Question

S= so2 =so3= h2so4 =feso4 срочно

Answer 1

S + O2 = SO2

2SO2 + O2 = 2SO3

SO3 + H2O = H2SO4

H2SO4 + Fe = FeSO4 + H2

отметь как лучший, пожалуйста.

Answer 2

It seems like you've listed a sequence of chemical compounds related to sulfur and iron. Here's the interpretation of the compounds you've mentioned:

1. SO2: This represents sulfur dioxide, a colorless gas with a pungent odor. It is produced during the combustion of sulfur-containing fuels and is also a common industrial chemical.

2. SO3: This represents sulfur trioxide, a colorless to white crystalline solid that is also a highly reactive and dangerous gas. It is often used in the production of sulfuric acid.

3. H2SO4: This represents sulfuric acid, one of the strongest mineral acids. It is a colorless, oily liquid and is widely used in various industrial processes.

4. FeSO4: This represents ferrous sulfate, an iron salt with the chemical formula FeSO4. It is commonly used as a dietary supplement to treat or prevent iron deficiency anemia and is also used in other applications like water treatment.

It seems like you've listed these compounds without specific context or a question. If you have any specific questions or need more information about these compounds or any related topic, feel free to ask!