| Équations équilibrées la veille |
2 NaOH + BaCl2 = Ba(OH)2(s) + 2 NaCl(aq)
KI + CoCl2 = CoI2 + KCl =>
2 KI + CoCl2 = CoI2 + 2 KCl
Al(OH)3 + H2S = Al2S3 + H2O =>
2 Al(OH)3 + 3 H2S = Al2S3 + 6 H2O
N2H4 + Na2Sn(OH)4 + H2O = NH3 + Na2Sn(OH)6 =>
N2H4 + Na2Sn(OH)4 + 2 H2O = 2 NH3 + Na2Sn(OH)6
HCOOH + CH3CH2OH = HCOOCH2CH3 + H2O =>
HCOOH + CH3CH2OH = HCOOCH2CH3 + H2O
Al(OH)3 + H2S = Al2S3 + H2O =>
2 Al(OH)3 + 3 H2S = Al2S3 + 6 H2O
Cu2Se + HNO3 = H2SeO3 + Cu(NO3)2 + NO + H2O =>
3 Cu2Se + 20 HNO3 = 3 H2SeO3 + 6 Cu(NO3)2 + 8 NO + 7 H2O
Mg(s) + I3{-}(aq) = Mg{2+}(aq) + I{-}(aq) =>
Mg(s) + I3{-}(aq) = Mg{2+}(aq) + 3 I{-}(aq)
CuO + NH4Cl = Cu + CuCl2 + N2 + H2O =>
4 CuO + 2 NH4Cl = 3 Cu + CuCl2 + N2 + 4 H2O
NH4NO3(aq) + KCl(aq) = KNO3(aq) + NH4Cl(aq) =>
NH4NO3(aq) + KCl(aq) = KNO3(aq) + NH4Cl(aq)
MnBr2 + KBiO3 + HNO3 = KMnO4 + Bi(NO3)3 + KBrO3 + KNO3 + H2O =>
2 MnBr2 + 17 KBiO3 + 62 HNO3 = 2 KMnO4 + 17 Bi(NO3)3 + 4 KBrO3 + 11 KNO3 + 31 H2O
MnO4{-} + S{2-} + H{+} = MnO2 + S0 + H2O =>
2 MnO4{-} + 3 S{2-} + 8 H{+} = 2 MnO2 + 3 S0 + 4 H2O
HClO = HClO3 + HCl =>
3 HClO = HClO3 + 2 HCl
CuO + NH4Cl = Cu + N2 + HCl + H2O =>
3 CuO + 2 NH4Cl = 3 Cu + N2 + 2 HCl + 3 H2O
C3H6O + Br2 = C3H5BrO + HBr =>
C3H6O + Br2 = C3H5BrO + HBr
Mg(NO3)2 = Mg(NO)2 + O2 =>
Mg(NO3)2 = Mg(NO)2 + 2 O2
NH4Cl + CuO = CuCl2 + NH3 + H2O =>
2 NH4Cl + CuO = CuCl2 + 2 NH3 + H2O
HClO = HCl + O2 =>
2 HClO = 2 HCl + O2
C3H6O + Br2 = C2H4O + CHBr3 + HBr =>
C3H6O + 2 Br2 = C2H4O + CHBr3 + HBr
LiOH + H2SO3 = HOH + Li2SO3 =>
2 LiOH + H2SO3 = 2 HOH + Li2SO3
Co(NO3)2 + K3Fe(CN)6 = Co3(Fe(CN)6)2 + KNO3 =>
3 Co(NO3)2 + 2 K3Fe(CN)6 = Co3(Fe(CN)6)2 + 6 KNO3
K2Cr2O7 + KI + H2SO4 = Cr2(SO4)3 + K2SO4 + I2 + H2O =>
K2Cr2O7 + 6 KI + 7 H2SO4 = Cr2(SO4)3 + 4 K2SO4 + 3 I2 + 7 H2O
CO2 + [Ag(NH3)2]OH = Ag2CO3 + H2O + NH3 =>
CO2 + 2[Ag(NH3)2]OH = Ag2CO3 + H2O + 4 NH3
Cr2O3 + NO3{-} + OH{-} = CrO4{-2} + NO2{-} + H2O =>
Cr2O3 + 3 NO3{-} + 4 OH{-} = 2 CrO4{-2} + 3 NO2{-} + 2 H2O
Zn + Ni2S3 = ZnS + Ni =>
3 Zn + Ni2S3 = 3 ZnS + 2 Ni
Cs2O2 + H2O = CsOH + O2 =>
2 Cs2O2 + 2 H2O = 4 CsOH + O2
FeBr2 + NH3 + H2O = Fe(OH)2 + NH4Br =>
FeBr2 + 2 NH3 + 2 H2O = Fe(OH)2 + 2 NH4Br
Co(NO3)2 + K3Fe(CN)6 = Co(CN)2 + K3Fe(NO3)6 =>
3 Co(NO3)2 + K3Fe(CN)6 = 3 Co(CN)2 + K3Fe(NO3)6
Cr2O3 + NO3{-} + OH{-} = CrO4{2-} + NO + H2O =>
Cr2O3 + 2 NO3{-} + 2 OH{-} = 2 CrO4{2-} + 2 NO + H2O
Cs2O2 + H2O = CsOH + H2O2 =>
Cs2O2 + 2 H2O = 2 CsOH + H2O2
HBr + Cr2O7 = Br2 + Cr + H2O =>
14 HBr + Cr2O7 = 7 Br2 + 2 Cr + 7 H2O
Co(NO3)2 + K3Fe(CN)6 = CoFe(CN)6 + K3(NO3)2 =>
Co(NO3)2 + K3Fe(CN)6 = CoFe(CN)6 + K3(NO3)2
Cu(ClO4)2 + Li2S = CuS + LiClO4 =>
Cu(ClO4)2 + Li2S = CuS + 2 LiClO4
Cr2O3 + NO3{-} + OH{-} = CrO42{-} + NO2{-} + H2O =>
Cr2O3 + 80.000000000001NO3{-} + 2 OH{-} = 2 CrO42{-} + 80.000000000001NO2{-} + H2O
C4H10O + KMnO4 + H2SO4 = C4H8O + MnSO4 + K2SO4 + H2O =>
5 C4H10O + 2 KMnO4 + 3 H2SO4 = 5 C4H8O + 2 MnSO4 + K2SO4 + 8 H2O
Cr2O3 + NO3{-} + OH{-} = CrO4{-} + NO2{-} + H2O =>
Cr2O3 + 4 NO3{-} + 2 OH{-} = 2 CrO4{-} + 4 NO2{-} + H2O
Co(NO3)2 + K3Fe(CN)6 = Co3[Fe(CN)6]2 + KNO3 =>
3 Co(NO3)2 + 2 K3Fe(CN)6 = Co3[Fe(CN)6]2 + 6 KNO3
Ba(NO3)2(aq) + NH4Cl(aq) = BaCl2 + NH4NO3 =>
Ba(NO3)2(aq) + 2 NH4Cl(aq) = BaCl2 + 2 NH4NO3
C12H22O11 + KMnO4 = K2O + MnO2 + CO2 + H2O =>
C12H22O11 + 16 KMnO4 = 8 K2O + 16 MnO2 + 12 CO2 + 11 H2O
LiF + HOH = LiOH + HF =>
LiF + HOH = LiOH + HF
NaHCO3 + HCl = NaCl + H2O + CO2 =>
NaHCO3 + HCl = NaCl + H2O + CO2
(NH4)3PO4 + Sr(OH)2 = Sr3(PO4)2 + NH3 + H2O =>
2(NH4)3PO4 + 3 Sr(OH)2 = Sr3(PO4)2 + 6 NH3 + 6 H2O
[Cr(N2H4CO)6]4[Cr(CN)6] + KMnO4 + H2SO4 = K2Cr2O7 + MnSO4 + CO2 + KNO3 + K2SO4 + H2O =>
10[Cr(N2H4CO)6]4[Cr(CN)6] + 936 KMnO4 + 1109 H2SO4 = 25 K2Cr2O7 + 936 MnSO4 + 300 CO2 + 540 KNO3 + 173 K2SO4 + 1589 H2O
[Cr(N2H4CO)6][Cr(CN)6]3 + KMnO4 + H2SO4 = K2Cr2O7 + MnSO4 + CO2 + KNO3 + K2SO4 + HOH =>
5[Cr(N2H4CO)6][Cr(CN)6]3 + 282 KMnO4 + 338 H2SO4 = 10 K2Cr2O7 + 282 MnSO4 + 120 CO2 + 150 KNO3 + 56 K2SO4 + 398 HOH
C12H22O11 + KMnO4 = CO2 + H2O + K2MnO4 + MnO2 =>
C12H22O11 + 24 KMnO4 = 12 CO2 + 11 H2O + 12 K2MnO4 + 12 MnO2
NaClO + Cl = NaCl + ClO2 =>
2 NaClO + Cl = 2 NaCl + ClO2
Al2(SO4)3 + NaOH = NaAlO2 + Na2SO4 + H2O =>
Al2(SO4)3 + 8 NaOH = 2 NaAlO2 + 3 Na2SO4 + 4 H2O
VO2 + NaOH = Na2VO3 + H2O =>
VO2 + 2 NaOH = Na2VO3 + H2O
Au2O + C = Au + CO =>
Au2O + C = 2 Au + CO
C6H9O2N + O2 = CO2 + NH3 + H2O =>
2 C6H9O2N + 13 O2 = 12 CO2 + 2 NH3 + 6 H2O
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