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2 Al + 3 S = Al2S3
CuSO4 + Mg = MgSO4 + Cu =>
CuSO4 + Mg = MgSO4 + Cu
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
CuSO4*(NH4)2SO4*6H2O + KI = K2SO4 + NH4I + CuI + I2 + H2O =>
2 CuSO4*(NH4)2SO4*6H2O + 8 KI = 4 K2SO4 + 4 NH4I + 2 CuI + I2 + 12 H2O
NaOH + H2SO4 = H3O + NaSO4 =>
NaOH + H2SO4 = H3O + NaSO4
CuCl2 + Fe = FeCl + Cu =>
CuCl2 + 2 Fe = 2 FeCl + Cu
K2Cr2O7 + FeCl2 + HCl = CrCl3 + KCl + FeCl3 + H2O =>
K2Cr2O7 + 6 FeCl2 + 14 HCl = 2 CrCl3 + 2 KCl + 6 FeCl3 + 7 H2O
H2SO4 + NaNO2 = HNO2 + Na2SO4 =>
H2SO4 + 2 NaNO2 = 2 HNO2 + Na2SO4
H2CO3 = H2O + CO2 =>
H2CO3 = H2O + CO2
Al(NO3)3 + PbCl2 = Pb(NO3)2 + AlCl3 =>
2 Al(NO3)3 + 3 PbCl2 = 3 Pb(NO3)2 + 2 AlCl3
Cu2CO3(OH)2 = CuO + H2O + CO2 =>
Cu2CO3(OH)2 = 2 CuO + H2O + CO2
H2SO4 + Na2CO3 = Na2SO4 + CO2 + H2O =>
H2SO4 + Na2CO3 = Na2SO4 + CO2 + H2O
Na3P + CaF2 = NaF + Ca3P2 =>
2 Na3P + 3 CaF2 = 6 NaF + Ca3P2
C4H6 + O2 = H2O + C =>
2 C4H6 + 3 O2 = 6 H2O + 8 C
AlBr3 + PbCl2 = PbBr2 + AlCl3 =>
2 AlBr3 + 3 PbCl2 = 3 PbBr2 + 2 AlCl3
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
NaHCO3 = NaOH + CO2 =>
NaHCO3 = NaOH + CO2
NaHCO3 = CO2 + NaOH =>
NaHCO3 = CO2 + NaOH
Mg + I2 = MgI =>
2 Mg + I2 = 2 MgI
K2Cr2O7 + FeCl2 + HCl = CrCl3 + KCl + FeCl3 + H2O =>
K2Cr2O7 + 6 FeCl2 + 14 HCl = 2 CrCl3 + 2 KCl + 6 FeCl3 + 7 H2O
NaS2CNEt2 + FeCl3 = [Fe(S2CNEt2)3] + NaCl =>
3 NaS2CNEt2 + FeCl3 = [Fe(S2CNEt2)3] + 3 NaCl
C3H6O + O2 = CO2 + H2O =>
C3H6O + 4 O2 = 3 CO2 + 3 H2O
Mg + I2 = MgI2 =>
Mg + I2 = MgI2
NaOH + HNO3 = H2O + NaNO3 =>
NaOH + HNO3 = H2O + NaNO3
PbCl2 + Zn(NO3)2 = ZnCl2 + Pb(NO3)2 =>
PbCl2 + Zn(NO3)2 = ZnCl2 + Pb(NO3)2
CuSO4 + Na2CO3 = Na2SO4 + CuCO3 =>
CuSO4 + Na2CO3 = Na2SO4 + CuCO3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Cl2 + Al = AlCl3 =>
3 Cl2 + 2 Al = 2 AlCl3
Mn + H2SO4 = MnSO4 + H2O + S =>
3 Mn + 4 H2SO4 = 3 MnSO4 + 4 H2O + S
Fe + O2 = Fe2O =>
4 Fe + O2 = 2 Fe2O
Mg + H2SO4 = MgSO4 + H =>
Mg + H2SO4 = MgSO4 + 2 H
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Cl2 + KBr = Br2 + KCl =>
Cl2 + 2 KBr = Br2 + 2 KCl
CaCo3 + HNO3 = Ca(NO3)2 + Co2 + H20 =>
10 CaCo3 + 20 HNO3 = 10 Ca(NO3)2 + 15 Co2 + H20
Al(OH)3 + NaOH = NaAl(OH)4 =>
Al(OH)3 + NaOH = NaAl(OH)4
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Na2SO4 + Pb(NO3)2 = NaNO3 + PbSO4 =>
Na2SO4 + Pb(NO3)2 = 2 NaNO3 + PbSO4
CuCO3 + HNO3 = Cu(NO3)2 + H2O + CO2 =>
CuCO3 + 2 HNO3 = Cu(NO3)2 + H2O + CO2
H2SO4 + Al = Al2(SO4)3 + H2 =>
3 H2SO4 + 2 Al = Al2(SO4)3 + 3 H2
CaCl2 + KOH = Ca(OH)2 + KCl =>
CaCl2 + 2 KOH = Ca(OH)2 + 2 KCl
Ca(HCO3)2 = CaCO3 + H2O + CO2 =>
Ca(HCO3)2 = CaCO3 + H2O + CO2
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
CuCl2 + H2S = HCl + Cu2S2 =>
2 CuCl2 + 2 H2S = 4 HCl + Cu2S2
H2 + F2 = HF =>
H2 + F2 = 2 HF
H2SO4 + (NH4)2SO4 + NaVO3 = NH4V3O8 + Na2SO4 + H2O =>
2 H2SO4 + (NH4)2SO4 + 6 NaVO3 = 2 NH4V3O8 + 3 Na2SO4 + 2 H2O
(NH4)3PO3 + AlCl3 = NH4Cl + AlPO3 =>
(NH4)3PO3 + AlCl3 = 3 NH4Cl + AlPO3
H2SO4 + (NH4)2SO4 + NaVO3 = NH4V3O8 + Na2SO4 + H2O =>
2 H2SO4 + (NH4)2SO4 + 6 NaVO3 = 2 NH4V3O8 + 3 Na2SO4 + 2 H2O
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
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