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2 ZnO = 2 Zn + O2
C12H9NS + O2 = H2O + CO2 + SO2 + NO2 =>
4 C12H9NS + 65 O2 = 18 H2O + 48 CO2 + 4 SO2 + 4 NO2
BaCO3 + Y2O3 + Nb2O5 = Ba2YNbO6 + CO2 =>
4 BaCO3 + Y2O3 + Nb2O5 = 2 Ba2YNbO6 + 4 CO2
Cl2O + H2O = HClO =>
Cl2O + H2O = 2 HClO
Mn2S3 + O2 = Mn2O3 + S =>
2 Mn2S3 + 3 O2 = 2 Mn2O3 + 6 S
NiS2 + O2 = Ni2O3 + SO2 =>
4 NiS2 + 11 O2 = 2 Ni2O3 + 8 SO2
Cu(NO3)2 + GaI3 = CuI2 + Ga(NO3)3 =>
3 Cu(NO3)2 + 2 GaI3 = 3 CuI2 + 2 Ga(NO3)3
KNO3 + LiOH = KOH + LiNO3 =>
KNO3 + LiOH = KOH + LiNO3
H2SO4 + Na2S2O3 = Na2S2O6 + H2O + SO2 =>
3 H2SO4 + Na2S2O3 = Na2S2O6 + 3 H2O + 3 SO2
MgCl2 + NH3 + H2O = Mg(OH)2 + NH4Cl =>
MgCl2 + 2 NH3 + 2 H2O = Mg(OH)2 + 2 NH4Cl
C3H7COOH + CH3CH3 = C3H7COOCH3 + H2O =>
9 C3H7COOH + 2 CH3CH3 = 8 C3H7COOCH3 + 2 H2O
C6H12O6 + SO4{2-} = HCO3{-} + HS{-} + H{+} =>
C6H12O6 + 3 SO4{2-} = 6 HCO3{-} + 3 HS{-} + 3 H{+}
Cr(s) + NiSO4(aq) = Cr2(SO4)3(aq) + Ni(s) =>
2 Cr(s) + 3 NiSO4(aq) = Cr2(SO4)3(aq) + 3 Ni(s)
Ni(NO3)3(aq) + KBr(aq) = NiBr(aq) + K(NO3)3(aq) =>
Ni(NO3)3(aq) + KBr(aq) = NiBr(aq) + K(NO3)3(aq)
C5H5N + O2 = CO2 + H2O + NO2 =>
4 C5H5N + 29 O2 = 20 CO2 + 10 H2O + 4 NO2
CuSO4 + CH3COOH = (CH3COO)2Cu + H2SO4 =>
CuSO4 + 2 CH3COOH = (CH3COO)2Cu + H2SO4
HC8H4O4 + NaOH = NaC8H4O4 + H2O =>
HC8H4O4 + NaOH = NaC8H4O4 + H2O
AlBr3 + Cl(g) = AlCl3 + Br2(g) =>
2 AlBr3 + 6 Cl(g) = 2 AlCl3 + 3 Br2(g)
C2H2O4 + O2 = CO2 + H2O =>
2 C2H2O4 + O2 = 4 CO2 + 2 H2O
Li2(SO4) + Mg3(PO4)2 = Mg(SO4) + Li3(PO4) =>
3 Li2(SO4) + Mg3(PO4)2 = 3 Mg(SO4) + 2 Li3(PO4)
Na2CO3 + MgCl2 = Na2CO3MgCl2 =>
Na2CO3 + MgCl2 = Na2CO3MgCl2
NbCl5 = Nb + Cl5 =>
NbCl5 = Nb + Cl5
Cr2O7{-2} + U{+4} + H{+} = Cr{+3} + UO2{+2} + H2O =>
Cr2O7{-2} + 3 U{+4} + 2 H{+} = 2 Cr{+3} + 3 UO2{+2} + H2O
Na2Po4 + CaCI2 = Na2CI2 + Po4Ca =>
Na2Po4 + CaCI2 = Na2CI2 + Po4Ca
ClBrI + AgNO3 = AgClBrI + NO3 =>
ClBrI + AgNO3 = AgClBrI + NO3
FeSO4(aq) + Na2S(aq) = FeS(s) + Na2SO4(aq) =>
FeSO4(aq) + Na2S(aq) = FeS(s) + Na2SO4(aq)
I2 + F2 = IF5 =>
I2 + 5 F2 = 2 IF5
[Ag(NH3)2]Cl + HNO3 = AgCl + N2O + H2O =>
[Ag(NH3)2]Cl + 2 HNO3 = AgCl + 2 N2O + 4 H2O
Na + H4P2O7 = H2 + Na4P2O7 =>
4 Na + H4P2O7 = 2 H2 + Na4P2O7
(BiO)2CO3 + HCl = BiOCl + CO2 + H2O =>
(BiO)2CO3 + 2 HCl = 2 BiOCl + CO2 + H2O
NaAlO2 = Na + Al + O2 =>
NaAlO2 = Na + Al + O2
No + Cl2 = NoCl2 =>
No + Cl2 = NoCl2
Zn(NO3)2 + (NH4)2SO4 = ZnSO4 + NH4NO3 =>
Zn(NO3)2 + (NH4)2SO4 = ZnSO4 + 2 NH4NO3
Na2Co3 + Ca = CaCo3 + Na =>
Na2Co3 + Ca = CaCo3 + 2 Na
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
MgCl2 + NH4(NO3) = Mg(NO3)2 + (NH4)Cl =>
MgCl2 + 2 NH4(NO3) = Mg(NO3)2 + 2(NH4)Cl
C18H21NO3 + H2O = C18H20NO3 + H3O =>
C18H21NO3 + H2O = C18H20NO3 + H3O
Si + MnO2 = Mn2SiO4 =>
Si + 2 MnO2 = Mn2SiO4
Al + H2S = Al2S3 + H2 =>
2 Al + 3 H2S = Al2S3 + 3 H2
CuH2 + O2 = CuO + H2O =>
CuH2 + O2 = CuO + H2O
MgO(s) + H2O(l) = Mg(OH)2(aq) =>
MgO(s) + H2O(l) = Mg(OH)2(aq)
Fe(s) + HNO3(aq) = Fe(NO3)3(aq) + NO2(g) + H2O(l) =>
Fe(s) + 6 HNO3(aq) = Fe(NO3)3(aq) + 3 NO2(g) + 3 H2O(l)
FeS + K = K2S + Fe2 =>
2 FeS + 4 K = 2 K2S + Fe2
NCl3(s) = N2(g) + Cl2(g) =>
2 NCl3(s) = N2(g) + 3 Cl2(g)
CH3CH2NH2 + CH3I = CH3CH2NH2CH3 + I =>
CH3CH2NH2 + CH3I = CH3CH2NH2CH3 + I
K2TiO3 + HCl = TiCl4 + KCl + H2O =>
K2TiO3 + 6 HCl = TiCl4 + 2 KCl + 3 H2O
F2 + ZnCl2 = FCl + Zn =>
F2 + ZnCl2 = 2 FCl + Zn
AgOH + H2SO3 = Ag2SO3 + H2O =>
2 AgOH + H2SO3 = Ag2SO3 + 2 H2O
KMnO4 + H2SO4 + NaHSO3 = MnSO4 + K2SO4 + Na2SO4 + H2O =>
4 KMnO4 + H2SO4 + 10 NaHSO3 = 4 MnSO4 + 2 K2SO4 + 5 Na2SO4 + 6 H2O
C3H5O(COOH)3(aq) + NaOH(aq) = Na3C3H5O(COO)3(aq) + H2O(l) =>
C3H5O(COOH)3(aq) + 3 NaOH(aq) = Na3C3H5O(COO)3(aq) + 3 H2O(l)
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