Question

Fe S₂ → SO₂ → SO₃ → Ca SO₄

Answer 1

Ответ:

4FeS2+11O2➡️2Fe2O3+8SO2

2SO2+O2➡️2SO3

SO3+CaO➡️CaSO4

Answer 2

The chemical equation you provided describes a series of reactions involving iron sulfide (FeS₂) that ultimately leads to the formation of calcium sulfate (CaSO₄). Let's break down the reactions step by step:

1. FeS₂ → SO₂: In this step, iron sulfide (FeS₂) reacts with oxygen (O₂) to form sulfur dioxide (SO₂) gas. The balanced equation for this reaction is:

FeS₂ + O₂ → 2SO₂

2. SO₂ → SO₃: Sulfur dioxide (SO₂) further reacts with oxygen (O₂) to form sulfur trioxide (SO₃). The balanced equation for this reaction is:

2SO₂ + O₂ → 2SO₃

3. SO₃ → CaSO₄: Finally, sulfur trioxide (SO₃) reacts with calcium oxide (CaO) to produce calcium sulfate (CaSO₄). The balanced equation for this reaction is:

SO₃ + CaO → CaSO₄

Note that in the actual industrial process known as the Contact Process, the reaction for the production of sulfur trioxide involves the use of a catalyst and is typically carried out in multiple steps. However, the simplified equation above represents the overall reaction from sulfur dioxide to calcium sulfate.