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4 Fe + 3 O2 = 2 Fe2O3
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
NaCl + CuSO4 = NaSO4 + CuCl =>
NaCl + CuSO4 = NaSO4 + CuCl
Ba(NO3)2 + Al2(SO4)3 = Al(NO3)3 + BaSO4 =>
3 Ba(NO3)2 + Al2(SO4)3 = 2 Al(NO3)3 + 3 BaSO4
HCOOH + C3H7OH = HCOOC3H7 + H2O =>
HCOOH + C3H7OH = HCOOC3H7 + H2O
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
MgO + H2SO4 = MgSO4 + H2O =>
MgO + H2SO4 = MgSO4 + H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Zn + HClO3 = Zn(ClO3)2 + Cl2 + H2O =>
5 Zn + 12 HClO3 = 5 Zn(ClO3)2 + Cl2 + 6 H2O
PbO2 + HCl = PbCl2 + Cl2 + H2O =>
PbO2 + 4 HCl = PbCl2 + Cl2 + 2 H2O
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
Al + FeO = Al2O3 + Fe =>
2 Al + 3 FeO = Al2O3 + 3 Fe
FeBr3 + Zn = ZnBr2 + Fe =>
2 FeBr3 + 3 Zn = 3 ZnBr2 + 2 Fe
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
P + KOH + H2O = PH3 + KH2PO2 =>
4 P + 3 KOH + 3 H2O = PH3 + 3 KH2PO2
NaCl2 + F2 = NaF + Cl2 =>
2 NaCl2 + F2 = 2 NaF + 2 Cl2
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
CO + H2 = H2O + CH4 =>
CO + 3 H2 = H2O + CH4
CuSO4*5H2O(heat) = CuSO4 + H2O =>
CuSO4*5H2O(heat) = CuSO4 + 5 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
P + HNO3 + H2O = H3PO4 + NO =>
3 P + 5 HNO3 + 2 H2O = 3 H3PO4 + 5 NO
Mn2O7 = MnO2 + O2 =>
2 Mn2O7 = 4 MnO2 + 3 O2
Ba + N2 = Ba3N2 =>
3 Ba + N2 = Ba3N2
C5H10 + O2 = CO2 + H2O =>
2 C5H10 + 15 O2 = 10 CO2 + 10 H2O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
C2H6O + SOCl2 = C2H5Cl + H2SO3 =>
2 C2H6O + SOCl2 = 2 C2H5Cl + H2SO3
Mg3N2 + K2O = MgO + K3N =>
Mg3N2 + 3 K2O = 3 MgO + 2 K3N
FeO + O2 = Fe2O3 =>
4 FeO + O2 = 2 Fe2O3
CaCl2 + K3PO4 = Ca3(PO4)2 + KCl =>
3 CaCl2 + 2 K3PO4 = Ca3(PO4)2 + 6 KCl
NaHCO3 + H3C6H5O7 = Na36H5O7 + H2O + CO2 =>
72 NaHCO3 + 3 H3C6H5O7 = 2 Na36H5O7 + 43 H2O + 90 CO2
Al2(SO4)3 + Ba3(PO4)2 = BaSO4 + AlPO4 =>
Al2(SO4)3 + Ba3(PO4)2 = 3 BaSO4 + 2 AlPO4
FE + HCl = FECl3 + H2 =>
2 FE + 6 HCl = 2 FECl3 + 3 H2
Ba(OH)2 + HNO3 = Ba(NO3)2 + H2O =>
Ba(OH)2 + 2 HNO3 = Ba(NO3)2 + 2 H2O
B + O2 = B2O2 =>
2 B + O2 = B2O2
Se + Cl2 = SeCl6 =>
Se + 3 Cl2 = SeCl6
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
C + SO2 = CS2 + CO =>
5 C + 2 SO2 = CS2 + 4 CO
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Al(NO3)3 = Al2O3 + NO2 + O2 =>
4 Al(NO3)3 = 2 Al2O3 + 12 NO2 + 3 O2
Sn(OH)2 = SnO + H2O =>
Sn(OH)2 = SnO + H2O
HBr + Al2O3 = AlBr3 + H2O =>
6 HBr + Al2O3 = 2 AlBr3 + 3 H2O
K + H3PO4 = K3PO4 + H2 =>
6 K + 2 H3PO4 = 2 K3PO4 + 3 H2
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
Fe2O3 + Al = Fe + Al2O3 =>
Fe2O3 + 2 Al = 2 Fe + Al2O3
ZnO + HNO3 = Zn(NO3)2 + H2O =>
ZnO + 2 HNO3 = Zn(NO3)2 + H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
NaHCO3 + H3C6H5O7 = Na3C6H5O7 + H2O + CO2 =>
3 NaHCO3 + H3C6H5O7 = Na3C6H5O7 + 3 H2O + 3 CO2
Zn + H2O = Zn(OH)2 + H2 =>
Zn + 2 H2O = Zn(OH)2 + H2
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