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4 Re + 7 O2 = 2 Re2O7
KO + H2O = HK + HO2 =>
KO + H2O = HK + HO2
Al2S3 + Ba(NO3)2 = Al(NO3)3 + BaS =>
Al2S3 + 3 Ba(NO3)2 = 2 Al(NO3)3 + 3 BaS
Cu2MnO4 + PbO = PbMnO4 + Cu2O =>
Cu2MnO4 + PbO = PbMnO4 + Cu2O
MnO4{-} + H2O + {-} = Mn{2+} + OH{-} =>
MnO4{-} + 4 H2O + 5e = Mn{2+} + 8 OH{-}
Sb2O3 + NO3 + H2O = H3SbO4 + NO =>
Sb2O3 + NO3 + 3 H2O = 2 H3SbO4 + NO
Mg(s) + FeCi3(aq) = Fe(s) + MgCi2(aq) =>
3 Mg(s) + 2 FeCi3(aq) = 2 Fe(s) + 3 MgCi2(aq)
Mg(CH3COO)2 + Na3PO4 = Mg3(PO4)2 + Na(CH3COO) =>
3 Mg(CH3COO)2 + 2 Na3PO4 = Mg3(PO4)2 + 6 Na(CH3COO)
(IO3){-} + (HSO3){-} = I{-} + SO4{2-} + H{+} =>
(IO3){-} + 3(HSO3){-} = I{-} + 3 SO4{2-} + 3 H{+}
Zn(s) + Pb(NO3)2(aq) = Pb(s) + Zn(NO3)2(aq) =>
Zn(s) + Pb(NO3)2(aq) = Pb(s) + Zn(NO3)2(aq)
Al(s) + FeSO4(aq) = Al2(SO4)3(aq) + Fe(s) =>
2 Al(s) + 3 FeSO4(aq) = Al2(SO4)3(aq) + 3 Fe(s)
AgNO3 + Pb(NO3)2 = AgPb + NO3 =>
AgNO3 + Pb(NO3)2 = AgPb + 3 NO3
C3H7OH(g) + O2(g) = CO2 + H2O =>
2 C3H7OH(g) + 9 O2(g) = 6 CO2 + 8 H2O
Cr2(OH)3 + HNO3 = Cr2(NO3)3 + H2O =>
Cr2(OH)3 + 3 HNO3 = Cr2(NO3)3 + 3 H2O
Cr(NO2)2 + (NH4)2SO4 = CrSO4 + NH4NO2 =>
Cr(NO2)2 + (NH4)2SO4 = CrSO4 + 2 NH4NO2
AlSO4 + KMnO4 + H2SO4 = Al2(SO4)3 + MnSO4 + K2SO4 + H2O =>
10 AlSO4 + 2 KMnO4 + 8 H2SO4 = 5 Al2(SO4)3 + 2 MnSO4 + K2SO4 + 8 H2O
H3O + CH3CO2 = HCH3CO2 + H2O =>
H3O + CH3CO2 = HCH3CO2 + H2O
Na6 + Cl4 = NaCl =>
2 Na6 + 3 Cl4 = 12 NaCl
CH3C3H3O2N2 + H2O = H2NH(CH3)COOH + CO2 + NH3 =>
2 CH3C3H3O2N2 + 6 H2O = 3 H2NH(CH3)COOH + 2 CO2 + NH3
CH3CH3CH3CH3CH3CH3CH3CH2OH + O2 = H2O + CO2 =>
2 CH3CH3CH3CH3CH3CH3CH3CH2OH + 27 O2 = 24 H2O + 16 CO2
HCl + Ag(NO3)3 = AgCl + H(NO3)3 =>
HCl + Ag(NO3)3 = AgCl + H(NO3)3
Ba + HBr = BrBa + H =>
Ba + HBr = BrBa + H
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Al(s) + H2O = Al2O3(aq) + H2(g) =>
2 Al(s) + 3 H2O = Al2O3(aq) + 3 H2(g)
Fe(NO3)2(aq) + K3PO4(aq) = Fe3(PO4)2 + KNO3 =>
3 Fe(NO3)2(aq) + 2 K3PO4(aq) = Fe3(PO4)2 + 6 KNO3
Pb(NO3)2 + H2SO4 = HNO3 + PbSO4 =>
Pb(NO3)2 + H2SO4 = 2 HNO3 + PbSO4
(Cu(NH3)4)*SO4*H2O + H2O = (Cu(NH3)4(H2O)2)*SO4 =>
(Cu(NH3)4)*SO4*H2O + H2O = (Cu(NH3)4(H2O)2)*SO4
BaO4 + HNO3 = Ba(NO)2 + H2O2 + O2 =>
BaO4 + 2 HNO3 = Ba(NO)2 + H2O2 + 3 O2
MnO4 + H = H2O + Mn =>
MnO4 + 8 H = 4 H2O + Mn
Na6 + Cl4 = NaCl =>
2 Na6 + 3 Cl4 = 12 NaCl
NO3 + H7O = NH3 + OH =>
NO3 + H7O = NH3 + 4 OH
Sn(OH)4 + HIO3 = Sn(IO3)4 + H2O =>
Sn(OH)4 + 4 HIO3 = Sn(IO3)4 + 4 H2O
CaCl2(aq) + KBr(aq) = CaBr2(g) + KCl(aq) =>
CaCl2(aq) + 2 KBr(aq) = CaBr2(g) + 2 KCl(aq)
Al2S3 + HNO3 = Al(NO3)3 + NO2 + H2O + H2SO4 =>
Al2S3 + 30 HNO3 = 2 Al(NO3)3 + 24 NO2 + 12 H2O + 3 H2SO4
CH3COOH + K(OH)3 = H2O + K(CH3COO)3 =>
3 CH3COOH + K(OH)3 = 3 H2O + K(CH3COO)3
C6H5NH2 + Br2 = C6H5NH2Br3 =>
2 C6H5NH2 + 3 Br2 = 2 C6H5NH2Br3
Cu2O(s) + C(s) = Cu(l) + CO(g) =>
Cu2O(s) + C(s) = 2 Cu(l) + CO(g)
H2S + H2SO4 = H2O + S =>
3 H2S + H2SO4 = 4 H2O + 4 S
Cu(NO3)2 + Al = Al2(NO3)3 + Cu =>
3 Cu(NO3)2 + 4 Al = 2 Al2(NO3)3 + 3 Cu
Na2S(aq) + ZnCl2(aq) = NaCl(aq) + SZn(s) =>
Na2S(aq) + ZnCl2(aq) = 2 NaCl(aq) + SZn(s)
HCl + Mg = (HCl)2Mg =>
2 HCl + Mg = (HCl)2Mg
CuCl2 + SeO2 + CO + CH3OCH2CH3 = CuSe2 + HCl + CO2 =>
4 CuCl2 + 8 SeO2 + 11 CO + CH3OCH2CH3 = 4 CuSe2 + 8 HCl + 14 CO2
HCI + Pb(NO3)2 = Pb + HCI(NO3)2 =>
HCI + Pb(NO3)2 = Pb + HCI(NO3)2
FeCl3 + RbOH = Fe(OH)3 + RbCl =>
FeCl3 + 3 RbOH = Fe(OH)3 + 3 RbCl
NaMnO4 + CaSO3 + Ca(OH)2 = CaMnO4 + Na2SO4 + H2O =>
2 NaMnO4 + CaSO3 + Ca(OH)2 = 2 CaMnO4 + Na2SO4 + H2O
HNO3 + AlP = H2PO4 + NO2 + Al(NO3)3 + H2O =>
12 HNO3 + AlP = H2PO4 + 9 NO2 + Al(NO3)3 + 5 H2O
Ba + Cl2 + Na(SO4)2 = NaCl + Ba(SO4)2 =>
2 Ba + Cl2 + 2 Na(SO4)2 = 2 NaCl + 2 Ba(SO4)2
HClO3 + KHCO3 = KClO3 + H2O + CO2 =>
HClO3 + KHCO3 = KClO3 + H2O + CO2
Na6 + Cl4 = NaCl =>
2 Na6 + 3 Cl4 = 12 NaCl
C2H6 + O2 = C3COOH + H2O =>
8 C2H6 + 15 O2 = 4 C3COOH + 22 H2O
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