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Fe2O3 + 3 CO = 2 Fe + 3 CO2
Ba + SO4 = Ba(SO4)2 =>
Ba + 2 SO4 = Ba(SO4)2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Al + ZnS = Al2S3 + Zn =>
2 Al + 3 ZnS = Al2S3 + 3 Zn
Ni(NO3)2 + C4H8N2 = Ni(C4H7N2)2 + HNO3 =>
Ni(NO3)2 + 2 C4H8N2 = Ni(C4H7N2)2 + 2 HNO3
(CuOH)2CO3 + HCl = CuCl2 + CO2 + H2O =>
(CuOH)2CO3 + 4 HCl = 2 CuCl2 + CO2 + 3 H2O
LiOH + H2S = H2O + Li2S =>
2 LiOH + H2S = 2 H2O + Li2S
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
H2O + NO2 = NH3 + O2 =>
6 H2O + 4 NO2 = 4 NH3 + 7 O2
PbSO4 = PbSO3 + O2 =>
2 PbSO4 = 2 PbSO3 + O2
Ca(OH)2 + HCl = CaCl2 + H2O =>
Ca(OH)2 + 2 HCl = CaCl2 + 2 H2O
NaO + CO = Na2CO3 =>
2 NaO + CO = Na2CO3
Sr(C2H3O2)2 + H3PO4 = Sr3(PO4)2 + HC2H3O2 =>
3 Sr(C2H3O2)2 + 2 H3PO4 = Sr3(PO4)2 + 6 HC2H3O2
KNO3 + K2S2O3 + K2S = K2SO4 + N2 =>
8 KNO3 + 4 K2S2O3 + K2S = 9 K2SO4 + 4 N2
Fe(NO3)3 + KI + H2O = HI + Fe(OH)3 + KNO3 =>
Fe(NO3)3 + 3 KI + 3 H2O = 3 HI + Fe(OH)3 + 3 KNO3
MgSO4 + NH4Cl = (NH4)2SO4 + MgCl2 =>
MgSO4 + 2 NH4Cl = (NH4)2SO4 + MgCl2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
C2H4 + HOBr = C2H5OBr =>
C2H4 + HOBr = C2H5OBr
K2CO3 + CuCl2 = KCl + CuCO3 =>
K2CO3 + CuCl2 = 2 KCl + CuCO3
KI + Mg = KMg + I2 =>
2 KI + 2 Mg = 2 KMg + I2
H3PO4 + NH4OH = H2O + (NH4)3PO4 =>
H3PO4 + 3 NH4OH = 3 H2O + (NH4)3PO4
MnO4 + Br2 = Mn + BrO3 =>
3 MnO4 + 2 Br2 = 3 Mn + 4 BrO3
Ni + HN = H2 + NiN =>
2 Ni + 2 HN = H2 + 2 NiN
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
WO3 + C = W + CO2 =>
2 WO3 + 3 C = 2 W + 3 CO2
CrCe3 + Ce2 + KOH = K2Cr2O7 + KCe + H2O =>
2 CrCe3 + 3 Ce2 + 14 KOH = K2Cr2O7 + 12 KCe + 7 H2O
MgSO4 + NH4Cl = (NH4)2SO4 + MgCl2 =>
MgSO4 + 2 NH4Cl = (NH4)2SO4 + MgCl2
FeS + H2SO4 = H2S + FeSO4 =>
FeS + H2SO4 = H2S + FeSO4
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
MgSO4 + KCl = MgCl2 + K2SO4 =>
MgSO4 + 2 KCl = MgCl2 + K2SO4
*2P + *5O2 = *2PO2 =>
5*2P + 2*5O2 = 5*2PO2
ICl3 = ICl + Cl =>
ICl3 = ICl + 2 Cl
C2H2 + H2O = C2H4O =>
C2H2 + H2O = C2H4O
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
HNO3 + CaCO3 = Ca(NO3)2 + CO2 + H2O =>
2 HNO3 + CaCO3 = Ca(NO3)2 + CO2 + H2O
Cd + N2 = CdN2 =>
Cd + N2 = CdN2
CU + HCl = CUCl2 + H2 =>
CU + 2 HCl = CUCl2 + H2
Ni(NO3)2 + C2H4(NH2)2 = Ni(NH2CH2CH2NH2)2(NO3)2 =>
Ni(NO3)2 + 2 C2H4(NH2)2 = Ni(NH2CH2CH2NH2)2(NO3)2
Ca + F = Ca2F =>
2 Ca + F = Ca2F
MgO + Na3PO4 = Mg3(PO4)2 + Na2O =>
3 MgO + 2 Na3PO4 = Mg3(PO4)2 + 3 Na2O
Al(s) + Br2(g) = AlBr3(s) =>
2 Al(s) + 3 Br2(g) = 2 AlBr3(s)
Be(OH)2 + HNO3 = Be(NO3)2 + H2O =>
Be(OH)2 + 2 HNO3 = Be(NO3)2 + 2 H2O
Au + NO3 = Au(NO3)3 =>
Au + 3 NO3 = Au(NO3)3
SiCl4 + H2O = H4SiO4 + HCl =>
SiCl4 + 4 H2O = H4SiO4 + 4 HCl
NH4OH + H3PO4 = (NH4)3PO4 + H2O =>
3 NH4OH + H3PO4 = (NH4)3PO4 + 3 H2O
H2SO4 + Pb[OH]4 = Pb[SO4]2 + H2O =>
2 H2SO4 + Pb[OH]4 = Pb[SO4]2 + 4 H2O
S + HNO3 + H2O = NO + H2SO3 =>
3 S + 4 HNO3 + H2O = 4 NO + 3 H2SO3
ZnBr2 + H2O = ZnOHBr + HBr =>
ZnBr2 + H2O = ZnOHBr + HBr
NH3 + I2 = N2I6 + H2 =>
2 NH3 + 3 I2 = N2I6 + 3 H2
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