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Al2S3 + 3 MgCl2 = 3 MgS + 2 AlCl3
HF + CaSO3 = CaF2 + H2O + SF4 =>
6 HF + CaSO3 = CaF2 + 3 H2O + SF4
H2 + Br2 = HBr =>
H2 + Br2 = 2 HBr
Na + H2O = Na(OH) + H2 =>
2 Na + 2 H2O = 2 Na(OH) + H2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
HNO3 + KOH = KNO3 + H2O =>
HNO3 + KOH = KNO3 + H2O
CrO3 = Cr2O3 + O2 =>
4 CrO3 = 2 Cr2O3 + 3 O2
Na + H2O = Na(OH) + H2 =>
2 Na + 2 H2O = 2 Na(OH) + H2
Mg + H2O = Mg(OH)2 + H2 =>
Mg + 2 H2O = Mg(OH)2 + H2
FeCl2 + KOH = Fe(OH)2 + KCl =>
FeCl2 + 2 KOH = Fe(OH)2 + 2 KCl
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
HNO3 + Mg(OH)2 = H2O + Mg(NO3)2 =>
2 HNO3 + Mg(OH)2 = 2 H2O + Mg(NO3)2
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
H2 + F2 = HF2 =>
H2 + 2 F2 = 2 HF2
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
Fe2O3(s) = Fe(s) + O2(g) =>
2 Fe2O3(s) = 4 Fe(s) + 3 O2(g)
Cr2O3 + KOH + O2 = K2CrO4 + H2O =>
2 Cr2O3 + 8 KOH + 3 O2 = 4 K2CrO4 + 4 H2O
P4 + Cl2 = PCl5 =>
P4 + 10 Cl2 = 4 PCl5
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
S + O2 = SO2 =>
S + O2 = SO2
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Li2O + H2O = LiOH =>
Li2O + H2O = 2 LiOH
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
NaBr + KCl = NaCl + KBr =>
NaBr + KCl = NaCl + KBr
Mg + Cl2 = MgCl2 =>
Mg + Cl2 = MgCl2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Fe2S3 + HCl = FeCl3 + H2S =>
Fe2S3 + 6 HCl = 2 FeCl3 + 3 H2S
Cr2O3 + Na2CO3 + KNO3 = Na2CrO4 + CO2 + KNO2 =>
Cr2O3 + 2 Na2CO3 + 3 KNO3 = 2 Na2CrO4 + 2 CO2 + 3 KNO2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
CuS + O = CuO + SO2 =>
CuS + 3 O = CuO + SO2
Ba + H2O = Ba(OH)2 + H2 =>
Ba + 2 H2O = Ba(OH)2 + H2
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
C2H4 + Cl2 = C2H4Cl2 =>
C2H4 + Cl2 = C2H4Cl2
CuS + O = Cu2O + SO2 =>
2 CuS + 5 O = Cu2O + 2 SO2
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
Na + S = Na2S =>
2 Na + S = Na2S
Cl2 + KOH = KCl + KClO3 + H2O =>
3 Cl2 + 6 KOH = 5 KCl + KClO3 + 3 H2O
Ag2S + HNO3 = AgNO3 + NO + S + H2O =>
3 Ag2S + 8 HNO3 = 6 AgNO3 + 2 NO + 3 S + 4 H2O
Pb2 + Cl = PbCl2 =>
Pb2 + 4 Cl = 2 PbCl2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Au2O3 = Au + O2 =>
2 Au2O3 = 4 Au + 3 O2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
BaO + H2O = Ba(OH)2 =>
BaO + H2O = Ba(OH)2
SnO2 + C = Sn + CO =>
SnO2 + 2 C = Sn + 2 CO
Pb + H2O + O2 = Pb(OH)2 =>
2 Pb + 2 H2O + O2 = 2 Pb(OH)2
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