| Équations équilibrées la veille |
2 BF3 + 6 KH = B2H6 + 6 KF
CrO3 + Mg = MgCrO4 + Cr2(CrO4)3 =>
8 CrO3 + 3 Mg = 3 MgCrO4 + Cr2(CrO4)3
PbO2 + Mn{2+} + SO4{2-} + H{+} = PbSO4 + MnO4{-} + H2O =>
5 PbO2 + 2 Mn{2+} + 5 SO4{2-} + 4 H{+} = 5 PbSO4 + 2 MnO4{-} + 2 H2O
CH3CHOHCH2CH3 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + H2O + CH3CHOCH2CH3 =>
10 CH3CHOHCH2CH3 + 2 KMnO4 + 3 H2SO4 = K2SO4 + 2 MnSO4 + 8 H2O + 10 CH3CHOCH2CH3
ZnCl2 + (NH4)2S = ZnS + NH4(Cl) =>
ZnCl2 + (NH4)2S = ZnS + 2 NH4(Cl)
Fe2(CO3)3 + MgCl2 = FeCl3 + Mg(CO3) =>
Fe2(CO3)3 + 3 MgCl2 = 2 FeCl3 + 3 Mg(CO3)
Cu + MnSO4 = CuSO4 + Mn =>
Cu + MnSO4 = CuSO4 + Mn
Cs + Sr(CrO4) = Cs(CrO4) + Sr =>
Cs + Sr(CrO4) = Cs(CrO4) + Sr
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Ca5(PO4)3F + SiO2 + C = P4 + CaF2 + CaSiO3 + CO =>
4 Ca5(PO4)3F + 18 SiO2 + 30 C = 3 P4 + 2 CaF2 + 18 CaSiO3 + 30 CO
BaCl2*2H2O + Na2CO3 = NaCl + BaCO3 + H2O =>
BaCl2*2H2O + Na2CO3 = 2 NaCl + BaCO3 + 2 H2O
K2O + Cu = Cu2O + K =>
K2O + 2 Cu = Cu2O + 2 K
Cu2O + Na2S2O3 + H2O = Na3[Cu(S2O3)2] + NaOH =>
Cu2O + 4 Na2S2O3 + H2O = 2 Na3[Cu(S2O3)2] + 2 NaOH
AgNO3 + Na2SO4 = Ag2SO4 + Na + NO3 =>
2 AgNO3 + Na2SO4 = Ag2SO4 + 2 Na + 2 NO3
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Ba(OH)3 + HCl = BaCl3 + H2O =>
Ba(OH)3 + 3 HCl = BaCl3 + 3 H2O
Al(OH)3(s) = Al2O3 + H2O =>
2 Al(OH)3(s) = Al2O3 + 3 H2O
KMnO4 + NO + H2SO4 = MnSO4 + NO2 + K2SO4 + H2O =>
2 KMnO4 + 5 NO + 3 H2SO4 = 2 MnSO4 + 5 NO2 + K2SO4 + 3 H2O
C3H7OH(g) + O2 = CO2(g) + H2O(g) =>
2 C3H7OH(g) + 9 O2 = 6 CO2(g) + 8 H2O(g)
C18H36 + O2 = CO2 + H2O =>
C18H36 + 27 O2 = 18 CO2 + 18 H2O
NaOH + FeCl{3} = NaCl + Fe(OH){3} =>
NaOH + FeCl{3} = NaCl + Fe(OH){3}
H2SO4 + KMnO4 + FeSO4 = MnSO4 + K2SO4 + Fe(SO4)3 + H2O =>
16 H2SO4 + 4 KMnO4 + 5 FeSO4 = 4 MnSO4 + 2 K2SO4 + 5 Fe(SO4)3 + 16 H2O
MgCl2 + Na2CO3 = MgCO3 + NaCl =>
MgCl2 + Na2CO3 = MgCO3 + 2 NaCl
Fe3O2 + CO = Fe3O + CO2 =>
Fe3O2 + CO = Fe3O + CO2
Pb(NO3) = PbO + NO2 = =>
Pb(NO3) = PbO + NO2
Al(s) + Fe2O3(s) = Al2O3 + Fe =>
2 Al(s) + Fe2O3(s) = Al2O3 + 2 Fe
CH3CH2CH2OH + KMnO4 + H2SO4 = CH3CH2COOH + Mn(OH)2 + K2SO4 + H2O =>
5 CH3CH2CH2OH + 4 KMnO4 + 2 H2SO4 = 5 CH3CH2COOH + 4 Mn(OH)2 + 2 K2SO4 + 3 H2O
Si + NaOH + H2O = H2 + Na2SiO3 =>
Si + 2 NaOH + H2O = 2 H2 + Na2SiO3
C4H2O3 + C6H10 = C10H12O3 = C8H14O4 =>
C4H2O3 + C6H10 = C10H12O3
NO2 + H2O2 = HNO3 =>
2 NO2 + H2O2 = 2 HNO3
AgBr + Na2S = NaBr + Ag2S =>
2 AgBr + Na2S = 2 NaBr + Ag2S
CuCO3 + CH3COOH = (CH3COO)2Cu + H2O + CO2 =>
CuCO3 + 2 CH3COOH = (CH3COO)2Cu + H2O + CO2
N{+5} + {-} = N{-3} =>
N{+5} + 8e = N{-3}
K2Cr2O7 + HBr = KBr + CrBr3 + Br2 + H2O =>
K2Cr2O7 + 14 HBr = 2 KBr + 2 CrBr3 + 3 Br2 + 7 H2O
AgNO3(aq) + CaCl2(aq) = AgCl(s) + Ca(NO3)2(aq) =>
2 AgNO3(aq) + CaCl2(aq) = 2 AgCl(s) + Ca(NO3)2(aq)
Ni(NO3)2 + H2O = Ni(H2O)2 + NO3 =>
Ni(NO3)2 + 2 H2O = Ni(H2O)2 + 2 NO3
Pb + Au3{+} = Pb2{+} + Au =>
2 Pb + Au3{+} = Pb2{+} + 3 Au
CH3CO2Na(aq) + AgNO3(aq) = CH3CO2NO3 + NaAg =>
CH3CO2Na(aq) + AgNO3(aq) = CH3CO2NO3 + NaAg
NiC2O4*2H2O + O = NiO + H2O + CO2 =>
NiC2O4*2H2O + O = NiO + 2 H2O + 2 CO2
NH3O = NH3 + O2 =>
2 NH3O = 2 NH3 + O2
K2O + Cu = K + CuO =>
K2O + Cu = 2 K + CuO
NaI(s) + H2O(l) = NaOH(s) + HI(s) =>
NaI(s) + H2O(l) = NaOH(s) + HI(s)
Si(CH3)4 + CO2 = SiCO + H2 + CO =>
Si(CH3)4 + 4 CO2 = SiCO + 6 H2 + 7 CO
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
NaNO3 + KOH = KNa + NO4H =>
NaNO3 + KOH = KNa + NO4H
C2 + H2O = CO + H =>
C2 + 2 H2O = 2 CO + 4 H
AgCl + C3H6O = AgCH3 + CH3COCl =>
AgCl + C3H6O = AgCH3 + CH3COCl
HNO3 + ZnSO4 = Zn(NO3)2 + H2SO4 =>
2 HNO3 + ZnSO4 = Zn(NO3)2 + H2SO4
Si + OO = OSiO =>
Si + OO = OSiO
C2H5COOBr + KOH = C2H5COOK + BrOH =>
C2H5COOBr + KOH = C2H5COOK + BrOH
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Équations équilibrées sur02/10/25
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