| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 Na2SO3 + 2 Na2CrO4 + H2O = 2 NaCrO2 + 3 Na2SO4 + 2 NaOH
NiCO3(s) + HNO3(aq) = Ni(NO3)2(aq) + CO2(g)H2O(l) =>
NiCO3(s) + 2 HNO3(aq) = Ni(NO3)2(aq) + CO2(g)H2O(l)
Pb(NO3)2 + Be = Be(NO3)2 + Pb =>
Pb(NO3)2 + Be = Be(NO3)2 + Pb
KNO3 + Cl = KCl + NO3 =>
KNO3 + Cl = KCl + NO3
Pb(BrO3)2 + KI = PbI2 + K(BrO3) =>
Pb(BrO3)2 + 2 KI = PbI2 + 2 K(BrO3)
NH4ClO2 = N2 + Cl2 + H2O =>
2 NH4ClO2 = N2 + Cl2 + 4 H2O
Sb2O5 + C = CO + Sb =>
Sb2O5 + 5 C = 5 CO + 2 Sb
SO2 + Ca(OH) = Ca2SO3 + H2O =>
SO2 + 2 Ca(OH) = Ca2SO3 + H2O
NiCl2 + (NH4)2S = Ni2S + NH4Cl2 =>
2 NiCl2 + (NH4)2S = Ni2S + 2 NH4Cl2
SrNO32 + Fe = FeNO32 + Sr =>
SrNO32 + Fe = FeNO32 + Sr
Cr2O7{2-} + S2{-} + H{+} = Cr3{+} + S + H2O =>
3 Cr2O7{2-} + 34 S2{-} + 42 H{+} = 2 Cr3{+} + 68 S + 21 H2O
Na9 + (H2O)9 = NaOH + H2 =>
2 Na9 + 2(H2O)9 = 18 NaOH + 9 H2
C3H5N3O9(l) = N2(g) + CO2(g) + H20(g) + O2(g) =>
4 C3H5N3O9(l) = 6 N2(g) + 12 CO2(g) + H20(g) + 6 O2(g)
CH2OHCH2OH + Ag(NH3)2OH = CH3COONH4 + Ag + NH3 + H2O =>
CH2OHCH2OH + 2 Ag(NH3)2OH = CH3COONH4 + 2 Ag + 3 NH3 + 2 H2O
FeO + Al(OH)3 = Fe(OH)3 + AlO =>
FeO + Al(OH)3 = Fe(OH)3 + AlO
Li + H3PO3 = LiPO3 + H2 =>
2 Li + 2 H3PO3 = 2 LiPO3 + 3 H2
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
C5H8 + CH3COOH = CH3COOCH(CH3)2 + CO2 =>
C5H8 + 3 CH3COOH = 2 CH3COOCH(CH3)2 + CO2
C6H + oxygen = carbondioxide + water =>
4 C6H + 25 O2 = 24 CO2 + 2 H2O
PbO2 + H{+} + SO3{-2} = Pb{+2} + H2O + SO4{-2} =>
PbO2 + 2 H{+} + SO3{-2} = Pb{+2} + H2O + SO4{-2}
SiCl4 + O2 = SiO2 + Cl2 =>
SiCl4 + O2 = SiO2 + 2 Cl2
Zn + HCl(aq) = ZnCl2 + H =>
Zn + 2 HCl(aq) = ZnCl2 + 2 H
S + HNO3 = NO3S + H2 =>
2 S + 2 HNO3 = 2 NO3S + H2
HBr + SnBr2 + O3 = SnBr4 + H2O =>
6 HBr + 3 SnBr2 + O3 = 3 SnBr4 + 3 H2O
KCrO2 + H2SO4 = KCrO4 + SO2 + H2O =>
KCrO2 + 2 H2SO4 = KCrO4 + 2 SO2 + 2 H2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Na3[SbS4] + HCl = Sb2S3 + H2S + NaCl + S =>
2 Na3[SbS4] + 6 HCl = Sb2S3 + 3 H2S + 6 NaCl + 2 S
K2Cr2O7 + CrCl2 + H2SO4 = K2SO4 + CrCl3 + H2O + CrSO4 =>
K2Cr2O7 + 12 CrCl2 + 7 H2SO4 = K2SO4 + 8 CrCl3 + 7 H2O + 6 CrSO4
NH4ClO4 = N2 + HCl2 + O2 + H2O =>
8 NH4ClO4 = 4 N2 + 4 HCl2 + 9 O2 + 14 H2O
Zn + O2 = Zn2{+} + O{-}2 =>
4 Zn + O2 = 2 Zn2{+} + 2 O{-}2
C11H22O11 = CO2 + C2H5OH =>
3 C11H22O11 = 11 CO2 + 11 C2H5OH
KOH + C2H6O = H2O + C2H5O + K =>
KOH + C2H6O = H2O + C2H5O + K
N2O5 + C = N2 + CO2 =>
2 N2O5 + 5 C = 2 N2 + 5 CO2
CH3COOH + Mg = H2 + Mg{2+} + (CH3COO{-})2 =>
4 CH3COOH + Mg = 2 H2 + Mg{2+} + 2(CH3COO{-})2
CuCl + HgI2 + KI = KCl + Cu2HgI4 =>
2 CuCl + HgI2 + 2 KI = 2 KCl + Cu2HgI4
KOH + Al = Al4OH + K =>
KOH + 4 Al = Al4OH + K
Bi(NO3)3 + KOH = Bi(OH)3 + KNO3 =>
Bi(NO3)3 + 3 KOH = Bi(OH)3 + 3 KNO3
Mn(NO3)2 + Na2S = MnS + Na2(NO3)2 =>
Mn(NO3)2 + Na2S = MnS + Na2(NO3)2
TiCl + LiH = Ti + LiCl + H2 =>
2 TiCl + 2 LiH = 2 Ti + 2 LiCl + H2
F + RbBr = RbF + Br =>
F + RbBr = RbF + Br
Au + NaBH4 + H2O = AuH3 + NaB(OH)4 =>
8 Au + 3 NaBH4 + 12 H2O = 8 AuH3 + 3 NaB(OH)4
Na2SO4 + Cl = ClSO4 + Na =>
Na2SO4 + Cl = ClSO4 + 2 Na
NaI + NaIO3 + H2SO4 = NaI3 + Na2SO4 + H2O =>
8 NaI + NaIO3 + 3 H2SO4 = 3 NaI3 + 3 Na2SO4 + 3 H2O
CuSO4*5(H2O) + Na2CO3 = Cu2CO3(OH)2 + Na2SO4 + CO2 + H2O =>
2 CuSO4*5(H2O) + 2 Na2CO3 = Cu2CO3(OH)2 + 2 Na2SO4 + CO2 + 9 H2O
MgO + NO = MgO2 + N2 =>
2 MgO + 2 NO = 2 MgO2 + N2
KF + Sr(NO3)2 = SrF2 + KNO3 =>
2 KF + Sr(NO3)2 = SrF2 + 2 KNO3
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Zn + NHO3 = Zn(NO3)2 + H2 =>
Zn + 2 NHO3 = Zn(NO3)2 + H2
Y(OH)3 + NaOH = Na[Y(OH)4] =>
Y(OH)3 + NaOH = Na[Y(OH)4]
Cr(NO3)2(aq) + Na2CO3(aq) = CrCO3(s) + NaNO3(aq) =>
Cr(NO3)2(aq) + Na2CO3(aq) = CrCO3(s) + 2 NaNO3(aq)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/10/25
Équations équilibrées sur02/09/24
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