11. Start level 3 of the balancing equation game. Take turns and write down the equations as you solve them, along with any new strategies you needed for balancing. CHALLENGE QUESTIONS: BALANCE THE EQUATIONS BELOW.

A. ___ NaNO3 + ___ PbO  ___ Pb(NO3)2 + ___ Na2O

B. ___ Ca3P2 + ___ H2O  ___Ca(OH)2 + ___ PH3

C. ___Fe2O3 + ___ CO  ___Fe + ___ CO2

D. ___NH3 + ___ O2  ___ NO2 + ___ H2O

E. ___FeS + ___O2  ___Fe2O3 + ___SO2

F. ___ C3H6O2 + ___ O2  ___ CO2 + ___ H2O