| Équations équilibrées la veille |
Fe + S + H2O = FeO + H2S
Cu + HgBr2 = CuBr2 + Hg =>
Cu + HgBr2 = CuBr2 + Hg
SiO2 + NH4OH = SiO2OH + NH4 =>
SiO2 + NH4OH = SiO2OH + NH4
FeSO4 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + H2O =>
6 FeSO4 + K2Cr2O7 + 7 H2SO4 = 3 Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + 7 H2O
NI + H2O = NI(OH)2 + H2 =>
NI + 2 H2O = NI(OH)2 + H2
CrCO3 + HClO4 = Cr(ClO4)2 + CO2 + H2O =>
CrCO3 + 2 HClO4 = Cr(ClO4)2 + CO2 + H2O
KBrO4 + KI + HCl = KBr + KCl + I2 + H2O =>
KBrO4 + 8 KI + 8 HCl = KBr + 8 KCl + 4 I2 + 4 H2O
Hg(NO3)2 + Na2S = HgS + NaNO3 =>
Hg(NO3)2 + Na2S = HgS + 2 NaNO3
N2O3 + Na2O = Na3O + NO2 =>
N2O3 + 3 Na2O = 2 Na3O + 2 NO2
H2SO4(aq) + Al(NO3)3(aq) = HNO3 + Al2(SO4)3 =>
3 H2SO4(aq) + 2 Al(NO3)3(aq) = 6 HNO3 + Al2(SO4)3
Cu + NH3 + O2 + H2O = [Cu(NH3)4](OH)2 =>
2 Cu + 8 NH3 + O2 + 2 H2O = 2[Cu(NH3)4](OH)2
NaCl(aq) + H2SO4(aq) = Na2SO4 + HCl(g) =>
2 NaCl(aq) + H2SO4(aq) = Na2SO4 + 2 HCl(g)
AgNo3 + HI = AgI + No3H =>
AgNo3 + HI = AgI + No3H
CH2CHCH2CH3 = CH3CHCHCH3 =>
CH2CHCH2CH3 = CH3CHCHCH3
Ca(CO3) + CH3COOH = Ca(CH3COO)2 + CO2 + H2O =>
Ca(CO3) + 2 CH3COOH = Ca(CH3COO)2 + CO2 + H2O
HCl + Al(OH)3 = AlCl3 + H2O =>
3 HCl + Al(OH)3 = AlCl3 + 3 H2O
Cu + O2 + NH3 + H2O = (Cu(NH3)4)(OH)2 =>
2 Cu + O2 + 8 NH3 + 2 H2O = 2(Cu(NH3)4)(OH)2
Cu + NH3 + O2 + H2O = [Cu(NH3)2](OH) =>
4 Cu + 8 NH3 + O2 + 2 H2O = 4[Cu(NH3)2](OH)
NaC2H3O2(aq) + H2CO3(aq) = Na2CO3(aq) + HC2H3O2(aq) =>
2 NaC2H3O2(aq) + H2CO3(aq) = Na2CO3(aq) + 2 HC2H3O2(aq)
Mg + K2S = K + MgS =>
Mg + K2S = 2 K + MgS
Cu + O2 + NH3 + H2O = [Cu(NH3)2]OH =>
4 Cu + O2 + 8 NH3 + 2 H2O = 4[Cu(NH3)2]OH
Mg + ZnCl2 = MgCl2 + Zn =>
Mg + ZnCl2 = MgCl2 + Zn
Cu + Na(NO3) + H2SO4 = CuSO4 + Na2SO4 + NO + H2O =>
3 Cu + 2 Na(NO3) + 4 H2SO4 = 3 CuSO4 + Na2SO4 + 2 NO + 4 H2O
Cu + Nh3 + O2 + H2O = Cu(Nh3)4(OH)2 =>
2 Cu + 8 Nh3 + O2 + 2 H2O = 2 Cu(Nh3)4(OH)2
CO(g) + O2(g) = CO2(g) =>
2 CO(g) + O2(g) = 2 CO2(g)
HNO3(conc) = NO2(g) + O2(g) + H2O(l) =>
4 HNO3(conc) = 4 NO2(g) + O2(g) + 2 H2O(l)
[Cu(NH3)4](OH)2 + H2SO4 = Cu(OH)2 + (NH4)2SO4 =>
[Cu(NH3)4](OH)2 + 2 H2SO4 = Cu(OH)2 + 2(NH4)2SO4
Ga + NaOH = NaGaOH =>
Ga + NaOH = NaGaOH
C2H6 + I2 = C2H5I + HI =>
C2H6 + I2 = C2H5I + HI
MgS + HCl = H2S + MgCl2 =>
MgS + 2 HCl = H2S + MgCl2
Cu + NH3 + O2 + H2O = [Cu(NH3)4]{2+} + OH{-} =>
2 Cu + 8 NH3 + O2 + 2 H2O = 2[Cu(NH3)4]{2+} + 4 OH{-}
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
HCl + KOH = KCl + HOH =>
HCl + KOH = KCl + HOH
As2S3 + HNO3 + H2O = H3AsO4 + H2SO4 + NO =>
3 As2S3 + 28 HNO3 + 4 H2O = 6 H3AsO4 + 9 H2SO4 + 28 NO
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
H3AsO4 + NH4OH = H2O + (NH4)3AsO4 =>
H3AsO4 + 3 NH4OH = 3 H2O + (NH4)3AsO4
Ca(C2H3O2)2 + K2SO4 = CaSO4 + K2(C2H3O2)2 =>
Ca(C2H3O2)2 + K2SO4 = CaSO4 + K2(C2H3O2)2
SbCl3 + AgNO3 = AgCl + Sb(NO3)3 =>
SbCl3 + 3 AgNO3 = 3 AgCl + Sb(NO3)3
Ca(oh)2 + CuCl2 = CaCl2 + Cu(oh)2 =>
Ca(oh)2 + 2 CuCl2 = 2 CaCl2 + Cu(oh)2
HC7H5O2 + H2O = H3O + C7H5O2 =>
HC7H5O2 + H2O = H3O + C7H5O2
B + S8 = B2S3 =>
16 B + 3 S8 = 8 B2S3
CaCl2(aq) + KF(aq) = CaF2(s) + KCl(aq) =>
CaCl2(aq) + 2 KF(aq) = CaF2(s) + 2 KCl(aq)
CH3CH2OH + H2O = CH3CHO + H3O =>
CH3CH2OH + 2 H2O = CH3CHO + 2 H3O
Nd2(CO3)3 + HCl = NdCl3 + CO2 + H2O =>
Nd2(CO3)3 + 6 HCl = 2 NdCl3 + 3 CO2 + 3 H2O
H{+} + FeHPO3 + Cr2O7{-2} = Cr{+3} + H3PO4 + Fe{+3} + H2O =>
14 H{+} + 2 FeHPO3 + Cr2O7{-2} = 2 Cr{+3} + 2 H3PO4 + 2 Fe{+3} + 5 H2O
P + O2 = PO2 =>
P + O2 = PO2
HPO + NaOH = NaPO + HOH =>
HPO + NaOH = NaPO + HOH
Fe + Br2 = Fe(Br3) =>
2 Fe + 3 Br2 = 2 Fe(Br3)
C2O4{2-} + Cr2O7{2-} + H{+} = CO2 + Cr{3+} + H2O =>
3 C2O4{2-} + Cr2O7{2-} + 14 H{+} = 6 CO2 + 2 Cr{3+} + 7 H2O
As + OH{-} = AsO3{-3} + H2 =>
2 As + 6 OH{-} = 2 AsO3{-3} + 3 H2
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Équations équilibrées sur10/28/24
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