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Fe2O3 + 2 Al(s) = 2 Fe(s) + Al2O3
NHO3 + H2S = NO2 + H2O + S =>
2 NHO3 + H2S = 2 NO2 + 2 H2O + S
Cr2O7{-2} + SO3{-2} = CrO2{-} + SO4{-2} =>
Cr2O7{-2} + 3 SO3{-2} = 2 CrO2{-} + 3 SO4{-2}
X{+} + Y = X + Y{+2} =>
2 X{+} + Y = 2 X + Y{+2}
H2O + ClO3 = HClO2 + OH =>
2 H2O + ClO3 = HClO2 + 3 OH
CrBO3 + ZnCO3 = Cr2(CO3)3 + Zn3(BO3)2 =>
2 CrBO3 + 3 ZnCO3 = Cr2(CO3)3 + Zn3(BO3)2
NaCl + (NH4)2CO3 = NaCO3 + (NH4)2Cl =>
NaCl + (NH4)2CO3 = NaCO3 + (NH4)2Cl
NH3(g) + O2(g) + CH4 = HCN + H2O(l) =>
2 NH3(g) + 3 O2(g) + 2 CH4 = 2 HCN + 6 H2O(l)
Na2O + HF = NaF + H2O =>
Na2O + 2 HF = 2 NaF + H2O
H2C2O4 + VO2{+} + H{+} = VO{2+} + H2O + H2C2O5 =>
H2C2O4 + 2 VO2{+} + 2 H{+} = 2 VO{2+} + H2O + H2C2O5
C3H5O2 + C3H8O = C6H12O2 + H2O =>
4 C3H5O2 + 6 C3H8O = 5 C6H12O2 + 4 H2O
AlO3 + Cl2 = AlClO3 =>
2 AlO3 + Cl2 = 2 AlClO3
HCl(aq) + HNO3(aq) + Pt(s) = H2O(l) + PtCl4(aq) + NO(g) =>
12 HCl(aq) + 4 HNO3(aq) + 3 Pt(s) = 8 H2O(l) + 3 PtCl4(aq) + 4 NO(g)
K2SO4 = K2O + SO3 =>
K2SO4 = K2O + SO3
K2O + HBr = KBr + H2O =>
K2O + 2 HBr = 2 KBr + H2O
IO3 + H3O = I2 + H2O =>
2 IO3 + 12 H3O = I2 + 18 H2O
Si2H3 + O3 = SiO2 + H2O3 =>
6 Si2H3 + 17 O3 = 12 SiO2 + 9 H2O3
HC2H3O2(aq) + Ca(OH)2 = H2O(l) + Ca(C2H3O2)2(aq) =>
2 HC2H3O2(aq) + Ca(OH)2 = 2 H2O(l) + Ca(C2H3O2)2(aq)
Na2SO4(aq) + BaCl2(aq) = BaSO4(s) + NaCl(aq) =>
Na2SO4(aq) + BaCl2(aq) = BaSO4(s) + 2 NaCl(aq)
NH4Al(SO4)2 + NH3 + H2O = Al2O3H2O + (NH4)2SO4 =>
2 NH4Al(SO4)2 + 6 NH3 + 4 H2O = Al2O3H2O + 4(NH4)2SO4
Rb + H2SO4 = Rb2SO4 + H2 =>
2 Rb + H2SO4 = Rb2SO4 + H2
Na3PO4 + Ca(NO3)2 = Ca3(PO4)2 + NaNO3 =>
2 Na3PO4 + 3 Ca(NO3)2 = Ca3(PO4)2 + 6 NaNO3
Bi + H2SO4 = Bi2(SO4)3 + SO2 + H2O =>
2 Bi + 6 H2SO4 = Bi2(SO4)3 + 3 SO2 + 6 H2O
Al + Na(OH) = H2 + Na3(AlO3) =>
2 Al + 6 Na(OH) = 3 H2 + 2 Na3(AlO3)
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
C6H5CH3HNO3 = C6H4NO2CH3H2O =>
C6H5CH3HNO3 = C6H4NO2CH3H2O
C2H6O2 + K2Cr2O7 + H2SO4 = C2H2O2 + Cr2(SO4)3 + K2SO4 + H2O =>
3 C2H6O2 + 2 K2Cr2O7 + 8 H2SO4 = 3 C2H2O2 + 2 Cr2(SO4)3 + 2 K2SO4 + 14 H2O
FeCl2 = Cl2 + Fe =>
FeCl2 = Cl2 + Fe
KClO3 + Fe(NO3)3 = Fe(ClO3)3 + KNO3 =>
3 KClO3 + Fe(NO3)3 = Fe(ClO3)3 + 3 KNO3
Ga(s) + F3(g) = GaF2(s) =>
3 Ga(s) + 2 F3(g) = 3 GaF2(s)
CH3CH2OH + KMnO4 + HCl = MnCl + CH3COOH + H2O + KCl =>
3 CH3CH2OH + 2 KMnO4 + 4 HCl = 2 MnCl + 3 CH3COOH + 5 H2O + 2 KCl
CrCO3 = CrO + CO2 =>
CrCO3 = CrO + CO2
ZnO + CuCl = ZnCl2 + Cu2O =>
ZnO + 2 CuCl = ZnCl2 + Cu2O
Ca3(PO4)2 + C + SiO2 = CO + CaSiO4 + P =>
Ca3(PO4)2 + 2 C + 3 SiO2 = 2 CO + 3 CaSiO4 + 2 P
CrO3 + Cl2 = CrCl6 + O2 =>
2 CrO3 + 6 Cl2 = 2 CrCl6 + 3 O2
CH3CHO + Cu(OH)2 = CH3CO2H + Cu2O + H2O =>
CH3CHO + 2 Cu(OH)2 = CH3CO2H + Cu2O + 2 H2O
CH3NH2C2H5Cl = HClC3H8NH =>
CH3NH2C2H5Cl = HClC3H8NH
Zn + H(NO3) = Zn(NO3)2 + H2O + NO2 =>
Zn + 4 H(NO3) = Zn(NO3)2 + 2 H2O + 2 NO2
Mg + CuCl2 = MgCl2 + Cu4 =>
4 Mg + 4 CuCl2 = 4 MgCl2 + Cu4
Tb + H2SO4 = Tb2(SO4)3 + H =>
2 Tb + 3 H2SO4 = Tb2(SO4)3 + 6 H
A2 + A2B = A5B2 =>
A2 + 4 A2B = 2 A5B2
Ca(NO3)2 + ZrO(NO3)2 + C6H8NO7 = CaZrO3 + CO2 + H2O + N2 =>
9 Ca(NO3)2 + 9 ZrO(NO3)2 + 10 C6H8NO7 = 9 CaZrO3 + 60 CO2 + 40 H2O + 23 N2
H2SO4 + NH4OH = H2O + (NH4)HSO4 =>
H2SO4 + NH4OH = H2O + (NH4)HSO4
Na2S + Na2[Fe(CN)5NO] = Na4[Fe(CN)5NOS] = naoh =>
Na2S + Na2[Fe(CN)5NO] = Na4[Fe(CN)5NOS]
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
AlCl + Ca(OH)2 = Al(OH) + CaCl2 =>
2 AlCl + Ca(OH)2 = 2 Al(OH) + CaCl2
(NH4)2Cr2O7 = Cr2O3 + H2O + NH3 + O2 =>
2(NH4)2Cr2O7 = 2 Cr2O3 + 2 H2O + 4 NH3 + 3 O2
Al + NaOH + H2O = NaAl(OH)4 + H2 =>
2 Al + 2 NaOH + 6 H2O = 2 NaAl(OH)4 + 3 H2
(Mg2)(C3) + (H2)O = Mg(OH)2 + (C3)(H4) =>
(Mg2)(C3) + 4(H2)O = 2 Mg(OH)2 + (C3)(H4)
MnSO4 + NaBiO3 + HNO3 = HMnO4 + Bi(NO3)3 + Na2SO4 + NaNO3 + H2O =>
2 MnSO4 + 5 NaBiO3 + 16 HNO3 = 2 HMnO4 + 5 Bi(NO3)3 + 2 Na2SO4 + NaNO3 + 7 H2O
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