Write a net ionic equation for the reaction that occurs when calcium sulfide and excess hydrobromic acid (aq) are combined. Calcium carbonate reacts with hydrochloric acid to form calcium chloride, water and carbon dioxide. _____ 2. It reacts with acids such as hydrochloric acid to release toxic hydrogen sulfide gas. Express your answer as a net ionic equation. Meanwhile, the calcium sulfate was converted into calcite and calcium sulfide. Enter the net ionic equation for the reaction that occurs when aqueous hydrochloric acid and aqueous calcium sulfide are mixed. Carbonate (calcium), sulfide (iron, zinc), and sulfate (calcium, barium, strontium) scales are more common in oilfield applications. CaS + 2 HCl → CaCl 2 + H 2 S Natural occurrence. Calcium sulfite, #"CaSO"_3#, will react with hydrochloric acid, #"HCl"#, to produce aqueous calcium chloride, #"CaCl"_2#, and sulfurous acid, #"H"_2"SO"_3#. Oldhamite is the name for mineralogical form of CaS. CaS + 2 HCl → CaCl 2 + H 2 S. Calcium sulfide is phosphorescent, and will glow a blood red for up to an hour after a light source is removed. Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. The roasted sample was then subjected to HCl leaching process for the separation of calcium and zinc. write balanced equations when calcium metal is in … write a balanced chemical equation for the reaction: solid calcium reacts with solid sulfur to produce solid calcium sulfide write word and formula equations for the reaction in which aqueous solutions of sulfuric acid and sodium hydroxide reacts to form aqueous This reaction is fairly rapid and energetic at high concentrations, in large part due to the high affinity of calcium ions for chloride ions. sulfuric acid with calcium metal types. 1. It reacts with acids such as hydrochloric acid to release toxic hydrogen sulfide gas. By the 1880s, methods for converting the hydrochloric acid to chlorine gas for the manufacture of bleaching powder and for reclaiming the sulfur in the calcium sulfide waste had been discovered, but the Leblanc process remained more wasteful and more polluting than the Solvay process. Oldhamite is the name for mineralogical form of CaS. [4] Natural occurrence. The reaction between these two compounds requires two parts hydrochloric acid to one part calcium chloride. The active ingredient is probably a calcium polysulfide, not CaS. However, sulfurous acid does not exist in aqueous solution as a molecule, it actually decomposes to form sulfur dioxide, #"SO"_2#, and water.. You can thus say that the balanced chemical equation that describes this reaction looks like this HCl ( Hydrochloric acid ) AgC2H3O2 ( Silver acetate ) pb(c2h3o2)2 ( Lead(II) acetate ) KSO4 Li2CO3 ( Lithium carbonate ) Li2S ( Lithium sulfide ) Hg2SO4 ( MERCUROUS SULFATE ) Pb(NO3)2 ( Lead dinitrate ) NH4Cl ( AMMONIUM CHLORIDE ) NH4OH ( ammonium hydroxide ) ZnSO4 ( Zinc sulfate ) CaCrO4 ( CALCIUM CHROMATE ) CsOH ( Cesium hydroxide ) Hydrochloric acid reacts with calcium carbonate to produce calcium chloride, carbon dioxide and water.