Balancing chemical equations

Is this chemical equation balanced?

The above chemical equation took me quite a while to balance. 🙂

Balancing of equations is crucial because it will affect the calculations of mole, mass of reactants and volume of gas which is another chapter altogether.

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Have Fun! 🙂

1)      __SeCl6  + __O2     —->    ___SeO2  + __Cl2

2)      __(NH4)3PO4  + __Pb(NO3)4       —>                   __Pb3(PO4)4  + __NH4NO3

3)      __KOH + __H3PO4         —>                 __K3PO4  + __H2O

4)      __H3PO4   + ___HCl           —>           __PCl5  + __H2O

5)      __Ca3(PO4)2   + ___H2SO4         —>              __CaSO4  + __Ca(H2PO4)2

6)     ___H2SO + __MgCO3 —>              __MgSO4 + __CO2  + __H2O

7)      __NH4NO3           —>               __N2  + __O2  + __H2O

8)      __ V2O5   + ___HCl   —>                    __VOCl3  + __H2O

9)      __As   + ___NaOH     —>               __Na3AsO3  + __H2

10)      __(NH4)2CO3      —>                   __NH3  + __CO2  + __H2O

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