| Équations équilibrées la veille |
3 Pb(CH3COO)2 + 2 FeCl3 = 3 PbCl2 + 2 Fe(CH3COO)3
Cr2O3 + KNO3 + KOH = K2CrO4 + KNO2 + H2O =>
Cr2O3 + 3 KNO3 + 4 KOH = 2 K2CrO4 + 3 KNO2 + 2 H2O
Mg + HNO2 = Mg(NO3)2 + N2 + H2O =>
Mg + 4 HNO2 = Mg(NO3)2 + N2 + 2 H2O
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
(NH4)2SO4 + Na4SiO4 = (NH4)4SiO4 + Na2SO4 =>
2(NH4)2SO4 + Na4SiO4 = (NH4)4SiO4 + 2 Na2SO4
K2S + CaI2 = K2I2 + CaS =>
K2S + CaI2 = K2I2 + CaS
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
SO2(g) + O(g) + H2O(l) = H2SO4(aq) =>
SO2(g) + O(g) + H2O(l) = H2SO4(aq)
Mg + NaCl = MgCl2 + Na =>
Mg + 2 NaCl = MgCl2 + 2 Na
(NH4)2SO4 + Ba(NO3)2 = BaSO4 + (NH4)2(NO3)2 =>
(NH4)2SO4 + Ba(NO3)2 = BaSO4 + (NH4)2(NO3)2
Pb(s) + H2O(l) = H2(g) + PbO(aq) =>
Pb(s) + H2O(l) = H2(g) + PbO(aq)
SiO4 + Al = Al4(SiO4)3 =>
3 SiO4 + 4 Al = Al4(SiO4)3
Fe(OH)2 + Cl2 + KOH = Fe(OH)3 + KCl =>
2 Fe(OH)2 + Cl2 + 2 KOH = 2 Fe(OH)3 + 2 KCl
Cl2O + OH = ClO + H2O =>
Cl2O + 2 OH = 2 ClO + H2O
NaBr(s) + Cl2 = NaCl + Br2 =>
2 NaBr(s) + Cl2 = 2 NaCl + Br2
KClO + HI = HClO + KI =>
KClO + HI = HClO + KI
CoCl2*6H2O + NH4Cl + H2O2 + NH3 = Co(NH3)5Cl3 + H2O =>
2 CoCl2*6H2O + 2 NH4Cl + H2O2 + 8 NH3 = 2 Co(NH3)5Cl3 + 14 H2O
AgVO3 = Ag + VO3 =>
AgVO3 = Ag + VO3
HCL(aq) + NAOH(aq) = H2O(l) + NACL(aq) =>
HCL(aq) + NAOH(aq) = H2O(l) + NACL(aq)
NaCl(aq) + AgNO3(aq) = AgCl(s) + NaNO3 =>
NaCl(aq) + AgNO3(aq) = AgCl(s) + NaNO3
C3O3H9 + O2 = CO2 + H2O =>
4 C3O3H9 + 15 O2 = 12 CO2 + 18 H2O
SO2 + [MnO4]{-} + H2O = [SO4]{2-} + Mn{2+} + H{+} =>
5 SO2 + 2[MnO4]{-} + 2 H2O = 5[SO4]{2-} + 2 Mn{2+} + 4 H{+}
(NH4)2CO3 + AgNO3 = (NH4)2NO3 + AgCO3(s) =>
(NH4)2CO3 + AgNO3 = (NH4)2NO3 + AgCO3(s)
Li2O + H3PO4 = Li2HPO4 + H2O =>
Li2O + H3PO4 = Li2HPO4 + H2O
CrBr3 + Br2 + NaOH = Na2CrO4 + NaBr2 + H2O =>
2 CrBr3 + 9 Br2 + 16 NaOH = 2 Na2CrO4 + 12 NaBr2 + 8 H2O
Sn + HCl = SnCl2 + H2 =>
Sn + 2 HCl = SnCl2 + H2
Al2O3(s) + H2SO4(aq) = Al2(SO4)3(aq) + H2O =>
Al2O3(s) + 3 H2SO4(aq) = Al2(SO4)3(aq) + 3 H2O
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
Fe + P + O2 = Fe3(PO4)2 =>
3 Fe + 2 P + 4 O2 = Fe3(PO4)2
Rh2O3 = Rh + O2 =>
2 Rh2O3 = 4 Rh + 3 O2
C4H10 + ClO2 = CO2 + CCl4 + H2O =>
10 C4H10 + 52 ClO2 = 27 CO2 + 13 CCl4 + 50 H2O
CaBr2 + Li2SO4 = LiBr + CaSO4 =>
CaBr2 + Li2SO4 = 2 LiBr + CaSO4
NaHSO3 + Ca(OCl)2 = CaSO4 + Na2SO3 + Cl2 + H2O =>
2 NaHSO3 + Ca(OCl)2 = CaSO4 + Na2SO3 + Cl2 + H2O
N + S = NS =>
N + S = NS
NH4OH + SiO2 = (NH4)2SiO3 + H2O =>
2 NH4OH + SiO2 = (NH4)2SiO3 + H2O
Sb2(OH)2 + HCl = Sb2(OH)Cl + H2O =>
Sb2(OH)2 + HCl = Sb2(OH)Cl + H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
C4H9 + O2 = CO2 + H2O =>
4 C4H9 + 25 O2 = 16 CO2 + 18 H2O
K2MnO4 + H2CO3 = KMnO4 + MnO2 + K2CO3 + H2O =>
3 K2MnO4 + 2 H2CO3 = 2 KMnO4 + MnO2 + 2 K2CO3 + 2 H2O
C8H16 + H2O = CH3OH =>
C8H16 + 8 H2O = 8 CH3OH
F2 + K3P = KF + P2 =>
3 F2 + 2 K3P = 6 KF + P2
Ca3(PO4)2 + CO2 = CaCO3 + P2O5 =>
Ca3(PO4)2 + 3 CO2 = 3 CaCO3 + P2O5
Fe2 + HCl = FeCl2 + H =>
Fe2 + 4 HCl = 2 FeCl2 + 4 H
NH4Cl + NaOH = NaCl + OHNH4 =>
NH4Cl + NaOH = NaCl + OHNH4
S + O + Na = OSNa =>
S + O + Na = OSNa
K2Cr2O7 + HCl + H2S = K2S + Cr2S3 + Cl2 + H2O =>
K2Cr2O7 + 6 HCl + 4 H2S = K2S + Cr2S3 + 3 Cl2 + 7 H2O
Dy + I2 = DyI3 =>
2 Dy + 3 I2 = 2 DyI3
Pb(NO3)2 + Li2CO3 = LiNO3 + PbCO3 =>
Pb(NO3)2 + Li2CO3 = 2 LiNO3 + PbCO3
(CH3CO)2O + H2O2 = C2H4O3 + H2O =>
(CH3CO)2O + 2 H2O2 = 2 C2H4O3 + H2O
HClO4(aq) + Mg(OH)2(s) = H2O(l) + Mg(ClO4)2 =>
2 HClO4(aq) + Mg(OH)2(s) = 2 H2O(l) + Mg(ClO4)2
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