| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 MnO4{-} + 5 H2C2O4 = 2 MnO2{-2} + 10 CO2 + 4 H2O + 2 H{+}
[Co(H2O)6] + NaOH = [Co(OH)4] + Na + H2O =>
[Co(H2O)6] + 4 NaOH = [Co(OH)4] + 4 Na + 6 H2O
C5H10Cl + O2 = CO2 + H2O + Cl2 =>
2 C5H10Cl + 15 O2 = 10 CO2 + 10 H2O + Cl2
Fe + O2 = Fe2(O) =>
4 Fe + O2 = 2 Fe2(O)
FeCl3 + K4FeC6N6 = Fe7C18N18 + KCl =>
4 FeCl3 + 3 K4FeC6N6 = Fe7C18N18 + 12 KCl
COH + Cu(OH)2 = COOH + CuOH + H2O =>
COH + 2 Cu(OH)2 = COOH + 2 CuOH + H2O
H2SO4 + KI = I2 + H2S + K2O =>
H2SO4 + 8 KI = 4 I2 + H2S + 4 K2O
Na3N + CaO = Na2O + Ca3N2 =>
2 Na3N + 3 CaO = 3 Na2O + Ca3N2
Fe2O3 + (H2SO4) = (Fe) + SO4 + (H2O) =>
Fe2O3 + 3(H2SO4) = 2(Fe) + 3 SO4 + 3(H2O)
P + Ag = PAg =>
P + Ag = PAg
Ag2O = Ag + O = =>
Ag2O = 2 Ag + O
RbCl + Na2CO3 = Rb2CO3 + NaCl =>
2 RbCl + Na2CO3 = Rb2CO3 + 2 NaCl
Mg + HCe = MgCe2 + H2 =>
Mg + 2 HCe = MgCe2 + H2
K5 = K6 =>
6 K5 = 5 K6
C6H5CHO + (CH3CO)2O = C6H5CHOCOCH3 + CH3COO =>
C6H5CHO + (CH3CO)2O = C6H5CHOCOCH3 + CH3COO
HNO3(aq) + Na2CO3(aq) = H2CO3(aq) + NaNO3(aq) =>
2 HNO3(aq) + Na2CO3(aq) = H2CO3(aq) + 2 NaNO3(aq)
Cr3Cl3 + KOH + KClO = KCl + K2CrO4 + H2O =>
2 Cr3Cl3 + 18 KOH + 15 KClO = 21 KCl + 6 K2CrO4 + 9 H2O
BrCH2COOH = BrCH2COO{-} + H{+} =>
BrCH2COOH = BrCH2COO{-} + H{+}
C2H5(OH) + O2 = CO + H2O =>
C2H5(OH) + 2 O2 = 2 CO + 3 H2O
C5H11NO2 + O2 = H2O + CO2 + CH4N2O =>
2 C5H11NO2 + 12 O2 = 9 H2O + 9 CO2 + CH4N2O
K3N + U2(SO4)5 = K2SO4 + U3N5 =>
10 K3N + 3 U2(SO4)5 = 15 K2SO4 + 2 U3N5
Fe2S3 + HNO2 = Fe(NO2)3 + H2S =>
Fe2S3 + 6 HNO2 = 2 Fe(NO2)3 + 3 H2S
C3H7Br + KCN = C3H7CN + KBr =>
C3H7Br + KCN = C3H7CN + KBr
KI + H2SO4 = H2S + H2O + KHSO4 + I2 =>
8 KI + 9 H2SO4 = H2S + 4 H2O + 8 KHSO4 + 4 I2
Na2 + O2 + H2O = NaOH =>
2 Na2 + O2 + 2 H2O = 4 NaOH
BaH + Cl = BaCl2 + H =>
BaH + 2 Cl = BaCl2 + H
NaCl + H2SO4 + NaOCl = Na2SO4 + Cl2 + H2O =>
NaCl + H2SO4 + NaOCl = Na2SO4 + Cl2 + H2O
AuCO3 = Au + C + O2 =>
2 AuCO3 = 2 Au + 2 C + 3 O2
Cu + H2SO4(konc) = Cu2SO4 + H2S + H2O =>
8 Cu + 5 H2SO4(konc) = 4 Cu2SO4 + H2S + 4 H2O
C3H5OH + HOCl = C3H5Cl + H2O2 =>
C3H5OH + HOCl = C3H5Cl + H2O2
Na2S + Cd(NO3)2 = Na(NO3)2 + Cd2S =>
Na2S + 2 Cd(NO3)2 = 2 Na(NO3)2 + Cd2S
PbS + FeO = Pb + Fe + SO2 =>
PbS + 2 FeO = Pb + 2 Fe + SO2
As + HNO3 = As(NO3)3 + NH3 + H2O =>
8 As + 27 HNO3 = 8 As(NO3)3 + 3 NH3 + 9 H2O
S + CuCl2 = Cu + SCl2 =>
S + CuCl2 = Cu + SCl2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
C2H3O2 + C2H5OH = CH3COOCH2CH3 + H2O =>
4 C2H3O2 + 6 C2H5OH = 5 CH3COOCH2CH3 + 4 H2O
Li2O + P2O3 = Li2P + P2O4 =>
2 Li2O + 6 P2O3 = 2 Li2P + 5 P2O4
C38H57O9N9 + O2 = CO2 + H2O + NH3 =>
C38H57O9N9 + 41 O2 = 38 CO2 + 15 H2O + 9 NH3
SrO2 + Mg + S = MgO + SrS =>
SrO2 + 2 Mg + S = 2 MgO + SrS
FePO4 + Cr = Cr3(PO4)2 + Fe =>
2 FePO4 + 3 Cr = Cr3(PO4)2 + 2 Fe
C6H5Br + HNO3 + H2SO4 = C6H4BrNO2 + H3O + SO4H =>
C6H5Br + HNO3 + H2SO4 = C6H4BrNO2 + H3O + SO4H
NiSO3 + HCl = NiCl2 + H2SO3 =>
NiSO3 + 2 HCl = NiCl2 + H2SO3
C4H2O3 + H2O = C4H4O4 =>
C4H2O3 + H2O = C4H4O4
H2O + (NCF)3 = HF + (NCOH)3 =>
3 H2O + (NCF)3 = 3 HF + (NCOH)3
Li3PO3 + (NH4)2Cr2O7 = Li2Cr2O7 + (NH4)3PO3 =>
2 Li3PO3 + 3(NH4)2Cr2O7 = 3 Li2Cr2O7 + 2(NH4)3PO3
Pb(NO3)2 + CuSO4 = PbSO4 + Cu(NO3)2 =>
Pb(NO3)2 + CuSO4 = PbSO4 + Cu(NO3)2
SnO + HCl = H[SnCl3] + H2O =>
SnO + 3 HCl = H[SnCl3] + H2O
CH3COOH + H2SO4 = H2S + CO2 + H2O =>
CH3COOH + H2SO4 = H2S + 2 CO2 + 2 H2O
NaBr = Br + Na =>
NaBr = Br + Na
CO(III)(OH) + HNO3 = H2O + CO(III)(NO3) =>
CO(III)(OH) + HNO3 = H2O + CO(III)(NO3)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/11/24
Équations équilibrées sur01/10/24
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