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2 Cr + 21 H2O = Cr2O7 + 14 H3O
Zn(CH3COO)2*2H2O + NiCl2*6H2O + FeCl2*4H2O + NaOH = NiZnFe2O4 + (CH3COO)Na + H2O + NaCl =>
Zn(CH3COO)2*2H2O + NiCl2*6H2O + 2 FeCl2*4H2O + 8 NaOH = NiZnFe2O4 + 2(CH3COO)Na + 20 H2O + 6 NaCl
Si + Gd(NO3)3 = SiO2 + N2 + Gd2O3 =>
15 Si + 4 Gd(NO3)3 = 15 SiO2 + 6 N2 + 2 Gd2O3
BaS + HCl = BaCl2 + H2S =>
BaS + 2 HCl = BaCl2 + H2S
Pb + Br = PbBr2 =>
Pb + 2 Br = PbBr2
Co{+} + O{-2} = Co2O1 =>
2 Co{+} + O{-2} = Co2O1
CH2(COOH)2 + CH3OH = CH2OH + (COOH)2CH3 =>
CH2(COOH)2 + CH3OH = CH2OH + (COOH)2CH3
Ca(OH)2CO2 = CaCO3 + H2O =>
Ca(OH)2CO2 = CaCO3 + H2O
AuCl3 + ClCu = CuCl2 + Au =>
AuCl3 + 3 ClCu = 3 CuCl2 + Au
Cl2 + NaOH = NaCl + NaClO3 + H0H =>
3 Cl2 + 6 NaOH = 4 NaCl + 2 NaClO3 + 3 H0H
CH3COOH + C3H7NH2 = CH3COC3H7NH + H2O =>
CH3COOH + C3H7NH2 = CH3COC3H7NH + H2O
CuSO4 + NaOH = Cu(OH) + NaSO4 =>
CuSO4 + NaOH = Cu(OH) + NaSO4
Co{+} + O{-2} = Co2O1 =>
2 Co{+} + O{-2} = Co2O1
Fe2S3 + O2 = Fe2O3 + SO4 =>
2 Fe2S3 + 15 O2 = 2 Fe2O3 + 6 SO4
Pb + H3PO4 = H2 + Pb3(PO4)2 =>
3 Pb + 2 H3PO4 = 3 H2 + Pb3(PO4)2
CoNH3 = CoN(H)3 =>
CoNH3 = CoN(H)3
Ca(ClO)2 + CaS2 + H2O = Ca(OH)2 + CaCl2 + H2SO4 =>
7 Ca(ClO)2 + 2 CaS2 + 6 H2O = 2 Ca(OH)2 + 7 CaCl2 + 4 H2SO4
AgCl + NH4OH = AgNH3 + Cl2 + H2O =>
2 AgCl + 2 NH4OH = 2 AgNH3 + Cl2 + 2 H2O
C16H18N3SCl + H2O2 = CO2 + H2O + HNO3 + H2SO4 + HCl =>
C16H18N3SCl + 51 H2O2 = 16 CO2 + 57 H2O + 3 HNO3 + H2SO4 + HCl
Ni + KCN = NiCN + K =>
Ni + KCN = NiCN + K
HCl + NiSO4 = NiCl2 + H2SO4 =>
2 HCl + NiSO4 = NiCl2 + H2SO4
Cu(NO3)2 + HNO3 = Cu(NO3)5 + H2 =>
2 Cu(NO3)2 + 6 HNO3 = 2 Cu(NO3)5 + 3 H2
Mn(SO4) = MnO + SO3 =>
Mn(SO4) = MnO + SO3
Bi(NO3)3 + NaSn(OH)3 + NaOH = Bi + Na2Sn(OH)6 + NaNO3 =>
2 Bi(NO3)3 + 3 NaSn(OH)3 + 9 NaOH = 2 Bi + 3 Na2Sn(OH)6 + 6 NaNO3
CaO + Al(OH)3 = AlCa(OH)3 + O =>
CaO + Al(OH)3 = AlCa(OH)3 + O
SiF4(s) + H2O(l) = H4SiO4(s) + H2SiF6(s) =>
3 SiF4(s) + 4 H2O(l) = H4SiO4(s) + 2 H2SiF6(s)
Sn + KCl = SnCl4 + K =>
Sn + 4 KCl = SnCl4 + 4 K
Br + OH{-} = Br{-} + BrO{-} + H2O =>
2 Br + 2 OH{-} = Br{-} + BrO{-} + H2O
FeCl3 + C2H5OH = FeCl2 + CH3CHO + HCl8 =>
16 FeCl3 + C2H5OH = 16 FeCl2 + CH3CHO + 2 HCl8
(NH4)3PO4 + MnCl3 = (NH4)Cl + MnPO4 =>
(NH4)3PO4 + MnCl3 = 3(NH4)Cl + MnPO4
CaSO4 + C2H4O2 = C4H6CaO4 + H2SO4 =>
CaSO4 + 2 C2H4O2 = C4H6CaO4 + H2SO4
Na2Cl2 + H2SO4 = Na2SO4 + Cl2H2 =>
Na2Cl2 + H2SO4 = Na2SO4 + Cl2H2
H2O2(aq) + KOH(aq) + K3[Fe(CN)6](aq) = K4[Fe(CN)6]H2O + O2 =>
H2O2(aq) + 2 KOH(aq) + 2 K3[Fe(CN)6](aq) = 2 K4[Fe(CN)6]H2O + O2
C3H8 + CO = C + H2O =>
C3H8 + 4 CO = 7 C + 4 H2O
NH4 + CoCl2 = Co + NH4Cl =>
2 NH4 + CoCl2 = Co + 2 NH4Cl
Co(OH)2 + CH3COOH = (CH3COO)2Co + H2O =>
Co(OH)2 + 2 CH3COOH = (CH3COO)2Co + 2 H2O
MgBr2 + (NH4)2SO4 = MgSO4 + (NH4)Br =>
MgBr2 + (NH4)2SO4 = MgSO4 + 2(NH4)Br
Ca(s) + NH3(g) = CaH2(s) + Ca3N2(g) =>
6 Ca(s) + 2 NH3(g) = 3 CaH2(s) + Ca3N2(g)
(CaOH)2CO3 + HCl = CaCl2 + CO2 + H2O =>
(CaOH)2CO3 + 4 HCl = 2 CaCl2 + CO2 + 3 H2O
Al2O3 + Ba = BaO + Al =>
Al2O3 + 3 Ba = 3 BaO + 2 Al
HI + S = H2S + S2I2 =>
2 HI + 3 S = H2S + S2I2
MgCl2 + Na2S = MgS + NaCl =>
MgCl2 + Na2S = MgS + 2 NaCl
Ca(OCl)Cl + NH3 = CaCl2 + N2 + H2O =>
3 Ca(OCl)Cl + 2 NH3 = 3 CaCl2 + N2 + 3 H2O
KMnO4 + H2SO4 = H2O + K2SO4 + MnSO4 + O56 =>
112 KMnO4 + 168 H2SO4 = 168 H2O + 56 K2SO4 + 112 MnSO4 + 5 O56
Mg(OH)2 + C2H5OH = Mg(OH)4 + C2H5 =>
Mg(OH)2 + 2 C2H5OH = Mg(OH)4 + 2 C2H5
CuO2 + H2SO4 = CuSO4 + HO =>
CuO2 + H2SO4 = CuSO4 + 2 HO
Sb2S3(s) + O2(g) = Sb243(s) + SO2(g) =>
243 Sb2S3(s) + 729 O2(g) = 2 Sb243(s) + 729 SO2(g)
C5H10 + KMnO4 + H2O = C5H10O2 + KOH + MnO2 =>
3 C5H10 + 4 KMnO4 + 2 H2O = 3 C5H10O2 + 4 KOH + 4 MnO2
C4H10O2 = C4H6O2 + H2 =>
C4H10O2 = C4H6O2 + 2 H2
FeSO4 + K2CO3 = FeCO3 + K2SO4 =>
FeSO4 + K2CO3 = FeCO3 + K2SO4
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