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2 Fe(OH)3 = Fe2O3 + 3 H2 + 3 O
C6H6SO3H + NaOH = H2O + NaC6H6SO3 =>
C6H6SO3H + NaOH = H2O + NaC6H6SO3
CoSO4 + H2SO4 + RbReO4 = ReSO4 + Rb2SO4 + Co2(SO4)3 + H2O =>
10 CoSO4 + 8 H2SO4 + 2 RbReO4 = 2 ReSO4 + Rb2SO4 + 5 Co2(SO4)3 + 8 H2O
C4H9OH(s) + O2(g) = CO2(g) + H2O(g) =>
C4H9OH(s) + 6 O2(g) = 4 CO2(g) + 5 H2O(g)
C9H11NO3 + O2 = C9H11NO4 =>
2 C9H11NO3 + O2 = 2 C9H11NO4
Cl2O6 + H2O = HCl + O2 =>
2 Cl2O6 + 2 H2O = 4 HCl + 7 O2
Na2S2O + I2 = Na2S2I2 + O2 =>
2 Na2S2O + 2 I2 = 2 Na2S2I2 + O2
Ca + Sn{4+} = Ca{2+} + Sn =>
2 Ca + Sn{4+} = 2 Ca{2+} + Sn
CuS + HCl = CuCl2 + H2S =>
CuS + 2 HCl = CuCl2 + H2S
MnO2 + Zn{2+} + H2O = MnO4{-} + Zn + H{+} =>
2 MnO2 + 3 Zn{2+} + 4 H2O = 2 MnO4{-} + 3 Zn + 8 H{+}
C + Na2Cr2O7 = Cr2O3 + Na2O + CO2 =>
3 C + 2 Na2Cr2O7 = 2 Cr2O3 + 2 Na2O + 3 CO2
CrO + SO2 = CrO2 + SO =>
CrO + SO2 = CrO2 + SO
Na2CO3 + HCl = NaCl + CO2 + H2O =>
Na2CO3 + 2 HCl = 2 NaCl + CO2 + H2O
Ba + H3Po4 = Ba3(Po4)2 + H2 =>
3 Ba + 2 H3Po4 = Ba3(Po4)2 + 3 H2
CsCl + H2 = HCl + Cs =>
2 CsCl + H2 = 2 HCl + 2 Cs
AgF + CaBr2 = AgBr + CaF2 =>
2 AgF + CaBr2 = 2 AgBr + CaF2
Na2O*3SiO2 + H2SO4 = SiO2 + H2O + Na2SO4 =>
Na2O*3SiO2 + H2SO4 = 3 SiO2 + H2O + Na2SO4
Na2O + (NH4)2SO4 = Na2SO4 + H2O + NH3 =>
Na2O + (NH4)2SO4 = Na2SO4 + H2O + 2 NH3
HCl + H2S = Cl2S + H2 =>
2 HCl + H2S = Cl2S + 2 H2
HNO3 + P = H3PO4 + NO2 + H2O =>
5 HNO3 + P = H3PO4 + 5 NO2 + H2O
Na2[Zn(OH)4] = NaOH + Zn(OH)2 =>
Na2[Zn(OH)4] = 2 NaOH + Zn(OH)2
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
Pb + Ag2O = Ag + PbO =>
Pb + Ag2O = 2 Ag + PbO
Sn(OH)2 + CsOH = Cs[Sn(OH)3] =>
Sn(OH)2 + CsOH = Cs[Sn(OH)3]
KHP + NaOH = NaP + H2O + K =>
KHP + NaOH = NaP + H2O + K
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
CO2 + Ni = NiO2 + C =>
CO2 + Ni = NiO2 + C
HNO3 + I2 = H2O + HIO3 + NO2 =>
10 HNO3 + I2 = 4 H2O + 2 HIO3 + 10 NO2
Fe + HCl + HNO3 = FeCl2 + NO + H2O =>
3 Fe + 6 HCl + 2 HNO3 = 3 FeCl2 + 2 NO + 4 H2O
CO3{2-} + NO3{-} + As2Se3 = AsO4{3-} + SeO4{2-} + NO2{-} + CO2 =>
6 CO3{2-} + 14 NO3{-} + As2Se3 = 2 AsO4{3-} + 3 SeO4{2-} + 14 NO2{-} + 6 CO2
Hg2(NO3)2 + CuSO4 = HgSO4 + CuNO3 =>
Hg2(NO3)2 + 2 CuSO4 = 2 HgSO4 + 2 CuNO3
J2 + Na2S2O3 = NaJ + Na2S4O6 =>
J2 + 2 Na2S2O3 = 2 NaJ + Na2S4O6
CO3{2-} + NO3{-} + As2Se3 = AsO4{3-} + SeO4{2-} + NO2{-} + CO2 =>
6 CO3{2-} + 14 NO3{-} + As2Se3 = 2 AsO4{3-} + 3 SeO4{2-} + 14 NO2{-} + 6 CO2
AgOH + Ba3(PO4)2 = Ag3(PO4) + Ba(OH)2 =>
6 AgOH + Ba3(PO4)2 = 2 Ag3(PO4) + 3 Ba(OH)2
HCl + (NH4)Br = HBr + NH4Cl =>
HCl + (NH4)Br = HBr + NH4Cl
Cu + nitricacid = copper(ii)nitrate + water + NO =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 4 H2O + 2 NO
K3[Cr(OH)6] = Cr(OH)3 + KOH =>
K3[Cr(OH)6] = Cr(OH)3 + 3 KOH
KI(aq) + CuCl(s) = KCl(aq) + CuI(s) =>
KI(aq) + CuCl(s) = KCl(aq) + CuI(s)
Bi2O3 + (NH4)2S2O8 + KOH = KBiO3 + K2SO4 + H2O + NH3 =>
Bi2O3 + 2(NH4)2S2O8 + 10 KOH = 2 KBiO3 + 4 K2SO4 + 7 H2O + 4 NH3
Hg(NO3)2 + K2S = HgK2 + S(NO3)2 =>
Hg(NO3)2 + K2S = HgK2 + S(NO3)2
P3 + BaBr2 = PBr3 + Ba2 =>
4 P3 + 18 BaBr2 = 12 PBr3 + 9 Ba2
H3AsO4 + Ca(OH)2 = H2AsO4{-} + Ca{2+} + H2O =>
2 H3AsO4 + Ca(OH)2 = 2 H2AsO4{-} + Ca{2+} + 2 H2O
C9H9N3O2 + O2 = CO2 + H2O + NO3 =>
4 C9H9N3O2 + 59 O2 = 36 CO2 + 18 H2O + 12 NO3
Zn + CnSO4 = ZnSO4 + Cn =>
Zn + CnSO4 = ZnSO4 + Cn
H{+} + CO3{2-} = H2CO3 = H2O + CO2 =>
2 H{+} + CO3{2-} = H2CO3
ZnS + H{+} = Zn{2+} + H2S =>
ZnS + 2 H{+} = Zn{2+} + H2S
Sn(s) + NiCl2(aq) = Ni(s) + SnCl2(aq) =>
Sn(s) + NiCl2(aq) = Ni(s) + SnCl2(aq)
Na + Ag = AgNa =>
Na + Ag = AgNa
CuO + H2SO4(aq) = CuSO4(aq) + H2O =>
CuO + H2SO4(aq) = CuSO4(aq) + H2O
HgS + H2O = HgOH + HS =>
HgS + H2O = HgOH + HS
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