| Équations équilibrées la veille |
4 C2H6 + 7 O2 = 4 CH2COOH + 6 H2O
KNO2 + CrSO4 + H2SO4 = N2 + Cr2(SO4)3 + K2SO4 + H2O =>
2 KNO2 + 6 CrSO4 + 4 H2SO4 = N2 + 3 Cr2(SO4)3 + K2SO4 + 4 H2O
Fe2O3(g) + CO(g) = Fe(l) + CO2(g) =>
Fe2O3(g) + 3 CO(g) = 2 Fe(l) + 3 CO2(g)
MnSO4 + Cl2 + H2O = MnO2 + H2SO4 + HCl =>
MnSO4 + Cl2 + 2 H2O = MnO2 + H2SO4 + 2 HCl
C2H4O2 + NaHCO3 = H2O + CO2 + NaC2H3O2 =>
C2H4O2 + NaHCO3 = H2O + CO2 + NaC2H3O2
Br2(l) + NaCl(s) = NaBr + Cl2 =>
Br2(l) + 2 NaCl(s) = 2 NaBr + Cl2
AlOHCl2 + H2O = Al(OH)2Cl + HCl =>
AlOHCl2 + H2O = Al(OH)2Cl + HCl
Zn + Fe(CN)6 = Zn2[Fe(CN)6] =>
2 Zn + Fe(CN)6 = Zn2[Fe(CN)6]
C120H180O80N2 + O2 = CO2 + H2O + NH3 =>
2 C120H180O80N2 + 247 O2 = 240 CO2 + 174 H2O + 4 NH3
C2H4O2 + HCl = C2H3OCl + H2O =>
C2H4O2 + HCl = C2H3OCl + H2O
Hg(NO3)2 + Na2(CO3) = Na(NO3) + Hg(CO3) =>
Hg(NO3)2 + Na2(CO3) = 2 Na(NO3) + Hg(CO3)
BaCO3 + RuO2 + TiO2 = Ba4Ru2TiO10 + CO2 =>
4 BaCO3 + 2 RuO2 + TiO2 = Ba4Ru2TiO10 + 4 CO2
KIO3 + C = KI + CO =>
KIO3 + 3 C = KI + 3 CO
C7H6O3 + H2O = C7H6O2 + OH =>
C7H6O3 + H2O = C7H6O2 + 2 OH
C3H10O2(i) + O2(g) = CO2(g) + H2O(g) =>
2 C3H10O2(i) + 9 O2(g) = 6 CO2(g) + 10 H2O(g)
AgF + KOH = AgOH + KF =>
AgF + KOH = AgOH + KF
GaI3 + Ba = BaI2 + Ga =>
2 GaI3 + 3 Ba = 3 BaI2 + 2 Ga
C2H4O2 + Na(HCO3) = Na(C2H3O2) + H2O + CO2 =>
C2H4O2 + Na(HCO3) = Na(C2H3O2) + H2O + CO2
Be(OH)2 + CH3COOH = [Be4(CH3COO)6O] + H2O =>
4 Be(OH)2 + 6 CH3COOH = [Be4(CH3COO)6O] + 7 H2O
K2Cr2O7 + SO2 + KOH = Cr2O3 + K2SO4 + H2O =>
K2Cr2O7 + 3 SO2 + 4 KOH = Cr2O3 + 3 K2SO4 + 2 H2O
P4O6 + Br = P2Br4 + P4O10 =>
5 P4O6 + 16 Br = 4 P2Br4 + 3 P4O10
Cu(SO4) + NaOH = Na2SO4 + Cu(OH)2 =>
Cu(SO4) + 2 NaOH = Na2SO4 + Cu(OH)2
CH3CH2OH + Cr2O7{-2} + H2O = CH3COOH + Cr{3+} + OH{-} =>
3 CH3CH2OH + 2 Cr2O7{-2} + 5 H2O = 3 CH3COOH + 4 Cr{3+} + 16 OH{-}
Pb(NO3)2(aq) + Na(s) = NaNO3(aq) + Pb(s) =>
Pb(NO3)2(aq) + 2 Na(s) = 2 NaNO3(aq) + Pb(s)
As2S3 + KOH + H2O2 = K3AsO4 + K2SO4 + H2O =>
As2S3 + 12 KOH + 14 H2O2 = 2 K3AsO4 + 3 K2SO4 + 20 H2O
C2H4 + OH = C2H4(OH)2 =>
C2H4 + 2 OH = C2H4(OH)2
Zn + MnI = ZnI + Mn =>
Zn + MnI = ZnI + Mn
PdCl2(aq) + HNO3(aq) = Pd(NO3)2(s) + HCl(aq) =>
PdCl2(aq) + 2 HNO3(aq) = Pd(NO3)2(s) + 2 HCl(aq)
Pb(NO2)2 + NaCl = PbCl2 + NaNO2 =>
Pb(NO2)2 + 2 NaCl = PbCl2 + 2 NaNO2
Ca5(PO4)3F = Ca3(PO4)2 + CaF2 =>
2 Ca5(PO4)3F = 3 Ca3(PO4)2 + CaF2
KMnO2 + F2 + H2O = KMnO4 + HF =>
KMnO2 + 2 F2 + 2 H2O = KMnO4 + 4 HF
Ca3(PO4)2 + H2SO4(aq) = Ca(H2PO4)2 + CaSO4 =>
Ca3(PO4)2 + 2 H2SO4(aq) = Ca(H2PO4)2 + 2 CaSO4
N2H3CH3(l) + N2O4(l) = H2O(g) + N2(g) + CO(g) =>
N2H3CH3(l) + N2O4(l) = 3 H2O(g) + 2 N2(g) + CO(g)
Mn(s) + H2SO4(aq) = MnSO4(aq) + H2(g) =>
Mn(s) + H2SO4(aq) = MnSO4(aq) + H2(g)
KBr(aq) + Ca(NO3)2(aq) = CaBr2(s) + KNO3(aq) =>
2 KBr(aq) + Ca(NO3)2(aq) = CaBr2(s) + 2 KNO3(aq)
C3H8O2 + HBr = C3H6Br2 + H2O =>
C3H8O2 + 2 HBr = C3H6Br2 + 2 H2O
Pb(NO2)2 + NaCl = PbCl2 + NaNO2 =>
Pb(NO2)2 + 2 NaCl = PbCl2 + 2 NaNO2
Na3 + Cl = Na2Cl3 =>
2 Na3 + 9 Cl = 3 Na2Cl3
MgC2 + O2 = MgO + CO2 =>
2 MgC2 + 5 O2 = 2 MgO + 4 CO2
C120H180O80N2 + O2 = CO2 + H2O + NH3 =>
2 C120H180O80N2 + 247 O2 = 240 CO2 + 174 H2O + 4 NH3
NiCO3 + NaOH = Ni(OH)2 + Na2CO3 =>
NiCO3 + 2 NaOH = Ni(OH)2 + Na2CO3
C2H5(etanol) + O2 = CO2 + H2O =>
4 C2H5(etanol) + 13 O2 = 8 CO2 + 10 H2O
NH4HSO3 + H2O = NH4OH + H2SO3 =>
NH4HSO3 + H2O = NH4OH + H2SO3
VO(OH)2 + NaOH = Na2V4O9 + H2O =>
4 VO(OH)2 + 2 NaOH = Na2V4O9 + 5 H2O
SnCl2 + Bi(NO3)3 + KOH = K2[Sn(OH)6] + KNO3 + KCl + Bi =>
3 SnCl2 + 2 Bi(NO3)3 + 18 KOH = 3 K2[Sn(OH)6] + 6 KNO3 + 6 KCl + 2 Bi
KSCN + KMnO4 + H2SO4 = K2SO4 + MnSO4 + KCN + H2O =>
5 KSCN + 6 KMnO4 + 4 H2SO4 = 3 K2SO4 + 6 MnSO4 + 5 KCN + 4 H2O
Na2S + Zn(SO4) = Na2SO4 + ZnS =>
Na2S + Zn(SO4) = Na2SO4 + ZnS
H3O4 = H3O + O2 = H2O2 =>
2 H3O4 = 2 H3O + 3 O2
Al(C2H3O2)3 + (NH4)(OH) = Al(OH)3 + NH4(C2H3O2) =>
Al(C2H3O2)3 + 3(NH4)(OH) = Al(OH)3 + 3 NH4(C2H3O2)
CaO + Sulfurdioxide = CaSO3 =>
CaO + SO2 = CaSO3
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