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8 NaI + 5 H2SO4 = 4 I2 + 4 Na2(SO4) + H2S + 4 H2O
CO2 + S8 = CS2 + SO6 =>
24 CO2 + 7 S8 = 24 CS2 + 8 SO6
(CH3CH2)4Pb + O2 = CO2 + H2O + Pb =>
(CH3CH2)4Pb + 13 O2 = 8 CO2 + 10 H2O + Pb
HCN(g) + O2(g) = N2 + CO2(g) + H2O(l) =>
4 HCN(g) + 5 O2(g) = 2 N2 + 4 CO2(g) + 2 H2O(l)
CH4(s) + O2(l) = CO(g) + H2O(l) =>
2 CH4(s) + 3 O2(l) = 2 CO(g) + 4 H2O(l)
Mg(HCO3)2 + NaCl = Na(HCO3) + MgCl2 =>
Mg(HCO3)2 + 2 NaCl = 2 Na(HCO3) + MgCl2
Fe + Cu(NO3) = Fe(NO3)2 + Cu =>
Fe + 2 Cu(NO3) = Fe(NO3)2 + 2 Cu
K2CO3 + NaHSO4 = K2SO4 + Na2CO3 + H2O + CO2 =>
2 K2CO3 + 2 NaHSO4 = 2 K2SO4 + Na2CO3 + H2O + CO2
NaCl + AgSO4 = AgCl + NaSO4 =>
NaCl + AgSO4 = AgCl + NaSO4
Mg + H2CO3 = MgCO3 + H2 =>
Mg + H2CO3 = MgCO3 + H2
Li2CO3(s) + HCl(aq) = LiCl(aq) + H2O(l) + CO2(g) =>
Li2CO3(s) + 2 HCl(aq) = 2 LiCl(aq) + H2O(l) + CO2(g)
HC2H3O2 + NO4OH = NO4C2H3O2 + H2O =>
HC2H3O2 + NO4OH = NO4C2H3O2 + H2O
FeCl3 + NH4 = FeH4 + NCl3 =>
FeCl3 + NH4 = FeH4 + NCl3
SO2 + KMnO4 + H2O = H2SO4 + K2SO4 + MnSO4 =>
5 SO2 + 2 KMnO4 + 2 H2O = 2 H2SO4 + K2SO4 + 2 MnSO4
MnO2 + SO2 = Mn + SO3 =>
MnO2 + 2 SO2 = Mn + 2 SO3
Cu + F2 = CuF =>
2 Cu + F2 = 2 CuF
Si3N4 + SrCl2 + Li3N = Sr2Si5N8 + LiCl =>
5 Si3N4 + 6 SrCl2 + 4 Li3N = 3 Sr2Si5N8 + 12 LiCl
Co3O4 + Al = Co3 + Al2O3 =>
3 Co3O4 + 8 Al = 3 Co3 + 4 Al2O3
Cr(OH)2 + Ba(OH)2 = BaCrO2 + H2O =>
Cr(OH)2 + Ba(OH)2 = BaCrO2 + 2 H2O
K2SO3 + AlCl3 + H2O = KCl + Al(OH)3 + SO2 =>
3 K2SO3 + 2 AlCl3 + 3 H2O = 6 KCl + 2 Al(OH)3 + 3 SO2
Cu2(SO4)2 + Fe = Fe3(SO4)2 + Cu =>
Cu2(SO4)2 + 3 Fe = Fe3(SO4)2 + 2 Cu
Na2S2O3 + HCl = NaCl + SO2 + S + H2O =>
Na2S2O3 + 2 HCl = 2 NaCl + SO2 + S + H2O
HNo3 + Ca3(PO4)2 = Ca(No3)2 + H3PO4 =>
6 HNo3 + Ca3(PO4)2 = 3 Ca(No3)2 + 2 H3PO4
CaCl + LiNO3 = LiCl + CaNO3 =>
CaCl + LiNO3 = LiCl + CaNO3
Ba(NO3)2 + CuSO4 = Cu(NO3)2 + BaSO4 =>
Ba(NO3)2 + CuSO4 = Cu(NO3)2 + BaSO4
H2NCH2COOH + P2O5 = H2NCH2COOOCH2CNH2 + H3PO4 =>
6 H2NCH2COOH + P2O5 = 3 H2NCH2COOOCH2CNH2 + 2 H3PO4
(Ag(NH3)2)OH + H2S = Ag2S + NH4HS + H2O =>
2(Ag(NH3)2)OH + 5 H2S = Ag2S + 4 NH4HS + 2 H2O
Hg(MnO4)2 + Fe4(Fe(CN)6)3 = Hg2Fe(CN)6 + Fe(MnO4)3 =>
6 Hg(MnO4)2 + Fe4(Fe(CN)6)3 = 3 Hg2Fe(CN)6 + 4 Fe(MnO4)3
Pb + NaOH + HOH = Na[Pb(OH)2] + H =>
Pb + NaOH + HOH = Na[Pb(OH)2] + H
CuS + NH3 = Cu + HS + N =>
3 CuS + NH3 = 3 Cu + 3 HS + N
Mg(s) + H2O(l) = MgOH(aq) + H2(g) =>
2 Mg(s) + 2 H2O(l) = 2 MgOH(aq) + H2(g)
H2O + NaI + Br2 = HBr + NaIO3(acidicsolution) =>
3 H2O + NaI + 3 Br2 = 6 HBr + NaIO3(acidicsolution)
Ag2O + C = Ag + CO2 =>
2 Ag2O + C = 4 Ag + CO2
NH4OH + H2O = NH5 + OH =>
NH4OH + H2O = NH5 + 2 OH
Ca(s)S(s) = CaS(s) =>
Ca(s)S(s) = CaS(s)
CrBr3 + H2O = Cr2O3 + HBr =>
2 CrBr3 + 3 H2O = Cr2O3 + 6 HBr
H2O + CH4 = CH6O =>
H2O + CH4 = CH6O
CaO + H2O = HCaO + O2 =>
4 CaO + 2 H2O = 4 HCaO + O2
CaHPo4 + H2O = CaO + H3Po4 =>
CaHPo4 + H2O = CaO + H3Po4
Li2CO3 + CH3COOH = H2O + CO2 + LiC2H3O2 =>
Li2CO3 + 2 CH3COOH = H2O + CO2 + 2 LiC2H3O2
Mn2 + S2O8 + H2O = MnO4 + HSO4 =>
Mn2 + 8 S2O8 + 8 H2O = 2 MnO4 + 16 HSO4
CaO + CH3COOH = Ca(CH3COO)2 + H2O =>
CaO + 2 CH3COOH = Ca(CH3COO)2 + H2O
Mg + H2S = H2 + MgS =>
Mg + H2S = H2 + MgS
CH3COOH + Na2CO3 = CH3COONa + H2O + CO2 =>
2 CH3COOH + Na2CO3 = 2 CH3COONa + H2O + CO2
C4H5Cl + H2 = C2H4 + HCl =>
C4H5Cl + 2 H2 = 2 C2H4 + HCl
MgCl2 + Li2(CO3) = Mg(CO3) + Li(Cl) =>
MgCl2 + Li2(CO3) = Mg(CO3) + 2 Li(Cl)
HCl + Na = NaH + Cl =>
HCl + Na = NaH + Cl
Si + Nb2O5 = SiO + Nb5Si3 =>
31 Si + 5 Nb2O5 = 25 SiO + 2 Nb5Si3
CrCl3 + Na2S = Cr2S3 + NaCl =>
2 CrCl3 + 3 Na2S = Cr2S3 + 6 NaCl
Fe + K4[Fe(CN)6] = Fe4[Fe(CN)6] + K =>
4 Fe + K4[Fe(CN)6] = Fe4[Fe(CN)6] + 4 K
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