How do you balance this chemical equation: #HI(g) → H_2(g) + I_2(g)#? Chemistry Chemical Reactions Balancing Chemical Equations 1 Answer anor277 May 22, 2016 #1/2I_2(g) + 1/2H_2(g) rightleftharpoonsHI(g)# Explanation: How could I remove the #1/2# coefficient? 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 1422 views around the world You can reuse this answer Creative Commons License