| Équations équilibrées la veille |
2 C6H8O7 + 3 CuCO3 = C12H10Cu3O14 + 3 H2O + 3 CO2
HIO = HIO3 + I2 + H2O =>
5 HIO = HIO3 + 2 I2 + 2 H2O
Na2CO3 + GeO2 + Fe2O3 = NaFeGe2O6 + CO2 =>
Na2CO3 + 4 GeO2 + Fe2O3 = 2 NaFeGe2O6 + CO2
FeCl3 + KCN = K3(Fe(CN)6) + KCl =>
FeCl3 + 6 KCN = K3(Fe(CN)6) + 3 KCl
Mg(NO3)2 + EDTA = MgEDTA + NO3 =>
Mg(NO3)2 + EDTA = MgEDTA + 2 NO3
C6H8O7 + CuCO3 = CuC6H6O7 + CO2 + H2O =>
C6H8O7 + CuCO3 = CuC6H6O7 + CO2 + H2O
Na2S2O3 + AgBr = Na5[Ag(S2O3)3] + NaBr =>
3 Na2S2O3 + AgBr = Na5[Ag(S2O3)3] + NaBr
Cu0 = Cu =>
Cu0 = Cu
C6H8O7 + CuCO3 = Cu3(C6H5O7)2 + H2O + CO2 =>
2 C6H8O7 + 3 CuCO3 = Cu3(C6H5O7)2 + 3 H2O + 3 CO2
NiCu2SO4 = Cu2NiSO4 =>
NiCu2SO4 = Cu2NiSO4
NaI + Cu(NO3)2 = CuI + I2 + NaNO3 =>
4 NaI + 2 Cu(NO3)2 = 2 CuI + I2 + 4 NaNO3
HI + FeCl3 = FeCl2 + I2 + HCl =>
2 HI + 2 FeCl3 = 2 FeCl2 + I2 + 2 HCl
CaOH2 + NO3 = Ca(NO3)2 + H2O =>
CaOH2 + 2 NO3 = Ca(NO3)2 + H2O
NiSO4 = Ni + SO2 + O2 =>
NiSO4 = Ni + SO2 + O2
ZnCuCl2 = CuZnCl2 =>
ZnCuCl2 = CuZnCl2
Ba(OH)2 + K2SO4 = BaSO4 + K2(OH)2 =>
Ba(OH)2 + K2SO4 = BaSO4 + K2(OH)2
Ca3P2 + KMnO4 + H2O = Ca(H2PO4)2 + MnO2 + KOH + Ca(oh)2 =>
Ca3P2 + 4 KMnO4 + 4 H2O = Ca(H2PO4)2 + 4 MnO2 + 4 KOH + Ca(oh)2
Fe(NO3)3(aq) + NH4OH(aq) = Fe(OH)3(s) + NH4NO3(aq) =>
Fe(NO3)3(aq) + 3 NH4OH(aq) = Fe(OH)3(s) + 3 NH4NO3(aq)
U3O8 + Ca = U + CaO =>
U3O8 + 8 Ca = 3 U + 8 CaO
PBr2 = P2Br4 =>
2 PBr2 = P2Br4
(NH4)2 + SO4 + NaCl = NH4Cl + NaSO4 =>
(NH4)2 + 2 SO4 + 2 NaCl = 2 NH4Cl + 2 NaSO4
Y + P4 = YP =>
4 Y + P4 = 4 YP
HNO3 + K2CrO4 + Fe(NO3) = KNO3 + Cr(NO3)3 + Fe(NO3)3 + H2O =>
16 HNO3 + 2 K2CrO4 + 3 Fe(NO3) = 4 KNO3 + 2 Cr(NO3)3 + 3 Fe(NO3)3 + 8 H2O
C7H6O + HNO3 = C7H5NO3 + H2O =>
C7H6O + HNO3 = C7H5NO3 + H2O
Na2CO3(ac) + MgSO4(ac) = MgCO3 + Na2SO4 =>
Na2CO3(ac) + MgSO4(ac) = MgCO3 + Na2SO4
Ni(OH)2(s) + H2SO4(aq) = NiSO4(aq) + H2O(l) =>
Ni(OH)2(s) + H2SO4(aq) = NiSO4(aq) + 2 H2O(l)
K2S3O6 + Cl2 + KOH = K2SO4 + KCl + H2O =>
K2S3O6 + 4 Cl2 + 12 KOH = 3 K2SO4 + 8 KCl + 6 H2O
Ta + Cl2 = TaCl5 =>
2 Ta + 5 Cl2 = 2 TaCl5
P2O5 + NaOH = H2O + Na3PO4 =>
P2O5 + 6 NaOH = 3 H2O + 2 Na3PO4
CH3COOCH3NaOH = CH3OHCH3CO2Na =>
CH3COOCH3NaOH = CH3OHCH3CO2Na
I5O2 + CO = I2 + CO2 =>
2 I5O2 + 4 CO = 5 I2 + 4 CO2
CH3CH2Br = HBr + C2H4 =>
CH3CH2Br = HBr + C2H4
Al + MgCl2 + H2O = AlCl3 + H2 + Mg(OH)2 =>
2 Al + 3 MgCl2 + 6 H2O = 2 AlCl3 + 3 H2 + 3 Mg(OH)2
CuSO3 + W(OH)5 = Cu(OH)2 + W2(SO3)5 =>
5 CuSO3 + 2 W(OH)5 = 5 Cu(OH)2 + W2(SO3)5
CrO + H{+} = Cr{2+} + H2O =>
CrO + 2 H{+} = Cr{2+} + H2O
MgSO4(aq) + HNO3(aq) = Mg(NO3)2(aq) + H2SO4(aq) =>
MgSO4(aq) + 2 HNO3(aq) = Mg(NO3)2(aq) + H2SO4(aq)
FeNO2 + NaCl = FeCl + NaNO2 =>
FeNO2 + NaCl = FeCl + NaNO2
Cr(s) + Cl2(g) = CrCl3(s) =>
2 Cr(s) + 3 Cl2(g) = 2 CrCl3(s)
Ln + H2SO4 = LnSO4 + S + H2O =>
3 Ln + 4 H2SO4 = 3 LnSO4 + S + 4 H2O
AgCl + NH3 = [Ag(NH3)] + Cl =>
AgCl + NH3 = [Ag(NH3)] + Cl
BaCl2 + K(SO4) = Ba(SO4)2 + KCl =>
BaCl2 + 2 K(SO4) = Ba(SO4)2 + 2 KCl
HCOOH + C3H8 = HCOOC3H7 + H2O =>
10 HCOOH + 6 C3H8 = 7 HCOOC3H7 + 6 H2O
PbCrO4 + CH3COOH = Pb{+2} + Cr2O7{-2} + CH3COO{-} + H2O =>
2 PbCrO4 + 2 CH3COOH = 2 Pb{+2} + Cr2O7{-2} + 2 CH3COO{-} + H2O
NO2 + KI + H2SO4 = I2 + NO + K2SO4 + H2O =>
NO2 + 2 KI + H2SO4 = I2 + NO + K2SO4 + H2O
NH4Cl + Fe2S3 = (NH4)2S + FeCl3 =>
6 NH4Cl + Fe2S3 = 3(NH4)2S + 2 FeCl3
Pb(NO3)2 + KBr2 = PbBr2 + K(NO3)2 =>
Pb(NO3)2 + KBr2 = PbBr2 + K(NO3)2
C2H3Cl + HCl = C2H4Cl2 =>
C2H3Cl + HCl = C2H4Cl2
PbCrO4 + CH3COOH = Pb{2+} + Cr2O7{2-} + CH3COO{-} + H2O =>
2 PbCrO4 + 2 CH3COOH = 2 Pb{2+} + Cr2O7{2-} + 2 CH3COO{-} + H2O
CH3CH2CH3 = CH3CHCH2 + H2 =>
CH3CH2CH3 = CH3CHCH2 + H2
KI + HCl = I2 + KCl + H2 =>
2 KI + 2 HCl = I2 + 2 KCl + H2
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