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3 S02 + 4 H2O = 4 H2S + 2 SO2
H2O + K2MnO4 = MnO2 + KOH + KMnO4 =>
2 H2O + 3 K2MnO4 = MnO2 + 4 KOH + 2 KMnO4
CuSO4 + K4[Fe(CN)6] = Cu[Fe(CN)6] + K4(SO4) =>
CuSO4 + K4[Fe(CN)6] = Cu[Fe(CN)6] + K4(SO4)
Cu(s) + HNO3(aq) = Cu(NO3)2(aq) + NO2(g) + H2O(l) =>
Cu(s) + 4 HNO3(aq) = Cu(NO3)2(aq) + 2 NO2(g) + 2 H2O(l)
HF + NaOH = NaF + H2O = =>
HF + NaOH = NaF + H2O
CuCl2 + Na2SO3 + H2O = Cu2O + Na2SO4 + HCl =>
2 CuCl2 + Na2SO3 + 2 H2O = Cu2O + Na2SO4 + 4 HCl
CaSO4 = Ca + SO4 =>
CaSO4 = Ca + SO4
Ca + Fe(NO3)2 = Fe + Ca(NO3)2(aq) =>
Ca + Fe(NO3)2 = Fe + Ca(NO3)2(aq)
Pb(NO3)2 + KSCN = K(NO3) + Pb(SCN)2 =>
Pb(NO3)2 + 2 KSCN = 2 K(NO3) + Pb(SCN)2
MgCO3 + Al(NO3)3 = Mg(NO3)2 + Al2(CO3)3 =>
3 MgCO3 + 2 Al(NO3)3 = 3 Mg(NO3)2 + Al2(CO3)3
CO2 + HNaO = C(NaO)4 + H2O =>
CO2 + 4 HNaO = C(NaO)4 + 2 H2O
Pb(NO3)2 + CH3COOH = Pb(CH3COOH)2 + NO3 =>
Pb(NO3)2 + 2 CH3COOH = Pb(CH3COOH)2 + 2 NO3
Na3Cr(OH)6 + HCl = NaCl + CrCl3 + H2O =>
Na3Cr(OH)6 + 6 HCl = 3 NaCl + CrCl3 + 6 H2O
Pb + H2SO4 = H + Pb4SO4 =>
4 Pb + H2SO4 = 2 H + Pb4SO4
NO2(g) + H2O(l) = H2O3N(aq) =>
NO2(g) + H2O(l) = H2O3N(aq)
H2SO4 + NaCH3COO = NaHSO4 + CH3COOH =>
H2SO4 + NaCH3COO = NaHSO4 + CH3COOH
F + H + N = FNH =>
F + H + N = FNH
Fe + CuSO4 = SO4 + CuFe =>
Fe + CuSO4 = SO4 + CuFe
Cu3P + Na2Cr2O7 + H2SO4 = Na2SO4 + Cr2(SO4)3 + CuSO4 + H3PO4 + H2O =>
6 Cu3P + 11 Na2Cr2O7 + 62 H2SO4 = 11 Na2SO4 + 11 Cr2(SO4)3 + 18 CuSO4 + 6 H3PO4 + 53 H2O
NaCl2 + PbNO3 = NaNO3 + PbCl2 =>
NaCl2 + PbNO3 = NaNO3 + PbCl2
C5H100 + O2 = CO2 + H2O =>
C5H100 + 30 O2 = 5 CO2 + 50 H2O
NaClO + FeCl3 = NaCl + Cl2 + FeO =>
2 NaClO + 2 FeCl3 = 2 NaCl + 3 Cl2 + 2 FeO
C6H4(OH) + (CH3CO)2O = C9H4O4 + CH3 =>
45 C6H4(OH) + 29(CH3CO)2O = 33 C9H4O4 + 89 CH3
Ba(NO3)2 + Na3SO4 = NaNO3 + Ba3(SO4)2 =>
3 Ba(NO3)2 + 2 Na3SO4 = 6 NaNO3 + Ba3(SO4)2
C18HO2 + O2 = CO2 + H2O =>
4 C18HO2 + 69 O2 = 72 CO2 + 2 H2O
C4H6O6 + CaCl2 = CaC4H4O6 + HCl =>
C4H6O6 + CaCl2 = CaC4H4O6 + 2 HCl
BaCrO4 + H2SO4 = H2CrO4 + BaSO4 =>
BaCrO4 + H2SO4 = H2CrO4 + BaSO4
Na2CO3 + C2H4O2 = NaCH3COO + CO2 + H2O =>
Na2CO3 + 2 C2H4O2 = 2 NaCH3COO + CO2 + H2O
PbO2 + H2SO4 + Mn = PbSO4 + MnO + H2O =>
PbO2 + H2SO4 + Mn = PbSO4 + MnO + H2O
Ni(s) + S2(s) = NiS(s) =>
2 Ni(s) + S2(s) = 2 NiS(s)
BaO + ZnO + BaF2 + B2O3 = BaZnBO3F =>
BaO + 2 ZnO + BaF2 + B2O3 = 2 BaZnBO3F
Bi(OH)3 + Na2SnO2 = Bi + Na2SnO3 + H2O =>
2 Bi(OH)3 + 3 Na2SnO2 = 2 Bi + 3 Na2SnO3 + 3 H2O
(NH4)2SO4 + H2SO4 = (NH4)2(SO4)2 + H2 =>
(NH4)2SO4 + H2SO4 = (NH4)2(SO4)2 + H2
MnSO4 + O2 + Na2CO3 = Na2SO4 + CO2 + Na2MnO4 =>
MnSO4 + O2 + 2 Na2CO3 = Na2SO4 + 2 CO2 + Na2MnO4
BaO4(s) + H2O(l) = Ba(OH)2(aq) + O2(g) =>
2 BaO4(s) + 2 H2O(l) = 2 Ba(OH)2(aq) + 3 O2(g)
aluminum + CuCl2 = copper + AlCl3 =>
2 Al + 3 CuCl2 = 3 Cu + 2 AlCl3
CH2O + NO3{-} = N2 + HCO3{-} + H2O + CO2 =>
5 CH2O + 4 NO3{-} = 2 N2 + 4 HCO3{-} + 3 H2O + CO2
(CH3)2(NNH2) + N2O4 = H2O + N2 + CO2 =>
(CH3)2(NNH2) + 2 N2O4 = 4 H2O + 3 N2 + 2 CO2
Na[Al(OH)4] = Al(OH)3 + NaOH =>
Na[Al(OH)4] = Al(OH)3 + NaOH
Zn(NO3)2 + K2CO3 = ZnCO3 + KNO3 =>
Zn(NO3)2 + K2CO3 = ZnCO3 + 2 KNO3
Mg + H2SO4 = H2O + HS + MgSO4 =>
7 Mg + 9 H2SO4 = 8 H2O + 2 HS + 7 MgSO4
Na3C6H5O7 + CaCl2 = Ca3(C6H5O7)2 + NaCl =>
2 Na3C6H5O7 + 3 CaCl2 = Ca3(C6H5O7)2 + 6 NaCl
NaC2H3N3O2Cl + NH4NO3 = C2H6N4O2 + NaCl + HNO3 =>
NaC2H3N3O2Cl + NH4NO3 = C2H6N4O2 + NaCl + HNO3
K2Cr2O7 + H2SO4 + C2H6 = K2SO4 + Cr2(SO4)3 + H2O + CO2 =>
7 K2Cr2O7 + 28 H2SO4 + 3 C2H6 = 7 K2SO4 + 7 Cr2(SO4)3 + 37 H2O + 6 CO2
BaCrO4 + PbCl2 = PbCrO4 + BaCl2 =>
BaCrO4 + PbCl2 = PbCrO4 + BaCl2
Fe2(CO3) + H2SO4 = Fe2SO4 + H2O + CO2 =>
Fe2(CO3) + H2SO4 = Fe2SO4 + H2O + CO2
La200O300 + Ni100O100 + Fe200O300 + Ca100C100O300 = La90Ca10Fe80Ni20O300 + C100 + O200 =>
18 La200O300 + 8 Ni100O100 + 16 Fe200O300 + 4 Ca100C100O300 = 40 La90Ca10Fe80Ni20O300 + 4 C100 + O200
N2Cl4 + CH4 = CCl4 + H6N3 =>
3 N2Cl4 + 3 CH4 = 3 CCl4 + 2 H6N3
NaHCO3 + SrBr2 = SrCO3 + HBr + NaBr =>
NaHCO3 + SrBr2 = SrCO3 + HBr + NaBr
CsOH + FeO3 = CsO + Fe(OH)3 =>
3 CsOH + FeO3 = 3 CsO + Fe(OH)3
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