Mercury sulfide + oxygen -> Mercury Oxide + Sulfur dioxide
Hg2S (l) + 4O2 (g) 2HgO (s) + SO2 (g)
4NH3 + 5O2 -----> 4NO + 6HOH
Mercury+Oxygen----> Mercury Oxide
2HgO------->2Hg+O2
By burning it (reacting it with Oxygen)
By reacting with oxygen.
H2s + o2 = so2 + h2o
2h2s + o2 -> 2s + 2h2o
element
Steel + Oxygen = Steel Oxide
greg m
4NH3 + 5O2 -----> 4NO + 6HOH
For example the mercury sulfide (HgS) - cinnabar.
Mercury+Oxygen----> Mercury Oxide
The chemical equation is:H2S + O2 = SO2 + H2O
2Cu + O2 ---> 2CuOCopper + Oxygen ---> Copper II oxide
SO2 + O = SO3
No, it is a chemical change. The tarnish seen on silver is silver sulfide which formed by the silver reacting from small amounts of hydrogen sulfide in the air. So silver sulfide has been created by a chemical reaction.