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2 H2O + O2 = 2 H2O2
PO3{3-} + MnO4{-} + H{+} = PO4{3-} + Mn{2+} + H2O =>
5 PO3{3-} + 2 MnO4{-} + 6 H{+} = 5 PO4{3-} + 2 Mn{2+} + 3 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Na2Se + Ca(OCl)2 + H2O = NaOH + Se + CaCl2 =>
2 Na2Se + Ca(OCl)2 + 2 H2O = 4 NaOH + 2 Se + CaCl2
Co + O2 = Co2O3 =>
4 Co + 3 O2 = 2 Co2O3
[Me4N]I + I2 = [Me4N]I5 =>
[Me4N]I + 2 I2 = [Me4N]I5
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
(NH4)3PO4 + Sr(OH)2 = Sr3(PO4)2 + NH4OH =>
2(NH4)3PO4 + 3 Sr(OH)2 = Sr3(PO4)2 + 6 NH4OH
Br2 + S + H2O = HBr + H2SO4 =>
3 Br2 + S + 4 H2O = 6 HBr + H2SO4
K2Cr2O7 + FeSO4 + H2SO4 = Cr2(SO4)3 + Fe2(SO4)3 + K2(SO4)3 + H2O =>
K2Cr2O7 + 2 FeSO4 + 7 H2SO4 = Cr2(SO4)3 + Fe2(SO4)3 + K2(SO4)3 + 7 H2O
C3H8 + O2 = H2O + C3O6 =>
C3H8 + 5 O2 = 4 H2O + C3O6
Na2SO4 + Ni(NO3)2 = NaNO3 + Ni(SO4) =>
Na2SO4 + Ni(NO3)2 = 2 NaNO3 + Ni(SO4)
Na + CaO = NaO2 + Ca =>
Na + 2 CaO = NaO2 + 2 Ca
SO2 + H2O = SO4{2-} + H{+} + e =>
SO2 + 2 H2O = SO4{2-} + 4 H{+} + 2e
AgNO3 + Al(NO3)3 = Ag(NO3)3 + AlNO3 =>
AgNO3 + Al(NO3)3 = Ag(NO3)3 + AlNO3
C2H5Br2 + KOH = C2H4OH + HBr + KBr =>
C2H5Br2 + KOH = C2H4OH + HBr + KBr
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
CH3CHOHCN + H2O + HCl = C3H6O3 + NH4Cl =>
CH3CHOHCN + 2 H2O + HCl = C3H6O3 + NH4Cl
Mg + AgNO3 = Mg3(NO3)2 + Ag =>
3 Mg + 2 AgNO3 = Mg3(NO3)2 + 2 Ag
H2S + BaSO4 = BaS + H2SO4 =>
H2S + BaSO4 = BaS + H2SO4
H2SO4 + ZnO = ZnSO4 + H2O =>
H2SO4 + ZnO = ZnSO4 + H2O
Ra + N2 = Ra3N2 =>
3 Ra + N2 = Ra3N2
PbO2 + Co{2+} + [C2O4]{2-} + H{+} = [Co(C2O4)3]{3-} + Pb{2+} + H2O =>
PbO2 + 2 Co{2+} + 6[C2O4]{2-} + 4 H{+} = 2[Co(C2O4)3]{3-} + Pb{2+} + 2 H2O
Mn + CuCl2 = Mn(Cl2)2 + Cu =>
Mn + 2 CuCl2 = Mn(Cl2)2 + 2 Cu
Fe + HNO3 = Fe(NO3)3 + (H) =>
Fe + 3 HNO3 = Fe(NO3)3 + 3(H)
S8(s) + Na2SO3(aq) + H2O(l) = (Na2S2O3)5H2O(s) =>
5 S8(s) + 40 Na2SO3(aq) + 8 H2O(l) = 8(Na2S2O3)5H2O(s)
KMnO4 + Na2S = K2S + MnO4{-} + Na{+} =>
2 KMnO4 + Na2S = K2S + 2 MnO4{-} + 2 Na{+}
Si + NaOH + H2O = NaSiO3 + H2 =>
2 Si + 2 NaOH + 4 H2O = 2 NaSiO3 + 5 H2
CH3COOH + NH3 = CH3CONH2 + H2O =>
CH3COOH + NH3 = CH3CONH2 + H2O
HCl + Cr = CrCl2 + H2 =>
2 HCl + Cr = CrCl2 + H2
BrO3{-} + AsO3{-3} = Br{-} + AsO4{-3} =>
BrO3{-} + 3 AsO3{-3} = Br{-} + 3 AsO4{-3}
V2O6 + CO = CO2 + V =>
V2O6 + 6 CO = 6 CO2 + 2 V
CuSO4H5 + O2 = H2O + CuSO4 =>
4 CuSO4H5 + 5 O2 = 10 H2O + 4 CuSO4
H + Br = H5Br =>
5 H + Br = H5Br
P4 + Cl2 = PCl5 =>
P4 + 10 Cl2 = 4 PCl5
ZnO + Sr(OH)4 = Sr[Zn(OH)4] + O =>
ZnO + Sr(OH)4 = Sr[Zn(OH)4] + O
MnO2 + K2CO2 + O2 = KMnO4 + CO2 =>
2 MnO2 + K2CO2 + 2 O2 = 2 KMnO4 + CO2
Fe + HNO3 = Fe(NO3)3 + (H) =>
Fe + 3 HNO3 = Fe(NO3)3 + 3(H)
AlBr3 + AgNO3 = AgBr + Al(NO3)3 =>
AlBr3 + 3 AgNO3 = 3 AgBr + Al(NO3)3
Na2MoO4 + HPO3 + HNO3 + NBr = (N)2(PMo12O40) + NaNO3 + HBr + H2O =>
48 Na2MoO4 + 4 HPO3 + 97 HNO3 + 7 NBr = 4(N)2(PMo12O40) + 96 NaNO3 + 7 HBr + 47 H2O
Al + BaSO4 = Al2(SO4)3 + Ba2 =>
4 Al + 6 BaSO4 = 2 Al2(SO4)3 + 3 Ba2
Ni + MgCl2 = NiCl2 + Mg =>
Ni + MgCl2 = NiCl2 + Mg
C2H4O2 + NaOH = NaCH3COO + H2O =>
C2H4O2 + NaOH = NaCH3COO + H2O
Al(OH)4(aq) + H2SO4(aq) = Al3(aq) + SO42(aq) + H2O(l) =>
39 Al(OH)4(aq) + 2 H2SO4(aq) = 13 Al3(aq) + 2 SO42(aq) + 80 H2O(l)
Fe + HNO3 = Fe(NO3)3 + (H) =>
Fe + 3 HNO3 = Fe(NO3)3 + 3(H)
Al + Hg(NO3)2 = Al(NO3)3 + HgAl =>
5 Al + 3 Hg(NO3)2 = 2 Al(NO3)3 + 3 HgAl
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
Ca + H2PO4 = Ca3(PO4)2 + H2 =>
3 Ca + 2 H2PO4 = Ca3(PO4)2 + 2 H2
KI + HNO3 = KNO3 + NO + I2 + H2O =>
6 KI + 8 HNO3 = 6 KNO3 + 2 NO + 3 I2 + 4 H2O
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