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Na2O = 2 Na + O
Na(s) + O2(l) = Na2O(s) =>
4 Na(s) + O2(l) = 2 Na2O(s)
C2H3F + O2 = CO + H2O + HF =>
2 C2H3F + 3 O2 = 4 CO + 2 H2O + 2 HF
Pb(NO3)4(aq) + NaCl(aq) = PbCl4(s) + NaNO3(aq) =>
Pb(NO3)4(aq) + 4 NaCl(aq) = PbCl4(s) + 4 NaNO3(aq)
MgCI2 + F2 = CI2 + MgF2 =>
MgCI2 + F2 = CI2 + MgF2
Ag(OH) + K(CN)2 + H = AgK(CN)2 + H2O =>
Ag(OH) + K(CN)2 + H = AgK(CN)2 + H2O
C5H11OH + O2 = CO2 + H2O =>
2 C5H11OH + 15 O2 = 10 CO2 + 12 H2O
C3H9OHNaNH2 = C3H9NH2NaOH =>
C3H9OHNaNH2 = C3H9NH2NaOH
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
SrS + FrClO3 = Fr2S + Sr(ClO3)2 =>
SrS + 2 FrClO3 = Fr2S + Sr(ClO3)2
NaCl + Fe(SCN)2 = NaSCN + FeCl2 =>
2 NaCl + Fe(SCN)2 = 2 NaSCN + FeCl2
Ca(s) + N2(aq) = Ca3N2(s) =>
3 Ca(s) + N2(aq) = Ca3N2(s)
NaK + H2SO4 = Na2SO4 + H2K2 =>
2 NaK + H2SO4 = Na2SO4 + H2K2
HClO + H2O = HCl + OH =>
HClO + H2O = HCl + 2 OH
Li3PO4 + BaSO4 = Ba3(PO4)2 + Li2SO4 =>
2 Li3PO4 + 3 BaSO4 = Ba3(PO4)2 + 3 Li2SO4
Co(ClO4)2 + Na2CrO4 = CoCrO4 + NaClO4 =>
Co(ClO4)2 + Na2CrO4 = CoCrO4 + 2 NaClO4
Na(OH) + CaCl2 = Ca(OH) + NaCl2 =>
Na(OH) + CaCl2 = Ca(OH) + NaCl2
Ca(ClO)2 + Na2S2O3 + NaOH = CaSO3 + NaCl + H2O + Na2SO3 =>
Ca(ClO)2 + Na2S2O3 + 2 NaOH = CaSO3 + 2 NaCl + H2O + Na2SO3
LiAlH4 + Br2 = LiBr + AlBr3 + HBr =>
LiAlH4 + 4 Br2 = LiBr + AlBr3 + 4 HBr
H2CO3 + Ca3N2 = H3N + CaCO3 =>
3 H2CO3 + Ca3N2 = 2 H3N + 3 CaCO3
Cr(OH)3 + HClO4 = Cr(OH)2ClO4 + H2O =>
Cr(OH)3 + HClO4 = Cr(OH)2ClO4 + H2O
C7H5O6N3 + O2 = N2 + H2O + CO2 =>
4 C7H5O6N3 + 21 O2 = 6 N2 + 10 H2O + 28 CO2
Na2O + Cu = Na + CuO =>
Na2O + Cu = 2 Na + CuO
Pb(ClO2)4 + Zn(SO4) = Pb(SO4)2 + Zn(ClO2)2 =>
Pb(ClO2)4 + 2 Zn(SO4) = Pb(SO4)2 + 2 Zn(ClO2)2
Mg + NaF = Na + MgF2 =>
Mg + 2 NaF = 2 Na + MgF2
K2S + Hl = K2Hl + HlS =>
K2S + 2 Hl = K2Hl + HlS
C2H4 + O2 = CO2 + H2O0 =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O0
Hg + NaNO3 + H2SO4 = HgSO4 + NaNO2 + H2O =>
Hg + NaNO3 + H2SO4 = HgSO4 + NaNO2 + H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
FeCl3(s) + H2O(l) = HCl(aq) + Fe(OH)3 =>
FeCl3(s) + 3 H2O(l) = 3 HCl(aq) + Fe(OH)3
C4H6O2 + H2 = C4H10 + H2O =>
C4H6O2 + 4 H2 = C4H10 + 2 H2O
Ca(AlO2)2 + HCl = AlCl3 + Ca + Cl2 + H2O =>
Ca(AlO2)2 + 8 HCl = 2 AlCl3 + Ca + Cl2 + 4 H2O
Al + KOH = Al(OH)3 + K =>
Al + 3 KOH = Al(OH)3 + 3 K
MnOH + HBr = MnBr + H2O =>
MnOH + HBr = MnBr + H2O
Pb(NO3)2(aq) + H2SO4(aq) = PbH2 + SO4(NO3)2 =>
Pb(NO3)2(aq) + H2SO4(aq) = PbH2 + SO4(NO3)2
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
C6H12 + KMnO4 = C3H6O2 + KMnO2 =>
C6H12 + 2 KMnO4 = 2 C3H6O2 + 2 KMnO2
HgS + H2O2 = H2O + HgSO4 =>
HgS + 4 H2O2 = 4 H2O + HgSO4
Br{-} + SO42{-} + H{+} = Br2 + SO32{-} + H2O =>
20 Br{-} + SO42{-} + 20 H{+} = 10 Br2 + SO32{-} + 10 H2O
Cr2(SO4)3 + Na2S = Cr2S3 + Na2(SO4)1 =>
Cr2(SO4)3 + 3 Na2S = Cr2S3 + 3 Na2(SO4)1
HNo3 + O2 = No3 + H2O =>
4 HNo3 + O2 = 4 No3 + 2 H2O
CS2 + KMnO4 + KOH = S + MnO2 + K2CO3 + H2 =>
2 CS2 + 2 KMnO4 + 2 KOH = 4 S + 2 MnO2 + 2 K2CO3 + H2
Fe2O3 = FeO + O2 =>
2 Fe2O3 = 4 FeO + O2
SrCl2 + Cr2O3 = SrO + CrCl3 =>
3 SrCl2 + Cr2O3 = 3 SrO + 2 CrCl3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Zn + CaCO3 = ZnO + CaO + CO =>
Zn + CaCO3 = ZnO + CaO + CO
Pb(C2H3O2)2 + H2CO3 = PbCO3 + H2(C2H3O2)2 =>
Pb(C2H3O2)2 + H2CO3 = PbCO3 + H2(C2H3O2)2
HC3H3CO2 + NaOH = NaC3H3CO2 + H2O =>
HC3H3CO2 + NaOH = NaC3H3CO2 + H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
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