| Équations équilibrées la veille | Équations équilibrées le lendemain |
Ca(CO3) + 2 KCl = CaCl2 + K2CO3
S(s) + HNO3(l) = H2SO4(l) + NO2(g) + H2O(l) =>
S(s) + 6 HNO3(l) = H2SO4(l) + 6 NO2(g) + 2 H2O(l)
Li2S + BaCl2 = LiCl + BaS =>
Li2S + BaCl2 = 2 LiCl + BaS
VO + Fe2O3 = V2O5 + FeO =>
2 VO + 3 Fe2O3 = V2O5 + 6 FeO
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
KMnO4 + H2SO3 = K2SO + MnSO4 + H2SO4 + H2O =>
2 KMnO4 + 8 H2SO3 = K2SO + 2 MnSO4 + 5 H2SO4 + 3 H2O
NaAlO2 + HNO3 = NaOH + Al(NO3)3 + H2O =>
NaAlO2 + 3 HNO3 = NaOH + Al(NO3)3 + H2O
Ca3(PO4)2 + H2SO4 = CaSO4 + Ca(H2PO4)2 =>
Ca3(PO4)2 + 2 H2SO4 = 2 CaSO4 + Ca(H2PO4)2
Na2HPO4 + KOH = Na2KPO4 + H2O =>
Na2HPO4 + KOH = Na2KPO4 + H2O
CoS + HNO3 + H{+} = Co{2+} + S + NO + H2O =>
3 CoS + 2 HNO3 + 6 H{+} = 3 Co{2+} + 3 S + 2 NO + 4 H2O
C15H16O2 + COCl2 + NaOH = OC6H4C(CH3)2C6H4OCO + NaCl + H2O =>
C15H16O2 + COCl2 + 2 NaOH = OC6H4C(CH3)2C6H4OCO + 2 NaCl + 2 H2O
LiNO3 + Fe(NO3)3(H2O)9 + C6H8O7(H2O) = Li5Fe25O40 + CO2 + H2O + N2 =>
45 LiNO3 + 225 Fe(NO3)3(H2O)9 + 200 C6H8O7(H2O) = 9 Li5Fe25O40 + 1200 CO2 + 3025 H2O + 360 N2
Ag + Cu(NO3)2 = Ag(NO3)2 + Cu =>
Ag + Cu(NO3)2 = Ag(NO3)2 + Cu
MnO4{-} + H{+} + CO = Mn{2+} + H2O + CO2 =>
2 MnO4{-} + 6 H{+} + 5 CO = 2 Mn{2+} + 3 H2O + 5 CO2
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
SnO2 + CO = Sn + CO2 =>
SnO2 + 2 CO = Sn + 2 CO2
Co(NO3)2 + NaOH = Co(OH)2 + NaNO3 =>
Co(NO3)2 + 2 NaOH = Co(OH)2 + 2 NaNO3
CuCl2 + HCl = HCu + Cl =>
CuCl2 + HCl = HCu + 3 Cl
SO3 + HBr = Br + SO2 + H2O =>
SO3 + 2 HBr = 2 Br + SO2 + H2O
ZnS + O2 = ZnO + S =>
2 ZnS + O2 = 2 ZnO + 2 S
Li + HOH = LiOH + H2 =>
2 Li + 2 HOH = 2 LiOH + H2
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
ZnS + O2 = ZnO + S =>
2 ZnS + O2 = 2 ZnO + 2 S
Al2(SO4)3 + NaOH = Al(OH)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4
C4H6FeO4 + H2O = Fe(OH)2 + CH3COOH =>
C4H6FeO4 + 2 H2O = Fe(OH)2 + 2 CH3COOH
Al2(SO4)3 + KOH = Al(OH)3 + K2SO4 =>
Al2(SO4)3 + 6 KOH = 2 Al(OH)3 + 3 K2SO4
CuCl2 + KI = KCl + CuI2 =>
CuCl2 + 2 KI = 2 KCl + CuI2
NaHS = Na + H + S =>
NaHS = Na + H + S
Rb + HC2H3O2 = RbC2H3O2 + H2 =>
2 Rb + 2 HC2H3O2 = 2 RbC2H3O2 + H2
Bi + HNO3 = Bi(NO3)3 + NO + H2O =>
Bi + 4 HNO3 = Bi(NO3)3 + NO + 2 H2O
NiO + HNO3 = Ni(NO3)2 + H2O =>
NiO + 2 HNO3 = Ni(NO3)2 + H2O
LiC6 = Li{+} + e + C6 =>
LiC6 = Li{+} + e + C6
Bi(NO3)3 + Na2S = Bi2S3 + NaNO3 =>
2 Bi(NO3)3 + 3 Na2S = Bi2S3 + 6 NaNO3
NH4OH(aq) + H2SO4(aq) = (NH4)2SO4 + H2O =>
2 NH4OH(aq) + H2SO4(aq) = (NH4)2SO4 + 2 H2O
AgNO3 + KBr = AgBr + KNO3 =>
AgNO3 + KBr = AgBr + KNO3
Fe + O = Fe3O4 =>
3 Fe + 4 O = Fe3O4
H2O + S2{-} + MnO4{-} = S + MnS + OH{-} =>
4 H2O + 7 S2{-} + MnO4{-} = 13 S + MnS + 8 OH{-}
Li + HOH = LiOH + H2 =>
2 Li + 2 HOH = 2 LiOH + H2
Cr2O7{-2} + H{+} + Al = Cr{+3} + Al{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 2 Al = 2 Cr{+3} + 2 Al{+3} + 7 H2O
H + O = H2O =>
2 H + O = H2O
HCO3{-} + H3C6H5O7 = CO2 + H2O + C6H5O7{-3} =>
3 HCO3{-} + H3C6H5O7 = 3 CO2 + 3 H2O + C6H5O7{-3}
C + O = CO =>
C + O = CO
Na3PO4 + MnCl2 = NaCl + Mn3(PO4)2 =>
2 Na3PO4 + 3 MnCl2 = 6 NaCl + Mn3(PO4)2
K2Cr2O7 + C5H12O + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O + C5H10O =>
K2Cr2O7 + 3 C5H12O + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 7 H2O + 3 C5H10O
NH4Br + Pb(C2H3O2)2 = NH4C2H3O2 + PbBr2 =>
2 NH4Br + Pb(C2H3O2)2 = 2 NH4C2H3O2 + PbBr2
Al = Al{3+} + e =>
Al = Al{3+} + 3e
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
K4[Fe(SCN)6] + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + Cr(HSO4)3 + CO2 + H2O + K2SO4 + KNO3 =>
6.0000000000001K4[Fe(SCN)6] + 97.000000000001K2Cr2O7 + 646.00000000001H2SO4 = 3 Fe2(SO4)3 + 194 Cr(HSO4)3 + 36 CO2 + 355 H2O + 91.000000000001K2SO4 + 36 KNO3
C6H12O6 + Cr2O7{2-} + H{+} = CO2 + Cr{3+} + H2O =>
C6H12O6 + 4 Cr2O7{2-} + 32 H{+} = 6 CO2 + 8 Cr{3+} + 22 H2O
NaHS + O2 = Na2O + H2O + SO2 =>
2 NaHS + 3 O2 = Na2O + H2O + 2 SO2
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Équations équilibrées sur10/22/24
Équations équilibrées sur11/21/23
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