| Équations équilibrées la veille |
Pb(OAc)4{-2} + CrO4{-2} = PbCrO4 + 4 OAc{-}
AgCl + O2 = Cl2O + Ag =>
4 AgCl + O2 = 2 Cl2O + 4 Ag
Be(OH)2 + H2(SO4) = BeSO4 + H2O =>
Be(OH)2 + H2(SO4) = BeSO4 + 2 H2O
MnO2 + Na2SO4 = Na2MnO4 + MnSO4 =>
2 MnO2 + Na2SO4 = Na2MnO4 + MnSO4
K2Cr2O7 + Cu3(PO4)2 = K3PO4 + CuCr2O7 =>
3 K2Cr2O7 + Cu3(PO4)2 = 2 K3PO4 + 3 CuCr2O7
Fe2(SO4)3 + BaCl2 = FeCl3 + BaSO4 =>
Fe2(SO4)3 + 3 BaCl2 = 2 FeCl3 + 3 BaSO4
FeCl3 + NaOH = (Fe(OH)3) + (NaCl) =>
FeCl3 + 3 NaOH = (Fe(OH)3) + 3(NaCl)
CaOH2 + FeCl2 = CaCl2 + FeOH2 =>
CaOH2 + FeCl2 = CaCl2 + FeOH2
NaHCO3 + KHC4H4O6 = NaKC4H4O6 + CO2 + H2O =>
NaHCO3 + KHC4H4O6 = NaKC4H4O6 + CO2 + H2O
Na + Fe3(PO3)2 = Fe + Na3PO3 =>
6 Na + Fe3(PO3)2 = 3 Fe + 2 Na3PO3
K2[Be(OH)4] = KOH + Be(OH)2 =>
K2[Be(OH)4] = 2 KOH + Be(OH)2
CuSO4 + (NH4)2S = (NH4)2SO4 + CuS =>
CuSO4 + (NH4)2S = (NH4)2SO4 + CuS
(CuOH)2CO3 = CuO + H2CO3 =>
(CuOH)2CO3 = 2 CuO + H2CO3
K2MnO4 + K2SO3 + H2SO4 = K2SO4 + MnSO4 + H2O =>
K2MnO4 + 2 K2SO3 + 2 H2SO4 = 3 K2SO4 + MnSO4 + 2 H2O
Cs2O = Cs + O2 =>
2 Cs2O = 4 Cs + O2
Al(s) + Fe2Cl3(aq) = FeAl3(s) + Cl =>
6 Al(s) + Fe2Cl3(aq) = 2 FeAl3(s) + 3 Cl
HBr + Ag = AgBr + H =>
HBr + Ag = AgBr + H
K3PO4 + HCl = KCl + H3PO4 =>
K3PO4 + 3 HCl = 3 KCl + H3PO4
Cr2(SO4)3 + NaBiO3 + H2SO4 = H2Cr2O7 + Na2SO4 + Bi2(SO4)3 + H2O =>
2 Cr2(SO4)3 + 6 NaBiO3 + 6 H2SO4 = 2 H2Cr2O7 + 3 Na2SO4 + 3 Bi2(SO4)3 + 4 H2O
Cl2(l) + HI(l) = HCl(l) + I2(l) =>
Cl2(l) + 2 HI(l) = 2 HCl(l) + I2(l)
C3H6O2 + K2CO3 = C3H5O2K + H2O + CO2 =>
2 C3H6O2 + K2CO3 = 2 C3H5O2K + H2O + CO2
SO2 + H2S = S + water =>
SO2 + 2 H2S = 3 S + 2 H2O
MgCO3 + Br2 = MgBr2 + CO3 =>
MgCO3 + Br2 = MgBr2 + CO3
NH3(g) + O2(s) = NO(g) + H2O(g) =>
4 NH3(g) + 5 O2(s) = 4 NO(g) + 6 H2O(g)
NCl6 + H4C = CCl4 + H12 + N6 =>
6 NCl6 + 9 H4C = 9 CCl4 + 3 H12 + N6
Na2S + Ca(NO3)2 = Na2NO3 + Ca(S)2 =>
2 Na2S + Ca(NO3)2 = 2 Na2NO3 + Ca(S)2
NaHSO4 + Mg = Na2SO4 + MgSO4 + H2S + H2O =>
10 NaHSO4 + 4 Mg = 5 Na2SO4 + 4 MgSO4 + H2S + 4 H2O
C6H12O6 + HNO3 = CO2 + NO2 + H2O =>
C6H12O6 + 24 HNO3 = 6 CO2 + 24 NO2 + 18 H2O
CuSO4 + Ag = Ag2SO4 + Cu =>
CuSO4 + 2 Ag = Ag2SO4 + Cu
FeCl2 + HCl = FeCl3 + H2 =>
2 FeCl2 + 2 HCl = 2 FeCl3 + H2
Zn(NO3)2 = O2 + ZnO + NO2 =>
2 Zn(NO3)2 = O2 + 2 ZnO + 4 NO2
IF5 + H2O = HF + HIO3 =>
IF5 + 3 H2O = 5 HF + HIO3
Sr + HNO3 = N2O + Sr(NO3)2 + H2O =>
4 Sr + 10 HNO3 = N2O + 4 Sr(NO3)2 + 5 H2O
FeCl3 + NaOH = (Fe(OH)3) + (NaCl) =>
FeCl3 + 3 NaOH = (Fe(OH)3) + 3(NaCl)
C5H12O(l) + O2(g) = CO2(l) + H2O(l) =>
2 C5H12O(l) + 15 O2(g) = 10 CO2(l) + 12 H2O(l)
Li2CO3(aq) + Pb(NO3)2(aq) = PbCO3(s) + LiNO3(aq) =>
Li2CO3(aq) + Pb(NO3)2(aq) = PbCO3(s) + 2 LiNO3(aq)
Ag(NH3)2Cl + Zn = Zn(NH3)2Cl + Ag =>
Ag(NH3)2Cl + Zn = Zn(NH3)2Cl + Ag
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
NiSO4 + NaOH + Br2 = NiOOH + Na2SO4 + NaBr + H2O =>
2 NiSO4 + 6 NaOH + Br2 = 2 NiOOH + 2 Na2SO4 + 2 NaBr + 2 H2O
KClO4(s) + S(s) + Al(s) = Al2O3(s) + K2S(s) + Cl2(s) =>
6 KClO4(s) + 3 S(s) + 16 Al(s) = 8 Al2O3(s) + 3 K2S(s) + 3 Cl2(s)
K3PO4 + Sr(ClO4)2 = K(ClO4) + Sr3(PO4)2 =>
2 K3PO4 + 3 Sr(ClO4)2 = 6 K(ClO4) + Sr3(PO4)2
K(s) + Br2(g) = KBr =>
2 K(s) + Br2(g) = 2 KBr
C4H8O2 + [Ag(NH3)2]OH = CH3COOH + Ag + NH3 + H2O =>
C4H8O2 + 4[Ag(NH3)2]OH = 2 CH3COOH + 4 Ag + 8 NH3 + 2 H2O
K2SiO3 + HCl = K + HSiO3 + Cl =>
K2SiO3 + HCl = 2 K + HSiO3 + Cl
Fe(ClO4)2 + Na2Co3 = FeCo3 + NaClO4 =>
Fe(ClO4)2 + Na2Co3 = FeCo3 + 2 NaClO4
NaIO3 + SO2 = Na2SO4 + SO3 + I2 =>
2 NaIO3 + 5 SO2 = Na2SO4 + 4 SO3 + I2
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
NaOCN + C = NaCN + CO =>
NaOCN + C = NaCN + CO
H2S + S2O2 = S + H2O =>
2 H2S + S2O2 = 4 S + 2 H2O
CH3CH2OH + Cr2O72{-} + H{+} = CH3CO2H + Cr3{+} + H2O =>
427 CH3CH2OH + 12 Cr2O72{-} + 20 H{+} = 427 CH3CO2H + 8 Cr3{+} + 437 H2O
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