| Équations équilibrées la veille |
2 HCI + 2 Ag = 2 AgCI + H2
CHCHCHCHCHCH + KMnO4 + H2O = CHOHCHCHCHOHCHCH + MnO2 + KOH =>
3 CHCHCHCHCHCH + 2 KMnO4 + 4 H2O = 3 CHOHCHCHCHOHCHCH + 2 MnO2 + 2 KOH
K2Cr2O7 + HBr = CrBr3 + Br2 + H2O + KBr =>
K2Cr2O7 + 14 HBr = 2 CrBr3 + 3 Br2 + 7 H2O + 2 KBr
Fe + Be4 = Fe2Be8 =>
2 Fe + 2 Be4 = Fe2Be8
As2S3 + H2O + HNO3 + NaNO3 = Na2SO4 + H3AsO4 + NO =>
3 As2S3 + 4 H2O + 10 HNO3 + 18 NaNO3 = 9 Na2SO4 + 6 H3AsO4 + 28 NO
S2O3{-2} + MnO4{-} + H{+} = Mn{2+} + SO4{2-} + H2O =>
5 S2O3{-2} + 8 MnO4{-} + 14 H{+} = 8 Mn{2+} + 10 SO4{2-} + 7 H2O
HNO03 + Cu = Cu8NO392 + NO + H2O =>
782 HNO03 + 24 Cu = 3 Cu8NO392 + 779 NO + 391 H2O
Ba(OH)2 + H2(CO3) = BaCO3 + H2O =>
Ba(OH)2 + H2(CO3) = BaCO3 + 2 H2O
Pt{4+} + NO3{-} = Pt(NO3)4 =>
Pt{4+} + 4 NO3{-} = Pt(NO3)4
FeSO4 + Br = Fe2(SO4)3 + FeBr3 =>
3 FeSO4 + 3 Br = Fe2(SO4)3 + FeBr3
TiCl4 + C5H5N = TiC5H5N + Cl =>
TiCl4 + C5H5N = TiC5H5N + 4 Cl
K2CrO4 + KBr + H2SO4 = H2O + Br2 + Cr2(SO4)3 + K2SO4 =>
2 K2CrO4 + 6 KBr + 8 H2SO4 = 8 H2O + 3 Br2 + Cr2(SO4)3 + 5 K2SO4
C7H14 + O2 = OH + C =>
C7H14 + 7 O2 = 14 OH + 7 C
Fe + HCl = FeCl20 + H2 =>
Fe + 20 HCl = FeCl20 + 10 H2
Mn + MnO2 + H{-} = Mn{-2} + H2O =>
Mn + MnO2 + 4 H{-} = 2 Mn{-2} + 2 H2O
H3C6H5O7H2O + CaCO3 = Ca3(C6H5O7)2 + H2O + CO2 =>
2 H3C6H5O7H2O + 3 CaCO3 = Ca3(C6H5O7)2 + 5 H2O + 3 CO2
NH3 + HC1 = NH4 + C1 =>
NH3 + HC1 = NH4 + C1
H2SO3 + NaOH = H2O + NaHSO3 =>
H2SO3 + NaOH = H2O + NaHSO3
CrI3 + KOH + Cl2 = H2O + K2CrO4 + KCl + KIO4 =>
2 CrI3 + 64 KOH + 27 Cl2 = 32 H2O + 2 K2CrO4 + 54 KCl + 6 KIO4
Sb4 + O2 = Sb2O3 =>
Sb4 + 3 O2 = 2 Sb2O3
Al(S) + Cl2(g) = AlCl3(S) =>
2 Al(S) + 3 Cl2(g) = 2 AlCl3(S)
SO2H2O = H2SO3 =>
SO2H2O = H2SO3
PBr3 + H2O = HBr + P(OH)3 =>
PBr3 + 3 H2O = 3 HBr + P(OH)3
Cr + Ag + HCl = AgCl + HCr =>
Cr + Ag + HCl = AgCl + HCr
Ca + Al = Ca3Al2 =>
3 Ca + 2 Al = Ca3Al2
LiOH + SO3 = Li2SO4 + H2O =>
2 LiOH + SO3 = Li2SO4 + H2O
C8H10 + KMnO4 + H2SO4 = C8H6O4 + MnSO4 + K2SO4 + H2O =>
5 C8H10 + 12 KMnO4 + 18 H2SO4 = 5 C8H6O4 + 12 MnSO4 + 6 K2SO4 + 28 H2O
HBr(g) = H(g) + Br(g) =>
HBr(g) = H(g) + Br(g)
Fe + HNO3 = Fe(NO3)2 + NO2 + H2O =>
Fe + 4 HNO3 = Fe(NO3)2 + 2 NO2 + 2 H2O
Ba(NO3)2 + K2(SO4) = BaSO4 + KNO3 =>
Ba(NO3)2 + K2(SO4) = BaSO4 + 2 KNO3
HBr(g) = H2(g) + Br2(g) =>
2 HBr(g) = H2(g) + Br2(g)
Ag2SO3 + H2O = H2SO4 + Ag =>
Ag2SO3 + H2O = H2SO4 + 2 Ag
AgOH + H2S = Ag2S + H2O =>
2 AgOH + H2S = Ag2S + 2 H2O
Na2CrO4 = Na2Cr2O7 + Na2O =>
2 Na2CrO4 = Na2Cr2O7 + Na2O
CaCO3 + HNO3 = Ca(NO3)2 + CO2 + H2O =>
CaCO3 + 2 HNO3 = Ca(NO3)2 + CO2 + H2O
H2O + C2H3NO + H2SO4 = C2H4O3 + (NH4)HSO4 =>
2 H2O + C2H3NO + H2SO4 = C2H4O3 + (NH4)HSO4
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
N2O5 + BaO = Ba(NO2)2 + Ba(NO3)3 =>
7 N2O5 + 5 BaO = Ba(NO2)2 + 4 Ba(NO3)3
Na2S + Na2SO3 + HCl = H2O + S8 + Cl{-} + Na{+} =>
16 Na2S + 8 Na2SO3 + 48 HCl = 24 H2O + 3 S8 + 48 Cl{-} + 48 Na{+}
Ca2 + NaNO3 = Na + Ca2NO3 =>
Ca2 + NaNO3 = Na + Ca2NO3
Sb(OH)3 + H2SO4 = Sb2(SO4)3 + H2O =>
2 Sb(OH)3 + 3 H2SO4 = Sb2(SO4)3 + 6 H2O
Rb(s) + HOH(l) = RbOH(aq) + H2(g) =>
2 Rb(s) + 2 HOH(l) = 2 RbOH(aq) + H2(g)
Ca(OH)2 + Al + H2O = CaAl2(OH)8 + H2 =>
Ca(OH)2 + 2 Al + 6 H2O = CaAl2(OH)8 + 3 H2
Al + H2SO4 + H2O = [Al(H2O)6]2(SO4)3 + H2 =>
2 Al + 3 H2SO4 + 12 H2O = [Al(H2O)6]2(SO4)3 + 3 H2
Zn(s) + MgBr2(aq) = Mg(s) + ZnBr2(s) =>
Zn(s) + MgBr2(aq) = Mg(s) + ZnBr2(s)
KI + Pb(NO3){+2} = KNO3 + PbI{+2} =>
KI + Pb(NO3){+2} = KNO3 + PbI{+2}
(MnOH)2SO4 + HNO3 = Mn(NO3)2 + H2SO4 + H2O =>
(MnOH)2SO4 + 4 HNO3 = 2 Mn(NO3)2 + H2SO4 + 2 H2O
Sn + HNO3 = SnO2 + NO2 + H2O =>
Sn + 4 HNO3 = SnO2 + 4 NO2 + 2 H2O
Ge + HNO3 + HCl = H2GeCl6 + NO + H2O =>
3 Ge + 4 HNO3 + 18 HCl = 3 H2GeCl6 + 4 NO + 8 H2O
S{-2} + CrO4{-2} + H{+} = S + Cr{+3} + H2O =>
3 S{-2} + 2 CrO4{-2} + 16 H{+} = 3 S + 2 Cr{+3} + 8 H2O
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Équations équilibrées sur11/23/24
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