The equation CaSO4 + Na2S2O4 -> Na2SO4 + CaS2O4.

1. Detailed information about the equation CaSO₄ + Na₂S₂O₄ -> Na₂SO₄ + CaS₂O₄

This is a chemical equation that represents the reaction process between Calcium Sulfate (CaSO₄) and Sodium Dithionite (Na₂S₂O₄) to produce Sodium Sulfate (Na₂SO₄) and Calcium Dithionite (CaS₂O₄).

2. Reaction conditions

This reaction is typically carried out under standard temperature and pressure conditions, with no special requirements needed.

3. Reaction process

When Calcium Sulfate (CaSO₄) and Sodium Dithionite (Na₂S₂O₄) meet, they interact with each other, resulting in the formation of Sodium Sulfate (Na₂SO₄) and Calcium Dithionite (CaS₂O₄). This is a displacement reaction, as elements from the two original compounds have swapped places to form two new compounds.

4. Phenomena that occur

The phenomena that occur in this reaction depend on the specific experimental conditions. Typically, one might observe changes in color, particle size, or mass of the sample substance during the reaction process.