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2 C2O = 4 C + O2
Na2CO3 + LiOH = Li2(CO3) + NaOH =>
Na2CO3 + 2 LiOH = Li2(CO3) + 2 NaOH
CoO = Co + O =>
CoO = Co + O
BaH2(s) + H2O(l) = Ba(OH)2 + H2 =>
BaH2(s) + 2 H2O(l) = Ba(OH)2 + 2 H2
Na2O + Li = Li2O + Na =>
Na2O + 2 Li = Li2O + 2 Na
CCl3CHO + Ca(OH)2 = CHCl3 + (HCOO)2Ca =>
2 CCl3CHO + Ca(OH)2 = 2 CHCl3 + (HCOO)2Ca
CoCl2*6H2O + H2O2 + NaOH = Co(OH)3 + NaCl + H2O =>
2 CoCl2*6H2O + H2O2 + 4 NaOH = 2 Co(OH)3 + 4 NaCl + 12 H2O
Na2CO3 + HC1O3 = NaC1O3 + CO2 + H2O =>
Na2CO3 + 2 HC1O3 = 2 NaC1O3 + CO2 + H2O
B2S3 + KClO3 = K2S + B(ClO3)3 =>
B2S3 + 6 KClO3 = 3 K2S + 2 B(ClO3)3
NaOH(aq) + AlCl3(g) = NaCl + Al(OH)3 =>
3 NaOH(aq) + AlCl3(g) = 3 NaCl + Al(OH)3
Na + PCl3 + C6H5Cl = C18H15P + NaCl =>
6 Na + PCl3 + 3 C6H5Cl = C18H15P + 6 NaCl
Fe{+3} + SCN{-} = FeSCN + SCN =>
Fe{+3} + 3 SCN{-} = FeSCN + 2 SCN
CaCl2 + Na2CO3 + H2O = Ca(OH)2 + Cl{-} + Na{+} + CO2 =>
CaCl2 + Na2CO3 + H2O = Ca(OH)2 + 2 Cl{-} + 2 Na{+} + CO2
CH2N2O2 + O2 = CO2 + H2O + N2 =>
2 CH2N2O2 + O2 = 2 CO2 + 2 H2O + 2 N2
C3H7Br + C4H9Br + Na = C7H16 + BrNa =>
C3H7Br + C4H9Br + 2 Na = C7H16 + 2 BrNa
Hg + HNO3 + HCl = HgCl2 + NOO + H2O =>
Hg + 2 HNO3 + 2 HCl = HgCl2 + 2 NOO + 2 H2O
Mg(s) + O2(g) + C(g) = MgCO3 =>
2 Mg(s) + 3 O2(g) + 2 C(g) = 2 MgCO3
MnCl2 + NaClO = Mn(ClO)2 + NaCl =>
MnCl2 + 2 NaClO = Mn(ClO)2 + 2 NaCl
C3F6 + SiO2 = C + SiF4 + O2 =>
2 C3F6 + 3 SiO2 = 6 C + 3 SiF4 + 3 O2
CKN + H2O = HCN + K + OH =>
CKN + H2O = HCN + K + OH
Fe(NO3)3 = Fe2O3 + NO2 + O2 =>
4 Fe(NO3)3 = 2 Fe2O3 + 12 NO2 + 3 O2
KC2O4 + FeCl3 = K3[Fe(C2O4)3] + Cl =>
3 KC2O4 + FeCl3 = K3[Fe(C2O4)3] + 3 Cl
Cu(OH)2 + NaOH + C6H12O6 = CuOH + H2O + Na2CO3 =>
24 Cu(OH)2 + 12 NaOH + C6H12O6 = 24 CuOH + 24 H2O + 6 Na2CO3
MoCl5 + Mo = Mo6Cl2 =>
2 MoCl5 + 28 Mo = 5 Mo6Cl2
Mh3N2 + H2O = Mh(OH)2 + NH3 =>
Mh3N2 + 6 H2O = 3 Mh(OH)2 + 2 NH3
Dy + Cl2 = Dy2Cl3 =>
4 Dy + 3 Cl2 = 2 Dy2Cl3
H2SiO3 + PbO2 = Pb(SiO3)2 + H2O =>
2 H2SiO3 + PbO2 = Pb(SiO3)2 + 2 H2O
NaOHHC6H2O(NO2)3 = NaC6H2O(NO2)3H2O =>
NaOHHC6H2O(NO2)3 = NaC6H2O(NO2)3H2O
HClO4 + HCl = Cl2 + H2O =>
HClO4 + 7 HCl = 4 Cl2 + 4 H2O
Fe(NO3)3 = Fe2O3 + NO2 + O2 =>
4 Fe(NO3)3 = 2 Fe2O3 + 12 NO2 + 3 O2
CuSO4 + Ba(NO3) = Cu(NO3) + BaSO4 =>
CuSO4 + Ba(NO3) = Cu(NO3) + BaSO4
C6H8O7 + O2 = CO2 + H2O =>
2 C6H8O7 + 9 O2 = 12 CO2 + 8 H2O
MgCl2 + Pb(NO3)2 = Mg(NO3)2 + Pb(Cl)2 =>
MgCl2 + Pb(NO3)2 = Mg(NO3)2 + Pb(Cl)2
HCl + AgNO3 = AgCl2 + H2NO3 =>
2 HCl + AgNO3 = AgCl2 + H2NO3
Pb + PbO2 + H2SO4 = PbSO4 + H2O =>
Pb + PbO2 + 2 H2SO4 = 2 PbSO4 + 2 H2O
PbCl2 + K2S = KCl + PbS =>
PbCl2 + K2S = 2 KCl + PbS
CrO3 + Cl2 = CrCl6 + O2 =>
2 CrO3 + 6 Cl2 = 2 CrCl6 + 3 O2
H2SO4 + NaCl = HCl + Na2SO4 =>
H2SO4 + 2 NaCl = 2 HCl + Na2SO4
H2SO4(aq) + Ba(OH)2 = BaSO4(aq) + H2O(l) =>
H2SO4(aq) + Ba(OH)2 = BaSO4(aq) + 2 H2O(l)
H2 + C2H4 = C2H6 =>
H2 + C2H4 = C2H6
FeS + Mg3(PO4)2 = Fe3(PO4)2 + MgS =>
3 FeS + Mg3(PO4)2 = Fe3(PO4)2 + 3 MgS
Al(s) + HBr = H2(g) + AlBr3(aq) =>
2 Al(s) + 6 HBr = 3 H2(g) + 2 AlBr3(aq)
Zn + CH3COOH = Zn(CH3COO)2 + H2 =>
Zn + 2 CH3COOH = Zn(CH3COO)2 + H2
Pb(C2H3O2)4 + K3PO4 = Pb3(PO4)4 + CH3CO2K =>
3 Pb(C2H3O2)4 + 4 K3PO4 = Pb3(PO4)4 + 12 CH3CO2K
NH4OH + ZnCl2 = ZnNH4 + Cl2OH =>
NH4OH + ZnCl2 = ZnNH4 + Cl2OH
C20H39O3Na + C2H6O2 = C22H45O5Na =>
C20H39O3Na + C2H6O2 = C22H45O5Na
Zn + (NH4)2WO4 + HCl = (WO2)2WO4 + ZnCl2 + NH4Cl + H2O =>
Zn + 3(NH4)2WO4 + 8 HCl = (WO2)2WO4 + ZnCl2 + 6 NH4Cl + 4 H2O
MnO4{-} + NO2{-} + H2O = MnO2 + NO3{-} + OH{-} =>
2 MnO4{-} + 3 NO2{-} + H2O = 2 MnO2 + 3 NO3{-} + 2 OH{-}
CaO + Al2O3 + Cl + H2O = Ca4Al2(OH)12Cl2*4H2O + OH =>
4 CaO + Al2O3 + 2 Cl + 11 H2O = Ca4Al2(OH)12Cl2*4H2O + 2 OH
Pb(NO3)3(aq) + Na2CO3(aq) = Pb2(CO3)3(s) + NaNO3(aq) =>
2 Pb(NO3)3(aq) + 3 Na2CO3(aq) = Pb2(CO3)3(s) + 6 NaNO3(aq)
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