| Équations équilibrées la veille |
Na2S(aq) + NiSO4(aq) = Na2SO4(aq) + NiS(s)
NaC2H3O2(aq) + AgNO3(aq) = NaNO3 + AgC2H3O2 =>
NaC2H3O2(aq) + AgNO3(aq) = NaNO3 + AgC2H3O2
CaS + FeCl2 = CaCl2 + FeS =>
CaS + FeCl2 = CaCl2 + FeS
MgI2 + O2 = MgO2 + I2 =>
MgI2 + O2 = MgO2 + I2
ZnCl2(aq) + Hg2(NO3)2(aq) = Hg2Cl2(s) + Zn(NO3)2(aq) =>
ZnCl2(aq) + Hg2(NO3)2(aq) = Hg2Cl2(s) + Zn(NO3)2(aq)
Hg(NO3)2 + FeSO4 = Fe(NO3)3 + Fe2(SO4)3 + Hg =>
3 Hg(NO3)2 + 6 FeSO4 = 2 Fe(NO3)3 + 2 Fe2(SO4)3 + 3 Hg
C2H4 + Br = CH2BrCH2Br =>
C2H4 + 2 Br = CH2BrCH2Br
*2Fe + O2 = *2FeO3 =>
*2Fe + 3 O2 = *2FeO3
Zn + K + Fe(CN)6 = Zn3K2(Fe(CN)6)2 =>
3 Zn + 2 K + 2 Fe(CN)6 = Zn3K2(Fe(CN)6)2
Pb(NO3)2 + (NH4)3PO4 = Pb3(PO4)2 + NH4NO3 =>
3 Pb(NO3)2 + 2(NH4)3PO4 = Pb3(PO4)2 + 6 NH4NO3
(NH4)2SO4(aq) + CuCl2(aq) = (NH4)2Cl2 + CuSO4 =>
(NH4)2SO4(aq) + CuCl2(aq) = (NH4)2Cl2 + CuSO4
BaO3 = BaO + O2 =>
BaO3 = BaO + O2
CoCl2(aq) + CuSO4(aq) = CoSO4 + CuCl2 =>
CoCl2(aq) + CuSO4(aq) = CoSO4 + CuCl2
Se + HNO3 + H2O = H2SeO3 + NO =>
3 Se + 4 HNO3 + H2O = 3 H2SeO3 + 4 NO
MgBr2 = Mg + Br =>
MgBr2 = Mg + 2 Br
KF(s) = K{+}(aq) + F{-}(aq) =>
KF(s) = K{+}(aq) + F{-}(aq)
NaBr + O2 = Na2O + Br2 =>
4 NaBr + O2 = 2 Na2O + 2 Br2
Na2CO3 + S + SO2 = CO2 + Na2S2O3 =>
Na2CO3 + S + SO2 = CO2 + Na2S2O3
KNO3 + CH3COOH = NH3 + CO2 + H2O + K2 =>
8 KNO3 + 9 CH3COOH = 8 NH3 + 18 CO2 + 6 H2O + 4 K2
CuO + NaOH + H2O = Na2[Cu(OH)4] =>
CuO + 2 NaOH + H2O = Na2[Cu(OH)4]
HClO4(aq) + CsOH(aq) = CsClO4 + H2O =>
HClO4(aq) + CsOH(aq) = CsClO4 + H2O
Al(s) + FeO(s) = Fe(s) + AlO =>
Al(s) + FeO(s) = Fe(s) + AlO
C4H10NO3PS + H2O + O2 = C2H5OH + CH4N2O + H3PO4 + H2SO4 =>
4 C4H10NO3PS + 15 H2O + 7 O2 = 7 C2H5OH + 2 CH4N2O + 4 H3PO4 + 4 H2SO4
NaHCO3 + H2O = NaOH + H2CO3 =>
NaHCO3 + H2O = NaOH + H2CO3
HPO4{2-} + H2O = PO4{3-} + H3O{+} =>
HPO4{2-} + H2O = PO4{3-} + H3O{+}
Fe{3+} + I{-} = Fe{2+} + I2 =>
2 Fe{3+} + 2 I{-} = 2 Fe{2+} + I2
BaO2 + H2O = Ba(OH)2 + H2O2 =>
BaO2 + 2 H2O = Ba(OH)2 + H2O2
ZnCl2(aq) + Hg2(NO3)2(aq) = HgCl(s) + Zn(NO3)2(aq) =>
ZnCl2(aq) + Hg2(NO3)2(aq) = 2 HgCl(s) + Zn(NO3)2(aq)
KMnO4 + AgI + H2SO4 = Ag2SO4 + I2 + MnSO4 + K2SO4 + H2O =>
2 KMnO4 + 10 AgI + 8 H2SO4 = 5 Ag2SO4 + 5 I2 + 2 MnSO4 + K2SO4 + 8 H2O
KO2 + SO2 = K2SO4 + O2 =>
2 KO2 + SO2 = K2SO4 + O2
SiO2 + CO2 = SiC + O2 =>
SiO2 + CO2 = SiC + 2 O2
Ca + N2 = Ca3N2 =>
3 Ca + N2 = Ca3N2
MnBr2 + Na2CO3 = MnCO3 + NaBr =>
MnBr2 + Na2CO3 = MnCO3 + 2 NaBr
MgO + I2 = MgI2 + O2 =>
2 MgO + 2 I2 = 2 MgI2 + O2
BaCl2 + NaH2PO4 = Ba(H2PO4)2 + NaCl =>
BaCl2 + 2 NaH2PO4 = Ba(H2PO4)2 + 2 NaCl
Mn + Al2(SO4)3 = MnSO4 + Al =>
3 Mn + Al2(SO4)3 = 3 MnSO4 + 2 Al
Cl + O = Cl2O3 =>
2 Cl + 3 O = Cl2O3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
I2 + S2O3({-}2) = I{-} + S4O6({-}2) =>
I2 + 4 S2O3({-}2) = 2 I{-} + 2 S4O6({-}2)
Cu(ii) + AgNO3 = CuNO3 + Ag =>
Cu(ii) + AgNO3 = CuNO3 + Ag
CaO + C = CaC2CO =>
CaO + 3 C = CaC2CO
Zn + Fe(OH)3 = Zn(OH)2 + Fe =>
3 Zn + 2 Fe(OH)3 = 3 Zn(OH)2 + 2 Fe
FeCl2 + NH4CNS = Fe(CNS)2 + NH4Cl =>
FeCl2 + 2 NH4CNS = Fe(CNS)2 + 2 NH4Cl
H2SO4 + H = H2SO3 + H2O =>
H2SO4 + 2 H = H2SO3 + H2O
Mg3(PO4)2 + KCl = MgCl2 + K3(PO4) =>
Mg3(PO4)2 + 6 KCl = 3 MgCl2 + 2 K3(PO4)
S2O8{2-} + Cl2 + H2O = SO4{2-} + ClO3{-} + H{+} =>
5 S2O8{2-} + Cl2 + 6 H2O = 10 SO4{2-} + 2 ClO3{-} + 12 H{+}
NF3 + NO = N4F4 + ONF =>
4 NF3 + 8 NO = N4F4 + 8 ONF
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Sn{2+} + Cu = Sn + Cu{+} =>
Sn{2+} + 2 Cu = Sn + 2 Cu{+}
ZnCl2 + KI = ZnI2 + KCl =>
ZnCl2 + 2 KI = ZnI2 + 2 KCl
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