How do you balance #P+O_2 -> P_4O_10#? Chemistry Chemical Reactions Balancing Chemical Equations 1 Answer Dr. Hayek Jan 23, 2016 #4P+5O_(2)->P_4O_10# Explanation: Multiply #P# by #4# and #O_2# by #5#: #4P+5O_(2)->P_4O_10# Answer link Related questions When balancing equations, which numbers are you allowed to change? why only these? How do I get the chemical equation of aniline to phenylisocyanide? What is a balanced equation? Can you write a balanced equation for BCl3 (g)+H2O (l)-------> H3BO3 (s)+HCl (g)? What is the balanced equation for the chemical reaction #Mg_3N_2+2H_2O -> Mg(OH)_2+NH_3#? Why do chemical equations need to be balanced? How can I balance this chemical equations? Aluminum and hydrochloric acid react to form aluminum... How can I balance this chemical equation? Sodium phosphate and calcium chloride react to form... How can I balance this equation? ____ #KClO_3 -># ____ #KCl +# ____ #O_2# Why is balancing chemical equations important? See all questions in Balancing Chemical Equations Impact of this question 1379 views around the world You can reuse this answer Creative Commons License