| Équations équilibrées la veille | Équations équilibrées le lendemain |
ZnS + 2 HBr = ZnBr2 + H2S
Na2S(aq) + Na2CO3(aq) = Na4S + CO3 =>
Na2S(aq) + Na2CO3(aq) = Na4S + CO3
C4H10O + SO4{2-} = CO2 + S{2-} + H2O =>
C4H10O + 3 SO4{2-} = 4 CO2 + 3 S{2-} + 5 H2O
FeC3 + Zn = ZnC2 + Fe =>
2 FeC3 + 3 Zn = 3 ZnC2 + 2 Fe
AlPO4 + Ca2 = Al3 + Ca3(PO4)2 =>
12 AlPO4 + 9 Ca2 = 4 Al3 + 6 Ca3(PO4)2
H2O + K2FeO4 + NH3 = Fe(OH)3 + KNO2 + KOH =>
3 H2O + 2 K2FeO4 + NH3 = 2 Fe(OH)3 + KNO2 + 3 KOH
H3AsO3 + K2Cr2O7 + H2SO4 = H3AsO4 + K2SO4 + Cr2(SO4)3 + H2O =>
3 H3AsO3 + K2Cr2O7 + 4 H2SO4 = 3 H3AsO4 + K2SO4 + Cr2(SO4)3 + 4 H2O
FeSO4 + Br2 = FeBr3 + BrSO4 =>
FeSO4 + 2 Br2 = FeBr3 + BrSO4
AgBr + HNO3 = HBr + AgNO3 =>
AgBr + HNO3 = HBr + AgNO3
CH3Cl + O2 = HCl + CO2 + H2O =>
2 CH3Cl + 3 O2 = 2 HCl + 2 CO2 + 2 H2O
SNO2(s) + C(s) = SN(l) + CO2(g) =>
SNO2(s) + C(s) = SN(l) + CO2(g)
PbO2 + Mn2{+} + H{+} = Pb{2+} + MnO4{-} + H2O =>
13 PbO2 + 2 Mn2{+} + 20 H{+} = 13 Pb{2+} + 4 MnO4{-} + 10 H2O
K(ClO) + H(NO3) = K(NO3) + H(ClO) =>
K(ClO) + H(NO3) = K(NO3) + H(ClO)
H2 + N2 = NH3 =>
3 H2 + N2 = 2 NH3
SCN{-} + I2 + H2O = I{-} + HCN + SO4{2-} + H{+} =>
SCN{-} + 3 I2 + 4 H2O = 6 I{-} + HCN + SO4{2-} + 7 H{+}
CaC2 + O2 + H2O = Ca(OH)2 + CH2CHCO2 =>
3 CaC2 + 2 O2 + 6 H2O = 3 Ca(OH)2 + 2 CH2CHCO2
PbO2 + (COOH)2 + HNO3 = Pb(NO3)2 + CO2 + H2O =>
PbO2 + (COOH)2 + 2 HNO3 = Pb(NO3)2 + 2 CO2 + 2 H2O
Mn(COOCH3)2 + K2S = MnS + KCH3COO =>
Mn(COOCH3)2 + K2S = MnS + 2 KCH3COO
Cd(Co3) + Li(C2H3O2) = Cd(C2H3O2)2 + Li2(Co3) =>
Cd(Co3) + 2 Li(C2H3O2) = Cd(C2H3O2)2 + Li2(Co3)
C3H6O + Ag2O = C3H6O2 + Ag =>
C3H6O + Ag2O = C3H6O2 + 2 Ag
CaH2 + HCl = H2 + CaCl2 =>
CaH2 + 2 HCl = 2 H2 + CaCl2
NH4(NO3)3 + AlOH + NaOH = Na(NO3)3 + AlNH4 + H2O2 =>
NH4(NO3)3 + AlOH + NaOH = Na(NO3)3 + AlNH4 + H2O2
Al + HNO3 + HCl = AlCl3 + NO2 + H2O =>
Al + 3 HNO3 + 3 HCl = AlCl3 + 3 NO2 + 3 H2O
H2SiO3 + Li(OH) = H2O + Li2(SiO3) =>
H2SiO3 + 2 Li(OH) = 2 H2O + Li2(SiO3)
H4C6H5O7 + NaHCO3 = CO2 + H2O + NaC6H5O7 =>
16 H4C6H5O7 + 19 NaHCO3 = CO2 + 34 H2O + 19 NaC6H5O7
Na2O2 + H2SO4 + K2Cr2O7 = Na2SO4 + Cr2O6 + KOH + O2 =>
2 Na2O2 + 2 H2SO4 + 2 K2Cr2O7 = 2 Na2SO4 + 2 Cr2O6 + 4 KOH + O2
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Cd + Bi{+3} = Cd{+2} + Bi =>
3 Cd + 2 Bi{+3} = 3 Cd{+2} + 2 Bi
SH2 + NaOH = H2O + Na2S =>
SH2 + 2 NaOH = 2 H2O + Na2S
NaClO + CrCl3 + NaOH = NaCl + H2O + Na2CrO4 =>
3 NaClO + 2 CrCl3 + 10 NaOH = 9 NaCl + 5 H2O + 2 Na2CrO4
Hg(MnO4)2 + Fe4[Fe(CN)6]3 = Fe(MnO4)3 + Hg2[Fe(CN)6] =>
6 Hg(MnO4)2 + Fe4[Fe(CN)6]3 = 4 Fe(MnO4)3 + 3 Hg2[Fe(CN)6]
AgClO + NaCl = AgCl + NaClO =>
AgClO + NaCl = AgCl + NaClO
FeS2 + HNO3 = (FeNO3)2 + H2SO4 + NO + H2O =>
6 FeS2 + 32 HNO3 = 3(FeNO3)2 + 12 H2SO4 + 26 NO + 4 H2O
H2CrO4 + AgO = AgCrO4 + H2O =>
H2CrO4 + AgO = AgCrO4 + H2O
BrO3{-} + CH3OH + H{+} = CO2 + Br + H2O =>
6 BrO3{-} + 5 CH3OH + 6 H{+} = 5 CO2 + 6 Br + 13 H2O
CuCl2 + Al3 = Al3Cl2 + Cu =>
CuCl2 + Al3 = Al3Cl2 + Cu
HBrO3 + HBr = H2OO + Br2 =>
2 HBrO3 + 4 HBr = 3 H2OO + 3 Br2
C + H2 + O2 = C6H18O =>
12 C + 18 H2 + O2 = 2 C6H18O
Na + HNO3 = Na3(NO3) + H2 =>
6 Na + 2 HNO3 = 2 Na3(NO3) + H2
HCl(aq) + Na2SO3(s) = Na2Cl + HSO3 =>
HCl(aq) + Na2SO3(s) = Na2Cl + HSO3
HOH + Ce{+3} = Ce(OH)2{+2} + H{+} + {-} =>
2 HOH + Ce{+3} = Ce(OH)2{+2} + 2 H{+} + e
PbSO4 + CH3COOH = Pb(C2H3O2)2 + H2SO4 =>
PbSO4 + 2 CH3COOH = Pb(C2H3O2)2 + H2SO4
Na2SO3(s) + HCl(aq) = NaCl(aq) + H2O(l) + SO2(g) =>
Na2SO3(s) + 2 HCl(aq) = 2 NaCl(aq) + H2O(l) + SO2(g)
CaCO3 + SO3 = CaC1SO6 =>
CaCO3 + SO3 = CaC1SO6
HCl(aq) + Na2SO3(s) = Na2Cl + HSO3 =>
HCl(aq) + Na2SO3(s) = Na2Cl + HSO3
LiOH + Si = Li + Si(OH) =>
LiOH + Si = Li + Si(OH)
C3H9N + C3H6O = H2O + C6H13N =>
C3H9N + C3H6O = H2O + C6H13N
Br{-} + H{+} + HCN + MnO4{-} = BrCN + Mn{2+} + H2O =>
5 Br{-} + 11 H{+} + 5 HCN + 2 MnO4{-} = 5 BrCN + 2 Mn{2+} + 8 H2O
BaBr2 + Na3PO4 = Ba3PO4 + NaBr2 =>
3 BaBr2 + Na3PO4 = Ba3PO4 + 3 NaBr2
ClO3{-} + H{+} + I{-} = I2 + Cl2 + H2O =>
2 ClO3{-} + 12 H{+} + 10 I{-} = 5 I2 + Cl2 + 6 H2O
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Équations équilibrées sur02/20/25
Équations équilibrées sur03/22/24
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