| Équations équilibrées la veille |
8 CoCl2 + Ca(ClO4)2 + 8 HCl = 8 CoCl3 + Ca(ClO2)2 + 4 H2O
B{3+} + NH4F = BF4{-} + NH4{+} =>
B{3+} + 4 NH4F = BF4{-} + 4 NH4{+}
Ca(NO3)2 + Cu3PO4 = Ca3(PO4)2 + CuNO3 =>
3 Ca(NO3)2 + 2 Cu3PO4 = Ca3(PO4)2 + 6 CuNO3
K2O + ZnOH = K2ZnO2 + H2 =>
2 K2O + 2 ZnOH = 2 K2ZnO2 + H2
Pb(aq) + NH3(aq) = PbH3(s) + N(aq) =>
Pb(aq) + NH3(aq) = PbH3(s) + N(aq)
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
Pb(No3)2(aq) + NaOH(aq) = Pb(OH)2 + NaNo3(aw) =>
Pb(No3)2(aq) + 2 NaOH(aq) = Pb(OH)2 + 2 NaNo3(aw)
HOOC(CHOH)2COOH + KOH = KOOC(CHOH)2COOK + H2O =>
HOOC(CHOH)2COOH + 2 KOH = KOOC(CHOH)2COOK + 2 H2O
Cu(OH)2 = Cu(O) + H2O =>
Cu(OH)2 = Cu(O) + H2O
Pb(NO3)2 + NaHCO3 = Pb(HCO3)2 + NaNO3 =>
Pb(NO3)2 + 2 NaHCO3 = Pb(HCO3)2 + 2 NaNO3
FeO + CH3COOH = Fe(CH3COO)2 + H2O =>
FeO + 2 CH3COOH = Fe(CH3COO)2 + H2O
AgNO3 + K2CO3 = Ag2CO3 + KNO3 =>
2 AgNO3 + K2CO3 = Ag2CO3 + 2 KNO3
NaCN + NH4Br = NH4CN + NaBr =>
NaCN + NH4Br = NH4CN + NaBr
CI{-} + Ag{+} = AgCI(s) =>
CI{-} + Ag{+} = AgCI(s)
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
Br2 + S2 = S2Br2 =>
Br2 + S2 = S2Br2
NiO + Mo3 + H2O = Ni2Mo3O8 + H2 =>
2 NiO + Mo3 + 6 H2O = Ni2Mo3O8 + 6 H2
K2C2O4 + Ca(OH)2 = Ca(C2O4)2 + K2OH =>
2 K2C2O4 + Ca(OH)2 = Ca(C2O4)2 + 2 K2OH
S + HNO3 = SO2 + NO2 + H2O =>
S + 4 HNO3 = SO2 + 4 NO2 + 2 H2O
NaHCO3 + C6H8O7 = H2O + CO2 + NaC6H5O7 =>
9 NaHCO3 + 8 C6H8O7 = 14 H2O + 3 CO2 + 9 NaC6H5O7
H2SiO3 + K2CO3 = K2SiO3 + CO2 + H2O =>
H2SiO3 + K2CO3 = K2SiO3 + CO2 + H2O
C4H9OH + KMnO4 + H2SO4 = CH3CO2H + MnSO4 + H2O + K2SO =>
2 C4H9OH + 2 KMnO4 + 3 H2SO4 = 4 CH3CO2H + 2 MnSO4 + 5 H2O + K2SO
HCl + HNO3 + Sn = SnCl4 + NO2 + NO + H2O =>
4 HCl + 2 HNO3 + Sn = SnCl4 + NO2 + NO + 3 H2O
HI + Ca2CO3 = H2CO3 + CaI =>
2 HI + Ca2CO3 = H2CO3 + 2 CaI
FeO + CH3COOH = Fe(CH3COO)2 + H2O =>
FeO + 2 CH3COOH = Fe(CH3COO)2 + H2O
KCrO3 + Zn + NaOH = Na2ZnO2 + KCr + H2O =>
KCrO3 + 3 Zn + 6 NaOH = 3 Na2ZnO2 + KCr + 3 H2O
FeO + CH3COOH = Fe(CH3COO)2 + H2O =>
FeO + 2 CH3COOH = Fe(CH3COO)2 + H2O
C8H9NO2 + KClO3 = KCl + CO2 + N2 + H2O =>
6 C8H9NO2 + 37 KClO3 = 37 KCl + 48 CO2 + 3 N2 + 27 H2O
Hg + H2O + CH3Cl2 = HgCl2 + CH3OH + H2 =>
2 Hg + 2 H2O + 2 CH3Cl2 = 2 HgCl2 + 2 CH3OH + H2
MgCl + KI = KCl + MgI =>
MgCl + KI = KCl + MgI
Fe2(SO4)3 + Li3PO4 = FePO4 + Li2SO4 =>
Fe2(SO4)3 + 2 Li3PO4 = 2 FePO4 + 3 Li2SO4
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
MgCI = Mg + CI =>
MgCI = Mg + CI
KAl(SO4)2 + NaOH = KNaSO4 + Na2SO4 + NaAlO2 + H2O =>
KAl(SO4)2 + 4 NaOH = KNaSO4 + Na2SO4 + NaAlO2 + 2 H2O
Na + Ce2 = NaCe1 =>
2 Na + Ce2 = 2 NaCe1
Zn(EDTA){2-} = Zn{2+} + EDTA{4-} =>
Zn(EDTA){2-} = Zn{2+} + EDTA{4-}
AgNO3 + Fe = Ag + Fe(NO3)2 =>
2 AgNO3 + Fe = 2 Ag + Fe(NO3)2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
KI + K2Cr2O7 + H2SO4 = I2 + K2SO4 + Cr2(SO4)3 + H2O =>
6 KI + K2Cr2O7 + 7 H2SO4 = 3 I2 + 4 K2SO4 + Cr2(SO4)3 + 7 H2O
Na2S2O3(ac) + HCl(ac) = NaCl(ac) + SO2(ac) + S(ac) + H2O(l) =>
Na2S2O3(ac) + 2 HCl(ac) = 2 NaCl(ac) + SO2(ac) + S(ac) + H2O(l)
MnCl2 + KClO1 + KOH = K2MnO4 + KCl + H2O =>
MnCl2 + 2 KClO1 + 4 KOH = K2MnO4 + 4 KCl + 2 H2O
CH3COOH + Fe(CH3COO)2 + H2O2 = Fe(CH3COO)3 + H2O =>
2 CH3COOH + 2 Fe(CH3COO)2 + H2O2 = 2 Fe(CH3COO)3 + 2 H2O
MgBr2 + HCl = MgCl2 + BrH =>
MgBr2 + 2 HCl = MgCl2 + 2 BrH
Zl + HCl = ZlCl2 + H2 =>
Zl + 2 HCl = ZlCl2 + H2
SnF4 + Li2CO3 = Sn(CO3)2 + LiF =>
SnF4 + 2 Li2CO3 = Sn(CO3)2 + 4 LiF
Na + Ce2 = NaCe1 =>
2 Na + Ce2 = 2 NaCe1
CaC2 + CO2 + H2O = Ca(OH)2 + C3O2H3 =>
11 CaC2 + 8 CO2 + 26 H2O = 11 Ca(OH)2 + 10 C3O2H3
KOH + F2 = KF + O2 + H2O =>
4 KOH + 2 F2 = 4 KF + O2 + 2 H2O
Fe3{+} + Cr2{+} = Fe2{+} + Cr3{+} =>
2 Fe3{+} + 3 Cr2{+} = 3 Fe2{+} + 2 Cr3{+}
Fe + Ba(NO3)2 = Fe(NO3)3 + Ba =>
2 Fe + 3 Ba(NO3)2 = 2 Fe(NO3)3 + 3 Ba
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