| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 KHCO3*MgCO3*2H2O = K2CO3 + 5 H2O + CO2 + 2 MgCO3
CoO3 = O2 + CoO =>
CoO3 = O2 + CoO
CH2O + NaOH = CHONa + H2O =>
CH2O + NaOH = CHONa + H2O
K2CO3 + CO2 + H2O = KHCO3 =>
K2CO3 + CO2 + H2O = 2 KHCO3
ZnBr2 + KOH = KBr + Zn(OH)2 =>
ZnBr2 + 2 KOH = 2 KBr + Zn(OH)2
Au + Cu(NO3)2 = AuNO3 + Cu =>
2 Au + Cu(NO3)2 = 2 AuNO3 + Cu
NH3 + Na2O = NaOH + NaNH2 =>
NH3 + Na2O = NaOH + NaNH2
AgCl + KI = KCl + AgI =>
AgCl + KI = KCl + AgI
CrS(aq) + HBr(aq) = CrBr2(aq) + H2S(l) =>
CrS(aq) + 2 HBr(aq) = CrBr2(aq) + H2S(l)
Na + C2H6O = C2H5ONa + H =>
Na + C2H6O = C2H5ONa + H
K2CrO4 + Ba(CH3COO)2 = K2(CH3COO)2 + BaCrO4 =>
K2CrO4 + Ba(CH3COO)2 = K2(CH3COO)2 + BaCrO4
FePO4 + HCl = FeCl3 + H3PO4 =>
FePO4 + 3 HCl = FeCl3 + H3PO4
AgCl + NaHCO3 = NaCl + Ag + CO2 + H2O + O2 =>
4 AgCl + 4 NaHCO3 = 4 NaCl + 4 Ag + 4 CO2 + 2 H2O + O2
KClO3 + NaOH + MnS04 = KCl + Na2MnO4 + Na2SO4 + H2O =>
5 KClO3 + 10 NaOH + MnS04 = 5 KCl + Na2MnO4 + 4 Na2SO4 + 5 H2O
K2S(aq) + CaBr2(aq) = K2Br2(aq) + CaS(s) =>
K2S(aq) + CaBr2(aq) = K2Br2(aq) + CaS(s)
C2H4Br2 + Mg = C2H4 + MgBr2 =>
C2H4Br2 + Mg = C2H4 + MgBr2
PbCl6{2-} + KI = PbI6{2-} + KCl =>
PbCl6{2-} + 6 KI = PbI6{2-} + 6 KCl
Sn(s) + Ca{2+} = Sn{2+} + Ca(s) =>
Sn(s) + Ca{2+} = Sn{2+} + Ca(s)
Li + O = Li3O =>
3 Li + O = Li3O
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
CH3CH2CH2CHCH2 + KMnO4 + H2O = MnO2 + CH3CH(OH)CH2(OH) + KOH =>
9 CH3CH2CH2CHCH2 + 10 KMnO4 + 20 H2O = 10 MnO2 + 15 CH3CH(OH)CH2(OH) + 10 KOH
Bi2000O3000 + Fe2000O3000 + Ba1000C1000O3000 + Ti1000O2000 + K2000C1000O3000 + Nb2000O5000 = Bi603Fe603Ba297Ti297K100Nb100O3000 + C1000O2000 =>
603 Bi2000O3000 + 603 Fe2000O3000 + 594 Ba1000C1000O3000 + 594 Ti1000O2000 + 100 K2000C1000O3000 + 100 Nb2000O5000 = 2000 Bi603Fe603Ba297Ti297K100Nb100O3000 + 694 C1000O2000
Cs + H2O = H2 + Cs2O =>
2 Cs + H2O = H2 + Cs2O
Na2CO3 + Fe2O3 + Sb2O5 = Na4FeSbO6 + CO2 =>
4 Na2CO3 + Fe2O3 + Sb2O5 = 2 Na4FeSbO6 + 4 CO2
Fe3SO4 + NaOH = Fe3(OH)2 + Na2SO4 =>
Fe3SO4 + 2 NaOH = Fe3(OH)2 + Na2SO4
Zn(OH)2(s) + OH = Zn(OH)4(aq) =>
Zn(OH)2(s) + 2 OH = Zn(OH)4(aq)
Cl2 + O2 = Cl2O =>
2 Cl2 + O2 = 2 Cl2O
H2[TiO2(SO4)2] + NaF = Na2[TiF6] + Na2SO4 + H2O2 =>
H2[TiO2(SO4)2] + 6 NaF = Na2[TiF6] + 2 Na2SO4 + H2O2
CaC2 + HCl = CaCl2 + C2H2 =>
CaC2 + 2 HCl = CaCl2 + C2H2
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
Sn + HCl + H2O = SnCl22H2O + H2 =>
Sn + 22 HCl + H2O = SnCl22H2O + 11 H2
C5120H + O2 = CO2 + H2O =>
4 C5120H + 20481 O2 = 20480 CO2 + 2 H2O
Al(CO3) + NaBr = Na(CO3) + AlBr =>
Al(CO3) + NaBr = Na(CO3) + AlBr
HI + Mg(OH)2 = H2O(l) + MgI2(aq) =>
2 HI + Mg(OH)2 = 2 H2O(l) + MgI2(aq)
Cu(NO3)2 + Fe2(OH)3 = Cu(OH)2 + Fe2(NO3)3 =>
3 Cu(NO3)2 + 2 Fe2(OH)3 = 3 Cu(OH)2 + 2 Fe2(NO3)3
H2O + CO2 = C3H8O6 + O2 =>
4 H2O + 3 CO2 = C3H8O6 + 2 O2
Fe13 + Cl20 = FeCl26 =>
10 Fe13 + 169 Cl20 = 130 FeCl26
Au(NO3)3 + Sn = Sn(NO3)2 + Au3 =>
6 Au(NO3)3 + 9 Sn = 9 Sn(NO3)2 + 2 Au3
MgC2 + H2O = MgO + C2H2 =>
MgC2 + H2O = MgO + C2H2
H2HgO2 + H3Po4 = Hg3(Po4)2 + H2O =>
3 H2HgO2 + 2 H3Po4 = Hg3(Po4)2 + 6 H2O
SO2 + KOH = SOH + KO2 =>
SO2 + KOH = SOH + KO2
FeCl3 + K3Fe(CN)6 + SnCl2 = Fe3(Fe(CN)6)2 + KCl + SnCl4 =>
6 FeCl3 + 4 K3Fe(CN)6 + 3 SnCl2 = 2 Fe3(Fe(CN)6)2 + 12 KCl + 3 SnCl4
NH4I + Ba(OH)2 = BaI2 + H2O + NH3 =>
2 NH4I + Ba(OH)2 = BaI2 + 2 H2O + 2 NH3
CuCO2 + H2SO4 = CuSO4 + CO + H2O =>
CuCO2 + H2SO4 = CuSO4 + CO + H2O
CO2 + Ca2Mg5Si8O22(OH)2 + MgO = Mg2SiO4 + CaCO3 + H2O =>
2 CO2 + Ca2Mg5Si8O22(OH)2 + 11 MgO = 8 Mg2SiO4 + 2 CaCO3 + H2O
NaCl + Br{2+} = NaBr + Cl{2+} =>
NaCl + Br{2+} = NaBr + Cl{2+}
FeO + HF = FeF2 + H2O =>
FeO + 2 HF = FeF2 + H2O
NaHCO3 + CH3COOH = NaHCO3(CH3COO)2 + H2 =>
NaHCO3 + 2 CH3COOH = NaHCO3(CH3COO)2 + H2
Sn + HCl + H2O = SnCl22H2O + H2 =>
Sn + 22 HCl + H2O = SnCl22H2O + 11 H2
Li3(PO4) + Zn(NO3)2 = Li(NO3) + Zn3(PO4)2 =>
2 Li3(PO4) + 3 Zn(NO3)2 = 6 Li(NO3) + Zn3(PO4)2
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Équations équilibrées sur12/10/24
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