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4 Fe + 3 O2 = 2 Fe2O3
CH3CO2C3H7 + NaOH = NaCH3CO2 + C3H7OH =>
CH3CO2C3H7 + NaOH = NaCH3CO2 + C3H7OH
Al3 + Fe3O = Al3O + Fe =>
Al3 + Fe3O = Al3O + 3 Fe
NaCl + Cu = CuNa + Cl =>
NaCl + Cu = CuNa + Cl
Na3X + MgY2 = NaY + Mg3X2 =>
2 Na3X + 3 MgY2 = 6 NaY + Mg3X2
Na3AsO3 + HCl + H2S = As2OS2 + NaCl + H2O =>
2 Na3AsO3 + 6 HCl + 2 H2S = As2OS2 + 6 NaCl + 5 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
HNO + CuOH = CuNO + H2O =>
HNO + CuOH = CuNO + H2O
H2CrO3 + Ba(OH)2 = BaCrO3 + H2O =>
H2CrO3 + Ba(OH)2 = BaCrO3 + 2 H2O
CO2 + NH3 = (NH2)2CO + H2O =>
CO2 + 2 NH3 = (NH2)2CO + H2O
P4O10(s) = P(s) + O2(g) =>
P4O10(s) = 4 P(s) + 5 O2(g)
CaCl2 + (HNO3) = Ca(NO3)2 + HCl =>
CaCl2 + 2(HNO3) = Ca(NO3)2 + 2 HCl
KCO3 + Na2S = K2S + NaCO3 =>
2 KCO3 + Na2S = K2S + 2 NaCO3
HA + NaOH = A + NaOH2 =>
HA + NaOH = A + NaOH2
SeO2 + CrSO4 = Se2O + Cr2O3 + SO4 =>
2 SeO2 + 2 CrSO4 = Se2O + Cr2O3 + 2 SO4
CaCl2*H2O + KOH = Ca(OH)2 + KCl + H2O =>
CaCl2*H2O + 2 KOH = Ca(OH)2 + 2 KCl + H2O
HgCl2 + K2S = HgS + K2Cl2 =>
HgCl2 + K2S = HgS + K2Cl2
Ca(NO3)2 = CaO + N2O5 =>
Ca(NO3)2 = CaO + N2O5
WI2BaSO4 = WSO4BaI2 =>
WI2BaSO4 = WSO4BaI2
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
[Zn(NH3)4](OH)2 + HCl = NH4Cl + Zn(OH)2 =>
[Zn(NH3)4](OH)2 + 4 HCl = 4 NH4Cl + Zn(OH)2
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
F2 + KCl = KF + Cl2 =>
F2 + 2 KCl = 2 KF + Cl2
Fe(OH)3 + HCl = FeCl3 + H2O =>
Fe(OH)3 + 3 HCl = FeCl3 + 3 H2O
Li2SO4 + K3PO4 = Li3PO4 + K2SO4 =>
3 Li2SO4 + 2 K3PO4 = 2 Li3PO4 + 3 K2SO4
Na2CO3 + H2SO4 = H2CO3 + Na2SO4 =>
Na2CO3 + H2SO4 = H2CO3 + Na2SO4
AgNO3 + C = AgNO3C =>
AgNO3 + C = AgNO3C
FeO + PdF2 = FeF2 + PdO =>
FeO + PdF2 = FeF2 + PdO
H2SO3 + CaSO3 = Ca(HSO3)2 =>
H2SO3 + CaSO3 = Ca(HSO3)2
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
Cu + HClO4 = Cu(ClO4)2 + ClO2 + H2O =>
3 Cu + 8 HClO4 = 3 Cu(ClO4)2 + 2 ClO2 + 4 H2O
Cu + BePO4 = Be + Cu3(PO4)2 =>
3 Cu + 2 BePO4 = 2 Be + Cu3(PO4)2
C5H9O(l) + O2 = CO2(g) + H2O(g) =>
4 C5H9O(l) + 27 O2 = 20 CO2(g) + 18 H2O(g)
MgSO4 + NaOH = Mg(OH)2 + Na2SO4 =>
MgSO4 + 2 NaOH = Mg(OH)2 + Na2SO4
CH3CH2COOH + CH3OH = CH3CH2COOH3 + H2O =>
CH3CH2COOH + 3 CH3OH = 2 CH3CH2COOH3 + H2O
Al + O2 = Al2O3 = =>
4 Al + 3 O2 = 2 Al2O3
C8H8Br2 + C4H9Cl + AlCl3 = C12H16Br2 + HAlCl4 =>
C8H8Br2 + C4H9Cl + AlCl3 = C12H16Br2 + HAlCl4
CaOH = CaO + H2 =>
2 CaOH = 2 CaO + H2
(NH2)2CO(s) + O2(g) = CO2(g) + N2(g) + H2O(l) =>
2(NH2)2CO(s) + 3 O2(g) = 2 CO2(g) + 2 N2(g) + 4 H2O(l)
N2O3 + H2O = NHO2 =>
N2O3 + H2O = 2 NHO2
Ca + HNO3 = N2O + Ca(NO3)2 + H2O =>
4 Ca + 10 HNO3 = N2O + 4 Ca(NO3)2 + 5 H2O
CH3NH2 + O2 = C4H10 + NO2 + H2O =>
8 CH3NH2 + 13 O2 = 2 C4H10 + 8 NO2 + 10 H2O
Na2SO3 + TeO2 + HCl = H2SO4 + NaCl + Te =>
2 Na2SO3 + TeO2 + 4 HCl = 2 H2SO4 + 4 NaCl + Te
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
Ni(OH)2 + H2SeO2 = Ni(SeO2) + H2O =>
Ni(OH)2 + H2SeO2 = Ni(SeO2) + 2 H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Zn + HCl + CH3COONa = ZnCl2 + CH3COOH + NaH =>
Zn + 2 HCl + CH3COONa = ZnCl2 + CH3COOH + NaH
AgNO3 + BaCl2 = Ba(NO3)2 + AgCl =>
2 AgNO3 + BaCl2 = Ba(NO3)2 + 2 AgCl
K2HPO3 + HCl = KCl + H3PO3 =>
K2HPO3 + 2 HCl = 2 KCl + H3PO3
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