| Équations équilibrées la veille |
2 Fe3{+} = {-}1e + 3 Fe2{+}
AlN + KOH + H2O = K(Al(OH)4) + NH3 =>
AlN + KOH + 3 H2O = K(Al(OH)4) + NH3
KMnO4 + Na2SO3 + H2SO4 = Na2SO4 + K2SO4 + MnSO4 + H2O =>
2 KMnO4 + 5 Na2SO3 + 3 H2SO4 = 5 Na2SO4 + K2SO4 + 2 MnSO4 + 3 H2O
CaI2(aq) + Hg(NO3)2(aq) = HgI2 + Ca(NO3)2 =>
CaI2(aq) + Hg(NO3)2(aq) = HgI2 + Ca(NO3)2
HgI2 + KCl = KI + HgCl2 =>
HgI2 + 2 KCl = 2 KI + HgCl2
Al2O + C + Cl = AlCl3 + CO =>
Al2O + C + 6 Cl = 2 AlCl3 + CO
H3PO4 + Ca(OH)2 = Ca3(PO4)2 + H2O =>
2 H3PO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 6 H2O
Sn + SbCl5 = SnCl2 + Sb =>
5 Sn + 2 SbCl5 = 5 SnCl2 + 2 Sb
AgNO3 + NaHCO3 = NaH(NO3)2 + Ag2CO3 =>
2 AgNO3 + NaHCO3 = NaH(NO3)2 + Ag2CO3
Sn + SbCl5 = SnCl2 + Sb =>
5 Sn + 2 SbCl5 = 5 SnCl2 + 2 Sb
VO2 + HBr = VBr4 + H2O =>
VO2 + 4 HBr = VBr4 + 2 H2O
O2 + CrCl3 = Cl2 + Cr2O3 =>
3 O2 + 4 CrCl3 = 6 Cl2 + 2 Cr2O3
C2H3ClO2 + KOH = C2HClO2K2 + H2O =>
C2H3ClO2 + 2 KOH = C2HClO2K2 + 2 H2O
O2 + Se = SeO2 =>
O2 + Se = SeO2
Sn(s) + I2(s) = Sn(I2)2(s) =>
Sn(s) + 2 I2(s) = Sn(I2)2(s)
K4FeC6N6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4FeC6N6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
H3PO4 + Ca(OH)2 = Ca3(PO4)2 + H2O =>
2 H3PO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 6 H2O
HPO3 + C = H2O + CO + P4 =>
4 HPO3 + 10 C = 2 H2O + 10 CO + P4
C2H4 + Brz = C2H4Brz =>
C2H4 + Brz = C2H4Brz
Al(s) + Ni(NO3)2(aq) = Al(NO3)3(aq) + Ni(aq) =>
2 Al(s) + 3 Ni(NO3)2(aq) = 2 Al(NO3)3(aq) + 3 Ni(aq)
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
Al(NO3)3 + Na2S = Al(S)3 + Na2NO3 =>
Al(NO3)3 + 3 Na2S = Al(S)3 + 3 Na2NO3
FeCl3(aq) + Na2CO3(aq) = Fe2(CO3)3(s) + NaCl(aq) =>
2 FeCl3(aq) + 3 Na2CO3(aq) = Fe2(CO3)3(s) + 6 NaCl(aq)
FeCl3*6H2O = Fe2O3 + H2O + HCl =>
2 FeCl3*6H2O = Fe2O3 + 9 H2O + 6 HCl
Na2S2O3 + H2SO4 + K2CrO7 = K2SO4 + Cr2(SO4)3 + Na2SO4 + H2O =>
9 Na2S2O3 + 11 H2SO4 + 8 K2CrO7 = 8 K2SO4 + 4 Cr2(SO4)3 + 9 Na2SO4 + 11 H2O
Rb2S + AlBr3 = RbBr + Al2S3 =>
3 Rb2S + 2 AlBr3 = 6 RbBr + Al2S3
K + H2S + O2 = K2S + H2O =>
4 K + 2 H2S + O2 = 2 K2S + 2 H2O
Fe(HCO3)2 + H2O = Fe(OH)2 + H2CO3 =>
Fe(HCO3)2 + 2 H2O = Fe(OH)2 + 2 H2CO3
CH3CH(OH)COOH + K2Cr2O7 + H2SO4 = CH3COCOOH + Cr2(SO4)3 + K2SO4 + H2O =>
3 CH3CH(OH)COOH + K2Cr2O7 + 4 H2SO4 = 3 CH3COCOOH + Cr2(SO4)3 + K2SO4 + 7 H2O
N = NN =>
2 N = NN
FeOH(NO3)2HNO3 = Fe(NO3)3 + H2O =>
FeOH(NO3)2HNO3 = Fe(NO3)3 + H2O
Al + BrO3 = Al(BrO3)3 =>
Al + 3 BrO3 = Al(BrO3)3
CH3CHCH2Br2 = CH3CHBrCH2Br =>
CH3CHCH2Br2 = CH3CHBrCH2Br
Pb{2+} + S{-2} = PbS =>
Pb{2+} + S{-2} = PbS
Fe2(SO4)3 + NH3 + H2O = Fe(OH)3 + (NH4)2SO4 =>
Fe2(SO4)3 + 6 NH3 + 6 H2O = 2 Fe(OH)3 + 3(NH4)2SO4
PbCl + NaOH = PbOH + NaCl =>
PbCl + NaOH = PbOH + NaCl
H2 + I2 = HI =>
H2 + I2 = 2 HI
K2Se + N2 = K3N + Se2 =>
6 K2Se + 2 N2 = 4 K3N + 3 Se2
Ag + F = AgF2 =>
Ag + 2 F = AgF2
CH2Cl2 = HCl + C =>
CH2Cl2 = 2 HCl + C
Co(OH) + NH4 + NH3 = [Co(NH3)6] + H2O =>
Co(OH) + NH4 + 5 NH3 = [Co(NH3)6] + H2O
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
Cr(C2H3O2)3 + BaS = Ba(C2H3O2)2 + Cr2S3 =>
2 Cr(C2H3O2)3 + 3 BaS = 3 Ba(C2H3O2)2 + Cr2S3
ZrO2 + BN + C = ZrBN + CO =>
ZrO2 + BN + 2 C = ZrBN + 2 CO
Ca{2+} + Cl{2-} = CaCl =>
Ca{2+} + Cl{2-} = CaCl
Fe + Pb(No3)2 = Fe(No3)2 + Pb2 =>
2 Fe + 2 Pb(No3)2 = 2 Fe(No3)2 + Pb2
Fe2(CO3)3 + HBrO3 = H2O + CO2 + Fe(BrO3)3 =>
Fe2(CO3)3 + 6 HBrO3 = 3 H2O + 3 CO2 + 2 Fe(BrO3)3
MnI2 + AgNO3 = AgI(s) + Mn(NO3)2 =>
MnI2 + 2 AgNO3 = 2 AgI(s) + Mn(NO3)2
K4SiO4 + NiCl2 = KCl + Ni2SiO4 =>
K4SiO4 + 2 NiCl2 = 4 KCl + Ni2SiO4
Al6O9*3SiO2 = Al6O9*2SiO2 + SiO2 =>
Al6O9*3SiO2 = Al6O9*2SiO2 + SiO2
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Équations équilibrées sur12/10/24
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