| Équations équilibrées la veille | Équations équilibrées le lendemain |
PCl5 + 4 H2O = H3PO4 + 5 HCl(g)
FeS + HNO3 = Fe(NO3)3 + H2O + NO + S =>
FeS + 4 HNO3 = Fe(NO3)3 + 2 H2O + NO + S
Pb + OH{-} + H2O = [Pb(OH)4]{2-} + H2 =>
Pb + 2 OH{-} + 2 H2O = [Pb(OH)4]{2-} + H2
(NH2)2S + HNO3 = S + NO + NH4OH =>
(NH2)2S + HNO3 = S + 2 NO + NH4OH
C6H6 + Br2 = C6H6Br =>
2 C6H6 + Br2 = 2 C6H6Br
AlCl3(aq) + NaOH(aq) = Al(OH)3 + NaCl =>
AlCl3(aq) + 3 NaOH(aq) = Al(OH)3 + 3 NaCl
Cu2O(s) + O2(g) = CuO(s) =>
2 Cu2O(s) + O2(g) = 4 CuO(s)
MgSO4(aq) + CaS(aq) = MgS + SO4Ca =>
MgSO4(aq) + CaS(aq) = MgS + SO4Ca
Ba(OH)2 + P2O5 = Ba3(PO4)2 + H2O =>
3 Ba(OH)2 + P2O5 = Ba3(PO4)2 + 3 H2O
MgSO4(aq) + CaS(aq) = MgS + CaSO4 =>
MgSO4(aq) + CaS(aq) = MgS + CaSO4
Co(s) + HCl(aq) = CoCl3(aq) + H2(g) =>
2 Co(s) + 6 HCl(aq) = 2 CoCl3(aq) + 3 H2(g)
CS + SCl2 = CCl4 + S =>
CS + 2 SCl2 = CCl4 + 3 S
Al + FeN2 = AlN + Fe =>
2 Al + FeN2 = 2 AlN + Fe
AsH2 = As + H2 =>
AsH2 = As + H2
(NH4)(OH) = NH4 + OH =>
(NH4)(OH) = NH4 + OH
AlCl3(aq) + NaOH(aq) = Al(OH)3 + NaCl =>
AlCl3(aq) + 3 NaOH(aq) = Al(OH)3 + 3 NaCl
Co(s) + P4(s) = Co3P2(s) =>
6 Co(s) + P4(s) = 2 Co3P2(s)
Ag(s) + CuSO4(aq) = Cu(s) + Ag2SO4(s) =>
2 Ag(s) + CuSO4(aq) = Cu(s) + Ag2SO4(s)
CuO + S = Cu2S + O2 =>
2 CuO + S = Cu2S + O2
PbCO3(s) = PbO(s) + CO2(g) =>
PbCO3(s) = PbO(s) + CO2(g)
Co(s) + O2(g) = Co2O3(s) =>
4 Co(s) + 3 O2(g) = 2 Co2O3(s)
CaCl2 + K4[Fe(CN)6] + NH4Cl = Ca(NH4)2[Fe(CN)6] + KCl =>
CaCl2 + K4[Fe(CN)6] + 2 NH4Cl = Ca(NH4)2[Fe(CN)6] + 4 KCl
Al2O3 + KOH = K(AlO2) + H2O =>
Al2O3 + 2 KOH = 2 K(AlO2) + H2O
Mg(SO4) + Na2CO3 = MgCO3 + Na2SO4 =>
Mg(SO4) + Na2CO3 = MgCO3 + Na2SO4
CaMgCO3 + H2SO4 = CaMgSO4 + H2O + CO2 =>
CaMgCO3 + H2SO4 = CaMgSO4 + H2O + CO2
Li2(CO3) + HCl = CO2 + H2O + LiCl =>
Li2(CO3) + 2 HCl = CO2 + H2O + 2 LiCl
Na2Co3 + HCI = Co2 + H2CINaCI =>
2 Na2Co3 + 8 HCI = 3 Co2 + 4 H2CINaCI
AlBr + Zn = ZnBr + Al =>
AlBr + Zn = ZnBr + Al
KCeO3 + HCe = KCe + Ce2 + H2O =>
KCeO3 + 6 HCe = KCe + 3 Ce2 + 3 H2O
Na2CO3 + Mg(SO4) = Na2(SO4) + Mg(CO3) =>
Na2CO3 + Mg(SO4) = Na2(SO4) + Mg(CO3)
ClNH4 + NaOH = ClOH + NaNH4 =>
ClNH4 + NaOH = ClOH + NaNH4
BaCl2 + ClSO4 = BaSO4 + Cl2 =>
2 BaCl2 + 2 ClSO4 = 2 BaSO4 + 3 Cl2
Ba(OH)2 + HI = BaI + H(OH)2 =>
Ba(OH)2 + HI = BaI + H(OH)2
H2SO4(aq) + NaOH(aq) = Na2SO4(aq) + H2O(l) =>
H2SO4(aq) + 2 NaOH(aq) = Na2SO4(aq) + 2 H2O(l)
C3H8O + (O2) = (CO2) + (H2O) =>
2 C3H8O + 9(O2) = 6(CO2) + 8(H2O)
AlCl3(aq) + NaOH(aq) = Al(OH)3 + NaCl =>
AlCl3(aq) + 3 NaOH(aq) = Al(OH)3 + 3 NaCl
Be(OH)2 + KBr + H2O = K2[Be(OH)4] + HBr =>
Be(OH)2 + 2 KBr + 2 H2O = K2[Be(OH)4] + 2 HBr
NH3 + HNO3 + H2O = NH4NO4 =>
3 NH3 + 5 HNO3 + H2O = 4 NH4NO4
CH2((CH2)4)CH3 + O2 = CO2 + H2O =>
4 CH2((CH2)4)CH3 + 37 O2 = 24 CO2 + 26 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
H2SO4 + K4Fe(CN)6 + KMnO4 = CO2 + Fe2(SO4)3 + H2O + HNO3 + KHSO4 + MnSO4 =>
299 H2SO4 + 10 K4Fe(CN)6 + 122 KMnO4 = 60 CO2 + 5 Fe2(SO4)3 + 188 H2O + 60 HNO3 + 162 KHSO4 + 122 MnSO4
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
VOSO4 + H2O2 = (VO2)2SO4 + H2SO4 =>
2 VOSO4 + H2O2 = (VO2)2SO4 + H2SO4
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
C2H5OH(g) + O2(g) = CO2(g) + H2O(l) =>
C2H5OH(g) + 3 O2(g) = 2 CO2(g) + 3 H2O(l)
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
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Équations équilibrées sur03/14/25
Équations équilibrées sur04/13/24
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