| Équations équilibrées la veille |
3 Na4[Fe(CN)6] + 4 FeCl3 = Fe4[Fe(CN)6]3 + 12 NaCl
ScN = Sc + N2 =>
2 ScN = 2 Sc + N2
KMnO4 + NaNO2 + H2SO4 = H2O + K2SO4 + MnSO4 + NaNO3 =>
2 KMnO4 + 5 NaNO2 + 3 H2SO4 = 3 H2O + K2SO4 + 2 MnSO4 + 5 NaNO3
Cu2S + AlBr3 = CuBr + Al2S3 =>
3 Cu2S + 2 AlBr3 = 6 CuBr + Al2S3
(H)2 + (O)2 = (H)2O =>
2(H)2 + (O)2 = 2(H)2O
Si + Fe = Si3Fe4 =>
3 Si + 4 Fe = Si3Fe4
C3H7OH + MnO4{-} + H{+} = H2O + MnO + C =>
5 C3H7OH + 6 MnO4{-} + 6 H{+} = 23 H2O + 6 MnO + 15 C
FeH4 + O2 = FeO2 + H =>
FeH4 + O2 = FeO2 + 4 H
BaCO3 + CH3COOH = Ba{2+} + CH3COO{-} + H2O + CO2 =>
BaCO3 + 2 CH3COOH = Ba{2+} + 2 CH3COO{-} + H2O + CO2
NH2CH2COOH + KOH = NH2CH2COOK + H2O =>
NH2CH2COOH + KOH = NH2CH2COOK + H2O
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
PbCl2 + NaCl = NaPb + Cl =>
PbCl2 + NaCl = NaPb + 3 Cl
Pb(OH)2 + Ca(OH)2 = PbCaO2 + H2O =>
Pb(OH)2 + Ca(OH)2 = PbCaO2 + 2 H2O
CH3COOH + CaCO3 + NaCl = CaCl2 + CH3COONa + CO2 + H2O =>
2 CH3COOH + CaCO3 + 2 NaCl = CaCl2 + 2 CH3COONa + CO2 + H2O
Ba(NO3)2(aq) + Na2CrO4(aq) = BaCrO4(s) + NaNO3(aq) =>
Ba(NO3)2(aq) + Na2CrO4(aq) = BaCrO4(s) + 2 NaNO3(aq)
KOH + Ni = KNi + OH =>
KOH + Ni = KNi + OH
Ca(HCO3)2 + Na2CO3 = CaCO3 + NaHCO3 =>
Ca(HCO3)2 + Na2CO3 = CaCO3 + 2 NaHCO3
Al(NO3)3 + ZnS = Al2S3 + Zn(NO3)2 =>
2 Al(NO3)3 + 3 ZnS = Al2S3 + 3 Zn(NO3)2
CrO{3-} + Br2 + OH{-} = CrO4{2-} + Br{-} + H2O =>
2 CrO{3-} + 7 Br2 + 12 OH{-} = 2 CrO4{2-} + 14 Br{-} + 6 H2O
P + I2 + CH3CH2OH = CH3CH2I + H3PO3 =>
2 P + 3 I2 + 6 CH3CH2OH = 6 CH3CH2I + 2 H3PO3
Al2O3 + HNO3 = Al(NO3)3 + H2O =>
Al2O3 + 6 HNO3 = 2 Al(NO3)3 + 3 H2O
Ca(OH)2 + K2CO3 = CaCO3 + KOH =>
Ca(OH)2 + K2CO3 = CaCO3 + 2 KOH
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
Cu(OH)2 + NaOH = Na2[Cu(OH)4] =>
Cu(OH)2 + 2 NaOH = Na2[Cu(OH)4]
CO2 + K = CO2K =>
CO2 + K = CO2K
PbNO3 + I = Pb + INO3 =>
PbNO3 + I = Pb + INO3
As2H3 + HNO3 = H3AsO4 + NO + H2O =>
3 As2H3 + 13 HNO3 = 6 H3AsO4 + 13 NO + 2 H2O
NH4Br + Cl = NH4Cl + Br =>
NH4Br + Cl = NH4Cl + Br
Au + H2O = Au2O + H =>
2 Au + H2O = Au2O + 2 H
BeO + Cl2O7 = Be(ClO4)2 =>
BeO + Cl2O7 = Be(ClO4)2
BaO + HCl = BaClOH =>
BaO + HCl = BaClOH
PbCl2 + CH3COOH = Pb(CH3COO)2 + H2 + Cl2 =>
PbCl2 + 2 CH3COOH = Pb(CH3COO)2 + H2 + Cl2
Cu(s) + O = Cu2O3 =>
2 Cu(s) + 3 O = Cu2O3
H2SO4 + KI = K2SO4 + I + H2S + H2O =>
5 H2SO4 + 8 KI = 4 K2SO4 + 8 I + H2S + 4 H2O
Mg + CuSO4 = MgSO4 + Cu =>
Mg + CuSO4 = MgSO4 + Cu
Na2[Zn(OH)4] + SO2 = Zn(OH)2 + NaHSO3 =>
Na2[Zn(OH)4] + 2 SO2 = Zn(OH)2 + 2 NaHSO3
Mg(NO3)2 + Al2(SO4)3 = Al(NO3)3 + MgSO4 =>
3 Mg(NO3)2 + Al2(SO4)3 = 2 Al(NO3)3 + 3 MgSO4
Ca(NO3)2 + (NH4)2HPO4 + NH4OH = Ca3(PO4)2 + NH4NO3 + H2O =>
3 Ca(NO3)2 + 2(NH4)2HPO4 + 2 NH4OH = Ca3(PO4)2 + 6 NH4NO3 + 2 H2O
Li + MgCO3 = Li2CO3 + Mg =>
2 Li + MgCO3 = Li2CO3 + Mg
Pb + MgCl2 = Mg + PbCl2 =>
Pb + MgCl2 = Mg + PbCl2
Al + L2 = Al2L5 =>
4 Al + 5 L2 = 2 Al2L5
AgNO3 + H3PO4 = Ag3PO4 + H2O + N2O5 =>
6 AgNO3 + 2 H3PO4 = 2 Ag3PO4 + 3 H2O + 3 N2O5
MnO4{-} + H2S2O3 + H{+} = Mn{2+} + SO4{2-} + H2O =>
8 MnO4{-} + 5 H2S2O3 + 4 H{+} = 8 Mn{2+} + 10 SO4{2-} + 7 H2O
K2SO4 + H2SO4 = KHSO4 =>
K2SO4 + H2SO4 = 2 KHSO4
CF4 + Br2 = CBr4 + F2 =>
CF4 + 2 Br2 = CBr4 + 2 F2
BaO + SO3 = BaSO4 =>
BaO + SO3 = BaSO4
(CH2)3NNH2 + H2O4 = H2O + N2 + CO2 =>
3(CH2)3NNH2 + 10 H2O4 = 22 H2O + 3 N2 + 9 CO2
K2Cr2O7 + HNO2 = KNO2 + H2Cr2O7 =>
K2Cr2O7 + 2 HNO2 = 2 KNO2 + H2Cr2O7
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
NH4 + H3PO4 = NH4H3PO4 =>
NH4 + H3PO4 = NH4H3PO4
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Équations équilibrées sur01/03/25
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