| Équations équilibrées la veille | Équations équilibrées le lendemain |
S + 2 H2SO4 = 2 H2O + 3 SO2
PbS(s) + H2O2(aq) = PbSO4(s) + H2O(l) =>
PbS(s) + 4 H2O2(aq) = PbSO4(s) + 4 H2O(l)
Mg + NaOH = MgO + Na + H2 =>
2 Mg + 2 NaOH = 2 MgO + 2 Na + H2
C5H8 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + H2O + CO2 =>
5 C5H8 + 28 KMnO4 + 42 H2SO4 = 14 K2SO4 + 28 MnSO4 + 62 H2O + 25 CO2
H2SO4 + NO2 + FeSO4 = Fe2(SO4)3 + NO + H2O =>
H2SO4 + NO2 + 2 FeSO4 = Fe2(SO4)3 + NO + H2O
Fe(CN)6{3-} + Re + OH{-} = Fe(CN)6{-4} + ReO4{-} + H2O =>
7 Fe(CN)6{3-} + Re + 8 OH{-} = 7 Fe(CN)6{-4} + ReO4{-} + 4 H2O
CuF2 + NaNO3 = Cu(NO3)2 + NaF =>
CuF2 + 2 NaNO3 = Cu(NO3)2 + 2 NaF
NaHCO3(aq) + HCI(aq) = NaCI(aq) + H2O(l) + CO2(g) =>
NaHCO3(aq) + HCI(aq) = NaCI(aq) + H2O(l) + CO2(g)
H2O2 + CO2 = H2O + CO3 =>
H2O2 + CO2 = H2O + CO3
C2H4 + KMnO4 = MnO2 + KOH + C2O4K2 + H2O =>
3 C2H4 + 10 KMnO4 = 10 MnO2 + 4 KOH + 3 C2O4K2 + 4 H2O
(CaCO3)2 + HCl = CaCl2 + H2O + CO2 =>
(CaCO3)2 + 4 HCl = 2 CaCl2 + 2 H2O + 2 CO2
CH3OHPCl5 = CH3ClHClPOCl3 =>
CH3OHPCl5 = CH3ClHClPOCl3
H3PO2 + Ca(OH)2 = H2O + Ca(H2PO2)2 =>
2 H3PO2 + Ca(OH)2 = 2 H2O + Ca(H2PO2)2
CuO + H{+} + HSO4{-} = Cu2{+} + SO42{-} + H2O =>
154 CuO + 77 H{+} + 3 HSO4{-} = 77 Cu2{+} + 3 SO42{-} + 40 H2O
C6H14O = C + H2 + O2 =>
2 C6H14O = 12 C + 14 H2 + O2
FeCl2 + NaOH = Fe(OH)2 + NaCl =>
FeCl2 + 2 NaOH = Fe(OH)2 + 2 NaCl
C6H14 + O2 = CO + H2O =>
2 C6H14 + 13 O2 = 12 CO + 14 H2O
Cu(s) + HCl(aq) = CuCl2(aq) + H2(g) =>
Cu(s) + 2 HCl(aq) = CuCl2(aq) + H2(g)
Zn + HCI = ZnCI + H2 =>
2 Zn + 2 HCI = 2 ZnCI + H2
CuSO4 + S = CuS2O4 =>
CuSO4 + S = CuS2O4
Na[Sn(OH)6] + NaOH + Na2[Pb(OH6)] = Na2[Sn(OH)6] + Na2[Pb(OH)4] + H2O =>
8 Na[Sn(OH)6] + 8 NaOH + Na2[Pb(OH6)] = 8 Na2[Sn(OH)6] + Na2[Pb(OH)4] + 5 H2O
I2 + CaF2 = FI + Ca =>
I2 + CaF2 = 2 FI + Ca
Fe(NO3)(aq) + NaOH(aq) = FeOH + Na(NO3) =>
Fe(NO3)(aq) + NaOH(aq) = FeOH + Na(NO3)
KOH + NaNO3 + MnO2 = KMnO4 + NaNO2 + H2O =>
2 KOH + 3 NaNO3 + 2 MnO2 = 2 KMnO4 + 3 NaNO2 + H2O
Ni(NCS)2 + (C2H5)2NCH2CH2NH2 = Ni((C2H5)2NCH2CH2NH2)2(NCS)2 =>
Ni(NCS)2 + 2(C2H5)2NCH2CH2NH2 = Ni((C2H5)2NCH2CH2NH2)2(NCS)2
Pb(NO3)2 + KCl = PbCl2 + KNO3 =>
Pb(NO3)2 + 2 KCl = PbCl2 + 2 KNO3
CH3H7OH + O2 = CH3 + H2O =>
2 CH3H7OH + 3 O2 = 2 CH3 + 8 H2O
Na(OH)3 + Br = NaBr + NaBrO3 + H2O =>
2 Na(OH)3 + 2 Br = NaBr + NaBrO3 + 3 H2O
C6H7N + C6H12O = C12H17N + H2O =>
C6H7N + C6H12O = C12H17N + H2O
HOCH2(CHOH)4CHO + OH{-} = HOCH2(CHOH)4CO2 + H2O + e =>
HOCH2(CHOH)4CHO + 3 OH{-} = HOCH2(CHOH)4CO2 + 2 H2O + 3e
CH3CH(OH)CH2CH3 + KMnO4 = MnO2 + KOH + CH3C(O)CH2CH3 + H2O =>
3 CH3CH(OH)CH2CH3 + 2 KMnO4 = 2 MnO2 + 2 KOH + 3 CH3C(O)CH2CH3 + 2 H2O
FeH + ClO3 = Fe + Cl + H2O =>
6 FeH + ClO3 = 6 Fe + Cl + 3 H2O
C5H15(l) + O2(g) = CO2(g) + H2O =>
4 C5H15(l) + 35 O2(g) = 20 CO2(g) + 30 H2O
Pb(ClO)2 + MgCl2 = Mg(ClO)2 + PbCl2 =>
Pb(ClO)2 + MgCl2 = Mg(ClO)2 + PbCl2
MgSO4*7H2O = MgSO4 + H2O =>
MgSO4*7H2O = MgSO4 + 7 H2O
FeCl3 + Na2CO3 = CO2 + Fe2O3 + NaCl =>
2 FeCl3 + 3 Na2CO3 = 3 CO2 + Fe2O3 + 6 NaCl
CH4 + C2H5OH = CH3CH3 + H2O =>
2 CH4 + C2H5OH = 2 CH3CH3 + H2O
CaC2 + O = CaO + CO =>
CaC2 + 3 O = CaO + 2 CO
Cu(III)SO4 + Fe = Cu + Fe(III)SO4 =>
Cu(III)SO4 + Fe = Cu + Fe(III)SO4
S + C + KNO3 = N2 + CO2 + K2S =>
S + 3 C + 2 KNO3 = N2 + 3 CO2 + K2S
Al + KOH(aq) + H2O(l) = KAl(OH)4(aq) + H2(aq) =>
2 Al + 2 KOH(aq) + 6 H2O(l) = 2 KAl(OH)4(aq) + 3 H2(aq)
A + B = A2B =>
2 A + B = A2B
C3H8 + H2O = CO2 + H2 =>
C3H8 + 6 H2O = 3 CO2 + 10 H2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
LiHSO4 + H2O = H2SO4 + Li2O =>
2 LiHSO4 + H2O = 2 H2SO4 + Li2O
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Mn(OH)2 + NaOH = Na2MnO4 + H2 =>
Mn(OH)2 + 2 NaOH = Na2MnO4 + 2 H2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
C6H8O6 + NaHCO3 = CO2 + H2O + NaC6H7O6 =>
C6H8O6 + NaHCO3 = CO2 + H2O + NaC6H7O6
CH3CH2CH2CH2CH3 + O2 = CO2 + H3O =>
CH3CH2CH2CH2CH3 + 7 O2 = 5 CO2 + 4 H3O
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Équations équilibrées sur12/24/24
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