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
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