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2 VOSO4 + 2 KI + 2 H2SO4 = V2(SO4)3 + K2SO4 + I2 + 2 H2O
Sc(s) + HCl(aq) = ScCl3(aq) + H2 =>
2 Sc(s) + 6 HCl(aq) = 2 ScCl3(aq) + 3 H2
CH3CH2CH2COOCH2CH2CH3 + KOH = CH3CH2CH2COOK + CH3CH(OH)CH3 =>
CH3CH2CH2COOCH2CH2CH3 + KOH = CH3CH2CH2COOK + CH3CH(OH)CH3
NO2{-} + BrO3{-} + H{+} = Br2 + NO3{-} + H2O =>
5 NO2{-} + 2 BrO3{-} + 2 H{+} = Br2 + 5 NO3{-} + H2O
Al2S3 + HCl = AlCl3 + H2 + S =>
Al2S3 + 6 HCl = 2 AlCl3 + 3 H2 + 3 S
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
NH3 + Li(OH) = Li3N + H2O =>
NH3 + 3 Li(OH) = Li3N + 3 H2O
Fe(NO3)3 + KI + CCl4 = Fe(NO3)2 + CI4 + KNO3 + Cl =>
4 Fe(NO3)3 + 4 KI + CCl4 = 4 Fe(NO3)2 + CI4 + 4 KNO3 + 4 Cl
HC8H4O4{-} + OH{-} = C8H4O4{2-}{-} + H2O =>
HC8H4O4{-} + OH{-} = C8H4O4{2-}{-} + H2O
CaCO3 = CO2CaO =>
CaCO3 = CO2CaO
Ta + K2CrO4 + H2SO4 = Ta2(SO4)5 + K2SO4 + Cr2(SO4)3 + H2O =>
6 Ta + 10 K2CrO4 + 40 H2SO4 = 3 Ta2(SO4)5 + 10 K2SO4 + 5 Cr2(SO4)3 + 40 H2O
Na2HPO4 = Na4 + P2O7 + H2O =>
2 Na2HPO4 = Na4 + P2O7 + H2O
PbCrO4 + Na3PO4 = Pb3(PO4)2 + Na2CrO4 =>
3 PbCrO4 + 2 Na3PO4 = Pb3(PO4)2 + 3 Na2CrO4
Ag + HNO3 = Ag(NO3) + NO + H20O =>
39 Ag + 40 HNO3 = 39 Ag(NO3) + NO + 2 H20O
CuI + HNO3 = Cu(NO3)2 + HIO3 + NO + H2O =>
3 CuI + 13 HNO3 = 3 Cu(NO3)2 + 3 HIO3 + 7 NO + 5 H2O
Cu + MgCO3 = CuCO3Mg =>
Cu + MgCO3 = CuCO3Mg
H2O2 + {-} = OH{-} =>
H2O2 + 2e = 2 OH{-}
Re2O7 = ReO3 + O2 =>
2 Re2O7 = 4 ReO3 + O2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Te + H2O = TeO + H2 =>
Te + H2O = TeO + H2
HI + Br2 + H2O = HIO3 + HBr =>
HI + 3 Br2 + 3 H2O = HIO3 + 6 HBr
Mn2O3 + H2SO4 = MnSO4 + MnO2 + H2O =>
Mn2O3 + H2SO4 = MnSO4 + MnO2 + H2O
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
Cr2O7 + SO3 = Cr3 + SO4 =>
3 Cr2O7 + 21 SO3 = 2 Cr3 + 21 SO4
C4H9Br + KOH = C3H6 + KBr + H2O =>
3 C4H9Br + 3 KOH = 4 C3H6 + 3 KBr + 3 H2O
Fe2(SO4)3 + Ca(oh)2 = Fe(oh)3 + CaSO4 =>
6 Fe2(SO4)3 + 9 Ca(oh)2 = 4 Fe(oh)3 + 18 CaSO4
FeCO3(s) + H2CO3(aq) = Fe(HCO3)2(s) =>
FeCO3(s) + H2CO3(aq) = Fe(HCO3)2(s)
Rb[Al(OH)4] + HCl = AlCl3 + RbCl + H2O =>
Rb[Al(OH)4] + 4 HCl = AlCl3 + RbCl + 4 H2O
Cl + O2 + H2O = HClO =>
4 Cl + O2 + 2 H2O = 4 HClO
MgSO4 + NaOH = Mg(OH)2Na2SO4 =>
MgSO4 + 2 NaOH = Mg(OH)2Na2SO4
Ag2SO4 + KNO3 = K2SO4 + AgNO3 =>
Ag2SO4 + 2 KNO3 = K2SO4 + 2 AgNO3
ZnCO3 + K2S = ZnS + K2CO3 =>
ZnCO3 + K2S = ZnS + K2CO3
Pb(CH3CO2)2 + KCl = PbCl2 + KCH3CO2 =>
Pb(CH3CO2)2 + 2 KCl = PbCl2 + 2 KCH3CO2
ZnCO3 + K2S = ZnS + K2CO3 =>
ZnCO3 + K2S = ZnS + K2CO3
HN(CH2)5CO + O2 = N2 + CO3 + H2O =>
4 HN(CH2)5CO + 45 O2 = 2 N2 + 24 CO3 + 22 H2O
Zn(OH)2(s) + CH3COOH = Zn(CH3COO)2 + H2O =>
Zn(OH)2(s) + 2 CH3COOH = Zn(CH3COO)2 + 2 H2O
HMnO4 + NO = HNO3 + MnO2 =>
HMnO4 + NO = HNO3 + MnO2
HNO2 + HI = NO + I2 + H2O =>
2 HNO2 + 2 HI = 2 NO + I2 + 2 H2O
Cu + MgCO3 = CuCO3Mg =>
Cu + MgCO3 = CuCO3Mg
Al2(SO4)3 + NiCl2 = Al2Cl2 + Ni(SO4)3 =>
Al2(SO4)3 + NiCl2 = Al2Cl2 + Ni(SO4)3
Fe + Sn + H2O = FeO + HSn =>
Fe + 2 Sn + H2O = FeO + 2 HSn
K4Fe6 + KMnO4 + H2SO4 = K5Fe6O8H2SMn =>
K4Fe6 + KMnO4 + H2SO4 = K5Fe6O8H2SMn
C2H6O + Cr2O7{2-} + H{+} = C2H4O2 + Cr{3+} + H2O =>
3 C2H6O + 2 Cr2O7{2-} + 16 H{+} = 3 C2H4O2 + 4 Cr{3+} + 11 H2O
H2 + SnCO3 = CO2 + H2O + Sn =>
H2 + SnCO3 = CO2 + H2O + Sn
SC + HBr = SCBr3 + H2 =>
2 SC + 6 HBr = 2 SCBr3 + 3 H2
FeS2 + Na2O2 = Na2FeO4 + Na2O + Na2SO4 =>
FeS2 + 9 Na2O2 = Na2FeO4 + 6 Na2O + 2 Na2SO4
Ca(HCO3)2(aq) + HBr(aq) = CaBr2 + H2O + CO2 =>
Ca(HCO3)2(aq) + 2 HBr(aq) = CaBr2 + 2 H2O + 2 CO2
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Mg(NO3)2 + NO2 + H2O = Mg + HNO3 =>
Mg(NO3)2 + 2 NO2 + 2 H2O = Mg + 4 HNO3
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