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3 Zn + Fe2O3 = 2 Fe + 3 ZnO
BaSO3 = BaO + SO2 =>
BaSO3 = BaO + SO2
KMnO4 + NH3 = MnO2 + KOH + N2 + H2O =>
2 KMnO4 + 2 NH3 = 2 MnO2 + 2 KOH + N2 + 2 H2O
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
S2O3 + Br2 + H2O = SO4{2-} + Br{-)+H{+} =>
S2O3 + 3 Br2 + 5 H2O = 2 SO4{2-} + 6 Br{-)+10H{+}
H2CO3 + Ca(CO3) = Ca(HCO3)2 =>
H2CO3 + Ca(CO3) = Ca(HCO3)2
Sn + HCl = SnCl2 + H =>
Sn + 2 HCl = SnCl2 + 2 H
NaOH + H2O = Na(OH)2 + H2 =>
2 NaOH + 2 H2O = 2 Na(OH)2 + H2
Ca(s) + H2O(l) = Ca(OH)2 + H2(g) =>
Ca(s) + 2 H2O(l) = Ca(OH)2 + H2(g)
H2O + N2O4 + Br{-} = NO2{-} + BrO3{-} + H{+} =>
3 H2O + 3 N2O4 + Br{-} = 6 NO2{-} + BrO3{-} + 6 H{+}
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
C6H12O6 = C2H5OH + CO2 =>
C6H12O6 = 2 C2H5OH + 2 CO2
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
NaBH4 + BF3 = NaBF4 + B2H6 =>
3 NaBH4 + 4 BF3 = 3 NaBF4 + 2 B2H6
C2H4O = C2H4 + O2 =>
2 C2H4O = 2 C2H4 + O2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
H2NO3 + Ca(OH)2 = H2O + CaNO3 =>
H2NO3 + Ca(OH)2 = 2 H2O + CaNO3
Cu3N2 + NaOH = Cu(OH)2 + Na + N2 =>
Cu3N2 + 6 NaOH = 3 Cu(OH)2 + 6 Na + N2
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
(C6H5)NH + NaNO2 + HCl = NaCl + H2O + (C6H5)N2O =>
(C6H5)NH + NaNO2 + HCl = NaCl + H2O + (C6H5)N2O
H3PO4 + Mg(OH)2 = MgPO4 + H2O + H2 =>
2 H3PO4 + 2 Mg(OH)2 = 2 MgPO4 + 4 H2O + H2
PbCl2 + Li2S04 = LiCl + PbS04 =>
PbCl2 + Li2S04 = 2 LiCl + PbS04
Na + Cl2 + H2O = NaOCl + H2 =>
2 Na + Cl2 + 2 H2O = 2 NaOCl + 2 H2
[Ni(NH3)6]{+2} = Ni{+2} + NH3 =>
[Ni(NH3)6]{+2} = Ni{+2} + 6 NH3
Ba(OH)2 + H2ONH4SCN = Ba(SCN)2 + H2O + NH3 =>
Ba(OH)2 + 2 H2ONH4SCN = Ba(SCN)2 + 4 H2O + 2 NH3
Ti + HF = TiF6 + H2 =>
Ti + 6 HF = TiF6 + 3 H2
C3H8 + F2 = C3F8 + HF =>
C3H8 + 8 F2 = C3F8 + 8 HF
NaJO4 + Ag = AgJO4 + Na =>
NaJO4 + Ag = AgJO4 + Na
ZnO + KOH = K2O + Zn(OH)2 =>
ZnO + 2 KOH = K2O + Zn(OH)2
H2O2 + MnO4 = HO2 + Mn2O =>
7 H2O2 + 4 MnO4 = 14 HO2 + 2 Mn2O
Pb3O4 + C = Pb3 + CO2 =>
Pb3O4 + 2 C = Pb3 + 2 CO2
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
CrO3 + H2O + N2 = NH4(Cr2O7)2 =>
8 CrO3 + 4 H2O + N2 = 2 NH4(Cr2O7)2
C2H8O2 + N2O4 = N2 + CO2 + H2O =>
2 C2H8O2 + 3 N2O4 = 3 N2 + 4 CO2 + 8 H2O
KSO4 + H3O = KOH + H2SO4 =>
KSO4 + H3O = KOH + H2SO4
CN + O2 = CO2 + N2 =>
2 CN + 2 O2 = 2 CO2 + N2
AlNH(SO4)2*12H2O + NaOH = Al(OH)3 + Na2SO4 + NH2SO4 + H2O =>
AlNH(SO4)2*12H2O + 2 NaOH = Al(OH)3 + Na2SO4 + NH2SO4 + 11 H2O
As2S3 + NO3{-} + H2O = AsO4{3-} + S + NO + H3O{+} =>
3 As2S3 + 10 NO3{-} + 12 H2O = 6 AsO4{3-} + 9 S + 10 NO + 8 H3O{+}
AlO2SiO3 + HCl = AlO2SiO3H + Cl =>
AlO2SiO3 + HCl = AlO2SiO3H + Cl
MgCr2O7 + H2SO4 = MgH2 + Cr2O7SO4 =>
MgCr2O7 + H2SO4 = MgH2 + Cr2O7SO4
PO4H3 + Ca(OH)2 = H2O + PO4 + Ca =>
2 PO4H3 + 3 Ca(OH)2 = 6 H2O + 2 PO4 + 3 Ca
S + K3BiO4 + H2SO4 = H2O + K2SO4 + Bi2(SO4)3 =>
2 S + 6 K3BiO4 + 16 H2SO4 = 16 H2O + 9 K2SO4 + 3 Bi2(SO4)3
AlSO4 + BaCl2 = BaAl + Cl2SO4 =>
AlSO4 + BaCl2 = BaAl + Cl2SO4
Fe + O2{+} = Fe2{+} + O2 =>
2 Fe + O2{+} = Fe2{+} + O2
NaCl + Ag4 = AgCl + Na =>
4 NaCl + Ag4 = 4 AgCl + 4 Na
CaCO3 = CO2 + CaO =>
CaCO3 = CO2 + CaO
H2S + O2 = H2O + S6 =>
6 H2S + 3 O2 = 6 H2O + S6
Al + SnSO4 = Al2SO4 + Sn =>
2 Al + SnSO4 = Al2SO4 + Sn
K2SO3 + KBr + H2O = Br2 + KOH + S =>
K2SO3 + 4 KBr + 3 H2O = 2 Br2 + 6 KOH + S
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
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