Balance these chemical equations. (Use the lowest possible coefficients. a) ____

Question

Balance these chemical equations. (Use the lowest possible coefficients.

a) ______ Pb(NO3)2 > ______ Pbo + ______ NO2 + ______ O2

b) ________ Al + _______ Fe3O4 > ______ Al2O3 + ______ Fe

c) _____ O2 + ______ N2H4 > ______ H2O2 + ______ N2

d) _____ Fe(OH)2 + ______ O2 + _______ H2O > ______ Fe(OH)3

e)______ NH3 + ________ O2 > _______N2 + ______H2O

f) _______ C4H10 + ______ O2 > ______ CO2 + ______ H2O

Explanation / Answer

a) 2 Pb(NO3)2 > 2Pbo + 4NO2 + 1 O2 b) 8Al + 3Fe3O4 > 4Al2O3 + 9 Fe c) 2 O2 + 1N2H4 > 2H2O2 +1 N2 d) 4Fe(OH)2 + 1O2 +2H2O > 4Fe(OH)3 e)4NH3 + 3O2 > 2N2 + 6H2O f) 2C4H10 + 13 O2 > 8CO2 + 10H2O

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