Help solving this balancing equation?

1) _NO + _O2 > _NO2
2)_CuO + _Al > _Cu + _Al2O3
3)_H2S + _SO2 > _S + _H2O
4)_P4O6 + _H2O > _H3PO3
5)_C3H8 + _O2 > _CO2 + _H2O
6)_HNO3 + _Cu > _Cu(NO3)2 + _NO + H2O

Answer:
1. 2NO + O2 = 2NO2
2. 3CuO + 2Al = 3Cu + Al2O3
3. 2H2S + SO2 = 3S + 2H2O
4. P4O6 + 6H2O = 4H3PO3
5. C3H8 + 5O2 = 3CO2 +4H2O
6. 4HNO3 + Cu = Cu(NO3)2 + 4NO + 4H2O
1. 2NO+ O2 ---> 2 NO2
2. 3CuO+ 2Al----> 3Cu + Al2O3
3. H2S+ SO2--->2S+ 2H2O
4.P4O6 + 6H2O ---> 4H3PO3
5. C3H8+5O2--->3CO2 + 4H2O
) 2NO + O2 > 2NO2
2)3CuO + 2Al > 3Cu + Al2O3
3)H2S + SO2 > 2S + H2O
4)P4O6 + 6H2O > 4H3PO3
5)C3H8 + 5O2 > 3CO2 + 4H2O
1) 2NO + O2 > 2NO2

2)3CuO + 2Al > 3Cu + Al2O3

3)2H2S + SO2 > 3S + 2H2O

4)P4O6 + 6H2O > 4H3PO3

5)C3H8 + 5O2 > 3CO2 + 4H2O

6)_HNO3 + _Cu > _Cu(NO3)2 + _NO + H2O


i cant not solve the last one due to shortage of time

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