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C + O2 = CO2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Fe + Br2 = FeBr3 =>
2 Fe + 3 Br2 = 2 FeBr3
CuO + H2SO4 = CuSO4 + H2O =>
CuO + H2SO4 = CuSO4 + H2O
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
K + H2O = KOH + H =>
K + H2O = KOH + H
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
H3AsO4 + SNCl2 + HCl = As + SNCl4 + H2O =>
2 H3AsO4 + 5 SNCl2 + 10 HCl = 2 As + 5 SNCl4 + 8 H2O
CuSO4 + Zn = Cu + ZnSO4 =>
CuSO4 + Zn = Cu + ZnSO4
Zn + H2SO4 = ZnSO4 + H =>
Zn + H2SO4 = ZnSO4 + 2 H
C2H2Cl4 + CA(OH)2 = C2HCl3 + CACl2 + H2O =>
2 C2H2Cl4 + CA(OH)2 = 2 C2HCl3 + CACl2 + 2 H2O
Be(OH)2 + H2CO3 = BeCO3 + H2O =>
Be(OH)2 + H2CO3 = BeCO3 + 2 H2O
KCLO + HI = KCL + I2 + H2O =>
KCLO + 2 HI = KCL + I2 + H2O
Mg + Cl2 = MgCl2 =>
Mg + Cl2 = MgCl2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C + Pb2O = CO2 + Pb =>
C + 2 Pb2O = CO2 + 4 Pb
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
BaCl + ZnSO4 = BaSO4 + ZnCl =>
BaCl + ZnSO4 = BaSO4 + ZnCl
C2H6 + Cl2 = C2H2Cl + HCl =>
2 C2H6 + 5 Cl2 = 2 C2H2Cl + 8 HCl
CH + O2 = CO2 + H2O =>
4 CH + 5 O2 = 4 CO2 + 2 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
HClO + Ca(OH)2 = Ca(ClO)2 + H2O =>
2 HClO + Ca(OH)2 = Ca(ClO)2 + 2 H2O
Cr2O3 + K2CO3 + O2 = K2CrO4 + CO2 =>
2 Cr2O3 + 4 K2CO3 + 3 O2 = 4 K2CrO4 + 4 CO2
Ca(OH)2 + HCl = CaCl2 + H2O =>
Ca(OH)2 + 2 HCl = CaCl2 + 2 H2O
Ba + Na2SO4 = BaSO4 + Na =>
Ba + Na2SO4 = BaSO4 + 2 Na
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
NaOH + CH3COOH = NaCH3COO + H2O =>
NaOH + CH3COOH = NaCH3COO + H2O
H2SO3 + Pb(OH)4 = Pb2(SO3)4 + H2O =>
4 H2SO3 + 2 Pb(OH)4 = Pb2(SO3)4 + 8 H2O
NaI + AgNO3 = AgI + NaNO3 =>
NaI + AgNO3 = AgI + NaNO3
ZnCl2 + KI = ZnI2 + KCl =>
ZnCl2 + 2 KI = ZnI2 + 2 KCl
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
ZnO = Zn + O2 =>
2 ZnO = 2 Zn + O2
N2 + H2 + O2 = HNO3 =>
N2 + H2 + 3 O2 = 2 HNO3
Na2SO4 + Ba(NO3)2 = NaNO3 + BaSO4 =>
Na2SO4 + Ba(NO3)2 = 2 NaNO3 + BaSO4
Fe2O3(s) + CO(g) = Fe(s) + CO2(g) =>
Fe2O3(s) + 3 CO(g) = 2 Fe(s) + 3 CO2(g)
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Pb + AgNO3 = Pb(NO3)2 + Ag =>
Pb + 2 AgNO3 = Pb(NO3)2 + 2 Ag
Fe3O4 + H2SO4 = Fe2(SO4)3 + SO2 + H2O =>
2 Fe3O4 + 10 H2SO4 = 3 Fe2(SO4)3 + SO2 + 10 H2O
FeCO3 + H2SO4 = Fe2(SO4)3 + CO2 + SO2 + H2O =>
2 FeCO3 + 4 H2SO4 = Fe2(SO4)3 + 2 CO2 + SO2 + 4 H2O
Zn + HCl = ZnCl2 + H =>
Zn + 2 HCl = ZnCl2 + 2 H
Cl2 + NaI = NaCl + I2 =>
Cl2 + 2 NaI = 2 NaCl + I2
CH3CH2OH + MnO4 = CH3COOH + Mn + H2O =>
2 CH3CH2OH + MnO4 = 2 CH3COOH + Mn + 2 H2O
CaS + H2SO4 = CaSO4 + H2S =>
CaS + H2SO4 = CaSO4 + H2S
Al + CuSO4 = Al2(SO4)3 + Cu =>
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu
(Na3)(PO4) + Ca(Cl2) = NaCl + (Ca3)(PO4)2 =>
2(Na3)(PO4) + 3 Ca(Cl2) = 6 NaCl + (Ca3)(PO4)2
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
S + O2 = SO2 =>
S + O2 = SO2
NaHSO4 + NaOH = Na2SO4 + H2O =>
NaHSO4 + NaOH = Na2SO4 + H2O
(NH4)2SO4 + KOH = NH4OH + K2SO4 =>
(NH4)2SO4 + 2 KOH = 2 NH4OH + K2SO4
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