| Équations équilibrées la veille | Équations équilibrées le lendemain |
MnO4{2-} + 2 C2O4{2-} + 8 H{+} = Mn{2+} + 4 H2CO3
SrCl2*6H2O + NiCl2*6H2O + KNO2 = K2SrNi(NO2)6 + H2O + KCl =>
SrCl2*6H2O + NiCl2*6H2O + 6 KNO2 = K2SrNi(NO2)6 + 12 H2O + 4 KCl
SnO + CO = Sn + CO2 =>
SnO + CO = Sn + CO2
(NH4)2SO4 + CaCl2 = CaSO4 + NH4Cl =>
(NH4)2SO4 + CaCl2 = CaSO4 + 2 NH4Cl
NH4Br + Ba(NO3)2 = BaBr2 + NH4NO3 =>
2 NH4Br + Ba(NO3)2 = BaBr2 + 2 NH4NO3
FeBr3 + NaOH + Cl2 = NaCl + H2O + Fe(BrO3)3 =>
FeBr3 + 18 NaOH + 9 Cl2 = 18 NaCl + 9 H2O + Fe(BrO3)3
Na4SnO4 + HCl = NaCl + SnCl2 + Cl2 + H2O =>
Na4SnO4 + 8 HCl = 4 NaCl + SnCl2 + Cl2 + 4 H2O
Bi2O3 + ClO = BiO3 + Cl =>
Bi2O3 + 3 ClO = 2 BiO3 + 3 Cl
ZrN + H2O = Zr(OH)4 + H2 + NH2 =>
ZrN + 4 H2O = Zr(OH)4 + H2 + NH2
Cu + Ag{+} = Ag + Cu{2+} =>
Cu + 2 Ag{+} = 2 Ag + Cu{2+}
KOCl + Al + NaOH = KCl + Na2AlO3 + H2O =>
2 KOCl + Al + 2 NaOH = 2 KCl + Na2AlO3 + H2O
Zn(CH3COO)2 + NaCO3 + H2O = Zn2(OH)2CO3 + CH3COONa + CO2 =>
18 Zn(CH3COO)2 + 32 NaCO3 + 3 H2O = 9 Zn2(OH)2CO3 + 32 CH3COONa + 31 CO2
H2 + Ta2O3 = Ta + H2O =>
3 H2 + Ta2O3 = 2 Ta + 3 H2O
Ba(OH)2 + HCl = BaCl2 + H2O =>
Ba(OH)2 + 2 HCl = BaCl2 + 2 H2O
H2S + H2O = H2 + SO2 =>
H2S + 2 H2O = 3 H2 + SO2
Cu + K2Cr2O7 + H2SO4 = H2O + Cr2SO4 + CuSO4 + K2SO4 =>
5 Cu + K2Cr2O7 + 7 H2SO4 = 7 H2O + Cr2SO4 + 5 CuSO4 + K2SO4
H2SO4 + KI = H2S + I2 + K2SO4 + H2O =>
5 H2SO4 + 8 KI = H2S + 4 I2 + 4 K2SO4 + 4 H2O
HNO3 + Li2CO3 = LiNO3 + LiHCO3 =>
HNO3 + Li2CO3 = LiNO3 + LiHCO3
F3Ca = CaF3 =>
F3Ca = CaF3
HNO3 + KI = NO2 + I2 + H2O + KNO3 =>
4 HNO3 + 2 KI = 2 NO2 + I2 + 2 H2O + 2 KNO3
Ca + HBr = Ca(Br)2 + H2 =>
Ca + 2 HBr = Ca(Br)2 + H2
KHCO3(aq) + HCl(aq) = KCl(aq) + H2O(l) + CO2 =>
KHCO3(aq) + HCl(aq) = KCl(aq) + H2O(l) + CO2
NaI(aq) + AlCl3(aq) = NaCl(aq) + AlI3(s) =>
3 NaI(aq) + AlCl3(aq) = 3 NaCl(aq) + AlI3(s)
Pb3(PO4)2 + Na = Na3PO4 + Pb =>
Pb3(PO4)2 + 6 Na = 2 Na3PO4 + 3 Pb
Ca + H4SiO4 = Ca4(SiO4)2 + H2 =>
4 Ca + 2 H4SiO4 = Ca4(SiO4)2 + 4 H2
NaH2PO4 + Mg(OH)2 = Na3PO4 + Mg3(PO4)2 + H2O =>
3 NaH2PO4 + 3 Mg(OH)2 = Na3PO4 + Mg3(PO4)2 + 6 H2O
Fe + NH3 + H2O = FeHO2 + NH4 =>
Fe + 3 NH3 + 2 H2O = FeHO2 + 3 NH4
C2H4O + OH{-} + CU{2+} = C2H4O2 + CU2O + H2O =>
2 C2H4O + 8 OH{-} + 4 CU{2+} = 3 C2H4O2 + 2 CU2O + 2 H2O
KClO3 + FeCl2HCl = FeCl3 + KCl + H2O =>
KClO3 + 6 FeCl2HCl = 6 FeCl3 + KCl + 3 H2O
Fe + H{2}SO4 = Fe{2}(SO4)3 + H2 =>
2 Fe + 2 H{2}SO4 = 2 Fe{2}(SO4)3 + H2
C2H4O + CuSO4 + NaOH = NaC2H3O2 + Cu2O + Na2SO4 + H2O =>
C2H4O + 2 CuSO4 + 5 NaOH = NaC2H3O2 + Cu2O + 2 Na2SO4 + 3 H2O
Mg(OH)2(s) + HNO3(aq) = Mg(NO3)2(aq) + H2O =>
Mg(OH)2(s) + 2 HNO3(aq) = Mg(NO3)2(aq) + 2 H2O
C(s) + H2(g) + O2(g) = CH3OH(l) =>
2 C(s) + 4 H2(g) + O2(g) = 2 CH3OH(l)
HgO + KI + H2O = K2[HgI4] + KOH =>
HgO + 4 KI + H2O = K2[HgI4] + 2 KOH
KClO3 + SnCl2 + KOH = K2SnO3 + KCl + H2O =>
KClO3 + 3 SnCl2 + 12 KOH = 3 K2SnO3 + 7 KCl + 6 H2O
PbO + N = PbN + O =>
PbO + N = PbN + O
MnOKClO3 = MnO2KClO2 =>
MnOKClO3 = MnO2KClO2
C6H10O2 + Na2Cr2O7 + H2SO4 = C6H10O4 + Cr2(SO4)3 + Na2SO4 + H2O =>
3 C6H10O2 + 2 Na2Cr2O7 + 8 H2SO4 = 3 C6H10O4 + 2 Cr2(SO4)3 + 2 Na2SO4 + 8 H2O
KBrO3 + KI + HNO3 = Br2 + H2O + KNO3 + KIO3 =>
6 KBrO3 + 5 KI + 6 HNO3 = 3 Br2 + 3 H2O + 6 KNO3 + 5 KIO3
LiClO + H2O = LiOH + HClO =>
LiClO + H2O = LiOH + HClO
Mg(s)HCl(AQ) = Mg(AQ)HCl(g) =>
Mg(s)HCl(AQ) = Mg(AQ)HCl(g)
C4H8S + O2 = CO + H2O + SO2 =>
C4H8S + 5 O2 = 4 CO + 4 H2O + SO2
I2 + H2O = I{-} + IO3{-} + H{+} =>
3 I2 + 3 H2O = 5 I{-} + IO3{-} + 6 H{+}
CoCl2 + KI = KCl + CoI2 =>
CoCl2 + 2 KI = 2 KCl + CoI2
NH3 + Cu(NO3)2 = N(NO3)2 + CuH3 =>
NH3 + Cu(NO3)2 = N(NO3)2 + CuH3
CdO + SeS2 = CdS + SeO2 =>
2 CdO + SeS2 = 2 CdS + SeO2
FeO + SO3 = FeO3 + SO =>
FeO + SO3 = FeO3 + SO
K2Cr2O7 + HI + HNO3 = Cr(NO3)2 + I2 + KNO3 + H2O =>
K2Cr2O7 + 8 HI + 6 HNO3 = 2 Cr(NO3)2 + 4 I2 + 2 KNO3 + 7 H2O
C5H10 + O2 = CO2 + H2O =>
2 C5H10 + 15 O2 = 10 CO2 + 10 H2O
NaC18H29SO3 + O2 = CO2 + H2O + H2SO4 + Na2SO4 =>
2 NaC18H29SO3 + 51 O2 = 36 CO2 + 28 H2O + H2SO4 + Na2SO4
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
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