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2 Al2O3 = 4 Al + 3 O2
CrCl2 + Li2CO3 = Cr2CO3 + LiCl2 =>
2 CrCl2 + Li2CO3 = Cr2CO3 + 2 LiCl2
MnO + O2 = Mn2O3 =>
4 MnO + O2 = 2 Mn2O3
Cl2 + Br{-} = Cl{-} + Br2 =>
Cl2 + 2 Br{-} = 2 Cl{-} + Br2
AgCl + HNO3 = AgNO3 + HCl =>
AgCl + HNO3 = AgNO3 + HCl
Al(CH3COO)3(aq) + NaOH(aq) = Al(OH)3(s) + NaCH3COO(aq) =>
Al(CH3COO)3(aq) + 3 NaOH(aq) = Al(OH)3(s) + 3 NaCH3COO(aq)
Cl + I{-} = I + Cl{-}{} =>
Cl + I{-} = I + Cl{-}{}
CH3NH2 + HClO3 = ClO3 + HCH3NH2 =>
CH3NH2 + HClO3 = ClO3 + HCH3NH2
HCN + Na = NaCN + H2 =>
2 HCN + 2 Na = 2 NaCN + H2
RuI3(s) + CO(g) + Ag(s) = Ru(CO)5(s) + AgI(s) =>
RuI3(s) + 5 CO(g) + 3 Ag(s) = Ru(CO)5(s) + 3 AgI(s)
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
C32H66 + O2 = CO2 + H2O =>
2 C32H66 + 97 O2 = 64 CO2 + 66 H2O
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
Fe{+2)O{+2}+CO = Fe+CO{+2} =>
Fe{+2)O{+2}+CO = Fe+CO{+2}
CoCl2 + NaOH = Co(OH)2 + NaCl =>
CoCl2 + 2 NaOH = Co(OH)2 + 2 NaCl
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Na2CO3(s) + HCl(aq) = NaCl + CO2 + H2O =>
Na2CO3(s) + 2 HCl(aq) = 2 NaCl + CO2 + H2O
HCOH + Ag(NH3)2OH = CO2 + Ag + NH3 + H2O =>
HCOH + 4 Ag(NH3)2OH = CO2 + 4 Ag + 8 NH3 + 3 H2O
KClO3 + S + H2O = Cl2 + K2SO4 + H2SO4 =>
6 KClO3 + 5 S + 2 H2O = 3 Cl2 + 3 K2SO4 + 2 H2SO4
Al2O3 + HF = AlF3 + H2O =>
Al2O3 + 6 HF = 2 AlF3 + 3 H2O
Mg + H2O2 = MgO + H2O =>
Mg + H2O2 = MgO + H2O
BrFl3 = Br + Fl =>
BrFl3 = Br + 3 Fl
KNO3 + BeCl2 = KCl + Be(NO3)2 =>
2 KNO3 + BeCl2 = 2 KCl + Be(NO3)2
KCO + HNO3 = KNO3 + HCO =>
KCO + HNO3 = KNO3 + HCO
CF4 + Br = CBr4 + F =>
CF4 + 4 Br = CBr4 + 4 F
S2O8{-2} + I{-} = SO4{2-} + I2 =>
S2O8{-2} + 2 I{-} = 2 SO4{2-} + I2
CuSO4 + KCN = CuCN + K2SO4 + C2N2 =>
2 CuSO4 + 4 KCN = 2 CuCN + 2 K2SO4 + C2N2
CrS + HNO3 = Cr(NO3)3 + H2SO4 + NO + H2O =>
CrS + 6 HNO3 = Cr(NO3)3 + H2SO4 + 3 NO + 2 H2O
C2H5OH + CrO3 + H2SO4 = Cr2(SO4)3 + CO2 + H2O =>
C2H5OH + 4 CrO3 + 6 H2SO4 = 2 Cr2(SO4)3 + 2 CO2 + 9 H2O
NO2 + H2O = HNO + OH =>
NO2 + 2 H2O = HNO + 3 OH
C6H14O + O2 = CO + H2O =>
C6H14O + 6 O2 = 6 CO + 7 H2O
HC2H3O2 + NaHCO3 = CO2 + NaC2H3O2 + H2O =>
HC2H3O2 + NaHCO3 = CO2 + NaC2H3O2 + H2O
Zn + Fe(C2H3O2)2 = Zn(C2H3O2)2 + Fe =>
Zn + Fe(C2H3O2)2 = Zn(C2H3O2)2 + Fe
Ca{2+} + C2O4{2-} = CaC2O4 =>
Ca{2+} + C2O4{2-} = CaC2O4
KI + H2O2 = KOH + I =>
2 KI + H2O2 = 2 KOH + 2 I
Mg + Fe2(CO3)3 = MgCO3 + Fe =>
3 Mg + Fe2(CO3)3 = 3 MgCO3 + 2 Fe
Al(s) + HCl(g) = AlCl3(aq) + H2(g) =>
2 Al(s) + 6 HCl(g) = 2 AlCl3(aq) + 3 H2(g)
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
Pb + H3PO4 = H2 + Pb3(PO4)2 =>
3 Pb + 2 H3PO4 = 3 H2 + Pb3(PO4)2
Na2S + Ca(NO3)2 = NaNO3 + CaS =>
Na2S + Ca(NO3)2 = 2 NaNO3 + CaS
PO + O2 = P2O5 =>
4 PO + 3 O2 = 2 P2O5
C2H4O + H2 = C2H6 + H2O =>
C2H4O + 2 H2 = C2H6 + H2O
Ni(NO3)2*6H2O + Zn(NO3)2*6H2O + Fe(NO3)3*9H2O + CO(NH2)2 = Ni8Zn2Fe20O40 + N2 + CO2 + H2O =>
24 Ni(NO3)2*6H2O + 6 Zn(NO3)2*6H2O + 60 Fe(NO3)3*9H2O + 200 CO(NH2)2 = 3 Ni8Zn2Fe20O40 + 320 N2 + 200 CO2 + 1120 H2O
Li + Pb(OH)2 = LiOH + Pb =>
2 Li + Pb(OH)2 = 2 LiOH + Pb
CdCl2 + H2S = CdS + HCl =>
CdCl2 + H2S = CdS + 2 HCl
MnSO4 + NH4OH = Mn(OH)2 + (NH4)2SO4 =>
MnSO4 + 2 NH4OH = Mn(OH)2 + (NH4)2SO4
K2S + CdCl2 = KCl + CdS =>
K2S + CdCl2 = 2 KCl + CdS
Fe(NO3)3 + K2CO3 + H2O = Fe(OH)2NO3 + KNO3 + CO2 =>
Fe(NO3)3 + K2CO3 + H2O = Fe(OH)2NO3 + 2 KNO3 + CO2
S8 + F2 = SF6 =>
S8 + 24 F2 = 8 SF6
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
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