Complete the reaction equations. a) C + O2 b) P + O2 c) Fe + O2 d) S + O2

a) С + О2 → CO2
b) 4Р + 5О2 → 2P2O5
c) 3Fe + 2O2 → Fe3O4
d) S + O2 → SO2



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.