| Équations équilibrées la veille | Équations équilibrées le lendemain |
C2H5Br + NaOH = C2H5OH + NaBr
CoCl2 + NaOH = Co(OH)Cl + NaCl =>
CoCl2 + NaOH = Co(OH)Cl + NaCl
HN + H2SO4 = S + HNO3 + H2O =>
HN + H2SO4 = S + HNO3 + H2O
Ca(OH)2 + HBr = CaBr2 + HOH =>
Ca(OH)2 + 2 HBr = CaBr2 + 2 HOH
Fe2(SO4)3 + K4[Fe(CN)6] = Fe4[Fe(CN)6]3(s) + K2SO4 =>
2 Fe2(SO4)3 + 3 K4[Fe(CN)6] = Fe4[Fe(CN)6]3(s) + 6 K2SO4
Ne + H2O + I + Au = I2OAu + HNeAuI =>
2 Ne + H2O + 4 I + 3 Au = I2OAu + 2 HNeAuI
Cl2 + K4[Fe(CN)6] = K3[Fe(CN)6] + KCl =>
Cl2 + 2 K4[Fe(CN)6] = 2 K3[Fe(CN)6] + 2 KCl
NH3 + H2PO4{-} = NH4{+} + HPO4{2-} =>
NH3 + H2PO4{-} = NH4{+} + HPO4{2-}
NaC2H3O2(aq) + Pb(NO3)2(aq) = Na(NO3)2 + PbC2H3O2 =>
NaC2H3O2(aq) + Pb(NO3)2(aq) = Na(NO3)2 + PbC2H3O2
AgNO3 + Fe(Cl)3 = AgCl + Fe(NO3)3 =>
3 AgNO3 + Fe(Cl)3 = 3 AgCl + Fe(NO3)3
Cu(NO3)2 + Fe(NO3)3 + C2H6N4O2 = CuFe2O4 + N2 + CO2 + H2O =>
Cu(NO3)2 + 2 Fe(NO3)3 + 4 C2H6N4O2 = CuFe2O4 + 12 N2 + 8 CO2 + 12 H2O
Cr2(SO4)3 + Ca = Cr + Ca2(SO4)2 =>
2 Cr2(SO4)3 + 6 Ca = 4 Cr + 3 Ca2(SO4)2
C3H8 + Br3 = C3H7Br + HBr =>
3 C3H8 + 2 Br3 = 3 C3H7Br + 3 HBr
K2S + CdCl2 = KCl2 + Cd2S =>
K2S + 2 CdCl2 = 2 KCl2 + Cd2S
NaCl + H{+} + NO3{-} = Na{+} + Cl2 + H2O + NO2 =>
2 NaCl + 4 H{+} + 2 NO3{-} = 2 Na{+} + Cl2 + 2 H2O + 2 NO2
MnC2O4H2OH2OH2O(s) + O2(g) = MnO(s) + H2O(g) + CO2(g) =>
2 MnC2O4H2OH2OH2O(s) + O2(g) = 2 MnO(s) + 6 H2O(g) + 4 CO2(g)
KMnO7 + H3PO3 + H2SO4 = H3PO4 + MnSO4 + K2SO4 + H2O =>
2 KMnO7 + 11 H3PO3 + 3 H2SO4 = 11 H3PO4 + 2 MnSO4 + K2SO4 + 3 H2O
CH3COH + [Ag(NH3)2]OH = H2O + NH3 + Ag + CH3COONH4 =>
CH3COH + 2[Ag(NH3)2]OH = H2O + 3 NH3 + 2 Ag + CH3COONH4
CH3(CH2)2CH3 + oxygen = carbondioxide + water =>
2 CH3(CH2)2CH3 + 13 O2 = 8 CO2 + 10 H2O
HNO3(aq) + Ba(OH)2(aq) = H2O(aq) + Ba(NO3)2(s) =>
2 HNO3(aq) + Ba(OH)2(aq) = 2 H2O(aq) + Ba(NO3)2(s)
CaH2(g) + H2O(g) = Ca(OH)2(g) + H2(g) =>
CaH2(g) + 2 H2O(g) = Ca(OH)2(g) + 2 H2(g)
NaOH(aq) + NaNO2(aq) + Al(s) + H2O(s) = NH3(aq) + NaAlO2(aq) =>
NaOH(aq) + NaNO2(aq) + 2 Al(s) + H2O(s) = NH3(aq) + 2 NaAlO2(aq)
KOH + HClO3 = KClO3 + H2O =>
KOH + HClO3 = KClO3 + H2O
Fe2(SO3)3 + H2S = Fe2S3 + SO2 + H2O =>
Fe2(SO3)3 + 3 H2S = Fe2S3 + 3 SO2 + 3 H2O
FeO3 + H2 = Fe + H2O* =>
FeO3 + 3 H2 = Fe + 3 H2O*
KCl + CaI2 = KI2 + ClCa =>
KCl + CaI2 = KI2 + ClCa
Mg + (OH) = Mg(OH)2 =>
Mg + 2(OH) = Mg(OH)2
PbNo3 + KOH = PbOH + KNo3 =>
PbNo3 + KOH = PbOH + KNo3
Br2 + NH3 = NBr3 + HBr =>
3 Br2 + NH3 = NBr3 + 3 HBr
Cu + Ba(NO3)2 + H2SO4 = BaSO4 + NO + H2O + Cu(NO3)2 =>
3 Cu + 4 Ba(NO3)2 + 4 H2SO4 = 4 BaSO4 + 2 NO + 4 H2O + 3 Cu(NO3)2
Ba(OH)2 + Fe2(SO4)3 = BaSO4 + Fe(OH)3 =>
3 Ba(OH)2 + Fe2(SO4)3 = 3 BaSO4 + 2 Fe(OH)3
Br2(aq) + NaCl(aq) = NaBr + Cl2 =>
Br2(aq) + 2 NaCl(aq) = 2 NaBr + Cl2
VO{+2} + MnO4{-} + H2O = VO2{+} + Mn{+2} + H{+} =>
5 VO{+2} + MnO4{-} + H2O = 5 VO2{+} + Mn{+2} + 2 H{+}
CH3CH2CH(OH)2 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CH2COOH + H2O =>
3 CH3CH2CH(OH)2 + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 CH3CH2COOH + 7 H2O
C6H14(l) + O2 = CO2 + H2O =>
2 C6H14(l) + 19 O2 = 12 CO2 + 14 H2O
Na2CO3(s) + HCl(aq) = NaCl(aq) + CO2(g) + H2O(i) =>
Na2CO3(s) + 2 HCl(aq) = 2 NaCl(aq) + CO2(g) + H2O(i)
Mg + O2(g) = MgO(s) =>
2 Mg + O2(g) = 2 MgO(s)
K2C7H4O3 + O2 = K2CO3 + H2O + CO2 =>
K2C7H4O3 + 7 O2 = K2CO3 + 2 H2O + 6 CO2
NaHCO3(s) + CH3COOH(l) = CH3COONa(s) + H2O(l) + CO2(g) =>
NaHCO3(s) + CH3COOH(l) = CH3COONa(s) + H2O(l) + CO2(g)
Al(OH3) + H2CO3 = H1CO3 + HAl(OH3) =>
Al(OH3) + H2CO3 = H1CO3 + HAl(OH3)
Hg(s) + O2(g) = Hg2O(s) =>
4 Hg(s) + O2(g) = 2 Hg2O(s)
Sr(OH)2 + CH3COOH = Sr(CH3COO)2 + H2O =>
Sr(OH)2 + 2 CH3COOH = Sr(CH3COO)2 + 2 H2O
C4H9O2 + H2O = C2H6O + C2H4O2 =>
4 C4H9O2 + 3 H2O = 5 C2H6O + 3 C2H4O2
C57H110O6 + KMnO4 + H2SO4 = CO2 + MnSO4 + K2SO4 + H2O =>
5 C57H110O6 + 326 KMnO4 + 489 H2SO4 = 285 CO2 + 326 MnSO4 + 163 K2SO4 + 764 H2O
H3PO4 + Ba(NO3)2 = HNO3 + Ba3(PO4)2 =>
2 H3PO4 + 3 Ba(NO3)2 = 6 HNO3 + Ba3(PO4)2
LiOH(aq) + HNO3(aq) = LiNO3(aq) + H2O(l) =>
LiOH(aq) + HNO3(aq) = LiNO3(aq) + H2O(l)
C{-}H3{-}C{-}H = C{-}H{-}C{-}H2{-}C{-}H3 =>
C{-}H3{-}C{-}H = C{-}H{-}C{-}H2{-}C{-}H3
Li3(PO4) + AlCl3 = LiCl + Al3(PO4)3 =>
3 Li3(PO4) + 3 AlCl3 = 9 LiCl + Al3(PO4)3
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
K2Cr2O7 + S + H2O = S2O + KOH + Cr2O2 =>
K2Cr2O7 + 8 S + H2O = 4 S2O + 2 KOH + Cr2O2
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