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2 CuO + 2 Na = 2 Cu + Na2O2
HI + NO2 = I2 + NO + H2O =>
2 HI + NO2 = I2 + NO + H2O
HPO3 + O3 = HPO4 =>
3 HPO3 + O3 = 3 HPO4
WO3 + H3 = W + H2O =>
WO3 + 2 H3 = W + 3 H2O
PH3 + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO)3 + H3PO4 + H2O =>
3 PH3 + K2Cr2O7 + 4 H2SO4 = K2SO4 + Cr2(SO)3 + 3 H3PO4 + 4 H2O
AlCl3 + Na2CO3 = Al2(CO3)3 + NaCl =>
2 AlCl3 + 3 Na2CO3 = Al2(CO3)3 + 6 NaCl
C6H5OH + Na2CO3 = C6H5ONa + NaHCO3 =>
C6H5OH + Na2CO3 = C6H5ONa + NaHCO3
KM3O4 + H2SO4 = K2SO4 + M4SO4 + H2O + O =>
4 KM3O4 + 5 H2SO4 = 2 K2SO4 + 3 M4SO4 + 5 H2O + 11 O
HClO4 + Li2CO3 = LiClO4 + H2O + CO2 =>
2 HClO4 + Li2CO3 = 2 LiClO4 + H2O + CO2
HBr + (NH4)SO3 = HSO3 + NH4Br =>
HBr + (NH4)SO3 = HSO3 + NH4Br
AgNO3(aq) + MgSO4(aq) = AgSO4(s) + MgNO3(aq) =>
AgNO3(aq) + MgSO4(aq) = AgSO4(s) + MgNO3(aq)
WO3 + H3 = W + H2O =>
WO3 + 2 H3 = W + 3 H2O
KMnO4 + H2SO4 + NaC2O4 = MnSO4 + CO2 + H2O + K2SO4 + Na2SO4 =>
2 KMnO4 + 8 H2SO4 + 10 NaC2O4 = 2 MnSO4 + 20 CO2 + 8 H2O + K2SO4 + 5 Na2SO4
C3H7COONH4 + HCl = C3H8 + NH4Cl + CO2 =>
C3H7COONH4 + HCl = C3H8 + NH4Cl + CO2
Fe(OH)3 + Si + OH{-} = SiO32{-} + Fe(OH)2 + H2O =>
63 Fe(OH)3 + Si + OH{-} = SiO32{-} + 63 Fe(OH)2 + 32 H2O
Zn + Pb2CH3COO = Pb + ZnCH3COO =>
Zn + Pb2CH3COO = 2 Pb + ZnCH3COO
Fe + S = (FeS)2 =>
2 Fe + 2 S = (FeS)2
Cd(NO3)2 + NH4Cl = CdCl2 + NH4NO3 =>
Cd(NO3)2 + 2 NH4Cl = CdCl2 + 2 NH4NO3
K3Po4 + CaCl2 = Ca3(Po4)2 + KCl =>
2 K3Po4 + 3 CaCl2 = Ca3(Po4)2 + 6 KCl
CO2 + H2O = C2H5OH + O2 =>
2 CO2 + 3 H2O = C2H5OH + 3 O2
Sn + HNO3 + HCl = SnCl4 + NO + H2O =>
3 Sn + 4 HNO3 + 12 HCl = 3 SnCl4 + 4 NO + 8 H2O
MnO2 + H2SO4 = MnSO4 + O2 + H2O =>
2 MnO2 + 2 H2SO4 = 2 MnSO4 + O2 + 2 H2O
Pd(CO3)2 = Pd + CO3 =>
Pd(CO3)2 = Pd + 2 CO3
KHSO4 + BaCl2 = Ba(HSO4)2 + KCl =>
2 KHSO4 + BaCl2 = Ba(HSO4)2 + 2 KCl
Na2S + CuCO3 = Na2CO3 + CuS =>
Na2S + CuCO3 = Na2CO3 + CuS
SrCl2(ac) + H2SO4(ac) = SrSO4(ac) + HCl(ac) =>
SrCl2(ac) + H2SO4(ac) = SrSO4(ac) + 2 HCl(ac)
N2H4 + O2 = NO2 + H2O =>
N2H4 + 3 O2 = 2 NO2 + 2 H2O
C9H8O4 + NaOH = NaC7H5O3 + NaC2O2H3 =>
3 C9H8O4 + 11 NaOH = NaC7H5O3 + 10 NaC2O2H3
Fe + S = (FeS)2 =>
2 Fe + 2 S = (FeS)2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Sn + HNO3 + HCl = H2SnCl6 + NO + H2O =>
3 Sn + 4 HNO3 + 18 HCl = 3 H2SnCl6 + 4 NO + 8 H2O
Fe(OH)3 + Si + OH{-} = SiO32{-} + Fe(OH)2 + H2O =>
63 Fe(OH)3 + Si + OH{-} = SiO32{-} + 63 Fe(OH)2 + 32 H2O
LiOH + Fe(NO3)3 = Li(NO3) + Fe(OH)3 =>
3 LiOH + Fe(NO3)3 = 3 Li(NO3) + Fe(OH)3
CuCl2(q) + Na2SO4(aq) = CuSO4 + NaCl(aq) =>
CuCl2(q) + Na2SO4(aq) = CuSO4 + 2 NaCl(aq)
Sn + HNO3 + HCl = SnCl4 + NO + H2O =>
3 Sn + 4 HNO3 + 12 HCl = 3 SnCl4 + 4 NO + 8 H2O
C6H5NO2 + CH3Cl = C7H7NO2 + HCl =>
C6H5NO2 + CH3Cl = C7H7NO2 + HCl
Fe + S = FeS2 =>
Fe + 2 S = FeS2
Sb2S3 + HNO3 = NO + H2SO4 + Sb2O5 + H2O =>
3 Sb2S3 + 28 HNO3 = 28 NO + 9 H2SO4 + 3 Sb2O5 + 5 H2O
Fe(OH)3 + Si + OH{-} = SiO32{-} + Fe(OH)2 + H2O =>
63 Fe(OH)3 + Si + OH{-} = SiO32{-} + 63 Fe(OH)2 + 32 H2O
FeCl3 + Cu = CuCl2 + Fe =>
2 FeCl3 + 3 Cu = 3 CuCl2 + 2 Fe
Fe + HNO3 = H2O + Fe(NO3)2 + NO =>
3 Fe + 8 HNO3 = 4 H2O + 3 Fe(NO3)2 + 2 NO
Sn + HNO3 + HCl = SnCl2 + NO + H2O =>
3 Sn + 2 HNO3 + 6 HCl = 3 SnCl2 + 2 NO + 4 H2O
C5H10O5 + NH3 + O2 = C5H9NO4 + H2O =>
2 C5H10O5 + 2 NH3 + O2 = 2 C5H9NO4 + 4 H2O
Sn + HNO3 + HCl = SnCl2 + NO + H2O =>
3 Sn + 2 HNO3 + 6 HCl = 3 SnCl2 + 2 NO + 4 H2O
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
(NH4)2MoS4 + HCl = MoS3 + NH4Cl + H2S =>
(NH4)2MoS4 + 2 HCl = MoS3 + 2 NH4Cl + H2S
K2C + H2SO4 = K2SO4 + H2C =>
K2C + H2SO4 = K2SO4 + H2C
HCl + HNO3 + Sn = SnCl4 + NO2 + NO + H2O =>
4 HCl + 2 HNO3 + Sn = SnCl4 + NO2 + NO + 3 H2O
CaCl2 + H2SO4 = Ca(HSO4)2 + HCl =>
CaCl2 + 2 H2SO4 = Ca(HSO4)2 + 2 HCl
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
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