| Équations équilibrées la veille | Équations équilibrées le lendemain |
H2SO4(aq) + 2 NaCN(aq) = 2 HCN(g) + Na2SO4(aq)
Na2S + C2H4O2 = H2S + Na(C2H3O2) =>
Na2S + 2 C2H4O2 = H2S + 2 Na(C2H3O2)
PbCrO4 + H = Pb2{+} + Cr2O7{-} + H2O =>
2 PbCrO4 + 2 H = Pb2{+} + Cr2O7{-} + H2O
CH3COOH + K(OH) = CH3CO2K + H2O =>
CH3COOH + K(OH) = CH3CO2K + H2O
Mn(CO3)2 = Mn + CO3 =>
Mn(CO3)2 = Mn + 2 CO3
Fe + Ag = Fe2Ag =>
2 Fe + Ag = Fe2Ag
NaCl + H2SO4 + C + CaCO3 = HCl + CO + CaS + Na2CO3 =>
2 NaCl + H2SO4 + 4 C + CaCO3 = 2 HCl + 4 CO + CaS + Na2CO3
Na(s) + AgNO3(aq) = NaNO3 + Ag =>
Na(s) + AgNO3(aq) = NaNO3 + Ag
Ca(k) + HCl(aq) = CaCl2(aq) + H2(d) =>
Ca(k) + 2 HCl(aq) = CaCl2(aq) + H2(d)
C20O2H40 + O2 = CO2 + H2O =>
C20O2H40 + 29 O2 = 20 CO2 + 20 H2O
FeO + C2 = Fe + CO =>
2 FeO + C2 = 2 Fe + 2 CO
C17H33COONa + H2SO4 = C17H33COOH + Na2SO4 =>
2 C17H33COONa + H2SO4 = 2 C17H33COOH + Na2SO4
P1 + O2 = P2O5 =>
4 P1 + 5 O2 = 2 P2O5
Ni(HCO3)2 = Ni2(CO3)2 + H2O + CO2 =>
2 Ni(HCO3)2 = Ni2(CO3)2 + 2 H2O + 2 CO2
K2MnO4 + HI = MnI2 + I2 + KI + H2O =>
K2MnO4 + 8 HI = MnI2 + 2 I2 + 2 KI + 4 H2O
NaO2 = Na2O + O2 =>
4 NaO2 = 2 Na2O + 3 O2
Xe + O2 = Xe2O3 =>
4 Xe + 3 O2 = 2 Xe2O3
MgCl2 + K2CrO4 = MgCrO4 + K2Cl2 =>
MgCl2 + K2CrO4 = MgCrO4 + K2Cl2
CaCO3 + C2O2H4 = CO2 + H2O + Ca(C2O2H3)2 =>
CaCO3 + 2 C2O2H4 = CO2 + H2O + Ca(C2O2H3)2
C5H10O = C5H8 + H2O =>
C5H10O = C5H8 + H2O
SrHPO4 = SrO + HPO3 =>
SrHPO4 = SrO + HPO3
MgSO3(s) + HNO3(aq) = H2O + Mg(NO3)2 + SO2 =>
MgSO3(s) + 2 HNO3(aq) = H2O + Mg(NO3)2 + SO2
NaCl + SrS = Na2S + SrCl2 =>
2 NaCl + SrS = Na2S + SrCl2
Sc2(SO4)3 + NaOH = Sc(OH)3 + Na2(SO4) =>
Sc2(SO4)3 + 6 NaOH = 2 Sc(OH)3 + 3 Na2(SO4)
C2H + H2 = C4H8 =>
2 C2H + 3 H2 = C4H8
Mg(OH)2 + H2PHO3 = (MgOH)2PHO3 + H2O =>
2 Mg(OH)2 + H2PHO3 = (MgOH)2PHO3 + 2 H2O
Pb + Zn = PbZn =>
Pb + Zn = PbZn
P4 + N2 = P2N3 =>
P4 + 3 N2 = 2 P2N3
C3H7NH2 + O2 = CO2 + H2O + N2 =>
4 C3H7NH2 + 21 O2 = 12 CO2 + 18 H2O + 2 N2
Cu + HOH = Cu(OH)2 + H2 =>
Cu + 2 HOH = Cu(OH)2 + H2
C5H11O2N + O2 = CO2 + H2O + N2 =>
4 C5H11O2N + 27 O2 = 20 CO2 + 22 H2O + 2 N2
C6H6O + C4H6O3 = C8H8O2 + H2O =>
2 C6H6O + C4H6O3 = 2 C8H8O2 + H2O
BBr3 + H2O = B(OH)3 + HBr =>
BBr3 + 3 H2O = B(OH)3 + 3 HBr
Cu2S + HNO3 = Cu + NO + H2SO4 =>
Cu2S + 2 HNO3 = 2 Cu + 2 NO + H2SO4
CH3COOH + MgO = Mg(OH) + CH3COO =>
CH3COOH + MgO = Mg(OH) + CH3COO
SiC + SiO2 = SiO + CO =>
SiC + 2 SiO2 = 3 SiO + CO
C3H7NH2 + O2 = CO2 + H2O + N2 =>
4 C3H7NH2 + 21 O2 = 12 CO2 + 18 H2O + 2 N2
Sn{2+} + Cu = Sn + Cu{+} =>
Sn{2+} + 2 Cu = Sn + 2 Cu{+}
SO3(aq) + H2O(l) = H2SO3(aq) + O2(g) =>
2 SO3(aq) + 2 H2O(l) = 2 H2SO3(aq) + O2(g)
Cu(s) + HBr(aq) = H + CuBr =>
Cu(s) + HBr(aq) = H + CuBr
Rb + S2 = Rb2S =>
4 Rb + S2 = 2 Rb2S
KCl(aq) + Pb(C2H3O2)2(aq) = K(C2H3O2)(aq) + PbCl2(s) =>
2 KCl(aq) + Pb(C2H3O2)2(aq) = 2 K(C2H3O2)(aq) + PbCl2(s)
Dy + Br2 = DyBr3 =>
2 Dy + 3 Br2 = 2 DyBr3
Fe(NO3)2 + K2Cr2O7 = FeCr2O7 + KNO3 =>
Fe(NO3)2 + K2Cr2O7 = FeCr2O7 + 2 KNO3
CuCl2 + Li3PO4 = Cu3(PO4)2 + LiCl =>
3 CuCl2 + 2 Li3PO4 = Cu3(PO4)2 + 6 LiCl
Al + FeI2 = AlI + Fe =>
2 Al + FeI2 = 2 AlI + Fe
Al(s) + CuSO4 = Al2(SO4)3 + Cu =>
2 Al(s) + 3 CuSO4 = Al2(SO4)3 + 3 Cu
Sb3S3 + HNO3 = Sb2O5 + NO2 + S + H2O =>
2 Sb3S3 + 30 HNO3 = 3 Sb2O5 + 30 NO2 + 6 S + 15 H2O
Fe{3+} + S2O3{2-} = Fe{2+} + S4O6{2-} =>
2 Fe{3+} + 2 S2O3{2-} = 2 Fe{2+} + S4O6{2-}
Fe(NO)2 + HNO3 = Fe(NO3)3 + NO + H2O =>
Fe(NO)2 + 4 HNO3 = Fe(NO3)3 + 3 NO + 2 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/23/24
Équations équilibrées sur11/22/23
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