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4 Au + Fe2 = 2 Au2Fe
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CrO = Cr{2+} + O{2-} =>
CrO = Cr{2+} + O{2-}
N2O3 + CaO = N2O5 + Ca =>
N2O3 + 2 CaO = N2O5 + 2 Ca
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
ErCl3 + NaOH = Er(OH)3 + NaCl =>
ErCl3 + 3 NaOH = Er(OH)3 + 3 NaCl
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
NaI + NaIO3 + H2SO4 = I2 + Na2SO4 + H2O =>
5 NaI + NaIO3 + 3 H2SO4 = 3 I2 + 3 Na2SO4 + 3 H2O
NaI + NaIO2 = NaIO =>
NaI + NaIO2 = 2 NaIO
C25H52 + H2O = CO2 + H2 =>
C25H52 + 50 H2O = 25 CO2 + 76 H2
Ca(NO3)2 + NaPO4 = Ca(PO4)2 + NaNO3 =>
Ca(NO3)2 + 2 NaPO4 = Ca(PO4)2 + 2 NaNO3
Zn(NO3)2 + NH2CONH2 = ZnO + H2O + N2 + CO2 =>
3 Zn(NO3)2 + 5 NH2CONH2 = 3 ZnO + 10 H2O + 8 N2 + 5 CO2
Pb + Pb{4+} = Pb{2+} =>
Pb + Pb{4+} = 2 Pb{2+}
C6H5COOH + H2O = H3O + C7H5O2 =>
C6H5COOH + H2O = H3O + C7H5O2
H2NbF7 + H2SO4 = H2NbF7H2SO4 =>
H2NbF7 + H2SO4 = H2NbF7H2SO4
C2H2 + O2 = CO2 + H2HO =>
3 C2H2 + 7 O2 = 6 CO2 + 2 H2HO
C2H3Cl + H2O = C2H3O + H2Cl =>
C2H3Cl + H2O = C2H3O + H2Cl
SO4 + NaCrO7 + H2SO = NaSO4 + Cr(SO4)3 + H2O =>
9 SO4 + 4 NaCrO7 + 7 H2SO = 4 NaSO4 + 4 Cr(SO4)3 + 7 H2O
AZ = A + Z =>
AZ = A + Z
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
CaCO3 + H2 = Ca + H2CO3 =>
CaCO3 + H2 = Ca + H2CO3
Cu + KOH = Cu(OH)2 + K =>
Cu + 2 KOH = Cu(OH)2 + 2 K
CH3COOH + NaHCO3 = NaC2H3O2 + H2O + CO2 =>
CH3COOH + NaHCO3 = NaC2H3O2 + H2O + CO2
Cr(s)Fe(NO)(aq) = Fe(s)Cr(NO)(aq) =>
Cr(s)Fe(NO)(aq) = Fe(s)Cr(NO)(aq)
Y3Al5O12 = Y2O3 + Al2O3 =>
2 Y3Al5O12 = 3 Y2O3 + 5 Al2O3
Hg2I2 + AgNO3 = AgI + HgNO3 =>
Hg2I2 + 2 AgNO3 = 2 AgI + 2 HgNO3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Na4P2O7 + H2O = Na2HPO4 =>
Na4P2O7 + H2O = 2 Na2HPO4
HClO2 + NaOH = ClO2 + NaCl + H2O =>
5 HClO2 + NaOH = 4 ClO2 + NaCl + 3 H2O
Sb + Cl2 = SbCl3 =>
2 Sb + 3 Cl2 = 2 SbCl3
H2SO4 + HF = SO2 + F2 + H2O =>
H2SO4 + 2 HF = SO2 + F2 + 2 H2O
H2SO4 + HI = H2S + I2 + H2O =>
H2SO4 + 8 HI = H2S + 4 I2 + 4 H2O
Zn2(s) + HCl(aq) = ZnCl2(aq) + H2(g) =>
Zn2(s) + 4 HCl(aq) = 2 ZnCl2(aq) + 2 H2(g)
C2 = C98 =>
49 C2 = C98
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
Li3N = Li + N2 =>
2 Li3N = 6 Li + N2
TeO2 + Cr2O7{2-} + H{+} + H2O = H6TeO6 + Cr{3+} =>
3 TeO2 + Cr2O7{2-} + 8 H{+} + 5 H2O = 3 H6TeO6 + 2 Cr{3+}
F + H2O = HF + OH =>
F + H2O = HF + OH
Ni3V2O8 + KOH = Ni3 + V2O8OH{-} + K{+} =>
Ni3V2O8 + KOH = Ni3 + V2O8OH{-} + K{+}
H3AsO3 + KMnO4 + H2SO4 = H3AsO4 + K2SO4 + MnO2 + H2O =>
3 H3AsO3 + 2 KMnO4 + H2SO4 = 3 H3AsO4 + K2SO4 + 2 MnO2 + H2O
NH4CN + H2O = NH4OH + HCN =>
NH4CN + H2O = NH4OH + HCN
Co(OH)3 + HCl = CoCl2 + Cl2 + H2O =>
2 Co(OH)3 + 6 HCl = 2 CoCl2 + Cl2 + 6 H2O
BaO2 + HCl = H2O2 + BaCl2 =>
BaO2 + 2 HCl = H2O2 + BaCl2
CS(NH2)2 + H3PO4 = CO(NH2)2H3PO3 + S =>
CS(NH2)2 + H3PO4 = CO(NH2)2H3PO3 + S
NaCI + F2 = NaF + CI =>
2 NaCI + F2 = 2 NaF + 2 CI
Al + Cu(OH)2 = Al(OH)3 + Cu =>
2 Al + 3 Cu(OH)2 = 2 Al(OH)3 + 3 Cu
BaOH8 + NH4NO3 = NH3 + Ba(NO3)2 + H2O =>
BaOH8 + 3 NH4NO3 = 4 NH3 + Ba(NO3)2 + 4 H2O
Cu + HNO3 = Cu(NO3)2 + NH2 + H2O =>
7 Cu + 16 HNO3 = 7 Cu(NO3)2 + 2 NH2 + 6 H2O
CrO = Cr{2+} + O{2-} =>
CrO = Cr{2+} + O{2-}
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