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C2H4 + 3 O2 = 2 CO2 + 2 H2O
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
NaHCO3 = Na2O + CO2 + H2O =>
2 NaHCO3 = Na2O + 2 CO2 + H2O
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
Na + HCl = H2 + NaCl =>
2 Na + 2 HCl = H2 + 2 NaCl
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
SrCl2(aq) + Na2SO4(aq) = NaCl(aq) + SrSO4(s) =>
SrCl2(aq) + Na2SO4(aq) = 2 NaCl(aq) + SrSO4(s)
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
HCI + NaOH = NaCI + H2O =>
HCI + NaOH = NaCI + H2O
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
H2 + I2 = HI =>
H2 + I2 = 2 HI
Sb2O3 + H3PO4 = SbPO4 + H2O =>
Sb2O3 + 2 H3PO4 = 2 SbPO4 + 3 H2O
AlCl3 + K2O = Al2O3 + KCl =>
2 AlCl3 + 3 K2O = Al2O3 + 6 KCl
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Ba + HOH = Ba(OH)2 + H2 =>
Ba + 2 HOH = Ba(OH)2 + H2
AlCl3 + NaOH = Al(OH)3 + NaCl =>
AlCl3 + 3 NaOH = Al(OH)3 + 3 NaCl
Pb(NO3)2 + Na2S = PbS + NaNO3 =>
Pb(NO3)2 + Na2S = PbS + 2 NaNO3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
HI + Ba(OH)2 = BaI2 + H2O =>
2 HI + Ba(OH)2 = BaI2 + 2 H2O
Sn + O2 = SnO2 =>
Sn + O2 = SnO2
Na2CO3 = Na2O + CO2 =>
Na2CO3 = Na2O + CO2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
H2O + Na = NaOH + H2 =>
2 H2O + 2 Na = 2 NaOH + H2
CH4S2O6 + O2 = CO2 + H2O + SO2 =>
CH4S2O6 + O2 = CO2 + 2 H2O + 2 SO2
Na(s) + O2(g) = Na2O(s) =>
4 Na(s) + O2(g) = 2 Na2O(s)
ZnS + AlP = Zn3P2 + Al2S3 =>
3 ZnS + 2 AlP = Zn3P2 + Al2S3
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
NH4Cl + CaO = NH3 + CaCl2 + H2O =>
2 NH4Cl + CaO = 2 NH3 + CaCl2 + H2O
Te + HNO3 = TeO2 + H2O + NO2 =>
Te + 4 HNO3 = TeO2 + 2 H2O + 4 NO2
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
BaCl2 + (NH4)2CO3 = BaCO3 + NH4Cl =>
BaCl2 + (NH4)2CO3 = BaCO3 + 2 NH4Cl
Fe(OH)3 + P2O5 = FePO4 + H2O =>
2 Fe(OH)3 + P2O5 = 2 FePO4 + 3 H2O
WO3 + H2 = W + H2O =>
WO3 + 3 H2 = W + 3 H2O
Fe(s) + S(s) = FeS(s) =>
Fe(s) + S(s) = FeS(s)
ZnCl2 + NaOH = Zn(OH)2 + NaCl =>
ZnCl2 + 2 NaOH = Zn(OH)2 + 2 NaCl
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
C6H12O6 + O2 = CO2 + H2O666 =>
C6H12O6 + 2001 O2 = 6 CO2 + 6 H2O666
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Mg + CO2 = MgO + C =>
2 Mg + CO2 = 2 MgO + C
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