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CH4 = C + 2 H2
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
Fe(s) + CuSO4(aq) = FeSO4(aq) + Cu(s) =>
Fe(s) + CuSO4(aq) = FeSO4(aq) + Cu(s)
La2S3 + BaS + FeS2 = La2BaFe2S7 + S =>
La2S3 + BaS + 2 FeS2 = La2BaFe2S7 + S
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
WO3 + H2 = W + H2O =>
WO3 + 3 H2 = W + 3 H2O
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
C3H3 + O2 = H2O + CO2 =>
4 C3H3 + 15 O2 = 6 H2O + 12 CO2
P4 + Br2 = PBr3 =>
P4 + 6 Br2 = 4 PBr3
Na2CO3 + H2SO4 = Na2SO4 + CO2 + H2O =>
Na2CO3 + H2SO4 = Na2SO4 + CO2 + H2O
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
Zn(OH)2 + H3PO4 = Zn3(PO4)2 + H2O =>
3 Zn(OH)2 + 2 H3PO4 = Zn3(PO4)2 + 6 H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
(NH4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
Fe + O2 = FeO =>
2 Fe + O2 = 2 FeO
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Cr + S8 = Cr2S3 =>
16 Cr + 3 S8 = 8 Cr2S3
C3H8 + O2 = H2O + CO2 =>
C3H8 + 5 O2 = 4 H2O + 3 CO2
C8H14 + O2 = CO2 + H2O =>
2 C8H14 + 23 O2 = 16 CO2 + 14 H2O
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
Se + AuCl3 + H2O = Au + H2SeO3 + HCl =>
3 Se + 4 AuCl3 + 9 H2O = 4 Au + 3 H2SeO3 + 12 HCl
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
KMnO4 + HCl = Cl2 + MnCl2 + KCl + H2O =>
2 KMnO4 + 16 HCl = 5 Cl2 + 2 MnCl2 + 2 KCl + 8 H2O
Mg(OH)2 + C3H7COOH = (C3H7COO)2Mg + H2O =>
Mg(OH)2 + 2 C3H7COOH = (C3H7COO)2Mg + 2 H2O
Cl2 + SO2 + H2O = H2SO4 + HCl =>
Cl2 + SO2 + 2 H2O = H2SO4 + 2 HCl
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
P + S = P2S3 =>
2 P + 3 S = P2S3
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
((NH4)3PO4) = H3PO4 + NH3 =>
((NH4)3PO4) = H3PO4 + 3 NH3
MgCO3 = MgO + CO2 =>
MgCO3 = MgO + CO2
CaCl2(aq) + NH3(aq) = Ca(NH3)2 + Cl =>
CaCl2(aq) + 2 NH3(aq) = Ca(NH3)2 + 2 Cl
Na + HCI = H2 + NaCI =>
2 Na + 2 HCI = H2 + 2 NaCI
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
Al + Fe3O4 = Al2O3 + Fe =>
8 Al + 3 Fe3O4 = 4 Al2O3 + 9 Fe
H2 + AgNO3 = HNO3 + Ag =>
H2 + 2 AgNO3 = 2 HNO3 + 2 Ag
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
B2H6 + NH3 = BNH2 + H2 =>
B2H6 + 2 NH3 = 2 BNH2 + 4 H2
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
Cl2 + NaI = NaCl + I2 =>
Cl2 + 2 NaI = 2 NaCl + I2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
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