| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 Na2SO3 + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + 3 Na2SO4 + K2SO4 + 4 H2O
H2 + F2 = HF =>
H2 + F2 = 2 HF
Cu2O + C = Cu + CO =>
Cu2O + C = 2 Cu + CO
Fe2S3 + O2 = Fe2O3 + SO2 =>
2 Fe2S3 + 9 O2 = 2 Fe2O3 + 6 SO2
CuCl2 + H2S = CuS + HCl =>
CuCl2 + H2S = CuS + 2 HCl
MgSO4(aq) + KNO3(aq) = Mg(NO3)2(aq) + K2SO4(aq) =>
MgSO4(aq) + 2 KNO3(aq) = Mg(NO3)2(aq) + K2SO4(aq)
NaCrO2 + Br2 + NaOH = NaCrO4 + NaBr + H2O =>
NaCrO2 + 2 Br2 + 4 NaOH = NaCrO4 + 4 NaBr + 2 H2O
Cr(NO3)3 + NaBiO3 + HNO3 = Na2Cr2O7 + Bi(NO3)3 + NaNO3 + H2O =>
2 Cr(NO3)3 + 3 NaBiO3 + 4 HNO3 = Na2Cr2O7 + 3 Bi(NO3)3 + NaNO3 + 2 H2O
NaI(s) + H2SO4(l) = NaHSO4(s) + HI(g) =>
NaI(s) + H2SO4(l) = NaHSO4(s) + HI(g)
CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
FECl2 + Cl2 = FECl3 =>
2 FECl2 + Cl2 = 2 FECl3
KMnO4 + FeSO4 + H2SO4 = K2SO4 + MnSO4 + Fe2(SO4)3 + H2O =>
2 KMnO4 + 10 FeSO4 + 8 H2SO4 = K2SO4 + 2 MnSO4 + 5 Fe2(SO4)3 + 8 H2O
AuCl3 + HBr = HCl + AuBr3 =>
AuCl3 + 3 HBr = 3 HCl + AuBr3
NaOH + HClO4 = NaClO4 + H2O =>
NaOH + HClO4 = NaClO4 + H2O
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
H3IO6 = IO3 + OH =>
H3IO6 = IO3 + 3 OH
PbN6 + CrMn2O8 = Pb3O4 + Cr2O3 + MnO2 + NO =>
15 PbN6 + 44 CrMn2O8 = 5 Pb3O4 + 22 Cr2O3 + 88 MnO2 + 90 NO
KMnO4 + KJ + H2SO4 = MnSO4 + J2 + K2SO4 + H2O =>
2 KMnO4 + 10 KJ + 8 H2SO4 = 2 MnSO4 + 5 J2 + 6 K2SO4 + 8 H2O
Cu(OH)2 + HCl = CuCl2 + H2O =>
Cu(OH)2 + 2 HCl = CuCl2 + 2 H2O
NaOH + H2So4 = Na2So4 + H2O =>
2 NaOH + H2So4 = Na2So4 + 2 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
AlCl3 + KOH = Al(OH)Cl2 + KCl =>
AlCl3 + KOH = Al(OH)Cl2 + KCl
KNO3(aq) + MgSO4(aq) = Mg(NO3)2(aq) + K2SO4(aq) =>
2 KNO3(aq) + MgSO4(aq) = Mg(NO3)2(aq) + K2SO4(aq)
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
HI + K2Cr2O7 = CrI3 + I2 + KI + H2O =>
14 HI + K2Cr2O7 = 2 CrI3 + 3 I2 + 2 KI + 7 H2O
AgNO3 + MgSO4 = Ag2SO4 + Mg(NO3)2 =>
2 AgNO3 + MgSO4 = Ag2SO4 + Mg(NO3)2
S + Ca = Ca2S =>
S + 2 Ca = Ca2S
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
AgNO3(aq) + KCl(aq) = AgCl(aq) + KNO3(aq) =>
AgNO3(aq) + KCl(aq) = AgCl(aq) + KNO3(aq)
N2 + O2 = NO2 =>
N2 + 2 O2 = 2 NO2
CH3OH + HBr = CH3Br + H2O =>
CH3OH + HBr = CH3Br + H2O
Na3PO4(aq) + AgNO3(aq) = Ag3PO4(s) + NaNO3(aq) =>
Na3PO4(aq) + 3 AgNO3(aq) = Ag3PO4(s) + 3 NaNO3(aq)
KI + Hg(NO3)2 = HgI2 + KNO3 =>
2 KI + Hg(NO3)2 = HgI2 + 2 KNO3
CeO2 + HNO3 = Ce(NO3)3 + H2O + O2 =>
4 CeO2 + 12 HNO3 = 4 Ce(NO3)3 + 6 H2O + O2
CH4 + Cl2 = CHCl3 + HCl =>
CH4 + 3 Cl2 = CHCl3 + 3 HCl
CaO + C = CaC2 + CO2 =>
2 CaO + 5 C = 2 CaC2 + CO2
K2Cr2O7 + H2SO4 + KNO2 = Cr2(SO4)3 + KNO3 + K2SO4 + H2O =>
K2Cr2O7 + 4 H2SO4 + 3 KNO2 = Cr2(SO4)3 + 3 KNO3 + K2SO4 + 4 H2O
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
HCl + Zn = ZnCl2 + H2 =>
2 HCl + Zn = ZnCl2 + H2
Ca(OH)2 + Cl2 = Ca(ClO)2 + CaCl2 + H2O =>
2 Ca(OH)2 + 2 Cl2 = Ca(ClO)2 + CaCl2 + 2 H2O
CaCO3 = CO2 + CaO =>
CaCO3 = CO2 + CaO
NH4OH + HNO3 = NH4NO3 + H20 =>
15 NH4OH + 5 HNO3 = 10 NH4NO3 + 2 H20
Pb(NO3)2 + HCl = PbCl2 + HNO3 =>
Pb(NO3)2 + 2 HCl = PbCl2 + 2 HNO3
Mg + H2O = MgOH + H2 =>
2 Mg + 2 H2O = 2 MgOH + H2
CaO + C = CaC2 + CO =>
CaO + 3 C = CaC2 + CO
N2O5 + KOH = KNO3 + H2O =>
N2O5 + 2 KOH = 2 KNO3 + H2O
Na + Br2 = NaBr =>
2 Na + Br2 = 2 NaBr
Pb + I = PbI2 =>
Pb + 2 I = PbI2
H3PO4 + NH3 = (NH4)3PO4 =>
H3PO4 + 3 NH3 = (NH4)3PO4
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/02/17
Équations équilibrées sur11/01/16
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