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2 Au + 3 CuBr2 = 3 Cu + 2 AuBr3
Fe + CuNO3 = Cu + Fe(NO3)2 =>
Fe + 2 CuNO3 = 2 Cu + Fe(NO3)2
Fe(SO4) + KOH = Fe(OH)2 + K2SO4 =>
Fe(SO4) + 2 KOH = Fe(OH)2 + K2SO4
Na2SO4 + MgCl2 = MgSO4 + NaCl =>
Na2SO4 + MgCl2 = MgSO4 + 2 NaCl
HClO4 = H + ClO4 =>
HClO4 = H + ClO4
Al2O3 + H2 = Al + H2O =>
Al2O3 + 3 H2 = 2 Al + 3 H2O
Br2 + OH{-} = Br{-} + BrO4{-} + H2O =>
4 Br2 + 8 OH{-} = 7 Br{-} + BrO4{-} + 4 H2O
ZnAl + HCl = Zn2Cl + AlCl3 + H2 =>
4 ZnAl + 14 HCl = 2 Zn2Cl + 4 AlCl3 + 7 H2
NO2 + O = N2O5 =>
2 NO2 + O = N2O5
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Cu2S + HNO3 = Cu2(SO4) + NO2 + H2O =>
Cu2S + 8 HNO3 = Cu2(SO4) + 8 NO2 + 4 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
HI + NaIO + HCl = NaCl + I2 + H2O =>
HI + NaIO + HCl = NaCl + I2 + H2O
Ca(OH)2 + HCl = CaCl2 + H2O =>
Ca(OH)2 + 2 HCl = CaCl2 + 2 H2O
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
Sn(NO3)4 = Sn(NO2)4 + O2 =>
Sn(NO3)4 = Sn(NO2)4 + 2 O2
Sr + (HSO3)2 = SrOH + SO2 =>
2 Sr + (HSO3)2 = 2 SrOH + 2 SO2
AsCl3 + H2S = As2S3 + HCl =>
2 AsCl3 + 3 H2S = As2S3 + 6 HCl
HBrO4 + KBr = KBrO4 + HBr =>
HBrO4 + KBr = KBrO4 + HBr
AgF + KOH = AgOH + KF =>
AgF + KOH = AgOH + KF
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
H2CO3 + Ca = CaCO3 + H2 =>
H2CO3 + Ca = CaCO3 + H2
Cl2 + CrBr3 = Br2 + CrCl3 =>
3 Cl2 + 2 CrBr3 = 3 Br2 + 2 CrCl3
NO2 + H2 = HNO2 =>
2 NO2 + H2 = 2 HNO2
Na2Cr2O7 + HCl = NaCl + CrCl3 + Cl2 + H2O =>
Na2Cr2O7 + 14 HCl = 2 NaCl + 2 CrCl3 + 3 Cl2 + 7 H2O
F2 + KCl = KF + Cl2 =>
F2 + 2 KCl = 2 KF + Cl2
Zn + AgNO3 = ZnO3 + AgN =>
Zn + AgNO3 = ZnO3 + AgN
MgO + I2O5 = Mg(IO3)2 =>
MgO + I2O5 = Mg(IO3)2
MgBr2 + KOH = KBr + Mg(OH)2 =>
MgBr2 + 2 KOH = 2 KBr + Mg(OH)2
CH3Cl + H2O = CH3HO + HCl =>
CH3Cl + H2O = CH3HO + HCl
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
Al2O3 + NaOH = NaAlO2 + H2O =>
Al2O3 + 2 NaOH = 2 NaAlO2 + H2O
O2 + Sn = SnO =>
O2 + 2 Sn = 2 SnO
NaNo3 + LiCl = NaLi + No3Cl =>
NaNo3 + LiCl = NaLi + No3Cl
C11H15NO2 + C6H10O3 = C15H17NO3 + CH3CH2OH + H2O =>
C11H15NO2 + C6H10O3 = C15H17NO3 + CH3CH2OH + H2O
C4H8O + HCl = C4H8Cl2 + H2O =>
C4H8O + 2 HCl = C4H8Cl2 + H2O
KNO2 + HCl = KO2 + NCl3 + H2 =>
2 KNO2 + 6 HCl = 2 KO2 + 2 NCl3 + 3 H2
RbNO3 + BeF2 = Be(NO3)2 + RbF =>
2 RbNO3 + BeF2 = Be(NO3)2 + 2 RbF
NaHCO3 + KOH = NaOH + KHCO3 =>
NaHCO3 + KOH = NaOH + KHCO3
HNO3 + Zn(OH)2 = Zn(OH)NO3 + H2O =>
HNO3 + Zn(OH)2 = Zn(OH)NO3 + H2O
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
W + I2 = WI3 =>
2 W + 3 I2 = 2 WI3
K2Cr2O7 + H2SO4 + (NH4)2SO3 = (NH4)2SO4 + H2O + K2SO4 + Cr2(SO4)3 =>
K2Cr2O7 + 4 H2SO4 + 3(NH4)2SO3 = 3(NH4)2SO4 + 4 H2O + K2SO4 + Cr2(SO4)3
NaHSO4 + Br2 = HBr + Na + SO4 =>
2 NaHSO4 + Br2 = 2 HBr + 2 Na + 2 SO4
V2W2C3F2 = WC + V6C5 + VF3 + V =>
15 V2W2C3F2 = 30 WC + 3 V6C5 + 10 VF3 + 2 V
Ag(NH3) + HNO3 = AgNO3 + NH4 =>
Ag(NH3) + HNO3 = AgNO3 + NH4
CuS + HCl = CuCl2 + H2S =>
CuS + 2 HCl = CuCl2 + H2S
Fe3O4 + K = K2O + Fe =>
Fe3O4 + 8 K = 4 K2O + 3 Fe
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