| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 CH3CH2CH2CH3 + Br2 = 2 CH3CH2CH2CH2* + 2 HBr
Cu(NO3)2 + BaS = CuS2 + Ba(NO3) =>
Cu(NO3)2 + 2 BaS = CuS2 + 2 Ba(NO3)
C2H2Br + O2 = CO + H2O + HBr =>
4 C2H2Br + 5 O2 = 8 CO + 2 H2O + 4 HBr
C6H10CaO6 + H2SO4 + H2O = C3H6O3 + CaSO4H4O2 =>
C6H10CaO6 + H2SO4 + 2 H2O = 2 C3H6O3 + CaSO4H4O2
CH4 = C + H2 =>
CH4 = C + 2 H2
K2Cr2O7 + Hg2I2 + HCl = CrCl3 + HgCl2 + I2 + KCl + H2O =>
2 K2Cr2O7 + 3 Hg2I2 + 28 HCl = 4 CrCl3 + 6 HgCl2 + 3 I2 + 4 KCl + 14 H2O
NO3{-} + H2S = NO + H2O + OH{-} + S =>
2 NO3{-} + 3 H2S = 2 NO + 2 H2O + 2 OH{-} + 3 S
FeSO4 + CaO2Cl2 + H2SO4 = Fe2(SO4)3 + CaSO4 + HCl + H2O =>
4 FeSO4 + CaO2Cl2 + 3 H2SO4 = 2 Fe2(SO4)3 + CaSO4 + 2 HCl + 2 H2O
Mg + O2 = Mg5O =>
10 Mg + O2 = 2 Mg5O
Sr(OH)2 + K2SO4 = KOH + SrSO4 =>
Sr(OH)2 + K2SO4 = 2 KOH + SrSO4
K2Cr2O7 + H2SH2SO4 = Cr2(SO4)4 + K2SO4 + S + H2O =>
2 K2Cr2O7 + 13 H2SH2SO4 = 2 Cr2(SO4)4 + 2 K2SO4 + 16 S + 26 H2O
K + B2O3 = K2O + BB =>
6 K + B2O3 = 3 K2O + BB
Al(OH)3 + H = Al + HOH =>
Al(OH)3 + 3 H = Al + 3 HOH
K2Cr2O7 + FeSO4 + H2SO4 = Cr(SO)4 + K2SO4 + Fe2(SO4)3 + H2O =>
K2Cr2O7 + 44 FeSO4 + 31 H2SO4 = 2 Cr(SO)4 + K2SO4 + 22 Fe2(SO4)3 + 31 H2O
NO3{-} + H3O{+} + e = NO + H2O =>
NO3{-} + 4 H3O{+} + 3e = NO + 6 H2O
CaCl2(aq) + K2CO3(aq) = KCl(aq) + Ca2(CO3)2(s) =>
2 CaCl2(aq) + 2 K2CO3(aq) = 4 KCl(aq) + Ca2(CO3)2(s)
Bi + HNO3 = BiO2 + NO2 + H2O =>
Bi + 4 HNO3 = BiO2 + 4 NO2 + 2 H2O
HIO + NaOH = Na(IO) + H2O =>
HIO + NaOH = Na(IO) + H2O
S + HNO3(k) = H2SO4 + NO2 + H2O =>
S + 6 HNO3(k) = H2SO4 + 6 NO2 + 2 H2O
K + PbS = Pb + K2S =>
2 K + PbS = Pb + K2S
I2 + Cl = ICl5 =>
I2 + 10 Cl = 2 ICl5
Co(NO3)2 + NH3*H2O = Co(OH)3 + HNO3 + NH3 =>
8 Co(NO3)2 + 21 NH3*H2O = 8 Co(OH)3 + 15 HNO3 + 22 NH3
Fe + Pt{4+} = Fe{3+} + Pt =>
4 Fe + 3 Pt{4+} = 4 Fe{3+} + 3 Pt
NH3 + H2O = NH4OH = NH4 + OH =>
NH3 + H2O = NH4OH
NaS + NO3 = NaNO3 + NO2 + SO2 =>
NaS + 3 NO3 = NaNO3 + 2 NO2 + SO2
ZnS(s) + O2(g) = Zn(s) + SO2 =>
ZnS(s) + O2(g) = Zn(s) + SO2
Na2CO3 + K2SO4 = Na2SO3 + K2CO4 =>
Na2CO3 + K2SO4 = Na2SO3 + K2CO4
Na + Au2(SO4) = Au + Na2SO4 =>
2 Na + Au2(SO4) = 2 Au + Na2SO4
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
NH4I(aq) + NaOH = NH3(g) + NaI(aq) + H2O(l) =>
NH4I(aq) + NaOH = NH3(g) + NaI(aq) + H2O(l)
Mg + ClO3 = MgClO + O2 =>
Mg + ClO3 = MgClO + O2
Cu + HNO3(aq) = Cu(NO3)2(aq) + NO(g) + H2O =>
3 Cu + 8 HNO3(aq) = 3 Cu(NO3)2(aq) + 2 NO(g) + 4 H2O
Mn2O7 + C2H5OH = CO2 + H2O + MnO =>
6 Mn2O7 + 5 C2H5OH = 10 CO2 + 15 H2O + 12 MnO
Na(s) + HBr(aq) = NaBr + H =>
Na(s) + HBr(aq) = NaBr + H
Al + AgNO3 = Al(NO3)3 + Ag =>
Al + 3 AgNO3 = Al(NO3)3 + 3 Ag
Ag = Ag{+} + e =>
Ag = Ag{+} + e
Cu + KCNS = CuS + KCN =>
Cu + KCNS = CuS + KCN
MnO4{-} + Sn2{+} = Mn2{+} + Sn4{+} + O4 =>
2 MnO4{-} + 6 Sn2{+} = Mn2{+} + 3 Sn4{+} + 2 O4
CH3CHClCHCH3CHOSO3HCH3 + KOH = CH2CHCHCH3CHOSO3HCH3 + KCl + H2O =>
CH3CHClCHCH3CHOSO3HCH3 + KOH = CH2CHCHCH3CHOSO3HCH3 + KCl + H2O
Al2(SO4)3(aq) + Ca(OH)2(aq) = Al(OH)3(s) + CaSO4(s) =>
Al2(SO4)3(aq) + 3 Ca(OH)2(aq) = 2 Al(OH)3(s) + 3 CaSO4(s)
H2(SO)4 = H + (SO) =>
H2(SO)4 = 2 H + 4(SO)
Fe(OH)2 + H2SO4 = FeSO4 + H2O =>
Fe(OH)2 + H2SO4 = FeSO4 + 2 H2O
K4[Fe(CN)6] + Fe(OH)3 + HCl = Fe4[Fe(CN)6]3 + H2O + KCl =>
3 K4[Fe(CN)6] + 4 Fe(OH)3 + 12 HCl = Fe4[Fe(CN)6]3 + 12 H2O + 12 KCl
CH2O + C6H6O = C7H6O + H2O =>
CH2O + C6H6O = C7H6O + H2O
Fe(ClO4)3 + PbSO4 = Fe2(SO4)3 + Pb(ClO4)2 =>
2 Fe(ClO4)3 + 3 PbSO4 = Fe2(SO4)3 + 3 Pb(ClO4)2
CH2CHCH3 + O3 = CO2 + H2O =>
CH2CHCH3 + 3 O3 = 3 CO2 + 3 H2O
CoCO3(H2O)7 + AcAc = Co(AcAc)3 + CO2 + H2O + O2 =>
2 CoCO3(H2O)7 + 6 AcAc = 2 Co(AcAc)3 + 2 CO2 + 14 H2O + O2
NaC2O + AgCl = NaCl + AgC2O =>
NaC2O + AgCl = NaCl + AgC2O
NaHCO3(t) = Na2CO3(g) + CO2(g) + H2O(g) =>
2 NaHCO3(t) = Na2CO3(g) + CO2(g) + H2O(g)
Be(OH)2 + K = BeK2O2 + H2 =>
Be(OH)2 + 2 K = BeK2O2 + H2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/03/25
Équations équilibrées sur03/05/24
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