| Équations équilibrées la veille |
4 H2O + 3 CH2CH2 + 2 MnO4{-} = 2 MnO2 + 3 CH2OHCH2OH + 2 OH{-}
Cu(NH3)2OH + C2H2 = Cu2C2 + NH3 + H2O =>
2 Cu(NH3)2OH + C2H2 = Cu2C2 + 4 NH3 + 2 H2O
Zn(NO3)2 = ZnO + NO2 + O2 =>
2 Zn(NO3)2 = 2 ZnO + 4 NO2 + O2
CH4 + SO2 = CS2 + H2O + CO2 =>
3 CH4 + 4 SO2 = 2 CS2 + 6 H2O + CO2
CrO4 + NaOH = Cr(OH)4 + NaO =>
CrO4 + 4 NaOH = Cr(OH)4 + 4 NaO
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
HNO3MgO = MgNO3HO =>
HNO3MgO = MgNO3HO
K2CO3 = K2O + CO2 =>
K2CO3 = K2O + CO2
Pb + CO2 + O2 = PbCO3 =>
2 Pb + 2 CO2 + O2 = 2 PbCO3
K2Cr2O7 + H2SO4 + C2H5OH = Cr2(SO4)3 + K2SO4 + CH3COOH + H2O =>
2 K2Cr2O7 + 8 H2SO4 + 3 C2H5OH = 2 Cr2(SO4)3 + 2 K2SO4 + 3 CH3COOH + 11 H2O
KNO3 + MgF2 = Mg(NO3)2 + KF* =>
2 KNO3 + MgF2 = Mg(NO3)2 + 2 KF*
HSiCl3 + H2O = HSiO3 + H2 + HCl =>
2 HSiCl3 + 6 H2O = 2 HSiO3 + 3 H2 + 6 HCl
Sb + I2 = SbI3 =>
2 Sb + 3 I2 = 2 SbI3
NH4(NO2) = NH2O =>
NH4(NO2) = 2 NH2O
TiOCl2 + Na2S + H2O = Ti(OH)4 + H2S + NaCl =>
TiOCl2 + Na2S + 3 H2O = Ti(OH)4 + H2S + 2 NaCl
KNO3 + MgF2 = Mg(NO3)2 + KF =>
2 KNO3 + MgF2 = Mg(NO3)2 + 2 KF
PbSO4 + NaCl = Na2PbCl4 + Na2SO4 =>
PbSO4 + 4 NaCl = Na2PbCl4 + Na2SO4
NH4Cl + Pb2N3 = NH4N3 + Pb2Cl =>
NH4Cl + Pb2N3 = NH4N3 + Pb2Cl
NaOH + NiSO4*6H2O = Na2SO4 + Ni(OH)2*6H2O =>
2 NaOH + NiSO4*6H2O = Na2SO4 + Ni(OH)2*6H2O
Co(OH)2 + (NH4)2SO4 = CoSO4 + NH4OH =>
Co(OH)2 + (NH4)2SO4 = CoSO4 + 2 NH4OH
CaCl2(aq) + NaHSO4(aq) = Ca(HSO4)2(aq) + NaCl(aq) =>
CaCl2(aq) + 2 NaHSO4(aq) = Ca(HSO4)2(aq) + 2 NaCl(aq)
H2 + Ca(CN)2 + NaAIF4 + FeSO4 + MgSiO3 + KI + H3PO4 + PbCrO4 + BrCl + CF2Cl2 + SO2 = PbBr2 + CrCl3 + MgCO3 + KAI(OH)4 + Fe(SCN)3 + PI3 + Na2SiO3 + CaF2 + H2O =>
88 H2 + 15 Ca(CN)2 + 6 NaAIF4 + 10 FeSO4 + 3 MgSiO3 + 6 KI + 2 H3PO4 + 6 PbCrO4 + 12 BrCl + 3 CF2Cl2 + 20 SO2 = 6 PbBr2 + 6 CrCl3 + 3 MgCO3 + 6 KAI(OH)4 + 10 Fe(SCN)3 + 2 PI3 + 3 Na2SiO3 + 15 CaF2 + 79 H2O
K2Cr2O7 + Ba(NO3)2 = BaCr2O7 + KNO3 =>
K2Cr2O7 + Ba(NO3)2 = BaCr2O7 + 2 KNO3
MgAl(SO4)3 = Mg(SO4)3Al =>
MgAl(SO4)3 = Mg(SO4)3Al
Mg + Mg(OH)2 = Mg3(OH)2 =>
2 Mg + Mg(OH)2 = Mg3(OH)2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Br2 + CaCl2 = CaBr2 + Cl2 =>
Br2 + CaCl2 = CaBr2 + Cl2
BF3(g) + OH(g) = BF + FHO =>
BF3(g) + 2 OH(g) = BF + 2 FHO
Mg + H2O(steam) = MgO + H2 =>
Mg + H2O(steam) = MgO + H2
FeCl2 + NH3 + H2O = Fe(OH)2 + NH4Cl =>
FeCl2 + 2 NH3 + 2 H2O = Fe(OH)2 + 2 NH4Cl
Fe + K3[Fe(CN)6] + H2O = Fe[Fe(CN)6] + KOH + H2 =>
2 Fe + 2 K3[Fe(CN)6] + 6 H2O = 2 Fe[Fe(CN)6] + 6 KOH + 3 H2
C2 = C6 =>
3 C2 = C6
K + N + O2 = KNO3 =>
2 K + 2 N + 3 O2 = 2 KNO3
PClO3 = P + ClO3 =>
PClO3 = P + ClO3
HCl + CaCO3 = CaCl2 + H2O + CO2* =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2*
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
K2O(s) + P4O10(s) = K3PO4 =>
6 K2O(s) + P4O10(s) = 4 K3PO4
Fe2 + Br2 = FeBr3 =>
Fe2 + 3 Br2 = 2 FeBr3
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
HA + NaHO = NaA + H2O =>
HA + NaHO = NaA + H2O
Zn + HCl = H2 + ZnCl2 =>
Zn + 2 HCl = H2 + ZnCl2
(NH4)NO3 + H2O = NH4OH + HNO3 =>
(NH4)NO3 + H2O = NH4OH + HNO3
{-} = e =>
e = e
HBr = Br2 + H2 =>
2 HBr = Br2 + H2
AgCl + Ca(OH)2 = CaCl2 + Ag2O + H2O =>
2 AgCl + Ca(OH)2 = CaCl2 + Ag2O + H2O
MgCO3 + NO2 = Mg(NO2)2 + CO3 =>
MgCO3 + 2 NO2 = Mg(NO2)2 + CO3
KOH + HSCN = KSCN + H2O =>
KOH + HSCN = KSCN + H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
Al2(SO4)3 + KOH = Al(OH)3(g) + K2SO4 =>
Al2(SO4)3 + 6 KOH = 2 Al(OH)3(g) + 3 K2SO4
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