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IO2 + H2O = IO3 + 2 H
(NH4)2S + Fe3N2 = (NH4)3N + FeS =>
3(NH4)2S + Fe3N2 = 2(NH4)3N + 3 FeS
K2CrO4 + Na2S + H2SO4 = CrSO4 + Na2SO4 + K2SO4 + H2O =>
2 K2CrO4 + Na2S + 4 H2SO4 = 2 CrSO4 + Na2SO4 + 2 K2SO4 + 4 H2O
HClO4(aq) + K2CO3(aq) = H2CO3 + KClO4 =>
2 HClO4(aq) + K2CO3(aq) = H2CO3 + 2 KClO4
SiH4 + H2O2 = SiO + H2 =>
2 SiH4 + H2O2 = 2 SiO + 5 H2
Na2C2O4(aq) + CaCl2(aq) = CaC2O4(s) + NaCl(aq) =>
Na2C2O4(aq) + CaCl2(aq) = CaC2O4(s) + 2 NaCl(aq)
C12 + A1Br3 = Br2 + A1C13 =>
13 C12 + 12 A1Br3 = 18 Br2 + 12 A1C13
CH3OH + Mg = Mg(CH3COO)2 + H =>
4 CH3OH + Mg = Mg(CH3COO)2 + 10 H
HSO4 + AgOH = AgSO4 + H2O =>
HSO4 + AgOH = AgSO4 + H2O
Al + K2CrO4 + KOH + H2O = K[Al(OH)6] + K3[Cr(OH)6] =>
3 Al + 5 K2CrO4 + 8 KOH + 20 H2O = 3 K[Al(OH)6] + 5 K3[Cr(OH)6]
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
H2O2 = O20 + H2O =>
20 H2O2 = O20 + 20 H2O
C4H8 + H = C4H19 =>
C4H8 + 11 H = C4H19
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
H2SO4 + NaCOOH = Na2SO4 + HCOOH =>
H2SO4 + 2 NaCOOH = Na2SO4 + 2 HCOOH
NaVO3 + HCl = VOCl2 + NaCl + H2O + Cl2 =>
2 NaVO3 + 8 HCl = 2 VOCl2 + 2 NaCl + 4 H2O + Cl2
Ta + Bi2O3 = Ta2O5 + Bi =>
6 Ta + 5 Bi2O3 = 3 Ta2O5 + 10 Bi
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
FeCl2 + K4[Fe(CN)6] = Fe[Fe(CN)6] + K4Cl2 =>
FeCl2 + K4[Fe(CN)6] = Fe[Fe(CN)6] + K4Cl2
Co(NO3)3 + Pb = Pb(NO3)2 + Co =>
2 Co(NO3)3 + 3 Pb = 3 Pb(NO3)2 + 2 Co
Np(NO3)4 + I2 + H2O = NpO2NO3 + HNO3 + HI =>
2 Np(NO3)4 + I2 + 4 H2O = 2 NpO2NO3 + 6 HNO3 + 2 HI
Fe(s) + H2O(g) = H2(g) + Fe3O4(s) =>
3 Fe(s) + 4 H2O(g) = 4 H2(g) + Fe3O4(s)
Al + FeO = Al2O3 + Fe =>
2 Al + 3 FeO = Al2O3 + 3 Fe
NH4{+} + CH2O = (CH2)6N4 + H2O + H{+} =>
4 NH4{+} + 6 CH2O = (CH2)6N4 + 6 H2O + 4 H{+}
K2Cl2 = KCl =>
K2Cl2 = 2 KCl
CaHPO4 = Ca2P2O7 + H2O =>
2 CaHPO4 = Ca2P2O7 + H2O
HCI + NaOH = NaCI + H2O =>
HCI + NaOH = NaCI + H2O
C + O2 = CO2 =>
C + O2 = CO2
Fe2P + FeS2 = FeS + P8S20 =>
8 Fe2P + 36 FeS2 = 52 FeS + P8S20
K2Se + KMnO4 + H2SO4 = Se + K2SO4 + H2MnO4 =>
K2Se + 2 KMnO4 + 2 H2SO4 = Se + 2 K2SO4 + 2 H2MnO4
NaCH3COOH + HCl = NaCl + HCH3COOH =>
NaCH3COOH + HCl = NaCl + HCH3COOH
Ba + PO = Ba(PO) =>
Ba + PO = Ba(PO)
Fe2(Cr2O7)3 + Al = Al2(Cr2O7)3 + Fe =>
Fe2(Cr2O7)3 + 2 Al = Al2(Cr2O7)3 + 2 Fe
Pb(CH3COO)2 + Na2CO3 = Pb(CO3) + NaCH3COO =>
Pb(CH3COO)2 + Na2CO3 = Pb(CO3) + 2 NaCH3COO
BaSO4 + Fe2O3 = BaFe12O19 + SO3 =>
BaSO4 + 6 Fe2O3 = BaFe12O19 + SO3
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
K2CO3 + Pb(C2H3O2)2 = K(C2H3O2) + PbCO3 =>
K2CO3 + Pb(C2H3O2)2 = 2 K(C2H3O2) + PbCO3
K2S + H2O2 = H2S + K2O2 =>
K2S + H2O2 = H2S + K2O2
CH3COONa + FeSO4 = (CH3COO)2Fe + Na2SO4 =>
2 CH3COONa + FeSO4 = (CH3COO)2Fe + Na2SO4
NaCn + Ca(OH)2 = CaCn + H2O + NaO =>
NaCn + Ca(OH)2 = CaCn + H2O + NaO
K + H3Po4 = K3Po4 + H2 =>
6 K + 2 H3Po4 = 2 K3Po4 + 3 H2
Na2S + Cu(NO3)2 = NaNO3 + CuS =>
Na2S + Cu(NO3)2 = 2 NaNO3 + CuS
CH3CH2COOH + Ca(OH)2 = C6H10CaO4 + H2O =>
2 CH3CH2COOH + Ca(OH)2 = C6H10CaO4 + 2 H2O
HBrO3 + K(OH) = K(BrO3) + H2O =>
HBrO3 + K(OH) = K(BrO3) + H2O
P4(s) + NaOH(aq) + H2O(l) = PH3(g) + Na2HPO3(aq) =>
P4(s) + 4 NaOH(aq) + 2 H2O(l) = 2 PH3(g) + 2 Na2HPO3(aq)
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Zn(PO4)2 + Pb(NO3)2 = Pb(PO4)2 + Zn(NO3)2 =>
Zn(PO4)2 + Pb(NO3)2 = Pb(PO4)2 + Zn(NO3)2
C6H12O6 + H2O = CH3OH + CO2 =>
C6H12O6 + 2 H2O = 4 CH3OH + 2 CO2
Na2CO3 + AgNO3 = AgCO3 + Na2NO3 =>
Na2CO3 + AgNO3 = AgCO3 + Na2NO3
Co(NO3)2 + Al = Co + Al(NO3)3 =>
3 Co(NO3)2 + 2 Al = 3 Co + 2 Al(NO3)3
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