| Équations équilibrées la veille |
4 CH3NH2 + 2 H2O = 3 CH4 + CO2 + 4 NH3
HNO2 + KMnO4 + H2SO4 = MnSO4 + HNO3 + K2SO4 + H2O =>
5 HNO2 + 2 KMnO4 + 3 H2SO4 = 2 MnSO4 + 5 HNO3 + K2SO4 + 3 H2O
CrI3 + Cl + NaOH = Na2CrO4 + NaIO4 + NaCl + H2O =>
CrI3 + 27 Cl + 32 NaOH = Na2CrO4 + 3 NaIO4 + 27 NaCl + 16 H2O
Cu{2+} + CN{-} = CuCN + (CN)2 =>
2 Cu{2+} + 4 CN{-} = 2 CuCN + (CN)2
BaCl2*2H2O(s) = BaCl2(s) + H2O(g) =>
BaCl2*2H2O(s) = BaCl2(s) + 2 H2O(g)
C + H2 + O2 = C8H18O =>
16 C + 18 H2 + O2 = 2 C8H18O
C3H7NH2 + HCl = C3H7NH3 + Cl =>
C3H7NH2 + HCl = C3H7NH3 + Cl
K2CO3 + CdI2 = KI + Cd2(CO3)2 =>
2 K2CO3 + 2 CdI2 = 4 KI + Cd2(CO3)2
MnO2 + OH{-} = MnO4{-} + H2O + {-} =>
MnO2 + 4 OH{-} = MnO4{-} + 2 H2O + 3e
HOOCCOOH + NaOH = HOOCCOONa + H2O =>
HOOCCOOH + NaOH = HOOCCOONa + H2O
Pb2{+} + Cd = Pb + Cd2{+} =>
Pb2{+} + 2 Cd = 2 Pb + Cd2{+}
C4H4 + H2 = C2H6 =>
C4H4 + 4 H2 = 2 C2H6
Ca(NO3)2(aq) + K2CO3(aq) = CaCO3(s) + KNO3(aq) =>
Ca(NO3)2(aq) + K2CO3(aq) = CaCO3(s) + 2 KNO3(aq)
CH3COONH4 + H2O = CH3COONH3 + H3O =>
CH3COONH4 + H2O = CH3COONH3 + H3O
Na3PO4(aq) + KNO3(aq) = NaNO3(aq) + K3PO4(s) =>
Na3PO4(aq) + 3 KNO3(aq) = 3 NaNO3(aq) + K3PO4(s)
KMnO4 + H2C2O4 + H2SO4 = MnSO4 + K2SO4 + CO2 + H2O =>
2 KMnO4 + 5 H2C2O4 + 3 H2SO4 = 2 MnSO4 + K2SO4 + 10 CO2 + 8 H2O
H{+} + Cr2O7{2-} + C2H5OH = Cr3{+} + C2H4O + H2O =>
8 H{+} + 3 Cr2O7{2-} + 17 C2H5OH = 2 Cr3{+} + 17 C2H4O + 21 H2O
Fe3C + O2 = CO2 + Fe3O4 =>
Fe3C + 3 O2 = CO2 + Fe3O4
Ca(OH)2(s) + H3PO4(aq) = Ca3(PO4)2(s) + H2O =>
3 Ca(OH)2(s) + 2 H3PO4(aq) = Ca3(PO4)2(s) + 6 H2O
As2S3 + NO3{-} + H2O = AsO4{3-} + S + NO + H3O{+} =>
3 As2S3 + 10 NO3{-} + 12 H2O = 6 AsO4{3-} + 9 S + 10 NO + 8 H3O{+}
CaSO4 = CaO + SO2 + O2 =>
2 CaSO4 = 2 CaO + 2 SO2 + O2
Cd(NO3)2(aq) + NaOH(aq) = Cd(OH)2(s) + NaNO3(aq) =>
Cd(NO3)2(aq) + 2 NaOH(aq) = Cd(OH)2(s) + 2 NaNO3(aq)
Na2B4O7 + H2O = NaH2BO3 + H3BO3 =>
Na2B4O7 + 5 H2O = 2 NaH2BO3 + 2 H3BO3
Mg + SnF2 = MgF2 + Sn =>
Mg + SnF2 = MgF2 + Sn
Ag(s) + S = Ag2S(s) =>
2 Ag(s) + S = Ag2S(s)
NaClOH2O = NaOHHClO =>
NaClOH2O = NaOHHClO
NaI + H2SO4 = H2S + I2 + Na2SO4 + H2O =>
8 NaI + 5 H2SO4 = H2S + 4 I2 + 4 Na2SO4 + 4 H2O
Ca(OH)2(s) + H3Po4(aq) = H2O(l) + Ca3(Po4)2(s) =>
3 Ca(OH)2(s) + 2 H3Po4(aq) = 6 H2O(l) + Ca3(Po4)2(s)
NaOH + C8H5O4K = H2O + C8H4O4KNa =>
NaOH + C8H5O4K = H2O + C8H4O4KNa
CH3CH2CH2OH + K = K2O + CH3CH2CH3 =>
CH3CH2CH2OH + 2 K = K2O + CH3CH2CH3
SO3 + H = SO2 + H2O =>
SO3 + 2 H = SO2 + H2O
C4H7NO4 + O2 = CO2 + H2O + CH4ON2 =>
2 C4H7NO4 + 6 O2 = 7 CO2 + 5 H2O + CH4ON2
Na2ZnO2 + H2SO4 = NaHSO4 + ZnSO4 + H2O =>
Na2ZnO2 + 3 H2SO4 = 2 NaHSO4 + ZnSO4 + 2 H2O
N2O3 + H2O = HNO2 =>
N2O3 + H2O = 2 HNO2
LiOH(aq) + Al(NO3)3(aq) = Li(NO3)(aq) + Al(OH)3(s) =>
3 LiOH(aq) + Al(NO3)3(aq) = 3 Li(NO3)(aq) + Al(OH)3(s)
Zn + NO2 = Zn(NO2)2 =>
Zn + 2 NO2 = Zn(NO2)2
Fe + C6H7O8 + H3PO4 = H2O + FeH2PO4 + C6H6 =>
15 Fe + C6H7O8 + 15 H3PO4 = 8 H2O + 15 FeH2PO4 + C6H6
CuSO4 + Cl = CuCl + SO4 =>
CuSO4 + Cl = CuCl + SO4
K2SO4 + ZnO = K2O + ZnSO4 =>
K2SO4 + ZnO = K2O + ZnSO4
Cl + SO2 = SO2Cl2 =>
2 Cl + SO2 = SO2Cl2
K2CrO4 + H2O2 = CrO2 + O2 + KOH =>
K2CrO4 + H2O2 = CrO2 + O2 + 2 KOH
C20H40O2S + O2 = CO2 + SO2 + H2O =>
C20H40O2S + 30 O2 = 20 CO2 + SO2 + 20 H2O
C6H8O7 + OH = C6H6O7 + H2O =>
C6H8O7 + 2 OH = C6H6O7 + 2 H2O
Au + HCl = AuCl3 + H2 =>
2 Au + 6 HCl = 2 AuCl3 + 3 H2
Cl + Ca(OH)2 = Ca(OCl)2 + CaCl2 + H2O =>
4 Cl + 2 Ca(OH)2 = Ca(OCl)2 + CaCl2 + 2 H2O
Mn{2+} + BiO3 + H{+} = MnO4 + Bi{3+} + H2O =>
Mn{2+} + 2 BiO3 + 4 H{+} = MnO4 + 2 Bi{3+} + 2 H2O
Hg2S + O2 = Hg + SO3 =>
2 Hg2S + 3 O2 = 4 Hg + 2 SO3
Fe{3+} + Cl{-} = Fe{2+} + Cl =>
Fe{3+} + Cl{-} = Fe{2+} + Cl
Al(NO3)3 + KSCN = Al(SCN)3 + KNO3 =>
Al(NO3)3 + 3 KSCN = Al(SCN)3 + 3 KNO3
AgNO3 + Ba(NO3)2 = BaNO3 + Ag(NO3)2 =>
AgNO3 + Ba(NO3)2 = BaNO3 + Ag(NO3)2
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Équations équilibrées sur10/26/24
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