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MgCO3 + 2 HCl = MgCl2 + H2O + CO2
KL + Pb(NO3)2 = KNO3 + PbL2 =>
2 KL + Pb(NO3)2 = 2 KNO3 + PbL2
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
KO2 + H2O = O2 + KOH =>
4 KO2 + 2 H2O = 3 O2 + 4 KOH
Cr2O3 + C = Cr + CO =>
Cr2O3 + 3 C = 2 Cr + 3 CO
Cr2O3 + C = Cr + CO2 =>
2 Cr2O3 + 3 C = 4 Cr + 3 CO2
FeSO4 + NH3 + H2O = Fe(OH)2 + (NH4)2SO4 =>
FeSO4 + 2 NH3 + 2 H2O = Fe(OH)2 + (NH4)2SO4
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
NH4NO3 + Ca(OH)2 = Ca(NO3)2 + NH3 + H2O =>
2 NH4NO3 + Ca(OH)2 = Ca(NO3)2 + 2 NH3 + 2 H2O
SiO2 + C + Cl2 = CO + SiCl4 =>
SiO2 + 2 C + 2 Cl2 = 2 CO + SiCl4
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Cu2O = Cu + O2 =>
2 Cu2O = 4 Cu + O2
PbBr2 + HCl = HBr + PbCl2 =>
PbBr2 + 2 HCl = 2 HBr + PbCl2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
KL + Cl2 = KCl + L2 =>
2 KL + Cl2 = 2 KCl + L2
Na2O + CO2 = Na2CO3 =>
Na2O + CO2 = Na2CO3
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
KL + Cl2 = KCl + L2 =>
2 KL + Cl2 = 2 KCl + L2
CuCO3 = CuO + CO2 =>
CuCO3 = CuO + CO2
SO3 = SO2 + O2 =>
2 SO3 = 2 SO2 + O2
V2O5 + CaS = CaO + V2S5 =>
V2O5 + 5 CaS = 5 CaO + V2S5
Fe2(SO4)3 + HfBr4 = FeBr3 + Hf(SO4)2 =>
2 Fe2(SO4)3 + 3 HfBr4 = 4 FeBr3 + 3 Hf(SO4)2
Fe(OH)2 + O2 = Fe2O3 + H2O =>
4 Fe(OH)2 + O2 = 2 Fe2O3 + 4 H2O
SiF4 + H2O = H2SiF6 + H2SiO3 =>
3 SiF4 + 3 H2O = 2 H2SiF6 + H2SiO3
FeSO4 + NH3 + H2O = Fe(OH)2 + (NH4)2SO4 =>
FeSO4 + 2 NH3 + 2 H2O = Fe(OH)2 + (NH4)2SO4
SiF4 + H2O = HF + H2SiO3 =>
SiF4 + 3 H2O = 4 HF + H2SiO3
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
SiF4 + H2O = HF + SiO2 =>
SiF4 + 2 H2O = 4 HF + SiO2
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
CaCl2 + NaF = CaF2 + NaCl =>
CaCl2 + 2 NaF = CaF2 + 2 NaCl
Hg2O = Hg + O2 =>
2 Hg2O = 4 Hg + O2
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
C6H12 + KMnO4 = C6H12KMnO4 =>
C6H12 + KMnO4 = C6H12KMnO4
C2H5OH + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + CH3CHO + H2O =>
3 C2H5OH + K2Cr2O7 + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + 3 CH3CHO + 7 H2O
B + NaOH = NaBO2 + H2 + Na2O =>
2 B + 6 NaOH = 2 NaBO2 + 3 H2 + 2 Na2O
ZnS(s) + O2(g) = ZnO(s) + SO2(g) =>
2 ZnS(s) + 3 O2(g) = 2 ZnO(s) + 2 SO2(g)
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Mg(OH)2 + NH4Cl = MgCl2 + NH3 + H2O =>
Mg(OH)2 + 2 NH4Cl = MgCl2 + 2 NH3 + 2 H2O
Cr2O3 + C = Cr + CO =>
Cr2O3 + 3 C = 2 Cr + 3 CO
Cr2O3 + C = Cr + CO2 =>
2 Cr2O3 + 3 C = 4 Cr + 3 CO2
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
Bi + HNO3 = Bi(NO3)3 + NO + H2O =>
Bi + 4 HNO3 = Bi(NO3)3 + NO + 2 H2O
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CaCl2 + NaOH = Ca(OH)2 + NaCl =>
CaCl2 + 2 NaOH = Ca(OH)2 + 2 NaCl
Cd + SnCl4 = CdCl + Sn4 =>
16 Cd + 4 SnCl4 = 16 CdCl + Sn4
B2O3 + Mg = MgO + B =>
B2O3 + 3 Mg = 3 MgO + 2 B
ZnO + C = Zn + CO =>
ZnO + C = Zn + CO
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
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