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2 Al + 3 O = Al2O3
CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
Ca3N2 + H2O = Ca(OH)2 + NH3 =>
Ca3N2 + 6 H2O = 3 Ca(OH)2 + 2 NH3
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
NH3 + Mg = Mg3N2 + H2 =>
2 NH3 + 3 Mg = Mg3N2 + 3 H2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
N2O3 = NO2 + NO =>
N2O3 = NO2 + NO
Fe + O = Fe2O3 =>
2 Fe + 3 O = Fe2O3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CO + H2 = H2O + CH4 =>
CO + 3 H2 = H2O + CH4
Na2SO4 + CaCl2 = CaSO4 + NaCl =>
Na2SO4 + CaCl2 = CaSO4 + 2 NaCl
Li(s) + Cl2(g) = LiCl(s) =>
2 Li(s) + Cl2(g) = 2 LiCl(s)
Ca(CN)2 + HBr = CaBr2 + HCN =>
Ca(CN)2 + 2 HBr = CaBr2 + 2 HCN
N2(g) + H2(g) = NH3(g) =>
N2(g) + 3 H2(g) = 2 NH3(g)
HNO3 + NaOH = NaNO3 + H2O =>
HNO3 + NaOH = NaNO3 + H2O
N2(g) + H2(g) = NH3(g) =>
N2(g) + 3 H2(g) = 2 NH3(g)
HNO3 + NaOH = NaNO3 + H2O =>
HNO3 + NaOH = NaNO3 + H2O
FeSO4 = Fe2O3 + SO2 + O2 =>
4 FeSO4 = 2 Fe2O3 + 4 SO2 + O2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Na2SO4(aq) + CaCl2(aq) = CaSO4(s) + NaCl(aq) =>
Na2SO4(aq) + CaCl2(aq) = CaSO4(s) + 2 NaCl(aq)
LiOH + MgSO4 = LiSO4 + MgOH =>
LiOH + MgSO4 = LiSO4 + MgOH
BaCO3 + HNO3 = Ba(NO3)2 + H2CO3 =>
BaCO3 + 2 HNO3 = Ba(NO3)2 + H2CO3
Na2SO4(aq) + Sr(OH)2(aq) = SrSO4(s) + NaOH(aq) =>
Na2SO4(aq) + Sr(OH)2(aq) = SrSO4(s) + 2 NaOH(aq)
Na2O2 + CO2 = Na2CO3 + O2 =>
2 Na2O2 + 2 CO2 = 2 Na2CO3 + O2
Fe + Cl3 = FeCl3 =>
Fe + Cl3 = FeCl3
Fe2O3(s) + HNO3(aq) = Fe(NO3)3(aq) + H2O(l) =>
Fe2O3(s) + 6 HNO3(aq) = 2 Fe(NO3)3(aq) + 3 H2O(l)
Cu(s) + HCl(aq) = CuCl2(aq) + H2(g) =>
Cu(s) + 2 HCl(aq) = CuCl2(aq) + H2(g)
P + O = P2O5 =>
2 P + 5 O = P2O5
HNO3 = NO2 + H2O + O2 =>
4 HNO3 = 4 NO2 + 2 H2O + O2
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Fe + Cl3 = FeCl3 =>
Fe + Cl3 = FeCl3
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Fe2O3(s) + C(s) = Fe(s) + CO2(g) =>
2 Fe2O3(s) + 3 C(s) = 4 Fe(s) + 3 CO2(g)
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
Al(OH)3 + H3PO4 = AlPO4 + H2O =>
Al(OH)3 + H3PO4 = AlPO4 + 3 H2O
Br2(l) + I2(s) = IBr3(s) =>
3 Br2(l) + I2(s) = 2 IBr3(s)
Na2CO3 + H2O = NaOH + H2CO3 =>
Na2CO3 + 2 H2O = 2 NaOH + H2CO3
CO + H2 = H2O + CH4 =>
CO + 3 H2 = H2O + CH4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
NaCl(s) + SO2(g) + H2O(g) + O2(g) = Na2SO4(s) + HCl(g) =>
4 NaCl(s) + 2 SO2(g) + 2 H2O(g) + O2(g) = 2 Na2SO4(s) + 4 HCl(g)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
Fe(OH)2 + H3PO4 = Fe3(PO4)2 + H2O =>
3 Fe(OH)2 + 2 H3PO4 = Fe3(PO4)2 + 6 H2O
Fe + Cl3 = FeCl3 =>
Fe + Cl3 = FeCl3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CaH2 + H2O = Ca(OH)2 + H2 =>
CaH2 + 2 H2O = Ca(OH)2 + 2 H2
FeO3(s) + CO(g) = Fe(l) + CO2(g) =>
FeO3(s) + 3 CO(g) = Fe(l) + 3 CO2(g)
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