| Équations équilibrées la veille |
2 NaNO2 + 2 KI + 2 H2SO4 = I2 + 2 NO + Na2SO4 + K2SO4 + 2 H2O
P + Br2 = PBr3 =>
2 P + 3 Br2 = 2 PBr3
AlO(OH) + NaOH + H2O = Na[Al(OH)4] =>
AlO(OH) + NaOH + H2O = Na[Al(OH)4]
H2O + Fe(OH)2 + CrO4 = Fe(OH)3 + Cr(OH)4 =>
4 H2O + 4 Fe(OH)2 + CrO4 = 4 Fe(OH)3 + Cr(OH)4
C2H6O2 + NaOH = H2O + NaC2H5O2 =>
C2H6O2 + NaOH = H2O + NaC2H5O2
HClO4(aq) + CsOH(aq) = CsClO4(aq) + H2O(l) =>
HClO4(aq) + CsOH(aq) = CsClO4(aq) + H2O(l)
HCN + Fe = Fe(CN)3 + H2 =>
6 HCN + 2 Fe = 2 Fe(CN)3 + 3 H2
Ni(NO3)2 + N2H4 = NiH12N8O6 =>
Ni(NO3)2 + 3 N2H4 = NiH12N8O6
Ag + F = AgF2 =>
Ag + 2 F = AgF2
Fe(NO3)3 + NH4OH = Fe(OH)3 + NH4NO3 =>
Fe(NO3)3 + 3 NH4OH = Fe(OH)3 + 3 NH4NO3
HBr + Cl2 = HCl + Br2 =>
2 HBr + Cl2 = 2 HCl + Br2
Br2 + CH3Cl = CH2BrCl + HBr =>
Br2 + CH3Cl = CH2BrCl + HBr
CrO4{2-} + Fe(OH)2 + H2O = Cr2O3 + Fe(OH)3 + OH{-} =>
2 CrO4{2-} + 6 Fe(OH)2 + 5 H2O = Cr2O3 + 6 Fe(OH)3 + 4 OH{-}
C + KMnO4 = C2O + K2O + MnO2 =>
6 C + 2 KMnO4 = 3 C2O + K2O + 2 MnO2
Na2O = Na + O2 =>
2 Na2O = 4 Na + O2
Cr2O3 + Pb = Cr + PbO =>
Cr2O3 + 3 Pb = 2 Cr + 3 PbO
K2 + H2SO4 = K2SO4 + H =>
K2 + H2SO4 = K2SO4 + 2 H
CuCO3 + KOH = Cu(OH)2 + K2CO3 =>
CuCO3 + 2 KOH = Cu(OH)2 + K2CO3
Fe + S8 = FeS =>
8 Fe + S8 = 8 FeS
Ca(OH)2 + BaO = CaO + Ba(OH)2 =>
Ca(OH)2 + BaO = CaO + Ba(OH)2
SO3 + S = S2O3 =>
SO3 + S = S2O3
Cu(aq) + AgNO3(aq) = Cu(NO3)2 + Ag =>
Cu(aq) + 2 AgNO3(aq) = Cu(NO3)2 + 2 Ag
CaCl2 + I2 = CaI + Cl =>
2 CaCl2 + I2 = 2 CaI + 4 Cl
Cr(s) + HBr(aq) = CrBr2(aq) + H2(g) =>
Cr(s) + 2 HBr(aq) = CrBr2(aq) + H2(g)
BrO = Br2 + BrO3 =>
3 BrO = Br2 + BrO3
Fe2 + O4 = FeO =>
2 Fe2 + O4 = 4 FeO
P2O5(s) + H2O = H3PO4 =>
P2O5(s) + 3 H2O = 2 H3PO4
PbCl2 + NH3 = Pb(NH3)2 + Cl2 =>
PbCl2 + 2 NH3 = Pb(NH3)2 + Cl2
CuSO4 + HgNO3 = Cu(NO3)2 + Hg2(SO4) =>
CuSO4 + 2 HgNO3 = Cu(NO3)2 + Hg2(SO4)
AlBr3 + LiOH = Al(OH)3 + LiBr =>
AlBr3 + 3 LiOH = Al(OH)3 + 3 LiBr
Na3[Ag(S2O3)2] = Ag2S + Na2SO4 + S =>
2 Na3[Ag(S2O3)2] = Ag2S + 3 Na2SO4 + 4 S
N2 + H3O = NH3 + O2 =>
N2 + 2 H3O = 2 NH3 + O2
Fe2O3 + LiCl = FeCl3 + Li2O =>
Fe2O3 + 6 LiCl = 2 FeCl3 + 3 Li2O
NaOH + Ca(OH)2 + Cl2 = Ca(ClO)2 + NaCl + H2O =>
2 NaOH + Ca(OH)2 + 2 Cl2 = Ca(ClO)2 + 2 NaCl + 2 H2O
HCl(aq) + H2O(l) = H3O(aq) + Cl(l) =>
HCl(aq) + H2O(l) = H3O(aq) + Cl(l)
H2SO3 + Au = Au2(SO3) + H2 =>
H2SO3 + 2 Au = Au2(SO3) + H2
H{+} + Cr2O7{-}2 + C2H5OH = Cr3{+} + C2H4O + H2O =>
10 H{+} + 6 Cr2O7{-}2 + 37 C2H5OH = 4 Cr3{+} + 37 C2H4O + 42 H2O
Zn(NO3)2 + K3Fe(CN)6 = Zn(CN)2 + K3Fe(NO3)6 =>
3 Zn(NO3)2 + K3Fe(CN)6 = 3 Zn(CN)2 + K3Fe(NO3)6
FeCO3 + H3PO4 = Fe3(PO4)2 + CO2 + H2O =>
3 FeCO3 + 2 H3PO4 = Fe3(PO4)2 + 3 CO2 + 3 H2O
CH3CHBrCH2Br + KOH = CH3CHOHCH2OH + KBr =>
CH3CHBrCH2Br + 2 KOH = CH3CHOHCH2OH + 2 KBr
NaBr + NaClO + H2O = NaOH + NaCl + Br =>
2 NaBr + NaClO + H2O = 2 NaOH + NaCl + 2 Br
HSO + NaOH = HO + NaS =>
HSO + NaOH = 2 HO + NaS
Na2S2O3(s) + HCl(aq) = NaCl + SO2 + S + H2O =>
Na2S2O3(s) + 2 HCl(aq) = 2 NaCl + SO2 + S + H2O
Fe(NO3)2 + KOH = Fe(OH)2 + KNO3 =>
Fe(NO3)2 + 2 KOH = Fe(OH)2 + 2 KNO3
Na2SO3 + KMnO4 + HCl = Na2SO4 + MnCl2 + KCl + H2O =>
5 Na2SO3 + 2 KMnO4 + 6 HCl = 5 Na2SO4 + 2 MnCl2 + 2 KCl + 3 H2O
S6 + O2 = SO =>
S6 + 3 O2 = 6 SO
Cu2 + I = CuI =>
Cu2 + 2 I = 2 CuI
Fe(OH)3 + SO3 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 SO3 = Fe2(SO4)3 + 3 H2O
C4H8 + HCl = C4H7Cl + H2 =>
C4H8 + HCl = C4H7Cl + H2
KI + H3PO4 = K3PO4 + HI =>
3 KI + H3PO4 = K3PO4 + 3 HI
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Équations équilibrées sur10/23/24
Équations équilibrées sur11/22/23
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