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4 FeCuS2 + 13 O2 = 2 Fe2O3 + 8 SO2 + 4 CuO
MnI7 + Br2 = MnBr7 + I2 =>
2 MnI7 + 7 Br2 = 2 MnBr7 + 7 I2
KMnO4 + H2S + H{+} = Mn{2+} + SO2 + K{+} + H2O =>
6 KMnO4 + 5 H2S + 18 H{+} = 6 Mn{2+} + 5 SO2 + 6 K{+} + 14 H2O
CH4O = C2H4 + H2O =>
2 CH4O = C2H4 + 2 H2O
Zn(NO3)2 + CuCl = ZnCl2 + CuNO3 =>
Zn(NO3)2 + 2 CuCl = ZnCl2 + 2 CuNO3
Cl2 + NaOH = NaCl + NaClO3 + H2O =>
3 Cl2 + 6 NaOH = 5 NaCl + NaClO3 + 3 H2O
S2O3{2-} + MnO4{-} + H{+} = Mn{2+} + SO4{2-} + H2O =>
5 S2O3{2-} + 8 MnO4{-} + 14 H{+} = 8 Mn{2+} + 10 SO4{2-} + 7 H2O
C2H5COOH + NH3 = (C2H5COO)NH3 + H2 =>
2 C2H5COOH + 2 NH3 = 2(C2H5COO)NH3 + H2
HNO3(ac) + C(s) = CO2 + NO2(g) + H2O(l) =>
4 HNO3(ac) + C(s) = CO2 + 4 NO2(g) + 2 H2O(l)
Pb(SO4)2 + AgCl = Ag2SO4 + PbCl4 =>
Pb(SO4)2 + 4 AgCl = 2 Ag2SO4 + PbCl4
Na[Cr(OH)4] + H2O2 + NaOH = Na2CrO4 + H2O =>
2 Na[Cr(OH)4] + 3 H2O2 + 2 NaOH = 2 Na2CrO4 + 8 H2O
C = C02 =>
2 C = C02
BaO + P2O5 = Ba3(PO4)2 =>
3 BaO + P2O5 = Ba3(PO4)2
C6H11Cl + NH3 = C6H11NH2 + HCl =>
C6H11Cl + NH3 = C6H11NH2 + HCl
H2SO4 + CH4 = CO2 + SO2 + H2O =>
4 H2SO4 + CH4 = CO2 + 4 SO2 + 6 H2O
Na2SeO3 + Na2SO3 + H2SO4 = Se + Na2SO4 + H2O =>
Na2SeO3 + 2 Na2SO3 + H2SO4 = Se + 3 Na2SO4 + H2O
K2Cr2O7 + Cl2Sn + HCl = Cl3Cr + Cl4Sn + ClK + H2O =>
K2Cr2O7 + 3 Cl2Sn + 14 HCl = 2 Cl3Cr + 3 Cl4Sn + 2 ClK + 7 H2O
C8H16Cl2 + C7H8 = C15H22 + HCl =>
C8H16Cl2 + C7H8 = C15H22 + 2 HCl
Ca3N2 + H2S = CaS + NH3 =>
Ca3N2 + 3 H2S = 3 CaS + 2 NH3
NaHCO3 + C6H9O7 = CO2 + H2O + Na3C6H5O7 =>
57 NaHCO3 + 18 C6H9O7 = 51 CO2 + 62 H2O + 19 Na3C6H5O7
Si + P2O3 = SiO2 + P =>
3 Si + 2 P2O3 = 3 SiO2 + 4 P
Mg(ClO3)2 = MgO + Cl2 + O2 =>
2 Mg(ClO3)2 = 2 MgO + 2 Cl2 + 5 O2
Ba(OH)2(aq) + HF(aq) = BaF2 + H2O =>
Ba(OH)2(aq) + 2 HF(aq) = BaF2 + 2 H2O
H + C = CH =>
H + C = CH
NiSO4*7H2O + NaHCO3 = NiCO3 + Na2SO4 + H2O + CO2 =>
NiSO4*7H2O + 2 NaHCO3 = NiCO3 + Na2SO4 + 8 H2O + CO2
Fe3 + O2 = Fe3O4 =>
Fe3 + 2 O2 = Fe3O4
Co(NO3)2*6H2O + Fe(NO3)3*9H2O + NaOH = CoFe2O4 + H2O + NaNO3 =>
Co(NO3)2*6H2O + 2 Fe(NO3)3*9H2O + 8 NaOH = CoFe2O4 + 28 H2O + 8 NaNO3
Al2O3 + H2O = Al(OH)3 = Al(CO)3 =>
Al2O3 + 3 H2O = 2 Al(OH)3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Na2S + P2S5 = Na3PS4 =>
3 Na2S + P2S5 = 2 Na3PS4
MgCl2(aq) + NH4NO3(aq) = Mg(NO3)2 + NH4Cl =>
MgCl2(aq) + 2 NH4NO3(aq) = Mg(NO3)2 + 2 NH4Cl
FeCl3 + KSNC = Fe(SCN)3 + KCl =>
FeCl3 + 3 KSNC = Fe(SCN)3 + 3 KCl
CH3OH(l) + HCl(aq) = CH3Cl + H2O =>
CH3OH(l) + HCl(aq) = CH3Cl + H2O
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
SO3(g) + H2O(I) = H2SO4(I) =>
SO3(g) + H2O(I) = H2SO4(I)
S + SO42{-} + OH{-} = SO32{-} + H2O =>
20 S + 63 SO42{-} + 20 OH{-} = 83 SO32{-} + 10 H2O
Cd24Se24 + Ti = Cd23Se24Ti + Cd =>
Cd24Se24 + Ti = Cd23Se24Ti + Cd
KIO3 + KI + H2SO4 = K2SO4 + H2O + I2 =>
KIO3 + 5 KI + 3 H2SO4 = 3 K2SO4 + 3 H2O + 3 I2
H2S + Na2Cr2O7 + H2SO4 = Cr2(SO4)3 + H2O + NaHSO4 =>
3 H2S + 4 Na2Cr2O7 + 17 H2SO4 = 4 Cr2(SO4)3 + 16 H2O + 8 NaHSO4
(NH4)2 + CuCl2 = Cu + NH4Cl =>
(NH4)2 + CuCl2 = Cu + 2 NH4Cl
Fe + CuOH = Fe(OH)2 + Cu =>
Fe + 2 CuOH = Fe(OH)2 + 2 Cu
HCl + C7H8 = CCl4 + H2 =>
28 HCl + C7H8 = 7 CCl4 + 18 H2
Mg + BeO = Be + MgO =>
Mg + BeO = Be + MgO
CoBr3 + CaSO4 = CaBr2 + Co2(SO4)3 =>
2 CoBr3 + 3 CaSO4 = 3 CaBr2 + Co2(SO4)3
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
HCl + C7H8 = CCl4 + H2 =>
28 HCl + C7H8 = 7 CCl4 + 18 H2
Fe2(CO3)3 + HCl(aq) = FeCl3(aq) + H2O(l) + CO2(g) =>
Fe2(CO3)3 + 6 HCl(aq) = 2 FeCl3(aq) + 3 H2O(l) + 3 CO2(g)
Zn + Fe(CN)6 = Zn(CN)6 + Fe =>
Zn + Fe(CN)6 = Zn(CN)6 + Fe
AgCl + Al2O3 = Ag2O + AlCl3 =>
6 AgCl + Al2O3 = 3 Ag2O + 2 AlCl3
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