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12 Fe + 5 P4 = 4 Fe3P5
SiC + SiO2 = Si + CO =>
2 SiC + SiO2 = 3 Si + 2 CO
Zn(C2H3O2)2 + NaOH = Zn(OH)2 + Na(C2H3O2) =>
Zn(C2H3O2)2 + 2 NaOH = Zn(OH)2 + 2 Na(C2H3O2)
Fe2(SO4)3 + K2CO3 + H2O = Fe(OH)3 + K2SO4 + H2CO3 =>
Fe2(SO4)3 + 3 K2CO3 + 6 H2O = 2 Fe(OH)3 + 3 K2SO4 + 3 H2CO3
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
Li + As = Li3As =>
3 Li + As = Li3As
C17H35COOH + O2 = CO2 + H2O =>
C17H35COOH + 26 O2 = 18 CO2 + 18 H2O
Na3PO4 + K2SO4 = Na2SO4 + K3PO4 =>
2 Na3PO4 + 3 K2SO4 = 3 Na2SO4 + 2 K3PO4
BaCl2(s) + H2O(l) = BaO + HCl =>
BaCl2(s) + H2O(l) = BaO + 2 HCl
SiC + KOH = K2SiO4 + K2CO3 + K2O + H2 =>
SiC + 10 KOH = K2SiO4 + K2CO3 + 3 K2O + 5 H2
CeO2 + H{+} + {-} = Ce(OH) + H2O =>
CeO2 + 3 H{+} + 3e = Ce(OH) + H2O
C7H14O + KMnO4 + H2SO4 = C7H12O2 + H2O + K2SO4 + MnSO4 =>
5 C7H14O + 4 KMnO4 + 6 H2SO4 = 5 C7H12O2 + 11 H2O + 2 K2SO4 + 4 MnSO4
Ag + HBr = AgBr + H2 =>
2 Ag + 2 HBr = 2 AgBr + H2
NO2 + HClO = NO3 + HCl =>
NO2 + HClO = NO3 + HCl
SiO + NO2 = N2 + SiO2 =>
4 SiO + 2 NO2 = N2 + 4 SiO2
AlCl3 + NaF = AlF3 + NaCl =>
AlCl3 + 3 NaF = AlF3 + 3 NaCl
I2 + AgF = IF + AgI =>
I2 + AgF = IF + AgI
CH3CH2OH + O2(exceso) = CH3CHO + H2O =>
2 CH3CH2OH + O2(exceso) = 2 CH3CHO + 2 H2O
C15H31COO{-} + H2O = CH3COO{-} + H2 + H{+} =>
C15H31COO{-} + 14 H2O = 8 CH3COO{-} + 14 H2 + 7 H{+}
H2S2O6 + NaOH = Na2S2O3 + Na2SO4 + H2O =>
4 H2S2O6 + 14 NaOH = Na2S2O3 + 6 Na2SO4 + 11 H2O
MgO*8SiO2*2H2O = MgO + SiO2 + H2O =>
MgO*8SiO2*2H2O = MgO + 8 SiO2 + 2 H2O
Na3N + Ca = Ca2N3 + Na =>
3 Na3N + 2 Ca = Ca2N3 + 9 Na
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
CaH2 + H2O = Ca2O + H2 =>
2 CaH2 + H2O = Ca2O + 3 H2
(b)NH4NO3(s) = N2O(g) + H2O(g) =>
(b)NH4NO3(s) = N2O(g) + 2 H2O(g)
NH4NO3 + Na3 + PO4 = (NH4)3PO4 + NaNO3 =>
3 NH4NO3 + Na3 + PO4 = (NH4)3PO4 + 3 NaNO3
CrO + HBr = CrBr + Br2 + H2O =>
2 CrO + 4 HBr = 2 CrBr + Br2 + 2 H2O
Hg + AgO = HgO2 + Ag =>
Hg + 2 AgO = HgO2 + 2 Ag
H3PO3 + NH4OH = (NH4)2HPO3 + H2O =>
H3PO3 + 2 NH4OH = (NH4)2HPO3 + 2 H2O
N2 + HCl = NCl3 + H2 =>
N2 + 6 HCl = 2 NCl3 + 3 H2
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
(Na)2S = Na2 + S =>
(Na)2S = Na2 + S
H2SO4 + AlF3 = H2F3 + AlSO4 =>
H2SO4 + AlF3 = H2F3 + AlSO4
Mg(s) + AlCl3 = Al(s) + MgCl2(aq) =>
3 Mg(s) + 2 AlCl3 = 2 Al(s) + 3 MgCl2(aq)
(NH4) + CO3 = (NH4)2CO3 =>
2(NH4) + CO3 = (NH4)2CO3
H2CrO4 + AlH3 = Al2(CrO4)3 + H2 =>
3 H2CrO4 + 2 AlH3 = Al2(CrO4)3 + 6 H2
Pb(s) + Fe(NO3)2(aq) = Fe(s) + Pb(NO3)2(aq) =>
Pb(s) + Fe(NO3)2(aq) = Fe(s) + Pb(NO3)2(aq)
CaCl2(aq) + Li2CO3(aq) = CaCO3(s) + LiCl(aq) =>
CaCl2(aq) + Li2CO3(aq) = CaCO3(s) + 2 LiCl(aq)
TiO2 + H2O = Ti(OH)4 =>
TiO2 + 2 H2O = Ti(OH)4
ZnSO4 + NaS = ZnS + NaSO4 =>
ZnSO4 + NaS = ZnS + NaSO4
Ca(OH)2(aq) + H3PO4(aq) = Ca3(PO4)2 + H2O =>
3 Ca(OH)2(aq) + 2 H3PO4(aq) = Ca3(PO4)2 + 6 H2O
KI(aq) + (NH4)2S2O8(aq) = I2(aq) + K2SO4(aq) + (NH4)2SO4(aq) =>
2 KI(aq) + (NH4)2S2O8(aq) = I2(aq) + K2SO4(aq) + (NH4)2SO4(aq)
Ca(OH)2(aq) + H3PO4(aq) = Ca3(PO4)2(s) + H2O(l) =>
3 Ca(OH)2(aq) + 2 H3PO4(aq) = Ca3(PO4)2(s) + 6 H2O(l)
CO + O2CO2 = CO2 =>
2 CO + O2CO2 = 3 CO2
CH2Cl2 = CH4 + CCl4 =>
2 CH2Cl2 = CH4 + CCl4
KNO3 + S + CaCO3 = KNO2 + CaSO4 + CO2 =>
3 KNO3 + S + CaCO3 = 3 KNO2 + CaSO4 + CO2
C2H5OH = (C2H5)2O + H2O =>
2 C2H5OH = (C2H5)2O + H2O
C6H10S + O2 = CO2 + H2O + SO2 =>
2 C6H10S + 19 O2 = 12 CO2 + 10 H2O + 2 SO2
CH2Cl2 = CH4CCl4 =>
2 CH2Cl2 = CH4CCl4
H3PO4(aq) + Ca(OH)2(aq) = Ca3(PO4)2(aq) + H2O(l) =>
2 H3PO4(aq) + 3 Ca(OH)2(aq) = Ca3(PO4)2(aq) + 6 H2O(l)
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