| Équations équilibrées la veille | Équations équilibrées le lendemain |
Sn + 2 NaOH = Na2SnO2 + H2
H2O + Al + H2BO3{-} = BH4{-} + H2AlO3{-} + H{+} =>
15 H2O + 8 Al + 3 H2BO3{-} = 3 BH4{-} + 8 H2AlO3{-} + 8 H{+}
Ca(NO2)2(aq) + Na2SO4(s) = CaSO4(s) + NaNO2(aq) =>
Ca(NO2)2(aq) + Na2SO4(s) = CaSO4(s) + 2 NaNO2(aq)
MgS + H2PO4 = MgPO4 + H2S =>
MgS + H2PO4 = MgPO4 + H2S
NaO + HCl = NaCl + H + O =>
NaO + HCl = NaCl + H + O
AuCl + Pb = PbCl4 + Au =>
4 AuCl + Pb = PbCl4 + 4 Au
C6H2(NO2)3OH + Na2S2 + H2O = C6H2(NO2)2NH2OH + Na2S2O3 =>
C6H2(NO2)3OH + Na2S2 + H2O = C6H2(NO2)2NH2OH + Na2S2O3
Fe(OH)2 + H4Br2O5 = H2O + Fe2(Br2O5) =>
2 Fe(OH)2 + H4Br2O5 = 4 H2O + Fe2(Br2O5)
HI + Ca3(PO4)2 = CaI2 + H3PO4 =>
6 HI + Ca3(PO4)2 = 3 CaI2 + 2 H3PO4
PbS + H2O = PbSO4 + H =>
PbS + 4 H2O = PbSO4 + 8 H
FeSO4 + K2Cr2O7 + H2SO4 = K2SO4 + Cr3(SO4)3 + H2O + Fe2(SO4)3 =>
24 FeSO4 + 3 K2Cr2O7 + 21 H2SO4 = 3 K2SO4 + 2 Cr3(SO4)3 + 21 H2O + 12 Fe2(SO4)3
NaNO3(aq) + H2O(l) = NaNO2(aq) + OH =>
NaNO3(aq) + H2O(l) = NaNO2(aq) + 2 OH
Li2S + S = Li2S6 =>
Li2S + 5 S = Li2S6
CH3CH2CH2CH2CH2COOH + CH3CH2OH = CH3CH2CH2CH2CH2COCH2CH3 + H2O =>
CH3CH2CH2CH2CH2COOH + 5 CH3CH2OH = 2 CH3CH2CH2CH2CH2COCH2CH3 + 5 H2O
C5H12O(g) + O2(g) = CO2(g) + H2O =>
2 C5H12O(g) + 15 O2(g) = 10 CO2(g) + 12 H2O
H2SO4(aq) + Sr(s) = SrSO4 + H2 =>
H2SO4(aq) + Sr(s) = SrSO4 + H2
CO2 + H2SO4 = H2CO3 + SO3 =>
CO2 + H2SO4 = H2CO3 + SO3
C15H30 + O2 = CO2 + H2O =>
2 C15H30 + 45 O2 = 30 CO2 + 30 H2O
Zn + Cu(ClO4)2 = ZnClO4 + Cu =>
2 Zn + Cu(ClO4)2 = 2 ZnClO4 + Cu
Br2 + KOH(t) = H2O + KBr + KBrO3 =>
3 Br2 + 6 KOH(t) = 3 H2O + 5 KBr + KBrO3
Al(OH)3 + HCl = Al(OH)Cl2 + H2O =>
Al(OH)3 + 2 HCl = Al(OH)Cl2 + 2 H2O
HBrO3 + SO2 + H2O = Br2 + H2SO4 =>
2 HBrO3 + 5 SO2 + 4 H2O = Br2 + 5 H2SO4
Al + Ca(C2H3O2)2 = Ca + Al(C2H3O2)2 =>
Al + Ca(C2H3O2)2 = Ca + Al(C2H3O2)2
Ag + ZnCl2 = AgCl2 + Zn =>
Ag + ZnCl2 = AgCl2 + Zn
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
NH4OH + C8H5KO4 = NH4C8H4KO4 + H2O =>
NH4OH + C8H5KO4 = NH4C8H4KO4 + H2O
H2O2 + MnCl2 + KOH = KMnO4 + KClO + H2O =>
9 H2O2 + 2 MnCl2 + 6 KOH = 2 KMnO4 + 4 KClO + 12 H2O
C2H6(g) + O(g) = CO(g) + H2O(g) =>
C2H6(g) + 5 O(g) = 2 CO(g) + 3 H2O(g)
KOH + CuS = Cu(OH)2 + K2S =>
2 KOH + CuS = Cu(OH)2 + K2S
Na3PO4 + AgNO3 = Ag3PO4 + NaNO3 =>
Na3PO4 + 3 AgNO3 = Ag3PO4 + 3 NaNO3
Cu2O + H{+} = H2O + Cu{+} =>
Cu2O + 2 H{+} = H2O + 2 Cu{+}
C2H6O(g) + O2 = CO2 + H2O =>
C2H6O(g) + 3 O2 = 2 CO2 + 3 H2O
Cr + HNO3 = Cr(NO3)3 + H2 =>
2 Cr + 6 HNO3 = 2 Cr(NO3)3 + 3 H2
Ni2O3 + H2SO4 = Ni2S3O12 + H2O =>
Ni2O3 + 3 H2SO4 = Ni2S3O12 + 3 H2O
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
NH4ZnPO4 = Zn2P2O7 + NH3 + H2O =>
2 NH4ZnPO4 = Zn2P2O7 + 2 NH3 + H2O
Br2 + K(OH) = KBr + KBrO3 + H2O =>
3 Br2 + 6 K(OH) = 5 KBr + KBrO3 + 3 H2O
NaI + MnO2 + H2SO4 = Mn(SO4) + NaHSO4 + I2 + H2O =>
2 NaI + MnO2 + 3 H2SO4 = Mn(SO4) + 2 NaHSO4 + I2 + 2 H2O
{3}O{-}2 = {2}O{-}3 =>
2{3}O{-}2 = 3{2}O{-}3
Ag + H2S + O3 = AgS2 + H2O =>
3 Ag + 6 H2S + 2 O3 = 3 AgS2 + 6 H2O
MgO + NH4Cl = MgCl2 + NH3 + H2O =>
MgO + 2 NH4Cl = MgCl2 + 2 NH3 + H2O
CaO + P2O5 = Ca3(PO4)2 =>
3 CaO + P2O5 = Ca3(PO4)2
SiH4 + KMnO4 + H2SO4 = MnSO4 + SiO2 + KOH + H2O =>
5 SiH4 + 8 KMnO4 + 8 H2SO4 = 8 MnSO4 + 5 SiO2 + 8 KOH + 14 H2O
NH4OH + H2CO3 = HOH + (NH4)2(CO3) =>
2 NH4OH + H2CO3 = 2 HOH + (NH4)2(CO3)
CO2(g) + NaOH(aq) = Na2CO3 + H2O =>
CO2(g) + 2 NaOH(aq) = Na2CO3 + H2O
NH4(HCO3) = NH3 + H2O + CO2 =>
NH4(HCO3) = NH3 + H2O + CO2
H2O + H{+} + C6H12O6 + HS{-} = CH3OH + SO3 =>
9 H2O + 3 H{+} + 2 C6H12O6 + 3 HS{-} = 12 CH3OH + 3 SO3
Al + K2Cr2O7 + HCl = CrCl3 + AlCrO4 + KCl + H2O =>
6 Al + 5 K2Cr2O7 + 22 HCl = 4 CrCl3 + 6 AlCrO4 + 10 KCl + 11 H2O
CaCO3 + Mg3(PO4)2 = MgCO3 + Ca3(PO4)2 =>
3 CaCO3 + Mg3(PO4)2 = 3 MgCO3 + Ca3(PO4)2
HNO2 + KI + HCl = I2 + N2 + KCl + H2O =>
2 HNO2 + 6 KI + 6 HCl = 3 I2 + N2 + 6 KCl + 4 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/16/24
Équations équilibrées sur11/15/23
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