Question

P-p2o5-h3po4-na3po4 -H3PO4-Na3PO4–Fe(NO3)2

Answer 1

4P+5O2=2P2O5

2P2O5+3H2=2H3PO4+5O2

H3PO4+3NaCl=Na3PO4+3HCl

Answer 2

The given sequence appears to be a combination of chemical formulas for different compounds. Let's break it down step by step:

1. P: This represents the element phosphorus, which is often found in compounds like phosphates.

2. P2O5: This is the chemical formula for diphosphorus pentoxide, a covalent compound that is often used as a dehydrating agent or in the synthesis of phosphoric acid.

3. H3PO4: This is the chemical formula for phosphoric acid, which is a weak acid used in various industries and applications.

4. Na3PO4: This is the chemical formula for sodium phosphate, a family of compounds that include both mono-, di-, and tri-sodium phosphates. Sodium phosphate is used in detergents, food additives, and in some medical applications.

5. H3PO4: This is phosphoric acid again.

6. Na3PO4: This is sodium phosphate again.

7. Fe(NO3)2: This is the chemical formula for iron(II) nitrate, a salt of iron and nitric acid.

The sequence appears to be a mix of different chemicals related to phosphorus and sodium phosphate, with the addition of iron(II) nitrate. If you have any specific questions about these compounds or if you need more information about a particular aspect, feel free to ask!