| Équations équilibrées la veille |
AlBr3 + 3 KOH = Al(OH)3 + K3Br3
C2H4Br2 + H2O = C2H5OH + Br =>
C2H4Br2 + H2O = C2H5OH + 2 Br
FeS + H2Cl2 = FeCl2 + H2S =>
FeS + H2Cl2 = FeCl2 + H2S
MgCl2 + (NH4)NO3 = Mg(NO3)2 + (NH4)Cl =>
MgCl2 + 2(NH4)NO3 = Mg(NO3)2 + 2(NH4)Cl
Cr + NaOH + O2 = NaCrO2 + H2O =>
4 Cr + 4 NaOH + 3 O2 = 4 NaCrO2 + 2 H2O
C20H26 + OH + K = C20H6O20K4 + H2O =>
C20H26 + 60 OH + 4 K = C20H6O20K4 + 40 H2O
C74H8 + O2 = CO2 + H2O =>
C74H8 + 76 O2 = 74 CO2 + 4 H2O
NaNH2 + C = NaCN + H2 =>
NaNH2 + C = NaCN + H2
H2O(heat) = H + O =>
H2O(heat) = 2 H + O
HNO4 + KOH = KNO4 + H2O =>
HNO4 + KOH = KNO4 + H2O
Fe2{+} + C12H8N2 = (Fe(C12H8N2)3)2{+} =>
Fe2{+} + 6 C12H8N2 = (Fe(C12H8N2)3)2{+}
NH4Cl + Ca[OH]2 = CaCl2 + NH3 + H2O =>
2 NH4Cl + Ca[OH]2 = CaCl2 + 2 NH3 + 2 H2O
HCl + ZnSO4 = ZnCl2 + SO3 + H2O =>
2 HCl + ZnSO4 = ZnCl2 + SO3 + H2O
Ni2(SiO3)3 + Br2 = NiBr3 + SiO3 =>
Ni2(SiO3)3 + 3 Br2 = 2 NiBr3 + 3 SiO3
HNO4 + KOH = KNO4 + H2O =>
HNO4 + KOH = KNO4 + H2O
Be(OH)2 + SO3 = BeSO4 + H2O =>
Be(OH)2 + SO3 = BeSO4 + H2O
NH3 + FeCl3 = Fe(NH3)3 + Cl2 =>
6 NH3 + 2 FeCl3 = 2 Fe(NH3)3 + 3 Cl2
CO2 + SO3 = CO2(SO3)3 =>
CO2 + 3 SO3 = CO2(SO3)3
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
K2S2O7 + TiO2 = Ti(SO4)2 + K2SO4 =>
2 K2S2O7 + TiO2 = Ti(SO4)2 + 2 K2SO4
Al(OH)2Cl + HCl = AlCl3 + H2O =>
Al(OH)2Cl + 2 HCl = AlCl3 + 2 H2O
Ba(OH)2 + AgNO3 = Ag2O + Ba(NO3)2 + H2O =>
Ba(OH)2 + 2 AgNO3 = Ag2O + Ba(NO3)2 + H2O
K + At = KAt =>
K + At = KAt
Fe(NO3)3 + Na2CrO4 = Fe2(CrO4)3 + NaNO3 =>
2 Fe(NO3)3 + 3 Na2CrO4 = Fe2(CrO4)3 + 6 NaNO3
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
Na2S2O3 + H2O2 + KOH = Na2SO4 + K2SO4 + H2O =>
Na2S2O3 + 4 H2O2 + 2 KOH = Na2SO4 + K2SO4 + 5 H2O
C2H4 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + H2O + CH3COH =>
5 C2H4 + 2 KMnO4 + 3 H2SO4 = K2SO4 + 2 MnSO4 + 3 H2O + 5 CH3COH
Cr(OH)3 + MnO2 + KOH = K2CrO4 + Mn(OH)2 + H2O =>
2 Cr(OH)3 + 3 MnO2 + 4 KOH = 2 K2CrO4 + 3 Mn(OH)2 + 2 H2O
Tc4 + O2 = Tc2O7 =>
Tc4 + 7 O2 = 2 Tc2O7
AlCl3 + NaOH = Al(OH)3 + NaCl =>
AlCl3 + 3 NaOH = Al(OH)3 + 3 NaCl
Cr(OH)4{-} + H2O2 + OH{-} = CrO4{2-} + H2O =>
2 Cr(OH)4{-} + 3 H2O2 + 2 OH{-} = 2 CrO4{2-} + 8 H2O
Mn{2+} + Cl2 + H2O = MnO4{-} + Cl{-} + H{+} =>
2 Mn{2+} + 5 Cl2 + 8 H2O = 2 MnO4{-} + 10 Cl{-} + 16 H{+}
SnCO3 + HOH = Sn(OH)2 + H2CO3 =>
SnCO3 + 2 HOH = Sn(OH)2 + H2CO3
FeCl3 + KOH = Fe(OH)3 + KCl =>
FeCl3 + 3 KOH = Fe(OH)3 + 3 KCl
Mg(NO3)2 + NH4HCO3 = Mg(HCO3)2 + NH4NO3 =>
Mg(NO3)2 + 2 NH4HCO3 = Mg(HCO3)2 + 2 NH4NO3
MgCO3 + HNO2 = Mg(NO2)2 + H2CO3 =>
MgCO3 + 2 HNO2 = Mg(NO2)2 + H2CO3
CrCl3 + AgNO3 = AgCl + Cr(NO3)3 =>
CrCl3 + 3 AgNO3 = 3 AgCl + Cr(NO3)3
NaHCO3(aq) + HC2H3O2(aq) = CO2(g) + H2O(l) + NaC2H3O2(aq) =>
NaHCO3(aq) + HC2H3O2(aq) = CO2(g) + H2O(l) + NaC2H3O2(aq)
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
MgCO2 = CO + MgO =>
MgCO2 = CO + MgO
C33H68 + O2 = CO + H2O =>
2 C33H68 + 67 O2 = 66 CO + 68 H2O
C12H22O11 + O2 = H2 + CO =>
2 C12H22O11 + O2 = 22 H2 + 24 CO
K + Br = KBr =>
K + Br = KBr
NaOH + HCl + Cr(NO3)3 = Cr(OH)3 + NaCl + HNO3 =>
3 NaOH + 3 HCl + Cr(NO3)3 = Cr(OH)3 + 3 NaCl + 3 HNO3
Zn + HCl = ZnCl + H2 =>
2 Zn + 2 HCl = 2 ZnCl + H2
Na2S + HClO = S + NaCl + NaOH =>
Na2S + HClO = S + NaCl + NaOH
C6H5CHCHCHO + O2 = CO2 + H2O =>
2 C6H5CHCHCHO + 21 O2 = 18 CO2 + 8 H2O
C6H8O7(aq) + NaHCO3(s) = Na3C6H5O7 + CO2 + H2O =>
C6H8O7(aq) + 3 NaHCO3(s) = Na3C6H5O7 + 3 CO2 + 3 H2O
Ca + HClO = Ca(ClO)2 + Cl2 + H2O =>
Ca + 4 HClO = Ca(ClO)2 + Cl2 + 2 H2O
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Équations équilibrées sur10/21/24
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