| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 FeCl2 + H2O2 + 2 HCl + 10 H2O = 2 FeCl3*6H2O
P4H10(s) + H2O(l) = H3PO4(l) + H2(g) =>
P4H10(s) + 16 H2O(l) = 4 H3PO4(l) + 15 H2(g)
K2Cr2O7 + KI + HCl + Na2S2O3 = CrCl3 + KCl + H2O + NaI + Na2S4O6 =>
K2Cr2O7 + 6 KI + 14 HCl + 6 Na2S2O3 = 2 CrCl3 + 8 KCl + 7 H2O + 6 NaI + 3 Na2S4O6
KMnO4 + FeSO3 + H2SO4 = Fe2(SO4)3 + K2SO4 + MnSO4 + H2O =>
6 KMnO4 + 10 FeSO3 + 14 H2SO4 = 5 Fe2(SO4)3 + 3 K2SO4 + 6 MnSO4 + 14 H2O
NaSO3 + K2CrO7 + H2SO4 = Na2SO4 + K2SO4 + Cr(SO4)3 + H2O =>
6 NaSO3 + K2CrO7 + H2SO4 = 3 Na2SO4 + K2SO4 + Cr(SO4)3 + H2O
Ba(OH)2 + HCl = BaCl + O2 + H2 =>
2 Ba(OH)2 + 2 HCl = 2 BaCl + 2 O2 + 3 H2
Li2O + H2O = LiOH =>
Li2O + H2O = 2 LiOH
H2O + CrO4{2-} + V(OH)3 = Cr(OH)3 + VO{2+} + OH{-} =>
H2O + CrO4{2-} + 3 V(OH)3 = Cr(OH)3 + 3 VO{2+} + 8 OH{-}
PCl3(l) + KClO3(s) = POCl3(l) + KCl(aq) =>
3 PCl3(l) + KClO3(s) = 3 POCl3(l) + KCl(aq)
Mg2 + H2SO4 = MgSO4 + H2 =>
Mg2 + 2 H2SO4 = 2 MgSO4 + 2 H2
KBrO3 + H2S = Br2 + KOH + S + H2O =>
2 KBrO3 + 5 H2S = Br2 + 2 KOH + 5 S + 4 H2O
SO2Cl2 + H2O = H2SO4 + HCl =>
SO2Cl2 + 2 H2O = H2SO4 + 2 HCl
CaO + LiOH = Ca(OH)2 + Li2O =>
CaO + 2 LiOH = Ca(OH)2 + Li2O
KCl(aq) + Mg(NO3)2(aq) = K(NO3)2(aq) + MgCl(aq) =>
KCl(aq) + Mg(NO3)2(aq) = K(NO3)2(aq) + MgCl(aq)
Al(ClO4)3 + H2O = HClO4 + Al(OH)3 =>
Al(ClO4)3 + 3 H2O = 3 HClO4 + Al(OH)3
S + Cl = S2(Cl2)2 =>
2 S + 4 Cl = S2(Cl2)2
KOH + Cl2 = KClO3 + H2O + KCl =>
6 KOH + 3 Cl2 = KClO3 + 3 H2O + 5 KCl
H2O + N = NO + NH3 =>
3 H2O + 5 N = 3 NO + 2 NH3
BaCl + K2CrO4 = Ba2CrO4 + KCl =>
2 BaCl + K2CrO4 = Ba2CrO4 + 2 KCl
Cs2SO4 + H2O = CsOH + H2SO4 =>
Cs2SO4 + 2 H2O = 2 CsOH + H2SO4
KJ + FeCl3 = FeCl2 + J2 + KCl =>
2 KJ + 2 FeCl3 = 2 FeCl2 + J2 + 2 KCl
C + K = CK =>
C + K = CK
NaC6H5CO2 + H2O = NaC6H7CO3 =>
NaC6H5CO2 + H2O = NaC6H7CO3
Cu(OH)2 + H2(SO4) = CuSO4 + H2O =>
Cu(OH)2 + H2(SO4) = CuSO4 + 2 H2O
Al + FeO = Al2O3 + Fe =>
2 Al + 3 FeO = Al2O3 + 3 Fe
C2H5COOH + HNO3 = HNO2 + H2O + CO2 =>
C2H5COOH + 7 HNO3 = 7 HNO2 + 3 H2O + 3 CO2
Na2TeO3 = Na + Te + O2 =>
2 Na2TeO3 = 4 Na + 2 Te + 3 O2
Al(OH)3 + NH4OH = NH4(Al(OH)4) =>
Al(OH)3 + NH4OH = NH4(Al(OH)4)
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
C4H10O + O2 = C4O2 + H2O =>
C4H10O + 3 O2 = C4O2 + 5 H2O
NaNO3 = O2 + NaNO2 =>
2 NaNO3 = O2 + 2 NaNO2
CH3(CH2)2CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)2CH3 + 13 O2 = 8 CO2 + 10 H2O
Ag(NO3)2 + HCl = AgCl2 + HNO3 =>
Ag(NO3)2 + 2 HCl = AgCl2 + 2 HNO3
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
H2O2 + N2H = HNO3 + H2O =>
11 H2O2 + 2 N2H = 4 HNO3 + 10 H2O
CH6O + O2 = H2O + CO2 =>
CH6O + 2 O2 = 3 H2O + CO2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
FeS2 = Fe2S3 + S2 =>
4 FeS2 = 2 Fe2S3 + S2
NaCl + H2SO4 + AgNO3 = Na2SO4 + HNO3 + AgCl =>
2 NaCl + H2SO4 + 2 AgNO3 = Na2SO4 + 2 HNO3 + 2 AgCl
C9H13N + H2SO4 = (C9H13N)H2SO4 =>
C9H13N + H2SO4 = (C9H13N)H2SO4
HCOOH + Ca(OH)2 = Ca(HCOO)2 + H2O =>
2 HCOOH + Ca(OH)2 = Ca(HCOO)2 + 2 H2O
Na2C2O4 + HCl = NaCl + C2H2O4 =>
Na2C2O4 + 2 HCl = 2 NaCl + C2H2O4
CH2FCOOH + NaOH = CH2FCOONa + H2O =>
CH2FCOOH + NaOH = CH2FCOONa + H2O
ZnBr2 + AgNO3 = ZnNO3 + AgBr2 =>
ZnBr2 + AgNO3 = ZnNO3 + AgBr2
Al2(SO4)3 + H2SO4 = Al(HSO4)3 =>
Al2(SO4)3 + 3 H2SO4 = 2 Al(HSO4)3
FeCl3 + (NaOH) = Fe(OH)3 + NaCl =>
FeCl3 + 3(NaOH) = Fe(OH)3 + 3 NaCl
Be + MgNO3 = Be(NO3)2 + Mg =>
Be + 2 MgNO3 = Be(NO3)2 + 2 Mg
P2 + O5 = P2O5 =>
P2 + O5 = P2O5
AgNO2 + BaSO4 = AgBa + NO2SO4 =>
AgNO2 + BaSO4 = AgBa + NO2SO4
CaCO3 + LiNO3 = Li2CO3 + Ca(NO3)2 =>
CaCO3 + 2 LiNO3 = Li2CO3 + Ca(NO3)2
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