Which of the following chemical equations is NOT correctly balanced?
N2 + H2 --> 2 NH3
HCl + NaHCO3 --> CO2 + H2O + NaCl
C2H5OH + 3O2 --> 2CO2 + 3H2O
4NH3 + 5O2 --> 4NO + 6H2O
To see if an equation is balanced, make sure that each side of the reaction has an equal number of the types of atoms. The one that has a mismatch is A