.30 j/mol. mwsubstance y = 28.22 g/mol. −12.4 j −3.51 x 102 j 1.24 x 101 j 351 j