| Équations équilibrées la veille |
4 Li2O + 2 Ca = 8 Li + Ca2O4
Pb3(PO4)2 + H2 = H3(PO4)2 + Pb =>
2 Pb3(PO4)2 + 3 H2 = 2 H3(PO4)2 + 6 Pb
Cl3Fe + Na + SO3 = S3Fe2 + ClNa + Fe2O3 =>
8 Cl3Fe + 24 Na + 3 SO3 = S3Fe2 + 24 ClNa + 3 Fe2O3
Pb + H3PO4 = H2 + Pb3(PO4)2 =>
3 Pb + 2 H3PO4 = 3 H2 + Pb3(PO4)2
NaOH + H2Co3 = NaHCo3 + H2O =>
NaOH + H2Co3 = NaHCo3 + H2O
NiSO4 + Na2CO3 + H2O = (NiOH)2CO3 + Na2SO4 + CO2 =>
2 NiSO4 + 2 Na2CO3 + H2O = (NiOH)2CO3 + 2 Na2SO4 + CO2
Mn + CuCl = Cu + MnCl2 =>
Mn + 2 CuCl = 2 Cu + MnCl2
Zn + HNO3 = Zn(NO3)2 + H2O + NH3 =>
4 Zn + 9 HNO3 = 4 Zn(NO3)2 + 3 H2O + NH3
AgNa{2}CO{3} = Ag + Na{2}CO{3} =>
AgNa{2}CO{3} = Ag + Na{2}CO{3}
CH3CH(OH)CH3 + KMnO4 + H2SO4 = K2SO4 + MnOH2 + C3H6O + H2O =>
7 CH3CH(OH)CH3 + 2 KMnO4 + H2SO4 = K2SO4 + 2 MnOH2 + 7 C3H6O + 6 H2O
H2SO4(aq) + Ba(OH)2(aq) = H2O + BaSO4(s) =>
H2SO4(aq) + Ba(OH)2(aq) = 2 H2O + BaSO4(s)
MnCl2 + K2Cr2O7 = MnCr2O7 + KCl =>
MnCl2 + K2Cr2O7 = MnCr2O7 + 2 KCl
Pb + H3PO4 = H2 + Pb3(PO4)2 =>
3 Pb + 2 H3PO4 = 3 H2 + Pb3(PO4)2
CaF2 + KNO3 = Ca(NO3)2 + KF =>
CaF2 + 2 KNO3 = Ca(NO3)2 + 2 KF
CF4 + Br2 = CBr4 + F2 =>
CF4 + 2 Br2 = CBr4 + 2 F2
K2Cr2O7 + Na2SO3 + NaOH = Na2SO4 + K2CrO3 + Na2CrO4 + H2O =>
K2Cr2O7 + Na2SO3 + 2 NaOH = Na2SO4 + K2CrO3 + Na2CrO4 + H2O
SBr2 = S + Br =>
SBr2 = S + 2 Br
C6H8O7 + NaHCO3 = Na3C6H5O7 + CO2 + H2O =>
C6H8O7 + 3 NaHCO3 = Na3C6H5O7 + 3 CO2 + 3 H2O
FeSO4 + NaOH = FeH + SNa + O2 =>
2 FeSO4 + 2 NaOH = 2 FeH + 2 SNa + 5 O2
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
Na2CrO4 + HNO3 = Na(NO3) + H2CrO4 =>
Na2CrO4 + 2 HNO3 = 2 Na(NO3) + H2CrO4
FeCl3(aq) + KOH(aq) = Fe(OH)3(s) + KCl(an) =>
FeCl3(aq) + 3 KOH(aq) = Fe(OH)3(s) + 3 KCl(an)
As + NaCIO + H2O = H3AsO4 + NaCI =>
2 As + 5 NaCIO + 3 H2O = 2 H3AsO4 + 5 NaCI
Al2O3(s) + HCl(aq) = AlCl3(aq) + H2O(l) =>
Al2O3(s) + 6 HCl(aq) = 2 AlCl3(aq) + 3 H2O(l)
CH3CH2CH2CH2CH2CH2CH2CH3 + O2 = CO2 + H2O =>
2 CH3CH2CH2CH2CH2CH2CH2CH3 + 25 O2 = 16 CO2 + 18 H2O
H2SO4 + HI = SO2 + I2 + H2O =>
H2SO4 + 2 HI = SO2 + I2 + 2 H2O
Pb(NO3)2 + KI = PbI2 + K(NO3) =>
Pb(NO3)2 + 2 KI = PbI2 + 2 K(NO3)
(S2O3){-} + [Ag(NH3)2]{+} = S4O6 + Ag + NH3 =>
2(S2O3){-} + 2[Ag(NH3)2]{+} = S4O6 + 2 Ag + 4 NH3
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
Zn(s) + HSO4(l) = H2(g) + ZnSO4(aq) =>
2 Zn(s) + 2 HSO4(l) = H2(g) + 2 ZnSO4(aq)
NaOH + Pb = Pb(OH) + Na =>
NaOH + Pb = Pb(OH) + Na
Cu3N2 + O2 = Cu2O2 + N2O5 =>
2 Cu3N2 + 8 O2 = 3 Cu2O2 + 2 N2O5
Cu(OH)2 + MgCl2 = CuCl2 + Mg(OH)2 =>
Cu(OH)2 + MgCl2 = CuCl2 + Mg(OH)2
NaBr + Ca(OH)2 = (CaBr2) + (NaOH) =>
2 NaBr + Ca(OH)2 = (CaBr2) + 2(NaOH)
BaCl2 + CH3COOH = Ba(COOH)2 + CH3Cl =>
BaCl2 + 2 CH3COOH = Ba(COOH)2 + 2 CH3Cl
HNO3 + HCl = NOCl + Cl2 + H2O =>
HNO3 + 3 HCl = NOCl + Cl2 + 2 H2O
C57H102O6(aq) + CH4O(l) = C20H36O2(aq) + C3H8O3(l) =>
6 C57H102O6(aq) + 4 CH4O(l) = 17 C20H36O2(aq) + 2 C3H8O3(l)
HNO3(aq) + BaCO3 = Ba(NO3)2 + H2O + CO2 =>
2 HNO3(aq) + BaCO3 = Ba(NO3)2 + H2O + CO2
Zn + HNO3(conc) = Zn(NO3)2 + N2 + H2O =>
5 Zn + 12 HNO3(conc) = 5 Zn(NO3)2 + N2 + 6 H2O
ZnI2 + KHO = ZnHO + KI2 =>
ZnI2 + KHO = ZnHO + KI2
NaHCO3 + H3C6H8O7 = CO2 + H2O + Na3C6H8O7 =>
3 NaHCO3 + H3C6H8O7 = 3 CO2 + 3 H2O + Na3C6H8O7
C13H238 + O2 = CO + H2O =>
C13H238 + 66 O2 = 13 CO + 119 H2O
C5H12 + O2 = CO + H2O2 =>
2 C5H12 + 17 O2 = 10 CO + 12 H2O2
Ag + C + O2 = Ag2CO3 =>
4 Ag + 2 C + 3 O2 = 2 Ag2CO3
Mg(s) + N(g) = MgN(s) =>
Mg(s) + N(g) = MgN(s)
NH4Cl + O2 = NH3 + HClO2 =>
NH4Cl + O2 = NH3 + HClO2
CH3CH(NH2)COOH + HCl = H2O + CH3CH(NH2)COCl =>
CH3CH(NH2)COOH + HCl = H2O + CH3CH(NH2)COCl
Co(NO3) + Na3PO4 = CoPO4 + Na3(NO3) =>
Co(NO3) + Na3PO4 = CoPO4 + Na3(NO3)
CH3CH(NH2)COOH + HCl = CH3CH(Cl)COOH + NH3 =>
CH3CH(NH2)COOH + HCl = CH3CH(Cl)COOH + NH3
C2H2O4 + MnO2 + H3O{+} = CO2 + H2O + Mn{2+} =>
C2H2O4 + MnO2 + 2 H3O{+} = 2 CO2 + 4 H2O + Mn{2+}
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