| Équations équilibrées la veille | Équations équilibrées le lendemain |
7 CH3CH2CH2OH + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 7 CH3CH2COOH + 11 H2
K2SO3 + H2O = KHSO3 + KOH =>
K2SO3 + H2O = KHSO3 + KOH
(MgOB2O3) + HCl + H2O = MgCl2 + B(OH)3 =>
(MgOB2O3) + 2 HCl + 2 H2O = MgCl2 + 2 B(OH)3
H2CO3 + NH4 + OH = H2O + CO3NH4 =>
H2CO3 + NH4 + 2 OH = 2 H2O + CO3NH4
KI + NH4(NO3) = NH4I + K(NO3) =>
KI + NH4(NO3) = NH4I + K(NO3)
Co + Fe{2+} = Co{2+} + Fe =>
Co + Fe{2+} = Co{2+} + Fe
Ka + H2SO4 = Ka(SO4) + H2 =>
Ka + H2SO4 = Ka(SO4) + H2
K4[Fe(CN)6] + H2SO4 + H2O2 = K2SO4 + FeSO4 + NO + CO2 + H2O =>
K4[Fe(CN)6] + 3 H2SO4 + 21 H2O2 = 2 K2SO4 + FeSO4 + 6 NO + 6 CO2 + 24 H2O
Nitrogen + oxygen = dinitrogentetroxide =>
N2 + 2 O2 = N2O4
Cr + AgNO3 = Cr3(NO3) + Ag =>
3 Cr + AgNO3 = Cr3(NO3) + Ag
NH2CH2COOH(l) + O2(g) = (NH2)2CO(s) + CO2(g) + H2O(l) =>
2 NH2CH2COOH(l) + 3 O2(g) = (NH2)2CO(s) + 3 CO2(g) + 3 H2O(l)
Cu{2+} + Au = Cu + Au{+} =>
Cu{2+} + 2 Au = Cu + 2 Au{+}
NiS2(S) + O2(g) = SO2(g) + Ni2S3(S) =>
2 NiS2(S) + 2 O2(g) = 2 SO2(g) + Ni2S3(S)
Ca(NO3)2(aq) + KOH(aq) = Ca(OH)2(s) + KNO3(aq) =>
Ca(NO3)2(aq) + 2 KOH(aq) = Ca(OH)2(s) + 2 KNO3(aq)
C6H12O6 = C2H5OH + CO2 =>
C6H12O6 = 2 C2H5OH + 2 CO2
CH3COOH + AgNO3 + NH3 = Ag + NH4NO3 + CO2 =>
3 CH3COOH + 8 AgNO3 + 4 NH3 = 8 Ag + 6 NH4NO3 + 6 CO2
Al(s) + SnSO4(aq) = Al2(SO4)3 + Sn =>
2 Al(s) + 3 SnSO4(aq) = Al2(SO4)3 + 3 Sn
CuS(s) + HCl(ac) = H2S(g) + CuCl2(ac) =>
CuS(s) + 2 HCl(ac) = H2S(g) + CuCl2(ac)
Carbon2Hydrogen2 + Oxygen2 = Hydrogen2Oxygen + CarbonOxygen2 =>
2 Carbon2Hydrogen2 + 5 Oxygen2 = 2 Hydrogen2Oxygen + 4 CarbonOxygen2
BeO(s) = Be2(s) + O2(g) =>
2 BeO(s) = Be2(s) + O2(g)
Be(OH)2 + KOH = K2[Be(OH)4] =>
Be(OH)2 + 2 KOH = K2[Be(OH)4]
NaBr(aq) + (NH4)2CO3(aq) = Na2CO3 + NH4Br =>
2 NaBr(aq) + (NH4)2CO3(aq) = Na2CO3 + 2 NH4Br
Fe2(SO4)3 + NaOH = Fe(OH)3 + Na2SO4 =>
Fe2(SO4)3 + 6 NaOH = 2 Fe(OH)3 + 3 Na2SO4
HNO3 + Ba2Cl2 = HCl + BaNO3 =>
2 HNO3 + Ba2Cl2 = 2 HCl + 2 BaNO3
CuCl + Al = Cu3Al + Cl =>
3 CuCl + Al = Cu3Al + 3 Cl
ClO2 + P + H2O = HCl + H3PO3 =>
3 ClO2 + 5 P + 9 H2O = 3 HCl + 5 H3PO3
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
Al2(SO4)3 + NaOH = Al(OH)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4
NiSO4 + NaOH = Ni(OH)2 + Na2SO4 =>
NiSO4 + 2 NaOH = Ni(OH)2 + Na2SO4
C6H18O(g) + O2 = CO2 + H =>
2 C6H18O(g) + 11 O2 = 12 CO2 + 36 H
(N2H5)HSO4 + KIO3 = K(N2H5)SO4 + HIO3 =>
(N2H5)HSO4 + KIO3 = K(N2H5)SO4 + HIO3
NH4HCO3 + CaSO4 = CaCO3 + NH4HSO4 =>
NH4HCO3 + CaSO4 = CaCO3 + NH4HSO4
Al(OH)3 + H2CO3 = Al2(CO3)3 + H2O =>
2 Al(OH)3 + 3 H2CO3 = Al2(CO3)3 + 6 H2O
NH4HCO3 + CaSO4 = CaCO3 + NH4HSO4 =>
NH4HCO3 + CaSO4 = CaCO3 + NH4HSO4
C6H8O6 + I2 = I{-} + C6H6O6 + H{+} =>
C6H8O6 + I2 = 2 I{-} + C6H6O6 + 2 H{+}
IO4{-} + IO2{-} = IO3{-} =>
IO4{-} + IO2{-} = 2 IO3{-}
CH3COOH + Fe(OH)2 = Fe(CH3COO) + H2 + (OH)2 =>
2 CH3COOH + 2 Fe(OH)2 = 2 Fe(CH3COO) + H2 + 2(OH)2
Zn + MgI2 = ZnI + Mg =>
2 Zn + MgI2 = 2 ZnI + Mg
CuSO4*5H2O + KI = I2 + H2O + K2SO4 + Cu =>
CuSO4*5H2O + 2 KI = I2 + 5 H2O + K2SO4 + Cu
Cu3N + Fe = Cu2Fe + N2 =>
2 Cu3N + 3 Fe = 3 Cu2Fe + N2
SO3{-} + MnO4{-} + H{+} = SO4{-} + Mn{+2} + H2O =>
5 SO3{-} + 2 MnO4{-} + 6 H{+} = 5 SO4{-} + 2 Mn{+2} + 3 H2O
Al + K(HO) + H2O = KAl(OH)4 + H2 =>
2 Al + 2 K(HO) + 6 H2O = 2 KAl(OH)4 + 3 H2
AgC2H3O2 + Na2SO4 = Ag2SO4 + CH3COONa =>
2 AgC2H3O2 + Na2SO4 = Ag2SO4 + 2 CH3COONa
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Cu(s) + Cl2(g) = CuCl2(g) =>
Cu(s) + Cl2(g) = CuCl2(g)
CuS + HNO{3} = Cu(NO{3}){2} + NO + S{8} + H{2}O =>
CuS + 13 HNO{3} = Cu(NO{3}){2} + 12 NO + S{8} + 13 H{2}O
Fe3{+} + NH3OH{+} = N2O + Fe + H2O + H{+} =>
4 Fe3{+} + 2 NH3OH{+} = N2O + 12 Fe + H2O + 6 H{+}
Al2 + CuSO4 = Al2(SO4)2 + Cu =>
Al2 + 2 CuSO4 = Al2(SO4)2 + 2 Cu
C4H10 + OH = CO2 + H2O =>
C4H10 + 26 OH = 4 CO2 + 18 H2O
C9H15(g) + O2(g) = CO2(g) + H20(g) =>
4 C9H15(g) + 36 O2(g) = 36 CO2(g) + 3 H20(g)
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Équations équilibrées sur04/21/25
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