First Five for January 24 and 25

Balance each of the following equations:

 

1.         ____ C3H8 + ____O2  →     ____CO2 + ____ H2O

 

2.        ____ P4 + ____ O2  →    ____ P2O5

 

3.        ____ AlBr3 + ____ Cl2   →     ____ AlCl3 + ____ Br2

 

4.        ____ H2 + ____ N2  →       ____ NH3

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Posted in Chemistry, First Five