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2 Na2S2O3(H2O)5 + I2 = Na2S4O6 + 2 NaI + 10 H2O
K + BO3 = K2O + B =>
6 K + BO3 = 3 K2O + B
Pb(NO3)2 + HI = PbI2 + NO3H =>
Pb(NO3)2 + 2 HI = PbI2 + 2 NO3H
Cu(OH)2 + NH4OH = (Cu(NH3)4)(OH)2 + H2O =>
Cu(OH)2 + 4 NH4OH = (Cu(NH3)4)(OH)2 + 4 H2O
Fe(s) + HNO3(aq) + HCl(aq) = FeCl4(aq) + NO2(g) + H2O(l) =>
Fe(s) + 4 HNO3(aq) + 4 HCl(aq) = FeCl4(aq) + 4 NO2(g) + 4 H2O(l)
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
H2CO3 + H2O = H2CO3H{-} + OH{+} =>
H2CO3 + H2O = H2CO3H{-} + OH{+}
Sn + NaOH + H2O = Na2Sn(OH)4H2 =>
Sn + 2 NaOH + 2 H2O = Na2Sn(OH)4H2
Pb(NO3)2 + K2Cr4 = PbCr4 + KNO3 =>
Pb(NO3)2 + K2Cr4 = PbCr4 + 2 KNO3
CH3CCH3CCH3CH3 + KMnO4 + H2O = CH3COHCH3COHCH3CH3 + KOH + Mn02 =>
7 CH3CCH3CCH3CH3 + 2 KMnO4 + 8 H2O = 7 CH3COHCH3COHCH3CH3 + 2 KOH + Mn02
Ca + FeSO4 = CaSO4 + Fe =>
Ca + FeSO4 = CaSO4 + Fe
P3S4 + HNO3 + H2O = H3PO4 + H2SO4 + NO =>
P3S4 + 13 HNO3 + 2 H2O = 3 H3PO4 + 4 H2SO4 + 13 NO
Pb(NO3)2 + HI = PbI2 + NO3H =>
Pb(NO3)2 + 2 HI = PbI2 + 2 NO3H
Fe + HCl(dil) = FeCl3 + H2 =>
2 Fe + 6 HCl(dil) = 2 FeCl3 + 3 H2
Ca(NO3)2 = NO2 + CaO + O2 =>
2 Ca(NO3)2 = 4 NO2 + 2 CaO + O2
C2H5NSCl + O2 = CO2 + H2O + NO2 + SO3 + HCl =>
2 C2H5NSCl + 11 O2 = 4 CO2 + 4 H2O + 2 NO2 + 2 SO3 + 2 HCl
KOH + (NH4)2SO4 = K2SO4 + NH3 + HOH =>
2 KOH + (NH4)2SO4 = K2SO4 + 2 NH3 + 2 HOH
P3S4 + HNO3 + H2O = H3PO4 + H2SO4 + NO =>
P3S4 + 13 HNO3 + 2 H2O = 3 H3PO4 + 4 H2SO4 + 13 NO
NH4SCN(aq) + CuC2H3O2(aq) = NH4C2H3O2(s) + CuSCN(aq) =>
NH4SCN(aq) + CuC2H3O2(aq) = NH4C2H3O2(s) + CuSCN(aq)
As2S3 + H2O = H3AsO4 + H2SO4 + H{+} + e =>
As2S3 + 20 H2O = 2 H3AsO4 + 3 H2SO4 + 28 H{+} + 28e
O2 + C17H34O2 = CO2 + H2O =>
49 O2 + 2 C17H34O2 = 34 CO2 + 34 H2O
(NH3)2SO4 = NH3 + SO4 =>
(NH3)2SO4 = 2 NH3 + SO4
Ba(OH)2 + H2SO4 = BaH2 + (OH)2SO4 =>
Ba(OH)2 + H2SO4 = BaH2 + (OH)2SO4
C2H5OH(l) + O2(g) = H2O(l) + CO2(g) =>
C2H5OH(l) + 3 O2(g) = 3 H2O(l) + 2 CO2(g)
H2O + BrO3{-} + NH3OH{+} = Br{-} + NO3{-} + H3O{+} =>
H2O + BrO3{-} + NH3OH{+} = Br{-} + NO3{-} + 2 H3O{+}
NaOH + Zn(NO3)2 = Zn(OH)2 + Na(NO3) =>
2 NaOH + Zn(NO3)2 = Zn(OH)2 + 2 Na(NO3)
KHSO4 + CH3COOH = CH3COOK + H2SO4 =>
KHSO4 + CH3COOH = CH3COOK + H2SO4
CdO + HCl = HO + CdCl =>
CdO + HCl = HO + CdCl
Sn + Cu(NO3)2 = Sn(NO3)2 + Cu =>
Sn + Cu(NO3)2 = Sn(NO3)2 + Cu
Sn2S + HCl = SnCl + H2S =>
Sn2S + 2 HCl = 2 SnCl + H2S
Br2 + KNO3 + H2O = KBrO3 + KBr + HNO3 =>
3 Br2 + 6 KNO3 + 3 H2O = KBrO3 + 5 KBr + 6 HNO3
NaOH + (NH4)2SO4 = NH4OH + Na2SO4 =>
2 NaOH + (NH4)2SO4 = 2 NH4OH + Na2SO4
S + Br2 = SBr6 =>
S + 3 Br2 = SBr6
C2H5OH + C4H8O2 = C6H13O + H2O =>
10 C2H5OH + C4H8O2 = 4 C6H13O + 8 H2O
CH3C(CH3)CHCH3 + KMnO4 + H2O = MnO2 + CH3CH(OH)CH2(OH) + KOH =>
9 CH3C(CH3)CHCH3 + 10 KMnO4 + 20 H2O = 10 MnO2 + 15 CH3CH(OH)CH2(OH) + 10 KOH
H2CO3 + NaOH = NaHCO3 + H2O =>
H2CO3 + NaOH = NaHCO3 + H2O
Pb(NO3)2 + HI = PbI2 + NO3H =>
Pb(NO3)2 + 2 HI = PbI2 + 2 NO3H
HCl + MgO = MgCl + H2O + Cl2 =>
4 HCl + 2 MgO = 2 MgCl + 2 H2O + Cl2
C6H12O6(aq) = C2H5OH(l) + CO2(g) =>
C6H12O6(aq) = 2 C2H5OH(l) + 2 CO2(g)
Na2SO4 + CaO = CaSO4 + Na2O =>
Na2SO4 + CaO = CaSO4 + Na2O
NaOH + Fe(SO4) = Fe(OH) + Na(SO4) =>
NaOH + Fe(SO4) = Fe(OH) + Na(SO4)
CH3C(CH3)CHCH3 + KMnO4 + H2O = MnO2 + CH3CH(OH)CH2(OH) + KOH =>
9 CH3C(CH3)CHCH3 + 10 KMnO4 + 20 H2O = 10 MnO2 + 15 CH3CH(OH)CH2(OH) + 10 KOH
NaBr + MnO2 + H2SO4 = Na2SO4 + H2O + MnSO4 + Br2 =>
2 NaBr + MnO2 + 2 H2SO4 = Na2SO4 + 2 H2O + MnSO4 + Br2
NiOH2 + Br2 = NiBr2 + H2O =>
NiOH2 + Br2 = NiBr2 + H2O
Fe2O3 + C = Fe2C12 + O3 =>
Fe2O3 + 12 C = Fe2C12 + O3
Sn2S + HCl = SnCl + H2S =>
Sn2S + 2 HCl = 2 SnCl + H2S
H2SO3 + KOH = H + SO3KO =>
H2SO3 + KOH = 3 H + SO3KO
CH3C(CH3)CHCH3 + KMnO4 + H2O = MnO2 + CH3CH(OH)CH2(OH) + KOH =>
9 CH3C(CH3)CHCH3 + 10 KMnO4 + 20 H2O = 10 MnO2 + 15 CH3CH(OH)CH2(OH) + 10 KOH
Cr2O3 + HCl = CrCl + Cl2 + H2O =>
Cr2O3 + 6 HCl = 2 CrCl + 2 Cl2 + 3 H2O
CuOH + CH3COOH = CH3COOCu + H2O =>
CuOH + CH3COOH = CH3COOCu + H2O
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