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KMnO4 + 2 NaI + 4 H2SO4 = I2 + MnSO4 + KSO4 + 2 NaSO4 + 4 H2O
KC + Va = KCVa2 =>
KC + 2 Va = KCVa2
PhCHCH2 + H2O = PhCH(OH)CH2OH + H3O{+} + e =>
PhCHCH2 + 4 H2O = PhCH(OH)CH2OH + 2 H3O{+} + 2e
K2SO4 + Cu2O = Cu2SO4 + K2O =>
K2SO4 + Cu2O = Cu2SO4 + K2O
H2Cr2O7 + NaHSO3 + H2SO4 = Cr2(SO4)3 + NaHSO4 + H2O =>
H2Cr2O7 + 3 NaHSO3 + 3 H2SO4 = Cr2(SO4)3 + 3 NaHSO4 + 4 H2O
Na2CO3 + C + N = NaCN + CO =>
Na2CO3 + 4 C + 2 N = 2 NaCN + 3 CO
KCN + AgNO3 = Ag(CN)2 + K2NO3 =>
2 KCN + AgNO3 = Ag(CN)2 + K2NO3
K + Au2S3 = Au + K2S =>
6 K + Au2S3 = 2 Au + 3 K2S
Hg(NO3)2(aq) + Na2Cr2O7(aq) = HgCr2O7(s) + NaNO3(aq) =>
Hg(NO3)2(aq) + Na2Cr2O7(aq) = HgCr2O7(s) + 2 NaNO3(aq)
H3BO3 + Ca(OH)2 = Ca(H2BO3)2 + H2O =>
2 H3BO3 + Ca(OH)2 = Ca(H2BO3)2 + 2 H2O
Au + NO3{-} + Cl{-} + H{+} = AuCl4{-} + NO2 + H2O =>
Au + 3 NO3{-} + 4 Cl{-} + 6 H{+} = AuCl4{-} + 3 NO2 + 3 H2O
CuNO3 + Na2CO3 = Cu2CO3 + NaNO3 =>
2 CuNO3 + Na2CO3 = Cu2CO3 + 2 NaNO3
Zn + NaClO3 + NaOH = Na2ZnO2 + NaCl + H2O =>
3 Zn + NaClO3 + 6 NaOH = 3 Na2ZnO2 + NaCl + 3 H2O
Ca(OH)2 + Ag2S = AgOH + CaS =>
Ca(OH)2 + Ag2S = 2 AgOH + CaS
S8 + O3 = SO3 =>
S8 + 8 O3 = 8 SO3
H2(CrO4) + Na(OH) = Na2(CrO4) + H2O =>
H2(CrO4) + 2 Na(OH) = Na2(CrO4) + 2 H2O
CuS + O2 = CuSO3 =>
2 CuS + 3 O2 = 2 CuSO3
Al + HCOOH = Al(HCOO)2 + H2 =>
Al + 2 HCOOH = Al(HCOO)2 + H2
Zn + CuBr2 = ZnBr3 + Cu =>
2 Zn + 3 CuBr2 = 2 ZnBr3 + 3 Cu
C2H5COOH + K2S = C2H5COOK + H2S =>
2 C2H5COOH + K2S = 2 C2H5COOK + H2S
Na3PO4 + Ag = Ag3(PO4) + Na =>
Na3PO4 + 3 Ag = Ag3(PO4) + 3 Na
Cu + Ag(NO3)3 = Cu(NO3)2 + Ag =>
3 Cu + 2 Ag(NO3)3 = 3 Cu(NO3)2 + 2 Ag
HNO3 + NH4OH = H4OH + NHNO3 =>
HNO3 + NH4OH = H4OH + NHNO3
Mn + H2SO4 + H2O = H2 + MnSO4H2O =>
Mn + H2SO4 + H2O = H2 + MnSO4H2O
Cu + Ag2SO4 = CuSO4 + Ag =>
Cu + Ag2SO4 = CuSO4 + 2 Ag
VO + Fe2O3 = V2O5 + FeO =>
2 VO + 3 Fe2O3 = V2O5 + 6 FeO
CH3CHCHCH2Br + H2O = CH3CHCHCH2OH + HBr =>
CH3CHCHCH2Br + H2O = CH3CHCHCH2OH + HBr
NaIO3 + SIO2 + H2O = Na2HSO4 + H2SO4 + I2 =>
8 NaIO3 + 22 SIO2 + 20 H2O = 4 Na2HSO4 + 18 H2SO4 + 15 I2
H2O2 + NH3 = N2H4 + H2O =>
H2O2 + 2 NH3 = N2H4 + 2 H2O
FeCl2 + K4[Fe(CN)6] = Fe2[Fe(CN)6] + KCl =>
2 FeCl2 + K4[Fe(CN)6] = Fe2[Fe(CN)6] + 4 KCl
CO2(g) + CaSiO3(s) + H2O(l) = SiO2(s) + Ca(HCO3)2(aq) =>
2 CO2(g) + CaSiO3(s) + H2O(l) = SiO2(s) + Ca(HCO3)2(aq)
Na2HPO3 + H2O = NaOH + H3PO3 =>
Na2HPO3 + 2 H2O = 2 NaOH + H3PO3
MnO2 + KKOH + O2 = K2MnO4 + H2 =>
2 MnO2 + 2 KKOH + O2 = 2 K2MnO4 + H2
SHCO3 = S2CO3 + CO2 + H2O =>
2 SHCO3 = S2CO3 + CO2 + H2O
NH4Cl(aq) + AgNO3(aq) = AgCl(s) + NH4NO3(aq) =>
NH4Cl(aq) + AgNO3(aq) = AgCl(s) + NH4NO3(aq)
K2S + H2 = H2S + K =>
K2S + H2 = H2S + 2 K
NH4Cl + Cu = CuCl2 + NH3 + H2 =>
2 NH4Cl + Cu = CuCl2 + 2 NH3 + H2
(NH4)2SO4(aq) + NaOH(aq) = Na2SO4(aq) + NH4OH(aq) =>
(NH4)2SO4(aq) + 2 NaOH(aq) = Na2SO4(aq) + 2 NH4OH(aq)
NaH + H2O = Na(OH)2 + H2 =>
2 NaH + 4 H2O = 2 Na(OH)2 + 3 H2
Cobalt(III)sulfite + Potassium = Potassiumsulfite + Cobalt =>
Co2(SO3)3 + 6 K = 3 K2SO3 + 2 Co
CuS + SiO3 = CuSO4 + SiO2 =>
CuS + 4 SiO3 = CuSO4 + 4 SiO2
AlCl3 + Mn(OH)2 = MnCl2 + Al(OH)3 =>
2 AlCl3 + 3 Mn(OH)2 = 3 MnCl2 + 2 Al(OH)3
AlCl4 + (BH4)2CO3 = Al(CO3)2 + BH4Cl =>
AlCl4 + 2(BH4)2CO3 = Al(CO3)2 + 4 BH4Cl
C3H5CH3 + O2 = CO2 + H2O =>
C3H5CH3 + 6 O2 = 4 CO2 + 4 H2O
Mg + HC1 = H2 + MgC12 =>
Mg + 12 HC1 = 6 H2 + MgC12
(b)C2H4(g) + O2(g) = CO2(g) + H2O(g) =>
(b)C2H4(g) + 3 O2(g) = 2 CO2(g) + 2 H2O(g)
Sn{2+} + Tl{+3} = Sn{4+} + Tl{+} =>
Sn{2+} + Tl{+3} = Sn{4+} + Tl{+}
(CH3)2CO + HO2 = CO2 + H2O =>
3(CH3)2CO + 16 HO2 = 9 CO2 + 17 H2O
Cu(No3)2 + BaCl2 = CuCl2 + Ba(No3)2 =>
Cu(No3)2 + BaCl2 = CuCl2 + Ba(No3)2
SeCl5 + O2 = SeO2 + Cl2 =>
2 SeCl5 + 2 O2 = 2 SeO2 + 5 Cl2
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