| Équations équilibrées la veille |
Mn + 2 NaOH = Na2MnO2 + H2
BaCO3 + ZnBr2 = ZnCO3 + BaBr2 =>
BaCO3 + ZnBr2 = ZnCO3 + BaBr2
CuSO4 + NaHSO3 + H2O + NaCN = CuCN + NaHSO4 =>
2 CuSO4 + NaHSO3 + H2O + 2 NaCN = 2 CuCN + 3 NaHSO4
ZnSO4NaHCO3 = ZnCO3NaHSO4 =>
ZnSO4NaHCO3 = ZnCO3NaHSO4
OH{-} + Al{3O} = Al(OH)3 =>
3 OH{-} + Al{3O} = Al(OH)3
CO2 + H2 = C4H6O2 + H2O =>
4 CO2 + 9 H2 = C4H6O2 + 6 H2O
KHP + NaOH = K + Na + P + HOH =>
KHP + NaOH = K + Na + P + HOH
C2H5Cl + H = C2H6 + HCl =>
C2H5Cl + 2 H = C2H6 + HCl
FeSO4 + NaClO3 + H2SO4 = Fe2(SO4)3 + HCl + Na2SO4 + H2O =>
12 FeSO4 + 2 NaClO3 + 7 H2SO4 = 6 Fe2(SO4)3 + 2 HCl + Na2SO4 + 6 H2O
H2CO2 + Fr(OH) = H2O + Fr2(CO2) =>
H2CO2 + 2 Fr(OH) = 2 H2O + Fr2(CO2)
NaBH4 + H2O + C10H12O3 = C10H14O3 + Na + B(OH)4 =>
NaBH4 + 4 H2O + 4 C10H12O3 = 4 C10H14O3 + Na + B(OH)4
Ag3N + CaCl2 = Ag3Cl2 + CaN =>
Ag3N + CaCl2 = Ag3Cl2 + CaN
Pb(s) + CuCl2(aq) = Cu(s) + PbCl2(s) =>
Pb(s) + CuCl2(aq) = Cu(s) + PbCl2(s)
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
(NH4)2Cr2O7 + Zn + HCl = ZnCl2 + H2O + NH4Cl + CrCl3 =>
(NH4)2Cr2O7 + 3 Zn + 14 HCl = 3 ZnCl2 + 7 H2O + 2 NH4Cl + 2 CrCl3
Mg + Cu(NO3) = Cu + Mg2(NO3) =>
2 Mg + Cu(NO3) = Cu + Mg2(NO3)
Pb(NO3)2 + KI = PbI2 + K(NO3) =>
Pb(NO3)2 + 2 KI = PbI2 + 2 K(NO3)
HPO3 + H2O = H3PO4 =>
HPO3 + H2O = H3PO4
Na2SO4 + BaCl2 = BaSO4 + NaCl =>
Na2SO4 + BaCl2 = BaSO4 + 2 NaCl
NaHCO3 + C2H4O2 = CO2 + NaC2H3O2 + H2O =>
NaHCO3 + C2H4O2 = CO2 + NaC2H3O2 + H2O
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
K3[Fe(CN)6] + K3[Fe(C2O4)3]*3H2O = K3[Fe(CN)6]*K3[Fe(C2O4)3] + H2O =>
K3[Fe(CN)6] + K3[Fe(C2O4)3]*3H2O = K3[Fe(CN)6]*K3[Fe(C2O4)3] + 3 H2O
KOH + C = K + CO2 + H2O =>
4 KOH + C = 4 K + CO2 + 2 H2O
Sc3AlC + ScAl3C3 + Sc3C4 = Sc3AlC2 =>
23 Sc3AlC + 3 ScAl3C3 + 8 Sc3C4 = 32 Sc3AlC2
Na2SiO3 + HU = NaU + H2SiO3 =>
Na2SiO3 + 2 HU = 2 NaU + H2SiO3
Na(OH) + S = Na2S2O6 + Na2S + H2O =>
12 Na(OH) + 7 S = Na2S2O6 + 5 Na2S + 6 H2O
I2 + FeF3 = I2F3 + Fe =>
I2 + FeF3 = I2F3 + Fe
SrO + SrH2 + SrCr2O5 = Sr20Cr10O31H9 + H =>
6 SrO + 9 SrH2 + 5 SrCr2O5 = Sr20Cr10O31H9 + 9 H
C8H5COOH + O2 = H2O + CO2 =>
2 C8H5COOH + 19 O2 = 6 H2O + 18 CO2
Al + NaOH = Na3AlO3 + H2 =>
2 Al + 6 NaOH = 2 Na3AlO3 + 3 H2
Al(s) + CuCl(s) = AlCl3(s) + Cu(s) =>
Al(s) + 3 CuCl(s) = AlCl3(s) + 3 Cu(s)
HOC6H4COOCH3 + H2O = CH3OH + HOC6H4COOH =>
HOC6H4COOCH3 + H2O = CH3OH + HOC6H4COOH
ZnBr2 + Na2S = Na2Zn + Br2S =>
ZnBr2 + Na2S = Na2Zn + Br2S
Al(OH)3 + KOH = AlK(OH)4 =>
Al(OH)3 + KOH = AlK(OH)4
(NH4)2 + HCl = NH4Cl + H2 =>
(NH4)2 + 2 HCl = 2 NH4Cl + H2
SrO + SrH2 + SrCr2O5 = Sr20Cr10O31H9 + H =>
6 SrO + 9 SrH2 + 5 SrCr2O5 = Sr20Cr10O31H9 + 9 H
C4H2FeO4 + C19H19N7O6 + C63H87CoN14O14P + C8H10NO6P + C6H8O6 + C20H37NaO7S = C120H163FeO43N22CoNaP2S =>
C4H2FeO4 + C19H19N7O6 + C63H87CoN14O14P + C8H10NO6P + C6H8O6 + C20H37NaO7S = C120H163FeO43N22CoNaP2S
Fe2O3 + HNo3 = Fe(No3)3 + OH2 =>
Fe2O3 + 6 HNo3 = 2 Fe(No3)3 + 3 OH2
HNO3(aq) + Al(OH)3 = Al(NO3)3(s) + H2O =>
3 HNO3(aq) + Al(OH)3 = Al(NO3)3(s) + 3 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Cl{-} + H2SO4 = HCl + SO4{-2} =>
2 Cl{-} + H2SO4 = 2 HCl + SO4{-2}
C6H11OH + NaOCl = NaCl + C6H11O + H2O =>
2 C6H11OH + NaOCl = NaCl + 2 C6H11O + H2O
H2S + SO2 = S + H2O =>
2 H2S + SO2 = 3 S + 2 H2O
Al3 + HF = AlH3 + F2 =>
2 Al3 + 18 HF = 6 AlH3 + 9 F2
K2O + CO = K2CO2 =>
K2O + CO = K2CO2
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
H{+} + Cr2O7{2-} + Cl{-} = Cr{3-} + Cl2 + H2O =>
14 H{+} + Cr2O7{2-} + 18 Cl{-} = 2 Cr{3-} + 9 Cl2 + 7 H2O
K2SO3 + H2SO4 + K2Cr2O7 = K2SO4 + Cr2(SO4)3 + H2O =>
3 K2SO3 + 4 H2SO4 + K2Cr2O7 = 4 K2SO4 + Cr2(SO4)3 + 4 H2O
MnO4{-} + S{2-} + H{+} = Mn2{+} + S0 + H2O =>
4 MnO4{-} + 13 S{2-} + 32 H{+} = 2 Mn2{+} + 13 S0 + 16 H2O
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