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4 H + O2 = 2 H2O
H + Cl = HCl =>
H + Cl = HCl
MgCl2 + Na = Mg2 + NaCl =>
2 MgCl2 + 4 Na = Mg2 + 4 NaCl
Mg2 + N3 = Mg3N2 =>
9 Mg2 + 4 N3 = 6 Mg3N2
CO2 + NaOH = NaHCO3 =>
CO2 + NaOH = NaHCO3
CO2 + NaOH = Na2CO3 + H2O =>
CO2 + 2 NaOH = Na2CO3 + H2O
Ca(s) + CuSO4(aq) = CaSO4(aq) + Cu(s) =>
Ca(s) + CuSO4(aq) = CaSO4(aq) + Cu(s)
Na2SO4 = Na2O + SO2 + O2 =>
2 Na2SO4 = 2 Na2O + 2 SO2 + O2
NaHCO3 = Na2CO3 + H2O + CO2 =>
2 NaHCO3 = Na2CO3 + H2O + CO2
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Fe + HCl = Fe{2+} + Cl{-} + H2 =>
Fe + 2 HCl = Fe{2+} + 2 Cl{-} + H2
Pb + HCl = PbCl + H2 =>
2 Pb + 2 HCl = 2 PbCl + H2
CaCO3 = CO2 + CaO =>
CaCO3 = CO2 + CaO
K2Cr2O7 + FeSO4 + H2SO4 = K2SO4 + Cr2(SO4)3 + Fe2(SO4)3 + H2O =>
K2Cr2O7 + 6 FeSO4 + 7 H2SO4 = K2SO4 + Cr2(SO4)3 + 3 Fe2(SO4)3 + 7 H2O
Fe + S8 = FeS =>
8 Fe + S8 = 8 FeS
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
S + O = SO =>
S + O = SO
CaCl2 + Na3Po4 = Ca3(Po4)2 + NaCl =>
3 CaCl2 + 2 Na3Po4 = Ca3(Po4)2 + 6 NaCl
H2 + O2 = H2O2 =>
H2 + O2 = H2O2
H + O2 = H2O2 =>
2 H + O2 = H2O2
H2 + O = H2O2 =>
H2 + 2 O = H2O2
H2 + O = H2O =>
H2 + O = H2O
BeO + NaOH + H2O = Be(OH)4 + Na =>
BeO + 2 NaOH + H2O = Be(OH)4 + 2 Na
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C8H10N4O2 + O2 = CO2 + H2O + NO2 =>
2 C8H10N4O2 + 27 O2 = 16 CO2 + 10 H2O + 8 NO2
Fe + Cl = FeCl2 =>
Fe + 2 Cl = FeCl2
Ni(OH)2 + HCl = NiCl2 + H2O =>
Ni(OH)2 + 2 HCl = NiCl2 + 2 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
HS{-} + HSO3{-} = S2O3{-2} + H2O =>
2 HS{-} + 4 HSO3{-} = 3 S2O3{-2} + 3 H2O
FeSO2 + O2 = Fe2O3 + SO2 =>
4 FeSO2 + 3 O2 = 2 Fe2O3 + 4 SO2
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
NH4Cl + NaOH = NaCl + H2O + NH3 =>
NH4Cl + NaOH = NaCl + H2O + NH3
C + O2 = CO =>
2 C + O2 = 2 CO
Fe(OH)2 + O2 + H2O = Fe(OH)3 =>
4 Fe(OH)2 + O2 + 2 H2O = 4 Fe(OH)3
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
N2O4 + H2O = HNO3 + NO =>
3 N2O4 + 2 H2O = 4 HNO3 + 2 NO
Li + O = Li2O =>
2 Li + O = Li2O
Li2O + H2O = LiOH =>
Li2O + H2O = 2 LiOH
ZnO = Zn + O =>
ZnO = Zn + O
C8H4O3 + CH4N2O + CuSO4 = CO2 + H2O + C32H16N8CuSO4 =>
4 C8H4O3 + 4 CH4N2O + CuSO4 = 4 CO2 + 8 H2O + C32H16N8CuSO4
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
AgNO3 + K3PO4 = Ag3PO4 + KNO3 =>
3 AgNO3 + K3PO4 = Ag3PO4 + 3 KNO3
C + S = CS2 =>
C + 2 S = CS2
Si + S = SiS2 =>
Si + 2 S = SiS2
Ge + S = GeS2 =>
Ge + 2 S = GeS2
Sn + S = SnS2 =>
Sn + 2 S = SnS2
Pb + S = PbS2 =>
Pb + 2 S = PbS2
TiO2 + Cl2 + C = TiCl4 + CO2 =>
TiO2 + 2 Cl2 + C = TiCl4 + CO2
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
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