| Équations équilibrées la veille |
2 NaOH + 2 Cr(OH)3 = Na2CrO4 + Cr + 4 H2O
C2H4O2 + KOH = KCH3COO + H2O =>
C2H4O2 + KOH = KCH3COO + H2O
HfCl3 + Al = HfCl2 + AlCl3 =>
3 HfCl3 + Al = 3 HfCl2 + AlCl3
C + N2 + H2 + O2 = NH4HCO3 =>
2 C + N2 + 5 H2 + 3 O2 = 2 NH4HCO3
Ca(OH)2 + HBrO3 = Ca(BrO3)2 + H2O =>
Ca(OH)2 + 2 HBrO3 = Ca(BrO3)2 + 2 H2O
BaO2 + H2SO4 + K2Cr2O7 = BaSO4 + K2SO4 + CrO5 + H2O =>
4 BaO2 + 5 H2SO4 + K2Cr2O7 = 4 BaSO4 + K2SO4 + 2 CrO5 + 5 H2O
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Ag + NH3 = Ag(NH3) =>
Ag + NH3 = Ag(NH3)
CuCl2 + Na3PO4 = Cu3(PO4)2 + NaCl =>
3 CuCl2 + 2 Na3PO4 = Cu3(PO4)2 + 6 NaCl
C5H11Cl + KOH = C5H10 + H2O + K + Cl =>
C5H11Cl + KOH = C5H10 + H2O + K + Cl
P + KClO3 = KCl + P4O10 =>
12 P + 10 KClO3 = 10 KCl + 3 P4O10
Po + I2 = PoI2 =>
Po + I2 = PoI2
ClO4{-} + SO3{-2} = SO4{-2} + Cl{-} =>
ClO4{-} + 4 SO3{-2} = 4 SO4{-2} + Cl{-}
HClHS = H2SCl =>
HClHS = H2SCl
NaS2 + KMnO4 + H2O = S + MnO2 + NaOH + KOH =>
3 NaS2 + KMnO4 + 2 H2O = 6 S + MnO2 + 3 NaOH + KOH
FeSO4 + K2SO4 + H2SO4 = Fe2(SO4)3 + KSO + H2O =>
10 FeSO4 + K2SO4 + 6 H2SO4 = 5 Fe2(SO4)3 + 2 KSO + 6 H2O
NaOH + HClO4 = H2O + NaClO4 =>
NaOH + HClO4 = H2O + NaClO4
As2O3 + HNO3 + H2O = H2AsO4 + NO =>
As2O3 + 2 HNO3 + H2O = 2 H2AsO4 + 2 NO
Mg(OH)2 + NH4{+} = Mg{2+} + NH4OH =>
Mg(OH)2 + 2 NH4{+} = Mg{2+} + 2 NH4OH
RbOH + HNO3 = RbNO3 + H2O(l) =>
RbOH + HNO3 = RbNO3 + H2O(l)
HI + ICl = I + HCl =>
HI + ICl = 2 I + HCl
Zn + (NH4)2SO4 = ZnSO4 + NH3 + H2 =>
Zn + (NH4)2SO4 = ZnSO4 + 2 NH3 + H2
K2CO3 + CoCl3 = K2Cl + Co(CO3)3 =>
3 K2CO3 + CoCl3 = 3 K2Cl + Co(CO3)3
Ag + Co(NO3)2 = Co + AgNO3 =>
2 Ag + Co(NO3)2 = Co + 2 AgNO3
P + Fe = FeP =>
P + Fe = FeP
K2SO3 + Ca(OH)2 = Ca(SO3) + K(OH) =>
K2SO3 + Ca(OH)2 = Ca(SO3) + 2 K(OH)
Hg(OH)2 + H3PO4 = Hg3(PO4)2 + H2O =>
3 Hg(OH)2 + 2 H3PO4 = Hg3(PO4)2 + 6 H2O
C3Cl6 = C4 + Cl =>
4 C3Cl6 = 3 C4 + 24 Cl
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
K + B2O3 = K2O + B =>
6 K + B2O3 = 3 K2O + 2 B
CH3COOH + MgCO3 = CO2 + Mg(CH3COOH)2 + H2O =>
9 CH3COOH + 4 MgCO3 = 6 CO2 + 4 Mg(CH3COOH)2 + 2 H2O
Na2SO4 = Na2O + SO3 =>
Na2SO4 = Na2O + SO3
C5H11Cl + KOH = C5H10 + H2O + K + Cl =>
C5H11Cl + KOH = C5H10 + H2O + K + Cl
CaSO2 + H2SO4 = CaSO4 + H2O + SO2 =>
CaSO2 + 2 H2SO4 = CaSO4 + 2 H2O + 2 SO2
Fe2S3 + AgNO3 = Ag2S + Fe(NO3)3 =>
Fe2S3 + 6 AgNO3 = 3 Ag2S + 2 Fe(NO3)3
NH4F = NH4F*HF + NH3 =>
2 NH4F = NH4F*HF + NH3
Li2CO3(s) + MoO3(s) = Li2MoO4 + CO2 =>
Li2CO3(s) + MoO3(s) = Li2MoO4 + CO2
Na + HNO2 = NaNO3 + NO + H2O =>
Na + 4 HNO2 = NaNO3 + 3 NO + 2 H2O
FeO4 + H2O = Fe + OH =>
FeO4 + 4 H2O = Fe + 8 OH
C6H5NO2 + N2O + OH{-} = CO3{2-} + H2O + N2 =>
2 C6H5NO2 + 25 N2O + 24 OH{-} = 12 CO3{2-} + 17 H2O + 26 N2
Br2 + CaCl2 = Cl2 + CaBr =>
Br2 + 2 CaCl2 = 2 Cl2 + 2 CaBr
SnO2 + H2 = SnH4 + O2 =>
SnO2 + 2 H2 = SnH4 + O2
Mg(HSO4)2 + H2O = Mg(OH)2 + H2SO4 =>
Mg(HSO4)2 + 2 H2O = Mg(OH)2 + 2 H2SO4
H2S + BrO3{-} + H{+} = S + Br2{-} + H2O =>
11 H2S + 4 BrO3{-} + 2 H{+} = 11 S + 2 Br2{-} + 12 H2O
[Cu(NH3)4](OH)2 + H2SO4 = CuSO4 + (NH4)2SO4 + H2O =>
[Cu(NH3)4](OH)2 + 3 H2SO4 = CuSO4 + 2(NH4)2SO4 + 2 H2O
MgSiO3 + H2SO4 = MgSO4 + H2SiO3 =>
MgSiO3 + H2SO4 = MgSO4 + H2SiO3
H2SO4 + BaPO4 = H2PO4 + BaSO4 =>
H2SO4 + BaPO4 = H2PO4 + BaSO4
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
H2C2O4 + KOH = K2C2O4 + H2O =>
H2C2O4 + 2 KOH = K2C2O4 + 2 H2O
Fe + HC2H3O2 = Fe(C2H3O2)3 + H2 =>
2 Fe + 6 HC2H3O2 = 2 Fe(C2H3O2)3 + 3 H2
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