Respuesta :

Answer:

Where are all my chemistry geniuses at??

1. 2HG + O2 = 2HGO

2. Ca + 2H2O = Ca(OH)2 + H2

3. H2 + Cl2 = 2HCl

4. Fe + S = FeS

Explanation:

Hope it helped!

BrebLoaf

Answer:

Mercury and oxygen react to yield mercuric oxide. > 2Hg + O2 = 2HgO

Calcium and water react to yield calcium hydroxide and hydrogen. > Ca + 2H2O = Ca(OH)2 + H2

Hydrogen and chlorine react to yield hydrochloric acid. > H2 + Cl2 = 2HCl

Iron and sulfer react to yield iron sulfide. > Fe + S = FeS

Explanation:

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