| Équations équilibrées la veille |
K2S + H2S = 2 KHS
ZnSO4 + NaOH = Zn(OH)2 + Na2SO4 =>
ZnSO4 + 2 NaOH = Zn(OH)2 + Na2SO4
Na + Cl = NaCl =>
Na + Cl = NaCl
HI + KOH = H2O + K + I =>
HI + KOH = H2O + K + I
CH3OH + K2Cr2O7 = CHO + Cr2O3 + KOH + H2O =>
2 CH3OH + K2Cr2O7 = 2 CHO + Cr2O3 + 2 KOH + 2 H2O
Ni + HBr = NiBr2 + H =>
Ni + 2 HBr = NiBr2 + 2 H
AgNO3 + Na2S2O3 = Na + [Ag(S2O3)2] + NaNO3 =>
AgNO3 + 2 Na2S2O3 = 3 Na + [Ag(S2O3)2] + NaNO3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
CuSO4 + KSCN = KSO4 + CuSCN =>
CuSO4 + KSCN = KSO4 + CuSCN
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Li + MgF2 = LiF + Mg =>
2 Li + MgF2 = 2 LiF + Mg
S{2-} + Pb{2+} = SPb =>
S{2-} + Pb{2+} = SPb
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Na2B4O710H2O(s) + NaOH(aq) + H2O2 = NaBO36H2O(s) + NaO2H(l) =>
Na2B4O710H2O(s) + 571 NaOH(aq) + 2 H2O2 = 4 NaBO36H2O(s) + 569 NaO2H(l)
Ca(OH)2 + HCl = H2O + CaCl2 =>
Ca(OH)2 + 2 HCl = 2 H2O + CaCl2
H + Cl2 = HCl =>
2 H + Cl2 = 2 HCl
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
Al3O6 = Al + O2 =>
Al3O6 = 3 Al + 3 O2
C7H8O + Na = C7H7ONa + H2 =>
2 C7H8O + 2 Na = 2 C7H7ONa + H2
LiF + Cr2(SO4)3 = Li2SO4 + CrF3 =>
6 LiF + Cr2(SO4)3 = 3 Li2SO4 + 2 CrF3
NaOH + FeCl2 = Fe + (OH)2 + NaCl =>
2 NaOH + FeCl2 = Fe + (OH)2 + 2 NaCl
KNO3 + Mg = MgO + KNO2 =>
KNO3 + Mg = MgO + KNO2
C6H5OH + C3H6O = C15H16O2 + H2O =>
2 C6H5OH + C3H6O = C15H16O2 + H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
NaOH + Bi(NO3)3 = Bi(OH)3 + NaNO3 =>
3 NaOH + Bi(NO3)3 = Bi(OH)3 + 3 NaNO3
Ag + H2O = AgOH + H =>
Ag + H2O = AgOH + H
Ag(NO3) + Cu = Cu3(NO3) + Ag =>
Ag(NO3) + 3 Cu = Cu3(NO3) + Ag
HCN = H2 + CN =>
2 HCN = H2 + 2 CN
PbSO4 + HCl = PbCl + HSO4 =>
PbSO4 + HCl = PbCl + HSO4
C6H5ONa + CO2 + H2O = C6H5OH + NaCO3 =>
28 C6H5ONa + 34 CO2 + 17 H2O = 29 C6H5OH + 28 NaCO3
MgCO3 + H2O2 = MgO2 + CO2 + H2O =>
MgCO3 + H2O2 = MgO2 + CO2 + H2O
HCH2CHCO2 + OH = H2O + CH2CHCO2 =>
HCH2CHCO2 + OH = H2O + CH2CHCO2
FeCl3 + FeSO4 = Fe2(SO4)3 + FeCl2 =>
2 FeCl3 + 3 FeSO4 = Fe2(SO4)3 + 3 FeCl2
Fe{+2} + H2C2O4 + H2O = Fe(C2O4)*2H2O + H{+} =>
Fe{+2} + H2C2O4 + 2 H2O = Fe(C2O4)*2H2O + 2 H{+}
NO2 + H2O = H2NO3 = NO =>
NO2 + H2O = H2NO3
Cl2 + Li4I = LiCl + I2 =>
4 Cl2 + 2 Li4I = 8 LiCl + I2
FeSO4 + ClO2 = SO3 + Fe(ClO3)3 + FeCl3 =>
9 FeSO4 + 27 ClO2 = 9 SO3 + 7 Fe(ClO3)3 + 2 FeCl3
C6H6 + H2O2 = CO2 + H2O =>
C6H6 + 15 H2O2 = 6 CO2 + 18 H2O
LiNO3 + CaSO4 = Li2SO4 + Ca(NO3)2 =>
2 LiNO3 + CaSO4 = Li2SO4 + Ca(NO3)2
PCl5 + H2O = HCl + H3PO4 =>
PCl5 + 4 H2O = 5 HCl + H3PO4
C18H38 + O2 = H2O + CO2 =>
2 C18H38 + 55 O2 = 38 H2O + 36 CO2
COSO4 + KI + KIO3 + H2O = CO(OH)2 + K2SO4 + I2 =>
3 COSO4 + 5 KI + KIO3 + 3 H2O = 3 CO(OH)2 + 3 K2SO4 + 3 I2
NaHS + FeCl3 + H2O = H2S + Fe(OH)3 + NaCl =>
3 NaHS + FeCl3 + 3 H2O = 3 H2S + Fe(OH)3 + 3 NaCl
HCN = H2 + C + N2 =>
2 HCN = H2 + 2 C + N2
Mg = Mg2{+} + e =>
2 Mg = Mg2{+} + e
Na2Cr2O7 + Na2SO3 + H2SO4 = Cr2(SO4)3 + H2O + Na2SO4 =>
Na2Cr2O7 + 3 Na2SO3 + 4 H2SO4 = Cr2(SO4)3 + 4 H2O + 4 Na2SO4
NH4Br = NH4 + Br =>
NH4Br = NH4 + Br
BaCrO4 + HCl = BaCl2 + H2CrO4 =>
BaCrO4 + 2 HCl = BaCl2 + H2CrO4
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Équations équilibrées sur12/13/24
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