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2 Cu + S = Cu2S
H2O2 + I{-} = IO3{-} + H2O =>
3 H2O2 + I{-} = IO3{-} + 3 H2O
K4FeO4 + H2O = K2FeO4 + Fe2O3 + KOH =>
3 K4FeO4 + 5 H2O = K2FeO4 + Fe2O3 + 10 KOH
K2Cr2O7 + H2C2O4*2H2O + K2C2O4*H2O = CO2 + H2O + K3Cr(C2O4)3*3H2O =>
K2Cr2O7 + 7 H2C2O4*2H2O + 2 K2C2O4*H2O = 6 CO2 + 17 H2O + 2 K3Cr(C2O4)3*3H2O
Cr(OH)3 = Cr + O3 + H2O =>
2 Cr(OH)3 = 2 Cr + O3 + 3 H2O
H2S(aq) + Cl2(g) + OH = S(s) + Cl{-}(aq) + H2O{+} =>
H2S(aq) + Cl2(g) + 2 OH = S(s) + 2 Cl{-}(aq) + 2 H2O{+}
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
Fe1 + O2 = FeO =>
2 Fe1 + O2 = 2 FeO
Na2CO3 + CrO3 = Na2Cr2O7 + CO2 =>
Na2CO3 + 2 CrO3 = Na2Cr2O7 + CO2
Os(OH)2 + H2Si = OsSi + H2O =>
Os(OH)2 + H2Si = OsSi + 2 H2O
CHCH + Ag(NH3)2OH = (NH4)2CO3 + Ag + NH3 + H2O =>
CHCH + 10 Ag(NH3)2OH = 2(NH4)2CO3 + 10 Ag + 16 NH3 + 4 H2O
NaHSO4 + Na2HPO4 = Na3PO4 + H2SO4 =>
NaHSO4 + Na2HPO4 = Na3PO4 + H2SO4
Zn + Ba(OH)2 = Zn(OH) + Ba =>
2 Zn + Ba(OH)2 = 2 Zn(OH) + Ba
HY = Y + H2 =>
2 HY = 2 Y + H2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
[Cd(NH3)4]OH2 + NaOH = Na2Cd(OH)2 + NH3 + H2O =>
[Cd(NH3)4]OH2 + 2 NaOH = Na2Cd(OH)2 + 4 NH3 + H2O
Cu + S = Cu2S =>
2 Cu + S = Cu2S
Na3PO4 + Ca(OH)2 = Na3(OH)3 + Ca3(PO4)2 =>
2 Na3PO4 + 3 Ca(OH)2 = 2 Na3(OH)3 + Ca3(PO4)2
CuSO4 + FeCl2 = CuCl2 + Fe2(SO4)2 =>
2 CuSO4 + 2 FeCl2 = 2 CuCl2 + Fe2(SO4)2
NaC2H3O2 + H2SO4 = Na2SO4 + HC2H3O2 =>
2 NaC2H3O2 + H2SO4 = Na2SO4 + 2 HC2H3O2
Fe2(SO4)3 + KSCN = K3Fe(SCN)6 + K2SO4 =>
Fe2(SO4)3 + 12 KSCN = 2 K3Fe(SCN)6 + 3 K2SO4
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
HCOOH + H2O2 = HCOOOH + H2O =>
HCOOH + H2O2 = HCOOOH + H2O
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
SrCO3 + CH3COOH = Sr(CH3COOH) + CO3 =>
SrCO3 + CH3COOH = Sr(CH3COOH) + CO3
Na2O + Ca = Na2CaO =>
Na2O + Ca = Na2CaO
NH4Cl(aq) + AgNO3(aq) = AgCl(s) + NH4NO3(aq) =>
NH4Cl(aq) + AgNO3(aq) = AgCl(s) + NH4NO3(aq)
C4H9O6 + O2 = CO2 + H2O =>
4 C4H9O6 + 13 O2 = 16 CO2 + 18 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
NH4Cl(aq) + AgNO3(aq) = AgCl(s) + NH4NO3(aq) =>
NH4Cl(aq) + AgNO3(aq) = AgCl(s) + NH4NO3(aq)
FeCl3 + KCNS = [Fe(CNS)3] + KCl =>
FeCl3 + 3 KCNS = [Fe(CNS)3] + 3 KCl
FeCl2 + KMnO4 + HCl = FeCl3 + MnCl2 + H2O + KCl =>
5 FeCl2 + KMnO4 + 8 HCl = 5 FeCl3 + MnCl2 + 4 H2O + KCl
C23H38N7O17P3S = C21H36N7O16P3S + C25H40N7O18P3S =>
2 C23H38N7O17P3S = C21H36N7O16P3S + C25H40N7O18P3S
Mg2CO3 + H2SO4 = Mg2SO4 + H2O + CO2 =>
Mg2CO3 + H2SO4 = Mg2SO4 + H2O + CO2
K2Cr2O7 + H2C2O4*H2O = K[Cr(C2O4)2(H2O)2]*2H2O + CO2 + H2O =>
K2Cr2O7 + 7 H2C2O4*H2O = 2 K[Cr(C2O4)2(H2O)2]*2H2O + 6 CO2 + 6 H2O
FeOH + PbF = FeF + PbOH =>
FeOH + PbF = FeF + PbOH
N2 + H2SO4 = NSO4 + H2 =>
N2 + 2 H2SO4 = 2 NSO4 + 2 H2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
MnO2 + NaOH = Na2MnO3 + H2O =>
MnO2 + 2 NaOH = Na2MnO3 + H2O
Al(NO3)3(aq) + HCl(aq) = AlCl3(aq) + HNO3(aq) =>
Al(NO3)3(aq) + 3 HCl(aq) = AlCl3(aq) + 3 HNO3(aq)
Cu(s) + H2SO4(aq) = CuSO4(H2O)(aq) + SO2(g) + H2O(l) =>
Cu(s) + 2 H2SO4(aq) = CuSO4(H2O)(aq) + SO2(g) + H2O(l)
KOH + Cr2O3 = Cr(OH)3 + K2O =>
6 KOH + Cr2O3 = 2 Cr(OH)3 + 3 K2O
C4H10(g) + O2(g) = CO2(g) + H2O(g) =>
2 C4H10(g) + 13 O2(g) = 8 CO2(g) + 10 H2O(g)
MgBr{2+} + Cl = MgCl{2+} + Br =>
MgBr{2+} + Cl = MgCl{2+} + Br
AlCl3 + NaOH = Na3AlO3 + H2O + NaCl =>
AlCl3 + 6 NaOH = Na3AlO3 + 3 H2O + 3 NaCl
Fe2(SO4)3 + KSCN = K2SO4 + Fe(SCN)3 =>
Fe2(SO4)3 + 6 KSCN = 3 K2SO4 + 2 Fe(SCN)3
Fe(O)3 + Zn = Fe + ZnO =>
Fe(O)3 + 3 Zn = Fe + 3 ZnO
K + B2O3 = K2O + B =>
6 K + B2O3 = 3 K2O + 2 B
Sn + Cl2 = SnCl4 =>
Sn + 2 Cl2 = SnCl4
C2HCl3 + O2 = CO2 + H2O + Cl2 =>
4 C2HCl3 + 9 O2 = 8 CO2 + 2 H2O + 6 Cl2
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