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2 Zn + NO2{-} + OH{-} + 5 H2O = 2[Zn(OH)4]{-} + NH3
K2S + HCl = H2S + KCl =>
K2S + 2 HCl = H2S + 2 KCl
Pb(OH)2 + KOH = Pb(OH)4K2 =>
Pb(OH)2 + 2 KOH = Pb(OH)4K2
NH4TcO4 + H2 = Tc + H2O + N2 =>
2 NH4TcO4 + 4 H2 = 2 Tc + 8 H2O + N2
K2CrO7 + KI + H2SO4 = K2SO4 + Cr2(SO4)3 + I2 + H2O =>
2 K2CrO7 + 18 KI + 14 H2SO4 = 11 K2SO4 + Cr2(SO4)3 + 9 I2 + 14 H2O
FeCl3 + K2(SO4) = Fe2(SO4)3 + KCl =>
2 FeCl3 + 3 K2(SO4) = Fe2(SO4)3 + 6 KCl
Sb2O3 + NH4OH = Sb(OH)3 + (NH4)2O =>
Sb2O3 + 6 NH4OH = 2 Sb(OH)3 + 3(NH4)2O
(BiO)2(CO3) + HNO3 = Bi(NO3)3 + H2O + CO2 =>
(BiO)2(CO3) + 6 HNO3 = 2 Bi(NO3)3 + 3 H2O + CO2
Na2S2O3(aq) + I2(aq) = Na2S4O6(aq) + NaI(aq) =>
2 Na2S2O3(aq) + I2(aq) = Na2S4O6(aq) + 2 NaI(aq)
F + H2 = FH =>
2 F + H2 = 2 FH
H2 + F = HF =>
H2 + 2 F = 2 HF
SO2 + H3PO4 = PO4 + H2SOH2O =>
3 SO2 + 4 H3PO4 = 4 PO4 + 3 H2SOH2O
Pb(ClO4)2 + Al2(SO4)3 = PbSO4(s) + Al(ClO4)3 =>
3 Pb(ClO4)2 + Al2(SO4)3 = 3 PbSO4(s) + 2 Al(ClO4)3
CS2 + HBr = CBr4 + H2S =>
CS2 + 4 HBr = CBr4 + 2 H2S
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
CHF3 + O2 = CO2 + HF + F2 =>
CHF3 + O2 = CO2 + HF + F2
Fe + NO3{-} + H{+} = Fe{3+} + H2O + N2O =>
8 Fe + 6 NO3{-} + 30 H{+} = 8 Fe{3+} + 15 H2O + 3 N2O
C6H5CHO + O = C6H5COOH =>
C6H5CHO + O = C6H5COOH
H2SO4 + K(OH) = K2SO4 + H2O =>
H2SO4 + 2 K(OH) = K2SO4 + 2 H2O
NaCl + H2SO4 = NaHSO4HCl =>
NaCl + H2SO4 = NaHSO4HCl
(NH4)2SO4(aq) + Al(CN)3(aq) = NH4CN + Al2(SO4)3 =>
3(NH4)2SO4(aq) + 2 Al(CN)3(aq) = 6 NH4CN + Al2(SO4)3
CH3CH2OH + NaOH + NaHCO3 = CH3CH2OHCONa + H2O2 =>
20 CH3CH2OH + 4 NaOH + 14 NaHCO3 = 18 CH3CH2OHCONa + 15 H2O2
Mg(OH)2 + H3PO4 = MgH2 + (OH)3PO4 =>
3 Mg(OH)2 + 2 H3PO4 = 3 MgH2 + 2(OH)3PO4
Zn + HC1 = ZnC12 + H2 =>
Zn + 12 HC1 = ZnC12 + 6 H2
Ag2O + HNO3 = Ag2N2O6 + H2O =>
Ag2O + 2 HNO3 = Ag2N2O6 + H2O
KNO2 + Na2CrO4 + HNO3 = KNO3 + Cr(NO3)3 + NaNO3 + H2O =>
3 KNO2 + 2 Na2CrO4 + 10 HNO3 = 3 KNO3 + 2 Cr(NO3)3 + 4 NaNO3 + 5 H2O
LiOH + K2SO3 = Li2SO3 + KOH =>
2 LiOH + K2SO3 = Li2SO3 + 2 KOH
HNO3 + HI = NO + I2 + H2O =>
2 HNO3 + 6 HI = 2 NO + 3 I2 + 4 H2O
GeP5 + K = Ge + K3P =>
GeP5 + 15 K = Ge + 5 K3P
K3PO4(aq) + AgNO3(aq) = KNO3(aq) + Ag3PO4(s) =>
K3PO4(aq) + 3 AgNO3(aq) = 3 KNO3(aq) + Ag3PO4(s)
Al2O3 + H2SO4 = Al2(SO4)3 + H2O =>
Al2O3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O
HCOH + H2O + J2 = HJ + HCOOH =>
HCOH + H2O + J2 = 2 HJ + HCOOH
ClC6H4NO2 + NH3 = C6H6N2O2 + NH4Cl =>
ClC6H4NO2 + 2 NH3 = C6H6N2O2 + NH4Cl
ZrOCl2*8H2O + H3PO4 = Zr(HPO4)2*H2O + HCl + H2O =>
ZrOCl2*8H2O + 2 H3PO4 = Zr(HPO4)2*H2O + 2 HCl + 8 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
KAsO2 + I2 + KHCO3 = K3AsO4 + KI + CO2 + H2O =>
KAsO2 + I2 + 4 KHCO3 = K3AsO4 + 2 KI + 4 CO2 + 2 H2O
F2 + Pb4I = Pb4F2 + I2 =>
2 F2 + 2 Pb4I = 2 Pb4F2 + I2
Bi2S3 + HNO3 = BiNO33 + NO + S + H2O =>
3 Bi2S3 + 128 HNO3 = 6 BiNO33 + 122 NO + 9 S + 64 H2O
FeCl3 + K(OH) = KCl + Fe(OH)3 =>
FeCl3 + 3 K(OH) = 3 KCl + Fe(OH)3
Ba(OH)2 + KH(IO3)2 = Ba(IO3)2 + KIO3 + H2O =>
Ba(OH)2 + 2 KH(IO3)2 = Ba(IO3)2 + 2 KIO3 + 2 H2O
Ag2O + HNO3 = Ag2N2O6 + H2O =>
Ag2O + 2 HNO3 = Ag2N2O6 + H2O
C10H22 + O2 = CO2 + H2 = =>
C10H22 + 10 O2 = 10 CO2 + 11 H2
Na + ZnO = Na2O + Zn =>
2 Na + ZnO = Na2O + Zn
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
NaNO3 + FeSO4 + H2SO4 = H2O + NO + Na2SO4 + Fe2(SO4)3 =>
2 NaNO3 + 6 FeSO4 + 4 H2SO4 = 4 H2O + 2 NO + Na2SO4 + 3 Fe2(SO4)3
CH2OHCH2CH2OH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO2 + CHOCH2CHO + H2O =>
5 CH2OHCH2CH2OH + 2 K2Cr2O7 + 8 H2SO4 = 2 Cr2(SO4)3 + 2 K2SO2 + 5 CHOCH2CHO + 18 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
K(OH) + H3(PO4) = K3(PO4) + H2O =>
3 K(OH) + H3(PO4) = K3(PO4) + 3 H2O
LiOH + H2S = Li2S + H2O =>
2 LiOH + H2S = Li2S + 2 H2O
KOH + BaCl2 = Ba(OH)2 + KCl =>
2 KOH + BaCl2 = Ba(OH)2 + 2 KCl
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