| Équations équilibrées la veille | Équations équilibrées le lendemain |
CsH + H2O = HCsO + H2
ZnO + KOH + H2O = K2[Zn(OH)4] =>
ZnO + 2 KOH + H2O = K2[Zn(OH)4]
Fe + HNO3 + HCl = FeCl3 + NO2 + H2O =>
Fe + 3 HNO3 + 3 HCl = FeCl3 + 3 NO2 + 3 H2O
OH + CO2 = CO3 + H =>
OH + CO2 = CO3 + H
MnSO4 + NaCl = MnCl2 + Na2SO4 =>
MnSO4 + 2 NaCl = MnCl2 + Na2SO4
H{+}(aq) + H3AsO4(aq) + Zn(s) = AsH3(g) + Zn{2+}(aq) + H2O =>
8 H{+}(aq) + H3AsO4(aq) + 4 Zn(s) = AsH3(g) + 4 Zn{2+}(aq) + 4 H2O
KCl(aq) + AgNO3 = KNO3 + AgCl =>
KCl(aq) + AgNO3 = KNO3 + AgCl
CsH + H2O = HCsO + H2 =>
CsH + H2O = HCsO + H2
AgNO3 + Cu(NO3)2 = Ag(NO3)2 + CuNO3 =>
AgNO3 + Cu(NO3)2 = Ag(NO3)2 + CuNO3
Pt + H2SO4 = PtO + H2S =>
4 Pt + H2SO4 = 4 PtO + H2S
Cu + K4[Fe(CN)6] = Cu2[Fe(CN)6] + K2 =>
2 Cu + K4[Fe(CN)6] = Cu2[Fe(CN)6] + 2 K2
OH + CO2 = CO3 + H2O =>
2 OH + CO2 = CO3 + H2O
H2S + O2 = SOH + H2O =>
4 H2S + 3 O2 = 4 SOH + 2 H2O
Yb(NO)3(H2O)5 + SiO(NO3)2 + C6H8O7H2O = Yb2Si2O7 + CO2 + H2O + N2 =>
18 Yb(NO)3(H2O)5 + 18 SiO(NO3)2 + 13 C6H8O7H2O = 9 Yb2Si2O7 + 78 CO2 + 155 H2O + 45 N2
ZnCl2(aq) + NaOH(aq) = Zn(OH)2 + NaCl(aq) =>
ZnCl2(aq) + 2 NaOH(aq) = Zn(OH)2 + 2 NaCl(aq)
KFeCN + PbO2 + HCl = KCl + FeCl2 + PbCl2 + CO2 + HNO3 + H2O =>
KFeCN + 6 PbO2 + 15 HCl = KCl + FeCl2 + 6 PbCl2 + CO2 + HNO3 + 7 H2O
Al2(C2O4)3 + O2 = Al2O3 + CO2 =>
2 Al2(C2O4)3 + 3 O2 = 2 Al2O3 + 12 CO2
As2S3 + OH = AsO4 + SO4 + H2O =>
As2S3 + 40 OH = 2 AsO4 + 3 SO4 + 20 H2O
CaCl2 + HF2 = CaF2 + HCl2 =>
CaCl2 + HF2 = CaF2 + HCl2
K2H2Sb2O7 + NaNO2 = Na2H2Sb2O7 + KNO2 =>
K2H2Sb2O7 + 2 NaNO2 = Na2H2Sb2O7 + 2 KNO2
Fe(OH)2 + H3PO4 = H3(OH)2 + FePO4 =>
Fe(OH)2 + H3PO4 = H3(OH)2 + FePO4
H3PO4(l) + NaI(s) = HI + Na3PO4 =>
H3PO4(l) + 3 NaI(s) = 3 HI + Na3PO4
HCl + K2Cr2O7 + CH3CH2OH = CrCl3 + H2O + CH3CHO + KCl =>
8 HCl + K2Cr2O7 + 3 CH3CH2OH = 2 CrCl3 + 7 H2O + 3 CH3CHO + 2 KCl
FeCl2 + Na3PO4 = Fe3(PO4)2 + NaCl =>
3 FeCl2 + 2 Na3PO4 = Fe3(PO4)2 + 6 NaCl
HCl(s) + NaOH = NaCl + H2O(l) =>
HCl(s) + NaOH = NaCl + H2O(l)
Na2SeO3 + HCl = Se + Cl2 + NaCl + H2O =>
Na2SeO3 + 6 HCl = Se + 2 Cl2 + 2 NaCl + 3 H2O
HCl + K2Cr2O7 + CH3CH2OH = CrCl3 + H2O + C2H4O + KCl =>
8 HCl + K2Cr2O7 + 3 CH3CH2OH = 2 CrCl3 + 7 H2O + 3 C2H4O + 2 KCl
Co2 + OH = Co(OH)2 =>
Co2 + 4 OH = 2 Co(OH)2
MgO + H = Mg + H2O =>
MgO + 2 H = Mg + H2O
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
HC7H5O2 + LiOH = LiC7H5O2 + H2O =>
HC7H5O2 + LiOH = LiC7H5O2 + H2O
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
Li(s) + H2O(l) = LiOH(s) + H2(l) =>
2 Li(s) + 2 H2O(l) = 2 LiOH(s) + H2(l)
FeCl2 + Na3PO4 = Fe3(PO4)2 + NaCl =>
3 FeCl2 + 2 Na3PO4 = Fe3(PO4)2 + 6 NaCl
CH3CO2H + H2O = CH3O2 + H3O =>
CH3CO2H + 4 H2O = 2 CH3O2 + 2 H3O
Al2(SO3)3 + HNO3 = Al(NO3)3 + SO2 + H2O =>
Al2(SO3)3 + 6 HNO3 = 2 Al(NO3)3 + 3 SO2 + 3 H2O
Hg2(ClO4)2(aq) + NH4I(aq) = Hg2I2(s) + NH4ClO4 =>
Hg2(ClO4)2(aq) + 2 NH4I(aq) = Hg2I2(s) + 2 NH4ClO4
AgNO3(aq) + H2SO4(aq) = HNO3(aq) + Ag2SO4(s) =>
2 AgNO3(aq) + H2SO4(aq) = 2 HNO3(aq) + Ag2SO4(s)
NaPbO2 + HCl = PbCl3 + NaCl + H2O =>
NaPbO2 + 4 HCl = PbCl3 + NaCl + 2 H2O
Na2B4O7 + H2O = B(OH)3 + NaOH =>
Na2B4O7 + 7 H2O = 4 B(OH)3 + 2 NaOH
Pb(NO3)4 = PbO + N2O + O2 =>
2 Pb(NO3)4 = 2 PbO + 4 N2O + 9 O2
FeO + H2SO4 = Fe2(SO4)2 + H2O =>
2 FeO + 2 H2SO4 = Fe2(SO4)2 + 2 H2O
C4H1O + O2 = CO2 + H2O =>
4 C4H1O + 15 O2 = 16 CO2 + 2 H2O
H2O2 + NaOH = Na2O2 + H2O =>
H2O2 + 2 NaOH = Na2O2 + 2 H2O
Na2[Zn(OH)4] + H2SO4 = Na2SO4 + (ZnOH)2SO4 + H2O =>
2 Na2[Zn(OH)4] + 3 H2SO4 = 2 Na2SO4 + (ZnOH)2SO4 + 6 H2O
HgS + H2SO4 = HgSO4 + H2S =>
HgS + H2SO4 = HgSO4 + H2S
NaCl + I2 = NaI + Cl =>
2 NaCl + I2 = 2 NaI + 2 Cl
MgO + CO2 + H2O = Mg(HCO3)2 =>
MgO + 2 CO2 + H2O = Mg(HCO3)2
Pb(NO3)2(aq) + HBr(aq) = PbBr2(s) + HNO3(aq) =>
Pb(NO3)2(aq) + 2 HBr(aq) = PbBr2(s) + 2 HNO3(aq)
Zn3(PO4)2 + H3PO4 = Zn(H2PO4)2 =>
Zn3(PO4)2 + 4 H3PO4 = 3 Zn(H2PO4)2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur07/04/24
Équations équilibrées sur08/03/23
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