Write balanced symbol equations for the following reactions:
Na + Cl2 ® NaCl
CaCO3 + HCl ® CaCl2 + CO2 + H2O
N2 + H2 ® NH3
Pb(NO3)2 + K2CrO4 ® KNO3 + PbCrO4
C2H5OH + O2 ® CO2 + H2O
ANSWER