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H2SO3H2SO3 + 2 Ca(OH)2 = 2 CaSO3 + 4 H2O
Au + KCN + H2O + O2 = K(Au(CN)2) + KOH =>
4 Au + 8 KCN + 2 H2O + O2 = 4 K(Au(CN)2) + 4 KOH
IO2 + OH{-} = IO3{-} + H2O + e =>
IO2 + 2 OH{-} = IO3{-} + H2O + e
N2H8CO3 + HNO3 = NH4NO3 + CO2 + H2O =>
N2H8CO3 + 2 HNO3 = 2 NH4NO3 + CO2 + H2O
Zn + H2SO4(konc) = ZnSO4 + S + H2O =>
3 Zn + 4 H2SO4(konc) = 3 ZnSO4 + S + 4 H2O
C7H6O2 + NaOH = NaC6H5CO2 + H2O =>
C7H6O2 + NaOH = NaC6H5CO2 + H2O
Sb{3+} + H2 = Sb{2+} + H{+} =>
2 Sb{3+} + H2 = 2 Sb{2+} + 2 H{+}
SO4 + Fe = SO3 + FeO =>
SO4 + Fe = SO3 + FeO
NaHCO3 + C3H4(OH)(COOH)3 = C3H4(OH)(COONa)3 + CO2 + H2O =>
3 NaHCO3 + C3H4(OH)(COOH)3 = C3H4(OH)(COONa)3 + 3 CO2 + 3 H2O
FeO + NaOH + HClO + H2O = Fe(OH)3 + NaCl =>
2 FeO + NaOH + HClO + 2 H2O = 2 Fe(OH)3 + NaCl
ABr2 = A + Br2 =>
ABr2 = A + Br2
CuSO4 + Na2CO3 + H2O = Cu2(OH)2CO3 + CO2 + Na2SO4 =>
2 CuSO4 + 2 Na2CO3 + H2O = Cu2(OH)2CO3 + CO2 + 2 Na2SO4
N2 + O2 + H2O = NH4(NO3) =>
2 N2 + O2 + 4 H2O = 2 NH4(NO3)
Na2S(aq) + HNO3(aq) = H2S(s) + NaNO3(aq) =>
Na2S(aq) + 2 HNO3(aq) = H2S(s) + 2 NaNO3(aq)
Al2O3(s) + CO2(g) + H2O(g) = Al(HCO3)3(s) =>
Al2O3(s) + 6 CO2(g) + 3 H2O(g) = 2 Al(HCO3)3(s)
CH4 + O2 = CH3OH =>
2 CH4 + O2 = 2 CH3OH
N*N + H*H = N*H*H*H =>
N*N + 3 H*H = 2 N*H*H*H
AB + CF = AF + BC =>
AB + CF = AF + BC
HBr + NO2 = NO + Br2 + H2O =>
2 HBr + NO2 = NO + Br2 + H2O
Na2SiO3 + H2O = SiO2 + NaOH =>
Na2SiO3 + H2O = SiO2 + 2 NaOH
Ka2CO3 + H2SO4 = Ka2SO4 + CO2 + H2O =>
Ka2CO3 + H2SO4 = Ka2SO4 + CO2 + H2O
[Ag(NH3)2]ClHNO3 = HCl[Ag(NH3)2]NO3 =>
[Ag(NH3)2]ClHNO3 = HCl[Ag(NH3)2]NO3
NH4Br + Mg(OH)2 = MgBr2 + NH3 + H2O =>
2 NH4Br + Mg(OH)2 = MgBr2 + 2 NH3 + 2 H2O
FeO = Fe + O2 =>
2 FeO = 2 Fe + O2
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
KI + Cl2 = KCl + I2 =>
2 KI + Cl2 = 2 KCl + I2
H2CO3 + HCl = COCl2 + H2O =>
H2CO3 + 2 HCl = COCl2 + 2 H2O
SnCl2 + NaOH = SnO*H2O + NaCl =>
SnCl2 + 2 NaOH = SnO*H2O + 2 NaCl
CH3NH3{+} + H2O = CH2NH3 + H3O{+} =>
CH3NH3{+} + H2O = CH2NH3 + H3O{+}
FeO + O2 = Fe2O4 =>
2 FeO + O2 = Fe2O4
Sn{+2} + F{-} = SnF2 =>
Sn{+2} + 2 F{-} = SnF2
Na2CrO4 + NaIO4 + NaCl + H2O = CrI3 + Cl2 + NaOH =>
2 Na2CrO4 + 6 NaIO4 + 54 NaCl + 32 H2O = 2 CrI3 + 27 Cl2 + 64 NaOH
HOH + Na = NaOH + H2 =>
2 HOH + 2 Na = 2 NaOH + H2
Li2S + AlCl3 = Al2S3 + LiCl =>
3 Li2S + 2 AlCl3 = Al2S3 + 6 LiCl
Cu(CH3COO)2 + KCl = CuCl2 + C2H3KO2 =>
Cu(CH3COO)2 + 2 KCl = CuCl2 + 2 C2H3KO2
Ba(OH)2 + MgSO4 = Mg(OH)2 + BaSO4(ppt) =>
Ba(OH)2 + MgSO4 = Mg(OH)2 + BaSO4(ppt)
XC6H5CH(OH)CH3 + Mg + CO2 + HCl = XC6H5CH(CH3)COOH + MgCl2 + H2O =>
XC6H5CH(OH)CH3 + Mg + CO2 + 2 HCl = XC6H5CH(CH3)COOH + MgCl2 + H2O
CH3COOH + CH3CH3CH2OH = CH3COOCH2CH2CH3 + H2O =>
17 CH3COOH + 12 CH3CH3CH2OH = 14 CH3COOCH2CH2CH3 + 18 H2O
C7H6O2 + O2 = CO2 + H2O =>
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O
Mg(NO3)2 + Cu3(PO4)2 = Cu(NO3)2 + Mg3(PO4)2 =>
3 Mg(NO3)2 + Cu3(PO4)2 = 3 Cu(NO3)2 + Mg3(PO4)2
Co2(SO4)3 + (NH4)2S = Co2S3(s) + (NH4)2SO4 =>
Co2(SO4)3 + 3(NH4)2S = Co2S3(s) + 3(NH4)2SO4
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
K2SO4NaOH = NaSO4K2OH =>
K2SO4NaOH = NaSO4K2OH
Fe + O2 = Fe3O3 =>
6 Fe + 3 O2 = 2 Fe3O3
ZrO2 + CH3COOH = Zr(OH)2(C2H3O2)2 =>
ZrO2 + 2 CH3COOH = Zr(OH)2(C2H3O2)2
C4H10 + O2 = H2O + CO2* =>
2 C4H10 + 13 O2 = 10 H2O + 8 CO2*
CH3COCl + C2H5OH = C4H8O2 + HCl =>
CH3COCl + C2H5OH = C4H8O2 + HCl
Cr(OH)3 + HClO4 = Cr(ClO4)3 + H2O =>
Cr(OH)3 + 3 HClO4 = Cr(ClO4)3 + 3 H2O
NH4 + NO = N + H2O =>
NH4 + 2 NO = 3 N + 2 H2O
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