| Équations équilibrées la veille |
Cu + 2 NaOH = H2 + Na2[CuO2]
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
CrI3 + Cl2 + KOH = K2Cr2O7 + KIO3 + KCl + H2O =>
2 CrI3 + 21 Cl2 + 50 KOH = K2Cr2O7 + 6 KIO3 + 42 KCl + 25 H2O
SrH2 + H2O = H2 + Sr(OH)2 =>
SrH2 + 2 H2O = 2 H2 + Sr(OH)2
Pb + H2O = Pb2O4 + H2 =>
2 Pb + 4 H2O = Pb2O4 + 4 H2
Zn + Al(SO4)3 = Zn(SO4)3 + Al =>
Zn + Al(SO4)3 = Zn(SO4)3 + Al
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Pb(N3)4 + Cr(MnO4)2 = Pb3O4 + NO + Cr2O3 + MnO2 =>
3 Pb(N3)4 + 16 Cr(MnO4)2 = Pb3O4 + 36 NO + 8 Cr2O3 + 32 MnO2
Al2O3 + KOH = Al(OH)3 + KAlO2 =>
2 Al2O3 + 3 KOH = Al(OH)3 + 3 KAlO2
C10H8 + KMnO4 + KOH = C8H4K2O2 + H2O + MnO2 =>
12 C10H8 + 22 KMnO4 + 8 KOH = 15 C8H4K2O2 + 22 H2O + 22 MnO2
CrO3 + SO3 = Cr2(SO3)3 + O =>
2 CrO3 + 3 SO3 = Cr2(SO3)3 + 6 O
Na2S2O2 + HCl = NaCl + H2O + S + SO2 =>
2 Na2S2O2 + 4 HCl = 4 NaCl + 2 H2O + 3 S + SO2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
CO3 + H2SO4 = SO4 + H2CO3 =>
CO3 + H2SO4 = SO4 + H2CO3
CuSO4H2O + Zn = CuSO4 + H2OZn =>
CuSO4H2O + Zn = CuSO4 + H2OZn
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Na2CO3 + HCl = (CO3)H + Na2(Cl) =>
Na2CO3 + HCl = (CO3)H + Na2(Cl)
I2 + SnBr2 + KOH = KBr + KI + SnO2 + H2O =>
I2 + SnBr2 + 4 KOH = 2 KBr + 2 KI + SnO2 + 2 H2O
Mn + ZnBr2 = Zn + MnBr2 =>
Mn + ZnBr2 = Zn + MnBr2
CaCO3 + CH3COOH = CH3COO{-} + Ca{+2} + CO2 + H2O =>
CaCO3 + 2 CH3COOH = 2 CH3COO{-} + Ca{+2} + CO2 + H2O
NaCo3 + ClBa = NaBa + ClCo3 =>
NaCo3 + ClBa = NaBa + ClCo3
MnCl2 + HNO3 + PbO2 = HMnO4 + Cl2 + Pb(NO3) + H2O =>
3 MnCl2 + 7 HNO3 + 7 PbO2 = 3 HMnO4 + 3 Cl2 + 7 Pb(NO3) + 2 H2O
N2 + F2 = NF3 =>
N2 + 3 F2 = 2 NF3
Co(NO3)2 + Na2SiO3 = CoSiO3 + NaNO3 =>
Co(NO3)2 + Na2SiO3 = CoSiO3 + 2 NaNO3
SrBr2 + MgSO4 = SrSO4 + MgBr2 =>
SrBr2 + MgSO4 = SrSO4 + MgBr2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Pb(OH)4 + H2TeO3 = Pb(TeO3)2 + H2O =>
Pb(OH)4 + 2 H2TeO3 = Pb(TeO3)2 + 4 H2O
CHC(CH2)2CH3 + O2 = CO2 + H2O =>
CHC(CH2)2CH3 + 7 O2 = 5 CO2 + 4 H2O
C10H1202 + O2 = CO2 + H2O =>
2 C10H1202 + 621 O2 = 20 CO2 + 1202 H2O
NaCHO3 = CO2 + H2O + Na2CO3 =>
2 NaCHO3 = CO2 + H2O + Na2CO3
NH4I + OF2 + KOH = KNO3 + KF + KIO4 + H2O =>
NH4I + 4 OF2 + 10 KOH = KNO3 + 8 KF + KIO4 + 7 H2O
MgSO4 + Na = Mg + Na2SO4 =>
MgSO4 + 2 Na = Mg + Na2SO4
Al2(SO4)3() + NaOH() = Al(OH)3() + Na2SO4() =>
Al2(SO4)3() + 6 NaOH() = 2 Al(OH)3() + 3 Na2SO4()
AgNO{3} + H{2} = Ag{2}S + HNO{3} =>
AgNO{3} + H{2} = Ag{2}S + HNO{3}
H2PtCl6*426H2O = H2 + Pt + Cl2 + H2O =>
H2PtCl6*426H2O = H2 + Pt + 3 Cl2 + 426 H2O
H(aq) + C2H3O2(aq) = HC2H3O2(aq) =>
H(aq) + C2H3O2(aq) = HC2H3O2(aq)
FeCO3 + NaOH = FeOH + NaCO3 =>
FeCO3 + NaOH = FeOH + NaCO3
FeCO3 + NaOH = Fe(OH)2CO3 + Na =>
FeCO3 + 2 NaOH = Fe(OH)2CO3 + 2 Na
CuNH4 + CH3COOH = CuCH3 + NH4COOH =>
CuNH4 + CH3COOH = CuCH3 + NH4COOH
NaClO4 + Na2S2O4 + NaOH = NaCl + Na2SO4 + H2O =>
3 NaClO4 + 4 Na2S2O4 + 8 NaOH = 3 NaCl + 8 Na2SO4 + 4 H2O
K2S(aq) + BaCl2(aq) = BaS(s) + KCl =>
K2S(aq) + BaCl2(aq) = BaS(s) + 2 KCl
Pb(CH3COO)2 + H2O = Pb(OH)2 + CH3COOH =>
Pb(CH3COO)2 + 2 H2O = Pb(OH)2 + 2 CH3COOH
I2 + Mg = I2Mg =>
I2 + Mg = I2Mg
Si(OH)4 + NaBr = SiBr4 + NaOH =>
Si(OH)4 + 4 NaBr = SiBr4 + 4 NaOH
NH3 + Cl2 = NH4Cl + N =>
8 NH3 + 3 Cl2 = 6 NH4Cl + 2 N
Ca(OH)2 = CaO + H2O =>
Ca(OH)2 = CaO + H2O
O2 + HNO3 = OH + NO3 =>
O2 + 2 HNO3 = 2 OH + 2 NO3
KrF2 + H2O = Kr + O2 + HF =>
2 KrF2 + 2 H2O = 2 Kr + O2 + 4 HF
K2CO3 + Mg(NO3)2 = K2(NO3)2 + MgCO3 =>
K2CO3 + Mg(NO3)2 = K2(NO3)2 + MgCO3
CuCl2 + Na2S = CuS(s) + NaCl(s) =>
CuCl2 + Na2S = CuS(s) + 2 NaCl(s)
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Équations équilibrées sur01/01/25
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