| Équations équilibrées la veille |
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
(COO)2 + Ba = Ba(COO)2 =>
(COO)2 + Ba = Ba(COO)2
CH3OH + K2Cr2O7 + H2SO4 = CH2OH + Cr2(SO4)3 + H2O + K2SO4 =>
6 CH3OH + K2Cr2O7 + 4 H2SO4 = 6 CH2OH + Cr2(SO4)3 + 7 H2O + K2SO4
AlBr3 + HC2H3O2 = AlH3O2 + HC2Br3 =>
AlBr3 + HC2H3O2 = AlH3O2 + HC2Br3
H3PO4(aq) + KOH(aq) = H2O(l) + K3PO4(aq) =>
H3PO4(aq) + 3 KOH(aq) = 3 H2O(l) + K3PO4(aq)
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
HCl + MgCo3 = Cl2Co3 + H2Mg =>
2 HCl + MgCo3 = Cl2Co3 + H2Mg
SCN{-} + I2 + OH{-} = SO4{2+} + I{-} + CN{-} + H2O =>
SCN{-} + 5 I2 + 8 OH{-} = SO4{2+} + 10 I{-} + CN{-} + 4 H2O
CH3(CH2)16COOH + NaOH = C18H35O2Na + H2O =>
CH3(CH2)16COOH + NaOH = C18H35O2Na + H2O
Cl2(g) + KBr(aq) = KCl(ag) + Br2(l) =>
Cl2(g) + 2 KBr(aq) = 2 KCl(ag) + Br2(l)
NaOH + Cl2 + CO = NaCl + CO2 + H2O =>
2 NaOH + Cl2 + CO = 2 NaCl + CO2 + H2O
HCl + Cu = CuCl2 + H2 =>
2 HCl + Cu = CuCl2 + H2
ZnCl2 + NH3 = Zn(NH3)2 + Cl =>
ZnCl2 + 2 NH3 = Zn(NH3)2 + 2 Cl
(NH4)3PO4 + SrBr2 = NH4Br + Sr3(PO4)2 =>
2(NH4)3PO4 + 3 SrBr2 = 6 NH4Br + Sr3(PO4)2
FeCr2O7 + K2CO3 + O2 = K2CrO4 + Fe2O3 + CO2 =>
4 FeCr2O7 + 8 K2CO3 + O2 = 8 K2CrO4 + 2 Fe2O3 + 8 CO2
CoCO3 + NH3 + NH4Cl + O2 = (CoCl(NH3)5)Cl2 + CO2 + H2O =>
4 CoCO3 + 8 NH3 + 12 NH4Cl + O2 = 4(CoCl(NH3)5)Cl2 + 4 CO2 + 6 H2O
C7H7Cl + Na = C14H14 + NaCl =>
2 C7H7Cl + 2 Na = C14H14 + 2 NaCl
(NH4)2SO4 + PbCl2 = PbSO4 + NH4Cl =>
(NH4)2SO4 + PbCl2 = PbSO4 + 2 NH4Cl
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
CaCO3 + NH3 = CO(NH2)2 + Ca(OH)2 =>
CaCO3 + 2 NH3 = CO(NH2)2 + Ca(OH)2
Ca1 = Ca =>
Ca1 = Ca
C2H5OH + CH3COOH = C2H5(CO)OHCH3 + H2O =>
5 C2H5OH + 3 CH3COOH = 4 C2H5(CO)OHCH3 + 3 H2O
Al(OH)3 + NH3 + H2SO4 = AlNH4(SO4)2 + H2O =>
Al(OH)3 + NH3 + 2 H2SO4 = AlNH4(SO4)2 + 3 H2O
Ba(NO)3 + K2CO3 = Ba(CO)3 + K2NO3 =>
Ba(NO)3 + 3 K2CO3 = Ba(CO)3 + 3 K2NO3
NH4NO3 = (NH4)NO3 =>
NH4NO3 = (NH4)NO3
ClF3 + Ca(OH)2 = CaCl2 + CaF2 + OF2 + H2O =>
2 ClF3 + 2 Ca(OH)2 = CaCl2 + CaF2 + 2 OF2 + 2 H2O
NaCl + AgCl = Cl2 + AgNa =>
NaCl + AgCl = Cl2 + AgNa
H{+} + H2O + As2S3 + NO3{-} = H3AsO4 + S + NO =>
10 H{+} + 4 H2O + 3 As2S3 + 10 NO3{-} = 6 H3AsO4 + 9 S + 10 NO
KMnO4 + P2O3 + KOH = MnO2 + K3PO4 + H2O =>
4 KMnO4 + 3 P2O3 + 14 KOH = 4 MnO2 + 6 K3PO4 + 7 H2O
NaNO3 + AgCH3COO = AgNO3 + NaCH3COO =>
NaNO3 + AgCH3COO = AgNO3 + NaCH3COO
Cr2(SO4)3 + KOH + KNO3 = KNO2 + K2SO4 + K2CrO4 + H2O =>
Cr2(SO4)3 + 10 KOH + 3 KNO3 = 3 KNO2 + 3 K2SO4 + 2 K2CrO4 + 5 H2O
Mg2O2*Al2O3*5SiO2 + BrF3 + KCl = MgF2 + K3AlF6 + SiF4 + O2 + Br2 + Cl2 =>
2 Mg2O2*Al2O3*5SiO2 + 24 BrF3 + 12 KCl = 4 MgF2 + 4 K3AlF6 + 10 SiF4 + 15 O2 + 12 Br2 + 6 Cl2
NO(g) + O2(g) + H2O(l) = HNO2(l) =>
4 NO(g) + O2(g) + 2 H2O(l) = 4 HNO2(l)
Al2O3 + NaOH + H2O = Na[Al(OH)4] =>
Al2O3 + 2 NaOH + 3 H2O = 2 Na[Al(OH)4]
CH3COONa + MgCl2 = NaCl + (CH3COO)2Mg =>
2 CH3COONa + MgCl2 = 2 NaCl + (CH3COO)2Mg
NH4HCO3 + NaOH = H2O + NH3 + Na2CO3 =>
NH4HCO3 + 2 NaOH = 2 H2O + NH3 + Na2CO3
Zn + ()HCl = ZnCl2 + H2 =>
Zn + 2()HCl = ZnCl2 + H2
C9H10O2 + NaOH = C8H8O3 + CH3Na =>
C9H10O2 + NaOH = C8H8O3 + CH3Na
CuS + Na2CO3 = Cu2S + Na2S2O6 + Na2S + CO2 =>
14 CuS + 6 Na2CO3 = 7 Cu2S + Na2S2O6 + 5 Na2S + 6 CO2
HNo3 + Na2O = NaNo3 + H2O =>
2 HNo3 + Na2O = 2 NaNo3 + H2O
C4H5O4{-} + H2O = HCO3{-} + H{+} + e =>
C4H5O4{-} + 8 H2O = 4 HCO3{-} + 17 H{+} + 14e
C6H6CONH2 + O2 = CO2 + H2O + NO2 =>
2 C6H6CONH2 + 19 O2 = 14 CO2 + 8 H2O + 2 NO2
H2O + MnO = Mn + HO =>
H2O + MnO = Mn + 2 HO
NaHSO4 + MgSO4 = Mg(HSO4)2 + Na2SO4 =>
2 NaHSO4 + MgSO4 = Mg(HSO4)2 + Na2SO4
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
CuSO4 + H = Cu + HSO4 =>
CuSO4 + H = Cu + HSO4
K2Cr2O7 + H2SO4 = K2SO4 + Cr(SO4) + H2O + O2 =>
K2Cr2O7 + 3 H2SO4 = K2SO4 + 2 Cr(SO4) + 3 H2O + 2 O2
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Équations équilibrées sur01/09/25
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