| Équations équilibrées la veille |
3 Fe0 + 4 H2O = Fe3O4 + 4 H2
S02 + H2O = H2S + SO2 =>
3 S02 + 4 H2O = 4 H2S + 2 SO2
CuSO4 + Na2HPO4 = Na2SO4 + Cu3(PO4)2 + NaH2PO4 =>
3 CuSO4 + 4 Na2HPO4 = 3 Na2SO4 + Cu3(PO4)2 + 2 NaH2PO4
BaO2 + Cr2(SO4)3 + NaOH = BaCrO4 + Na2SO4 + H2O + BaSO4 =>
3 BaO2 + Cr2(SO4)3 + 4 NaOH = 2 BaCrO4 + 2 Na2SO4 + 2 H2O + BaSO4
NaOH(conc) + Al2(SO4)3(conc) = Na2SO4 + Al(OH)3 =>
6 NaOH(conc) + Al2(SO4)3(conc) = 3 Na2SO4 + 2 Al(OH)3
S2(s) + H2(g) = H2S(g) =>
S2(s) + 2 H2(g) = 2 H2S(g)
Al(NO3)3 + C22H23N3O9 = Al(C22H22N3O9)3 + HNO3 =>
Al(NO3)3 + 3 C22H23N3O9 = Al(C22H22N3O9)3 + 3 HNO3
Ca(NO3)2 + KCl = KNO3 + CaCl2 =>
Ca(NO3)2 + 2 KCl = 2 KNO3 + CaCl2
C6H5CH2CH3 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + C6H5COOH + H2O =>
7 C6H5CH2CH3 + 9 K2Cr2O7 + 36 H2SO4 = 9 Cr2(SO4)3 + 9 K2SO4 + 8 C6H5COOH + 47 H2O
Be(HCO3)2 = Be(CO3) + CO2 + H2O =>
Be(HCO3)2 = Be(CO3) + CO2 + H2O
C3H8O + O2 = CO2 + H2O =>
2 C3H8O + 9 O2 = 6 CO2 + 8 H2O
H3PO2 + BiCl3 + H2O = H3PO4 + Bi + HCl =>
3 H3PO2 + 4 BiCl3 + 6 H2O = 3 H3PO4 + 4 Bi + 12 HCl
KMnO4 + NaSO3 + NaOH = H2O + Na2SO4 + Na2MnO4 + K2MnO4 =>
2 KMnO4 + 2 NaSO3 + 4 NaOH = 2 H2O + 2 Na2SO4 + Na2MnO4 + K2MnO4
Ba(C2H3O2)2 + NaPO4 = BaPO4 + Na(C2H3O2)2 =>
Ba(C2H3O2)2 + NaPO4 = BaPO4 + Na(C2H3O2)2
Fe2(SO4)3 + KOH = Fe(OH)3 + (K2SO4) =>
Fe2(SO4)3 + 6 KOH = 2 Fe(OH)3 + 3(K2SO4)
KClO3 + C5H10O5 = CO2 + H2O + KCl =>
10 KClO3 + 3 C5H10O5 = 15 CO2 + 15 H2O + 10 KCl
H{+} + S2O5{-2} + Cr2O7{2-} = Cr{3+} + SO4{-2} + H2O =>
10 H{+} + 3 S2O5{-2} + 2 Cr2O7{2-} = 4 Cr{3+} + 6 SO4{-2} + 5 H2O
(NH4)2SO4 + NaI = (NH4)2I + Na(SO4) =>
(NH4)2SO4 + NaI = (NH4)2I + Na(SO4)
Fe2O3 + FeCl3 = FeOCl =>
Fe2O3 + FeCl3 = 3 FeOCl
C2O4H2 = CO2 + H2 =>
C2O4H2 = 2 CO2 + H2
CHI3 + CuO = CuI + H2O + CO2 + I2 =>
4 CHI3 + 10 CuO = 10 CuI + 2 H2O + 4 CO2 + I2
[ClO]{-} + [I]{-} = [Cl]{-} + [IO]{-} =>
[ClO]{-} + [I]{-} = [Cl]{-} + [IO]{-}
Fe2O3 + FeCl3 = FeOCl =>
Fe2O3 + FeCl3 = 3 FeOCl
Ag2O3 = Ag2 + O3 =>
Ag2O3 = Ag2 + O3
C3H5O9N3(l) = CO2(g) + H2O(l) + N2(g) + O2(g) =>
4 C3H5O9N3(l) = 12 CO2(g) + 10 H2O(l) + 6 N2(g) + O2(g)
ZnCO3(s) + H2SO4(aq) = ZnSO4(aq) + H2O(l) + CO2(g) =>
ZnCO3(s) + H2SO4(aq) = ZnSO4(aq) + H2O(l) + CO2(g)
HCOOH + Be(OH)2 = (HCOO)2Be + H2O =>
2 HCOOH + Be(OH)2 = (HCOO)2Be + 2 H2O
C + PO4 = C3PO4 =>
3 C + PO4 = C3PO4
FeCl3 + NaI = FeCl2 + I2 + NaCl =>
2 FeCl3 + 2 NaI = 2 FeCl2 + I2 + 2 NaCl
CaO(aq) + H2O(l) = Ca(OH)2(aq) =>
CaO(aq) + H2O(l) = Ca(OH)2(aq)
AgNO3 + CaSO4 = Ag2SO4 + Ca(NO3)2 =>
2 AgNO3 + CaSO4 = Ag2SO4 + Ca(NO3)2
Ca + H2 = CaH2 =>
Ca + H2 = CaH2
CuSO4 + I = CuI + SO4 =>
CuSO4 + I = CuI + SO4
SiO2 + HF = HFSiF4 + H2O =>
SiO2 + 5 HF = HFSiF4 + 2 H2O
Cr + MnO2 = Cr2O3 + Mn =>
4 Cr + 3 MnO2 = 2 Cr2O3 + 3 Mn
MnO + Cl2O7 = Mn(ClO4)2 =>
MnO + Cl2O7 = Mn(ClO4)2
Al4C3 + H2O = CH4 + Al(OH)3 =>
Al4C3 + 12 H2O = 3 CH4 + 4 Al(OH)3
C5H12 + CuO = CO2 + H2O + Cu =>
C5H12 + 16 CuO = 5 CO2 + 6 H2O + 16 Cu
CH3CH2CH2CH2Br + NaI = CH3CH2CH2CH2I + NaBr =>
CH3CH2CH2CH2Br + NaI = CH3CH2CH2CH2I + NaBr
SnO + N2O3 = Sn(NO2)2 =>
SnO + N2O3 = Sn(NO2)2
Na2C2O4 + Al2(SO4)3 = Na2(SO4)3 + Al2(C2O4) =>
Na2C2O4 + Al2(SO4)3 = Na2(SO4)3 + Al2(C2O4)
MgCl2 + NaOH = MgOH + NaCl2 =>
MgCl2 + NaOH = MgOH + NaCl2
(NO)2[Ti(NO3)6] + K2CO3 = KNO2 + KNO3 + CO2 + TiO2 =>
(NO)2[Ti(NO3)6] + 4 K2CO3 = 2 KNO2 + 6 KNO3 + 4 CO2 + TiO2
C2H4(COOH)3OH + NH4 = C2H4(CNH)3OH + H2O =>
C2H4(COOH)3OH + 3 NH4 = C2H4(CNH)3OH + 6 H2O
AlCl3 + K2CO3 + H2O = Al(OH)3 + H2CO3 + KCl =>
2 AlCl3 + 3 K2CO3 + 6 H2O = 2 Al(OH)3 + 3 H2CO3 + 6 KCl
Na[Cr(OH)4] + H2O2 = Na2Cr2O7 + H2O =>
2 Na[Cr(OH)4] + 3 H2O2 = Na2Cr2O7 + 7 H2O
Fe2(SO4)3 + KOH = Fe(OH)3 + (K2SO4) =>
Fe2(SO4)3 + 6 KOH = 2 Fe(OH)3 + 3(K2SO4)
(Cr(OH)4){-} + H2O2 + OH{-} = CrO4{2-} + H2O =>
2(Cr(OH)4){-} + 3 H2O2 + 2 OH{-} = 2 CrO4{2-} + 8 H2O
SrCl2 + LiOH = SrLi + Cl2OH =>
SrCl2 + LiOH = SrLi + Cl2OH
MgCI2 = Mg + CI2 =>
MgCI2 = Mg + CI2
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