Question

CaSO4 -> CaCO3 -> CaSO4 -> CaS -> H2S -> S

Answer 1

CaSO4 + МgCO3 = CaCO3 + MgSO4
CaCO3 + H2SO4 = CaSO4 + H2CO3
CaSO4 + С = СaS + 2CO + CO2
CaS = Ca + S

Answer 2

Chemical Reaction Steps

The chemical reaction steps provided are as follows: 1. CaSO4 -> CaCO3 2. CaCO3 -> CaSO4 3. CaSO4 -> CaS 4. CaS -> H2S 5. H2S -> S

Explanation of the Chemical Reaction Steps

The given chemical reaction steps depict a series of transformations involving calcium sulfate (CaSO4) and its derivatives. The overall reaction seems to involve the conversion of calcium sulfate into hydrogen sulfide (H2S) and ultimately into sulfur (S).

Cited Information

- The transformation of calcium sulfate into hydrogen sulfide and sulfur involves several intermediate steps, including the formation of calcium carbonate (CaCO3) and calcium sulfide (CaS). - The production of hydrogen sulfide (H2S) and sulfur-containing organic compounds is a known process in various industrial applications, such as in oil and gas production enterprises [[10]](https://naukaip.ru/wp-content/uploads/2022/05/MK-1397.pdf).

This information provides a basic understanding of the chemical reaction steps and their relevance in industrial processes. If you have further questions or need additional details, feel free to ask!