| Équations équilibrées la veille |
2 HF + 2 OH = 2 H2O + F2
BrO3{-} + H3O{+} + e = Br2 + H2O =>
2 BrO3{-} + 12 H3O{+} + 10e = Br2 + 18 H2O
Fe + Pb(C2H3O2)2 = Fe(C2H3O2)3 + Pb =>
2 Fe + 3 Pb(C2H3O2)2 = 2 Fe(C2H3O2)3 + 3 Pb
Ag + HCl = Ag(HCl) =>
Ag + HCl = Ag(HCl)
S2O32{-} + MnO4{-} + H3O{+} = SO42{-} + Mn2{+} + H2O =>
13 S2O32{-} + 206 MnO4{-} + 296 H3O{+} = 26 SO42{-} + 103 Mn2{+} + 444 H2O
HH + ClCl = HCl =>
HH + ClCl = 2 HCl
MnO2 + CrO3 = Mn + CrO4 =>
MnO2 + 2 CrO3 = Mn + 2 CrO4
Hg2{2+} + CrO4{2-}(aq) = Hg2CrO4 =>
Hg2{2+} + CrO4{2-}(aq) = Hg2CrO4
Cu2NO3 + H2O = HNO3 + Cu2OH =>
Cu2NO3 + H2O = HNO3 + Cu2OH
ZnO(s) + HCl = ZnCl2 + H2O(l) =>
ZnO(s) + 2 HCl = ZnCl2 + H2O(l)
NaNO3 + PbO = Pb(NO3)2 + Na2O =>
2 NaNO3 + PbO = Pb(NO3)2 + Na2O
Co + KI = CoI + K =>
Co + KI = CoI + K
Zn + HNO3 = Zn(NO3)2 + NH4NO3 + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + NH4NO3 + 3 H2O
K2Cr2O7 + SO2 + H2O = K[Cr(OH)4] + SO3 =>
K2Cr2O7 + 3 SO2 + 4 H2O = 2 K[Cr(OH)4] + 3 SO3
CrI2 + KHO + Cl2 = K2CrO4 + KIO4 + KCl + H2O =>
CrI2 + 24 KHO + 10 Cl2 = K2CrO4 + 2 KIO4 + 20 KCl + 12 H2O
Na2CO3 + Fe(NO3)3 + H2O = HNO3 + NaNO3 + FeCO3(OH) =>
Na2CO3 + Fe(NO3)3 + H2O = HNO3 + 2 NaNO3 + FeCO3(OH)
NH4Cl(s) + Ba(OH)2*8H2O(s) = NH3(aq) + BaCl2(aq) + H2O(l) =>
2 NH4Cl(s) + Ba(OH)2*8H2O(s) = 2 NH3(aq) + BaCl2(aq) + 10 H2O(l)
Cs2O(s) + H2O(l) = CsOH(aq) =>
Cs2O(s) + H2O(l) = 2 CsOH(aq)
ReO2 + O2 + NaOH = NaReO4 + H2O =>
4 ReO2 + 3 O2 + 4 NaOH = 4 NaReO4 + 2 H2O
AgNO3(aq) + NH3(aq) = [Ag(NH3)2]NO3(aq) =>
AgNO3(aq) + 2 NH3(aq) = [Ag(NH3)2]NO3(aq)
CH3OH + CuO = Cu + CH2O + H2O =>
CH3OH + CuO = Cu + CH2O + H2O
Fe{2+} + H{+} + MnO4{-} = Fe{3+} + Mn{2+} + H2O =>
5 Fe{2+} + 8 H{+} + MnO4{-} = 5 Fe{3+} + Mn{2+} + 4 H2O
Ni(ClO3)2 = NiCl2 + O2 =>
Ni(ClO3)2 = NiCl2 + 3 O2
Au + H2O = Au(OH)3 + H2 =>
2 Au + 6 H2O = 2 Au(OH)3 + 3 H2
Cl2O7 + KOH = KClO4 + H2O =>
Cl2O7 + 2 KOH = 2 KClO4 + H2O
C2H2 + HBr = C2HBr + H2 =>
C2H2 + HBr = C2HBr + H2
Al(s) + I2(s) = AlI3(s) =>
2 Al(s) + 3 I2(s) = 2 AlI3(s)
CuSO4 + O2 = CuO + SO4 =>
2 CuSO4 + O2 = 2 CuO + 2 SO4
Na2SO4 + NH4I = NaI + (NH4)2SO4 =>
Na2SO4 + 2 NH4I = 2 NaI + (NH4)2SO4
CH3CH2OH + H2O = CO2 + H =>
CH3CH2OH + 3 H2O = 2 CO2 + 12 H
RaCl2 + H3(PO4) = HCl + Ra3(PO4)2 =>
3 RaCl2 + 2 H3(PO4) = 6 HCl + Ra3(PO4)2
Br2 + AgNO3 = Ag + Br(NO3)2 =>
Br2 + 4 AgNO3 = 4 Ag + 2 Br(NO3)2
Mg2 + N3 = Mg3N2 =>
9 Mg2 + 4 N3 = 6 Mg3N2
Zn + LiBr = ZnBr2 + Li =>
Zn + 2 LiBr = ZnBr2 + 2 Li
NaOH + HCl = NaCl + HOH =>
NaOH + HCl = NaCl + HOH
Na3PO4 + Ba(ClO4)2 = Ba3(PO4)2 + NaClO4 =>
2 Na3PO4 + 3 Ba(ClO4)2 = Ba3(PO4)2 + 6 NaClO4
KClO3 + Na2S2O5 + NaOH = NaCl2 + H2O + K2SO4 + Na2SO4 =>
8 KClO3 + 11 Na2S2O5 + 18 NaOH = 4 NaCl2 + 9 H2O + 4 K2SO4 + 18 Na2SO4
H2SO4 + H3PO4 = H2 + H2PO4SO4 =>
2 H2SO4 + 2 H3PO4 = 3 H2 + 2 H2PO4SO4
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
C8H8O2 + C7H6O2 = C15H12O3 + H2O =>
C8H8O2 + C7H6O2 = C15H12O3 + H2O
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
HClO4 + CH3COONa = CH3ClO4 + HCOONa =>
HClO4 + CH3COONa = CH3ClO4 + HCOONa
Ca(s) + Br2(l) = CaBr2 =>
Ca(s) + Br2(l) = CaBr2
Na3PO4 + HCl = NaCl + H3PO4 =>
Na3PO4 + 3 HCl = 3 NaCl + H3PO4
K4[Fe(C2O4)3] + KMnO4 + H2SO4 = CO2 + K2SO4 + FeSO4 + MnSO4 + H2O =>
5 K4[Fe(C2O4)3] + 6 KMnO4 + 24 H2SO4 = 30 CO2 + 13 K2SO4 + 5 FeSO4 + 6 MnSO4 + 24 H2O
NiCl2 + (CH3CN) = [Ni(CH3CN)6]Cl2 =>
NiCl2 + 6(CH3CN) = [Ni(CH3CN)6]Cl2
Na2CO3 + NaH2PO4 = Na2HPO4 + CO2 + H2O =>
Na2CO3 + 2 NaH2PO4 = 2 Na2HPO4 + CO2 + H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Fe + Cu(NO3)2 = Fe(NO3)2 + Cu =>
Fe + Cu(NO3)2 = Fe(NO3)2 + Cu
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