| Équations équilibrées la veille | Équations équilibrées le lendemain |
ZnNO3 + Na2CO3 = Na2NO3 + ZnCO3
Bi2S3 + O2 = Bi2O3 + SO2 =>
2 Bi2S3 + 9 O2 = 2 Bi2O3 + 6 SO2
Mg(NO3)2(aq) + NaI(aq) = MgI2 + NaNO3 =>
Mg(NO3)2(aq) + 2 NaI(aq) = MgI2 + 2 NaNO3
Na + H2 + C2 + O3 = NaHCO3 =>
2 Na + H2 + C2 + 2 O3 = 2 NaHCO3
Ca(OH)2 + P2O5 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + P2O5 = Ca3(PO4)2 + 3 H2O
Sb4S3 + O = Sb4O6 + SO2 =>
Sb4S3 + 12 O = Sb4O6 + 3 SO2
BaCl2 + NaHCO3 = Ba(HCO3)2 + Na2Cl2 =>
BaCl2 + 2 NaHCO3 = Ba(HCO3)2 + Na2Cl2
H3AsO3 + MnO4 = HAsO4 + Mn2 + H =>
8 H3AsO3 + 2 MnO4 = 8 HAsO4 + Mn2 + 16 H
Na + CO(NH2)2 = NaCN + NH3 + Na2CO3 =>
4 Na + 3 CO(NH2)2 = 2 NaCN + 4 NH3 + Na2CO3
(Cr2O7){-2} + e + H{+} = Cr + H2O =>
(Cr2O7){-2} + 12e + 14 H{+} = 2 Cr + 7 H2O
H2OCl = H2O + Cl =>
H2OCl = H2O + Cl
Co(ClO4)2(aq) + NaF(aq) = CoF2(aq) + NaClO4(aq) =>
Co(ClO4)2(aq) + 2 NaF(aq) = CoF2(aq) + 2 NaClO4(aq)
C3H6O2 + KOH = C3H5O2 + H2O + K =>
C3H6O2 + KOH = C3H5O2 + H2O + K
CH4O + CO2 = C2H6O2 + H2O =>
5 CH4O + CO2 = 3 C2H6O2 + H2O
FeCl3(aq) + NaOH(aq) = Fe(OH)3(s) + NaCl(aq) = Fe(OH)3(s) + NaCl(aq) =>
FeCl3(aq) + 3 NaOH(aq) = Fe(OH)3(s) + 3 NaCl(aq)
HBr(aq) + Na2SO4(aq) = H2SO4 + NaBr =>
2 HBr(aq) + Na2SO4(aq) = H2SO4 + 2 NaBr
H2 + Al(OH)3 = Al + H2O =>
3 H2 + 2 Al(OH)3 = 2 Al + 6 H2O
PbO2 = O2 + PbO =>
2 PbO2 = O2 + 2 PbO
BiCl3 + NaOH = BiOH + NaCl3 =>
BiCl3 + NaOH = BiOH + NaCl3
bromine + fluorine = Brominepentafluoride =>
Br2 + 5 F2 = 2 BrF5
Pb(NO3)2(aq) + Na2SO4(aq) = PbSO4(s) + NaNO3(aw) =>
Pb(NO3)2(aq) + Na2SO4(aq) = PbSO4(s) + 2 NaNO3(aw)
ZrOCl2(H2O)8 + H2C2O4*(H2O)2 + KOH = K2Zr(C2O4)3(H2C2O4)H2O + KCl + H2O =>
ZrOCl2(H2O)8 + 4 H2C2O4*(H2O)2 + 4 KOH = K2Zr(C2O4)3(H2C2O4)H2O + 2 KCl + 20 H2O
AgNO3 + NH2CH2COOH = Ag + CO2 + H2O + N =>
3 AgNO3 + 2 NH2CH2COOH = 3 Ag + 4 CO2 + 5 H2O + 5 N
Ag + ZnCl2 = AgCl2 + Zn =>
Ag + ZnCl2 = AgCl2 + Zn
Br + CaI2 = CaBr2 + I =>
2 Br + CaI2 = CaBr2 + 2 I
Br2 + OH{-} = BrO3{-} + Br{-} + H2O =>
3 Br2 + 6 OH{-} = BrO3{-} + 5 Br{-} + 3 H2O
HCl + LiHSO3 = H2SO3 + LiCl =>
HCl + LiHSO3 = H2SO3 + LiCl
Fe2(C2O4)3 = FeC2O4 + CO2 =>
Fe2(C2O4)3 = 2 FeC2O4 + 2 CO2
C + H2O = C2O + H =>
2 C + H2O = C2O + 2 H
Li2CO3 = Li + C + O3 =>
Li2CO3 = 2 Li + C + O3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Na[Al(OH)4] + HNO3 = Al(OH)3 + NaNO3 + H2O =>
Na[Al(OH)4] + HNO3 = Al(OH)3 + NaNO3 + H2O
Fe2(SO4)3 + KNO3 = Fe(NO3)3 + K2SO4 =>
Fe2(SO4)3 + 6 KNO3 = 2 Fe(NO3)3 + 3 K2SO4
C + H2O = CO + H2 =>
C + H2O = CO + H2
BaCl2 + Na2SO4*5H2O = BaCl2*5H2O + Na2SO4*2H2O =>
3 BaCl2 + 5 Na2SO4*5H2O = 3 BaCl2*5H2O + 5 Na2SO4*2H2O
K2O + H2SO4 = H2O + K2SO4 =>
K2O + H2SO4 = H2O + K2SO4
C + H2O = CO2 + H =>
C + 2 H2O = CO2 + 4 H
C2H5OH + H2O = C2H5OHH2O =>
C2H5OH + H2O = C2H5OHH2O
Ca + NO2 = CaNO2 =>
Ca + NO2 = CaNO2
LiOH + Li2Cr2O7 = Li2CrO4 + H2O =>
2 LiOH + Li2Cr2O7 = 2 Li2CrO4 + H2O
Ca + LiNO3 = Li + Ca(NO3)2 =>
Ca + 2 LiNO3 = 2 Li + Ca(NO3)2
C6H12O2 + K2Cr2O7 + H2SO4 = C6H10O4 + Cr2(SO4)3 + K2SO4 + H2O =>
C6H12O2 + K2Cr2O7 + 4 H2SO4 = C6H10O4 + Cr2(SO4)3 + K2SO4 + 5 H2O
CU(OH)2 + NH3 = CU(NH3)4(OH)2 =>
CU(OH)2 + 4 NH3 = CU(NH3)4(OH)2
C + H2O = CO2 + H2 =>
C + 2 H2O = CO2 + 2 H2
NH4OH + NO = H2O + N2 =>
4 NH4OH + 6 NO = 10 H2O + 5 N2
C2H6 + K2Cr2O7 + H2SO4 = C2H5COOH + K2SO4 + Cr2(SO4)3 + H2O =>
9 C2H6 + 7 K2Cr2O7 + 28 H2SO4 = 6 C2H5COOH + 7 K2SO4 + 7 Cr2(SO4)3 + 37 H2O
KCl + NaCO3 = KCO3 + NaCl =>
KCl + NaCO3 = KCO3 + NaCl
KNO3(s) + S(s) + C(s) = K2S + N2 + CO2 =>
2 KNO3(s) + S(s) + 3 C(s) = K2S + N2 + 3 CO2
Mg{2+} + CO3{2-} = MgCO3 =>
Mg{2+} + CO3{2-} = MgCO3
C6H10 + KMnO4 + H2SO4 = C3H6O2 + K2SO4 + MnSO4 + H2O =>
5 C6H10 + 6 KMnO4 + 9 H2SO4 = 10 C3H6O2 + 3 K2SO4 + 6 MnSO4 + 4 H2O
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Équations équilibrées sur11/24/24
Équations équilibrées sur12/24/23
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