| Équations équilibrées la veille | Équations équilibrées le lendemain |
Fe3O4 + 4 CO = 3 Fe + 4 CO2
Br2 + CrCl2 + NaOH = Na2CrO4 + NaBr + NaCl + H2O =>
2 Br2 + CrCl2 + 8 NaOH = Na2CrO4 + 4 NaBr + 2 NaCl + 4 H2O
CaCl2 + C18H35NaO2 = C36H70CaO4 + NaCl =>
CaCl2 + 2 C18H35NaO2 = C36H70CaO4 + 2 NaCl
K2O + HNO3 = H2O + KNO3 =>
K2O + 2 HNO3 = H2O + 2 KNO3
FeBr3 + I2 = FeI3 + Br2 =>
2 FeBr3 + 3 I2 = 2 FeI3 + 3 Br2
H3N + H2 = NH4 =>
2 H3N + H2 = 2 NH4
CuZn + HNO3 = Cu(NO3)2 + H2O + NO2 + Zn(NO3)2 =>
CuZn + 8 HNO3 = Cu(NO3)2 + 4 H2O + 4 NO2 + Zn(NO3)2
CuCl + PbO2 + HCl = Pb3O4 + CuCl2 + H2O =>
4 CuCl + 3 PbO2 + 4 HCl = Pb3O4 + 4 CuCl2 + 2 H2O
NaCl + KI = ICl + NaK =>
NaCl + KI = ICl + NaK
PBNO3 + KOH = KNO3 + PBOH =>
PBNO3 + KOH = KNO3 + PBOH
NaF + CaBr2 = CaF2 + NaBr =>
2 NaF + CaBr2 = CaF2 + 2 NaBr
CrCl3 + NaOH = Cr2O3 + HCl + NaCl =>
2 CrCl3 + 3 NaOH = Cr2O3 + 3 HCl + 3 NaCl
Li2CO3 + HNO3 = LiNO3 + H2CO3 =>
Li2CO3 + 2 HNO3 = 2 LiNO3 + H2CO3
Cu(s) + AgNO3 = (aq)Cu(NO3)2(aq) + Ag(s) =>
Cu(s) + 2 AgNO3 = (aq)Cu(NO3)2(aq) + 2 Ag(s)
CH3COOH + Ag2O = CO2 + H2O + Ag =>
CH3COOH + 4 Ag2O = 2 CO2 + 2 H2O + 8 Ag
As + NaOH = NaAs3O + H =>
3 As + NaOH = NaAs3O + H
Ca + C = CaC6 =>
Ca + 6 C = CaC6
C10H16O + C12H28BLi + H2O = C10H18O + C12H27BO3 + LiOH =>
4 C10H16O + C12H28BLi + 4 H2O = 4 C10H18O + C12H27BO3 + LiOH
KClO3 + NaHSO3 = Na2SO4 + KCl + H2SO3 =>
KClO3 + 6 NaHSO3 = 3 Na2SO4 + KCl + 3 H2SO3
Cu(OH)2 + HNO3 = Cu(NO3)2 + H2O =>
Cu(OH)2 + 2 HNO3 = Cu(NO3)2 + 2 H2O
Ca(OH)2(aq) + HCl(aq) = CaCl2(aq) + H2O(l) =>
Ca(OH)2(aq) + 2 HCl(aq) = CaCl2(aq) + 2 H2O(l)
Na2S3 + HNO3 = Na2SO4 + H2SO4 + NO + H2O =>
3 Na2S3 + 20 HNO3 = 3 Na2SO4 + 6 H2SO4 + 20 NO + 4 H2O
CrSO4 + H2SO4 = Cr2(SO4)3 + H2S + H2O =>
8 CrSO4 + 5 H2SO4 = 4 Cr2(SO4)3 + H2S + 4 H2O
NaAlH4 + H2O = Al(OH)3 + NaOH + H2 =>
NaAlH4 + 4 H2O = Al(OH)3 + NaOH + 4 H2
FeS2 + HBr = FeBr2 + S + H2 =>
FeS2 + 2 HBr = FeBr2 + 2 S + H2
Mg(OH)2(aq) + HBr(aq) = MgBr2(aq) + H2O(l) =>
Mg(OH)2(aq) + 2 HBr(aq) = MgBr2(aq) + 2 H2O(l)
Na2S3 + HNO3 = Na2SO4 + H2SO4 + NO + H2O =>
3 Na2S3 + 20 HNO3 = 3 Na2SO4 + 6 H2SO4 + 20 NO + 4 H2O
Ba(OH)2(aq) + HCl(aq) = BaCl2(aq) + H2O(l) =>
Ba(OH)2(aq) + 2 HCl(aq) = BaCl2(aq) + 2 H2O(l)
HCl + NaCO3 = CO2 + H2O + NaCl2 =>
2 HCl + NaCO3 = CO2 + H2O + NaCl2
Ba(OH)2(s) + HCl(aq) = H2O(aq) + BaCl2(aq) =>
Ba(OH)2(s) + 2 HCl(aq) = 2 H2O(aq) + BaCl2(aq)
Ba(NO3)2(aq) + NaOH(aq) = Ba(OH)2 + NaNO3(aq) =>
Ba(NO3)2(aq) + 2 NaOH(aq) = Ba(OH)2 + 2 NaNO3(aq)
KCl + K2SO3 + Br2 + H2O = K2SO4 + KBr + HCl =>
2 KCl + K2SO3 + Br2 + H2O = K2SO4 + 2 KBr + 2 HCl
HNO3 + FeO = Fe(NO3)3 + H2O + NO =>
10 HNO3 + 3 FeO = 3 Fe(NO3)3 + 5 H2O + NO
CuBr + HNO3 = Cu(NO3)2 + NO + HBr + H2O =>
3 CuBr + 7 HNO3 = 3 Cu(NO3)2 + NO + 3 HBr + 2 H2O
Ca3(PO4)2 + HNO3 = Ca(NO3)2 + H3PO4 =>
Ca3(PO4)2 + 6 HNO3 = 3 Ca(NO3)2 + 2 H3PO4
Yb(NO3)3*5H2O + Fe(NO3)3*9H2O + C2H5O2N = YbFe2O4 + CO2 + N2 + H2O =>
18 Yb(NO3)3*5H2O + 36 Fe(NO3)3*9H2O + 92 C2H5O2N = 18 YbFe2O4 + 184 CO2 + 127 N2 + 644 H2O
MgCO3*CaCO3 + HCl = MgCl2 + CaCl2 + H2O + CO2 =>
MgCO3*CaCO3 + 4 HCl = MgCl2 + CaCl2 + 2 H2O + 2 CO2
NaCl + Na2CO3 = Na + Cl2CO3 =>
2 NaCl + Na2CO3 = 4 Na + Cl2CO3
CuSO4*5H2O + Zn = ZnSO4 + H2O + Cu =>
CuSO4*5H2O + Zn = ZnSO4 + 5 H2O + Cu
S{2-} + ClO4{-} + H2O = ClO3{-} + S + OH{-} =>
S{2-} + ClO4{-} + H2O = ClO3{-} + S + 2 OH{-}
AgCl = Ag + Cl =>
AgCl = Ag + Cl
KMnO4 + AlI3 + H2SO4 = MnSO4 + K2SO4 + Al2S3O12 + I2 + H2O =>
6 KMnO4 + 10 AlI3 + 24 H2SO4 = 6 MnSO4 + 3 K2SO4 + 5 Al2S3O12 + 15 I2 + 24 H2O
NH4OH + Ba3(PO4)2 = (NH4)3PO4 + Ba(OH)2 =>
6 NH4OH + Ba3(PO4)2 = 2(NH4)3PO4 + 3 Ba(OH)2
H2O + NO3 = O2 + NH3 =>
6 H2O + 4 NO3 = 9 O2 + 4 NH3
Cu(OH)2 + HCl = CuCl2 + H2O =>
Cu(OH)2 + 2 HCl = CuCl2 + 2 H2O
H{+} + Cr2O7{-2} + C2H5OH = Cr3{+} + C2H4O2 + H2O =>
16 H{+} + 6 Cr2O7{-2} + 17 C2H5OH = 4 Cr3{+} + 17 C2H4O2 + 25 H2O
Al2O3 + H2O = Al2OH + H2O3 =>
4 Al2O3 + 7 H2O = 4 Al2OH + 5 H2O3
Al(MnO4)3 + C2H7NO2 = NH4(MnO4) + Al(C2H3O2)3 =>
Al(MnO4)3 + 3 C2H7NO2 = 3 NH4(MnO4) + Al(C2H3O2)3
PbS(s) + HNO3(aq) = S(s) + Pb(NO3)2(aq) + H2O(l) + NO(g) =>
3 PbS(s) + 8 HNO3(aq) = 3 S(s) + 3 Pb(NO3)2(aq) + 4 H2O(l) + 2 NO(g)
VCl3(aq) + NaOH(aq) + H2O2(aq) = VO3(aq) + NaCl(aq) + H2O =>
2 VCl3(aq) + 6 NaOH(aq) + 3 H2O2(aq) = 2 VO3(aq) + 6 NaCl(aq) + 6 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/08/25
Équations équilibrées sur02/07/24
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