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Fe3O4 + 4 H2 = 3 Fe + 4 H2O
SiCl4 + H2 = HCl + Si =>
SiCl4 + 2 H2 = 4 HCl + Si
HCl + NH3 = NH4Cl =>
HCl + NH3 = NH4Cl
N + H2 = NH3 =>
2 N + 3 H2 = 2 NH3
H2NNH2 + IO3{-} + Cl{-} + H{+} = N2 + ICl2{-} + H2O =>
H2NNH2 + IO3{-} + 2 Cl{-} + 2 H{+} = N2 + ICl2{-} + 3 H2O
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
Ba(OH)2 + Fe2(SO4)3 = Fe(OH)3 + BaSO4 =>
3 Ba(OH)2 + Fe2(SO4)3 = 2 Fe(OH)3 + 3 BaSO4
BCl3 + LiAlH4 = B2H6 + LiAlCl4 =>
4 BCl3 + 3 LiAlH4 = 2 B2H6 + 3 LiAlCl4
Fe5Ni4S8 + O2 = Fe2O3 + NiO + SO2 =>
4 Fe5Ni4S8 + 55 O2 = 10 Fe2O3 + 16 NiO + 32 SO2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Mg + HNO3 = Mg(NO3)2 + N2 + H2O =>
5 Mg + 12 HNO3 = 5 Mg(NO3)2 + N2 + 6 H2O
Mg + HNO3 = Mg(NO3)2 + NO2 + H2O =>
Mg + 4 HNO3 = Mg(NO3)2 + 2 NO2 + 2 H2O
Fe + J2 = FeJ3 =>
2 Fe + 3 J2 = 2 FeJ3
KNO3 + KI + HCl = NO + I2 + KCl + H2O =>
2 KNO3 + 6 KI + 8 HCl = 2 NO + 3 I2 + 8 KCl + 4 H2O
HgO + Cl2 = HgCl2 + Cl2O =>
HgO + 2 Cl2 = HgCl2 + Cl2O
Mg2 + O2 = MgO =>
Mg2 + O2 = 2 MgO
H + N = HN3 =>
H + 3 N = HN3
Pb + HNO3 = Pb(NO3)2 + NO2 + H2O =>
Pb + 4 HNO3 = Pb(NO3)2 + 2 NO2 + 2 H2O
H + N = NH3 =>
3 H + N = NH3
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
Zn(OH)2 + HNO3 = ZnOHNO3 + H2O =>
Zn(OH)2 + HNO3 = ZnOHNO3 + H2O
CaCO3 + H2SO4 = CaSO4 + H2O + CO2 =>
CaCO3 + H2SO4 = CaSO4 + H2O + CO2
Sr(OH)2(aq) + H2CO3(aq) = Sr(HCO3)2(s) + H2O(l) =>
Sr(OH)2(aq) + 2 H2CO3(aq) = Sr(HCO3)2(s) + 2 H2O(l)
FeS + O2 = FeO + SO2 =>
2 FeS + 3 O2 = 2 FeO + 2 SO2
C2H6 = C2H4 + H2 =>
C2H6 = C2H4 + H2
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
AL + NiSO4 = ALSO4 + Ni =>
AL + NiSO4 = ALSO4 + Ni
CuCl2 + NH2OH + NaOH = N2O + NaCl + CuOH + H2O =>
4 CuCl2 + 2 NH2OH + 8 NaOH = N2O + 8 NaCl + 4 CuOH + 5 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Na + H2O = H2 + NaOH =>
2 Na + 2 H2O = H2 + 2 NaOH
AgNO3 + HCl = AgCl + HNO3 =>
AgNO3 + HCl = AgCl + HNO3
FeS + O2 = FeO + SO2 =>
2 FeS + 3 O2 = 2 FeO + 2 SO2
K2Cr2O2 + H2SO4 + SO2 = K2SO + Cr2(SO4)3 + H2O =>
K2Cr2O2 + 3 H2SO4 + SO2 = K2SO + Cr2(SO4)3 + 3 H2O
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C3H8 + Cl2 = C + HCl =>
C3H8 + 4 Cl2 = 3 C + 8 HCl
NaHCO3 + NH4NO3 = NaNO3 + CO2 + NH3 + H2O =>
NaHCO3 + NH4NO3 = NaNO3 + CO2 + NH3 + H2O
BaCl2 + (NH4)2CO3 = BaCO3 + NH4Cl =>
BaCl2 + (NH4)2CO3 = BaCO3 + 2 NH4Cl
Zn + HClO3 = Zn(ClO3) + Cl2 + H2O =>
10 Zn + 12 HClO3 = 10 Zn(ClO3) + Cl2 + 6 H2O
CACO3 = CAO + CO2 =>
CACO3 = CAO + CO2
BaCl2 + (NH4)2CO3 = BaCO3 + NH4Cl =>
BaCl2 + (NH4)2CO3 = BaCO3 + 2 NH4Cl
Al + H2O = H2 + Al2O5 =>
2 Al + 5 H2O = 5 H2 + Al2O5
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Al + H2O = H2 + Al2O3 =>
2 Al + 3 H2O = 3 H2 + Al2O3
Fe + C = Fe3C =>
3 Fe + C = Fe3C
CH3OH + K = CH3OK + H2 =>
2 CH3OH + 2 K = 2 CH3OK + H2
NaOH + SO3 = Na2SO4 + H2O =>
2 NaOH + SO3 = Na2SO4 + H2O
CH3OH + K = CH3OK + H2 =>
2 CH3OH + 2 K = 2 CH3OK + H2
C6H14 + Cl2 = C6H13Cl + H2 =>
2 C6H14 + Cl2 = 2 C6H13Cl + H2
Al2O3 + C = CO + Al4C3 =>
2 Al2O3 + 9 C = 6 CO + Al4C3
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