| Équations équilibrées la veille |
Cu(NO3)2 + 2 CH3COONa = 2 NaNO3 + (CH3COO)2Cu
As2O3(s) + Cl2(g) + H2O(l) = H3AsO4(aq) + HCl(aq) =>
As2O3(s) + 2 Cl2(g) + 5 H2O(l) = 2 H3AsO4(aq) + 4 HCl(aq)
C3H6(OH)2 + NaOH = C3H6(ONa)2 + H2O =>
C3H6(OH)2 + 2 NaOH = C3H6(ONa)2 + 2 H2O
KClO3 + C2O4H2 = ClO2 + CO2 + K2C2O4 + H2O =>
2 KClO3 + 2 C2O4H2 = 2 ClO2 + 2 CO2 + K2C2O4 + 2 H2O
C7H10O3 + O2 = CO + H2O =>
2 C7H10O3 + 9 O2 = 14 CO + 10 H2O
Cr2O5 + HCl = CrOCl3 + H2O =>
Cr2O5 + 6 HCl = 2 CrOCl3 + 3 H2O
HC2O4{-} + HS{-} = S{2-} + H2C2O4 =>
HC2O4{-} + HS{-} = S{2-} + H2C2O4
K(s) + Mn(s) + O2(g) = KMnO4(s) =>
K(s) + Mn(s) + 2 O2(g) = KMnO4(s)
Fe(s)S(s) = FeS(s) =>
Fe(s)S(s) = FeS(s)
C2H4N2O6 + O2 = CO2 + H2O + NO2 =>
C2H4N2O6 + 2 O2 = 2 CO2 + 2 H2O + 2 NO2
MoS4 + K2MnO4 + H2SO4 = H2MoO4 + K2SO4 + MnSO4 + H2O =>
2 MoS4 + 15 K2MnO4 + 22 H2SO4 = 2 H2MoO4 + 15 K2SO4 + 15 MnSO4 + 20 H2O
AsH3 + H2O = H3AsO4 + H{+} + e =>
AsH3 + 4 H2O = H3AsO4 + 8 H{+} + 8e
MgO + HNO3 = Mg(NO3)2 + H2O =>
MgO + 2 HNO3 = Mg(NO3)2 + H2O
AlBr3 + H3PO4 = AlPO4 + HBr =>
AlBr3 + H3PO4 = AlPO4 + 3 HBr
HCHO + Br2 + H2O = HCOOH + HBr =>
HCHO + Br2 + H2O = HCOOH + 2 HBr
Fe(CH3COO)2 = Fe + CH3COO =>
Fe(CH3COO)2 = Fe + 2 CH3COO
Mg2Si + HNO3 = Mg(NO3)2 + H4Si =>
Mg2Si + 4 HNO3 = 2 Mg(NO3)2 + H4Si
Zn(HCO3)2(s) = ZnCO3 + H2O + CO2 =>
Zn(HCO3)2(s) = ZnCO3 + H2O + CO2
Fe(S)2 + O2 = Fe2O3 + SO2 =>
4 Fe(S)2 + 11 O2 = 2 Fe2O3 + 8 SO2
CO(NH2)2 = HNCO + NH3 =>
CO(NH2)2 = HNCO + NH3
Al(s) + HBr(aq) = AlBr3(aq) + H2(g) =>
2 Al(s) + 6 HBr(aq) = 2 AlBr3(aq) + 3 H2(g)
NaCO3 + CH3COOH = CH3COONa2 + H2O + CO2 =>
16 NaCO3 + 11 CH3COOH = 8 CH3COONa2 + 10 H2O + 22 CO2
CaHPO4 + H3PO4 = Ca(H2PO4)2 =>
CaHPO4 + H3PO4 = Ca(H2PO4)2
CrO{2-} + S2O8{2-} + OH{-} = CrO4{2-} + SO4{2-} + H2O =>
CrO{2-} + 3 S2O8{2-} + 6 OH{-} = CrO4{2-} + 6 SO4{2-} + 3 H2O
CuSO4 + C2H8N2 = [Cu(C2H8N2)2] + SO4 =>
CuSO4 + 2 C2H8N2 = [Cu(C2H8N2)2] + SO4
KI + HNO2 + H2SO4 = NO + I2 + H2O + K2SO4 =>
2 KI + 2 HNO2 + H2SO4 = 2 NO + I2 + 2 H2O + K2SO4
C7H8 + Fe(OH)3 = FeCO3 + Fe3O4 + H2O =>
C7H8 + 94 Fe(OH)3 = 7 FeCO3 + 29 Fe3O4 + 145 H2O
CH3CH10CH3 + O2 = CO2 + H2O =>
CH3CH10CH3 + 7 O2 = 3 CO2 + 8 H2O
Pb + HCl = PbCl2 + H =>
Pb + 2 HCl = PbCl2 + 2 H
(C6H10O5)200 + H2O = C6H12O6 =>
(C6H10O5)200 + 200 H2O = 200 C6H12O6
Al(MnO4)3 + K = KMnO4 + Al =>
Al(MnO4)3 + 3 K = 3 KMnO4 + Al
NOH + H3PO4 = N3PO4 + H2O =>
3 NOH + H3PO4 = N3PO4 + 3 H2O
Ca(NO3)2 + (NH4)2C2O4 = CaC2O4 + NH4(NO3) =>
Ca(NO3)2 + (NH4)2C2O4 = CaC2O4 + 2 NH4(NO3)
Ga2O3 + H2O = Ga(OH)3 =>
Ga2O3 + 3 H2O = 2 Ga(OH)3
ZnCl2 + K4(Fe(CN)6) = K2Zn3(Fe(CN)6)2 + KCl =>
3 ZnCl2 + 2 K4(Fe(CN)6) = K2Zn3(Fe(CN)6)2 + 6 KCl
As2O3 + KBrO3 + H2SO4 = As2O5 + HBr + K2SO4 =>
3 As2O3 + 2 KBrO3 + H2SO4 = 3 As2O5 + 2 HBr + K2SO4
Ga2O3 + H2O = Ga(OH)3 =>
Ga2O3 + 3 H2O = 2 Ga(OH)3
FeO + H2O = Fe + (OH)2 =>
FeO + H2O = Fe + (OH)2
PhNO2 + H2 = PhNH2 + H2O =>
PhNO2 + 3 H2 = PhNH2 + 2 H2O
KMnO4 + FeS04 + H2SO4 = Fe2(SO4)3 + H2O + K2SO4 + MnSO4 =>
54 KMnO4 + 10 FeS04 + 56 H2SO4 = 5 Fe2(SO4)3 + 56 H2O + 27 K2SO4 + 54 MnSO4
Cu2CO3OH2 = CuO + CO + H2O =>
Cu2CO3OH2 = 2 CuO + CO + H2O
C7H8O + Br2 = C7H5Br3O + HBr =>
C7H8O + 3 Br2 = C7H5Br3O + 3 HBr
KCl + K2Cr2O7 + H2SO4 = Cl2 + K(HSO4) + Cr2(SO4)3 + H2O =>
6 KCl + K2Cr2O7 + 11 H2SO4 = 3 Cl2 + 8 K(HSO4) + Cr2(SO4)3 + 7 H2O
C6H9N3O3 + H2O2 = CO2 + H2O + HNO3 =>
C6H9N3O3 + 21 H2O2 = 6 CO2 + 24 H2O + 3 HNO3
H2S + BaO2 = H2O2 + BaS =>
H2S + BaO2 = H2O2 + BaS
Al(MnO4)3 + K = KMnO4 + Al =>
Al(MnO4)3 + 3 K = 3 KMnO4 + Al
Fe2 + NH4OH = Fe(OH)2 + NH4 =>
Fe2 + 4 NH4OH = 2 Fe(OH)2 + 4 NH4
CaCl2 + NaOH = Ca(OH)2 + NaCl =>
CaCl2 + 2 NaOH = Ca(OH)2 + 2 NaCl
Cr(s) + Sn2{+} = Cr3{+} + Sn(s) =>
3 Cr(s) + Sn2{+} = Cr3{+} + 2 Sn(s)
KClO3 + CaI2 = KI + Ca(ClO3)2 =>
2 KClO3 + CaI2 = 2 KI + Ca(ClO3)2
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Équations équilibrées sur10/29/24
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