what can you tell about the equations 2 P2O5?

In nature, the compound exists as P4O10.

If added to water, it forms an acid

H3PO4

6H2O+ P4O10 >> 4H3PO4

so,P4O10 is an acid anhydride.

The equation "2 P2O5" represents a chemical equation. Specifically, it represents the reaction or equation for two moles of phosphorus pentoxide (P2O5). However, without any context or further information, it is difficult to determine the specific details of the equation. To provide more information, I would need additional context or clarify what exactly you would like to know about the equation.