What is the balanced equation for P o2 p2o5?

P4 + O2 → P2O5

Word equation: Phosphorous + Oxygen gas → Diphosphorous pentoxide

Type of Chemical Reaction: For this reaction we have a combination reaction.

Balancing Strategies: This combination reaction is a lot easier to balance and if you can get an even number of oxygen atoms on the reactants side of the equation.

You can do this by multiplying the diphosphorous pentoxide (P2O5) by two.


This is an oxidation-reduction (redox) reaction:

4 P0 - 20 e- 4 PV (oxidation)

10 O0 + 20 e- 10 O-II (reduction)

P is a reducing agent, O2 is an oxidizing agent.