| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cu + 4 HNO3 = Cu(NO3)2 + 2 H2O + 2 NO2
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
PbO2 + Sb + NaOH = PbO + NaSbO2 + H2O =>
3 PbO2 + 2 Sb + 2 NaOH = 3 PbO + 2 NaSbO2 + H2O
H2SO4 + CaF2 = HF + CaSO4 =>
H2SO4 + CaF2 = 2 HF + CaSO4
HClO4(l) + P2O5(s) = Cl2O7(l) + HPO3(s) =>
2 HClO4(l) + P2O5(s) = Cl2O7(l) + 2 HPO3(s)
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
Ca + HNO3 = Ca(NO3)2 + N2O + H2O =>
4 Ca + 10 HNO3 = 4 Ca(NO3)2 + N2O + 5 H2O
(CH3COO)2Ni + Ba(OH)2 = Ni(OH)2 + (CH3COO)2Ba =>
(CH3COO)2Ni + Ba(OH)2 = Ni(OH)2 + (CH3COO)2Ba
S + O2 = SO =>
2 S + O2 = 2 SO
S + KClO3 = KCl + SO2 =>
3 S + 2 KClO3 = 2 KCl + 3 SO2
Ca + HNO3 = Ca(NO3)2 + NO + H2O =>
3 Ca + 8 HNO3 = 3 Ca(NO3)2 + 2 NO + 4 H2O
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
Fe2(SO4)3 + Ba(NO3)2 = Fe(NO3)3 + BaSO4 =>
Fe2(SO4)3 + 3 Ba(NO3)2 = 2 Fe(NO3)3 + 3 BaSO4
Fe + HNO3 = FeO + HNO =>
2 Fe + HNO3 = 2 FeO + HNO
BaCl2(aq) + H3PO4(aq) = Ba3(PO4)2(s) + HCl(aq) =>
3 BaCl2(aq) + 2 H3PO4(aq) = Ba3(PO4)2(s) + 6 HCl(aq)
NH3 + NH4Cl = NH3Cl + NH4 =>
NH3 + NH4Cl = NH3Cl + NH4
Fe2O3 + HI = FeI2 + I2 + H2O =>
Fe2O3 + 6 HI = 2 FeI2 + I2 + 3 H2O
Na3[Al(OH)6] + HCl = NaCl + AlCl3 + H2O =>
Na3[Al(OH)6] + 6 HCl = 3 NaCl + AlCl3 + 6 H2O
HCl + NaOH = H2O + NaCl =>
HCl + NaOH = H2O + NaCl
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
I2 + S2O3{-2} = I{-} + S4O6{-2} =>
I2 + 2 S2O3{-2} = 2 I{-} + S4O6{-2}
Ba(OH)2 + H3Po4 = Ba3(Po4)2 + H2O =>
3 Ba(OH)2 + 2 H3Po4 = Ba3(Po4)2 + 6 H2O
C3H8 + O2 = H2O + CO2 =>
C3H8 + 5 O2 = 4 H2O + 3 CO2
Pb(NO3)2 + Na2S = PbS + NaNO3 =>
Pb(NO3)2 + Na2S = PbS + 2 NaNO3
H2SO4(aq) + NaOH(aq) = Na2SO4(aq) + H2O(aq) =>
H2SO4(aq) + 2 NaOH(aq) = Na2SO4(aq) + 2 H2O(aq)
C2H5OH + K2Cr2O7 + H2SO4 = CH3COOH + Cr2(SO4)3 + K2SO4 + H2O =>
3 C2H5OH + 2 K2Cr2O7 + 8 H2SO4 = 3 CH3COOH + 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
Li + O2 = LiO =>
2 Li + O2 = 2 LiO
K2CO3(s) + H2O(l) + CO2(g) = KHCO3 =>
K2CO3(s) + H2O(l) + CO2(g) = 2 KHCO3
Ci + O2 = CiO =>
2 Ci + O2 = 2 CiO
PCl5 + P2O5 = POCl3 =>
3 PCl5 + P2O5 = 5 POCl3
NaCl + AgNO3 = NaNO3 + AgCl =>
NaCl + AgNO3 = NaNO3 + AgCl
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
NaVO3 + KI + H2SO4 = (VO)SO4 + I2 + K2SO4 + Na2SO4 + H2O =>
2 NaVO3 + 2 KI + 4 H2SO4 = 2(VO)SO4 + I2 + K2SO4 + Na2SO4 + 4 H2O
C3H6 + H2 = C3H8 =>
C3H6 + H2 = C3H8
P + KOH + H2O = KHPO4 + PH3 =>
3 P + KOH + 3 H2O = KHPO4 + 2 PH3
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
P + KOH + H2O = KHPO4 + PH3 =>
3 P + KOH + 3 H2O = KHPO4 + 2 PH3
Na2CO3 + CH2O = CO2 + H2 + Na2 =>
Na2CO3 + CH2O = 2 CO2 + H2 + Na2
P4 + Br2 = PBr3 =>
P4 + 6 Br2 = 4 PBr3
Ca3(PO4)2 + H3PO4 = Ca(H2PO4)2 =>
Ca3(PO4)2 + 4 H3PO4 = 3 Ca(H2PO4)2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
H2SO3 + OH = H2O + HSO3 =>
H2SO3 + OH = H2O + HSO3
Cu(NO3)2 + LiOH = Cu(OH)2 + LiNO3 =>
Cu(NO3)2 + 2 LiOH = Cu(OH)2 + 2 LiNO3
Br2 + KCl = BrCl + K =>
Br2 + 2 KCl = 2 BrCl + 2 K
Si + HNO3 + HF = SiF4 + NO2 + H2O =>
Si + 4 HNO3 + 4 HF = SiF4 + 4 NO2 + 4 H2O
CuS(s) + HCl(aq) = CuCl2 + H2S =>
CuS(s) + 2 HCl(aq) = CuCl2 + H2S
I2 + H2 = H2I =>
I2 + 2 H2 = 2 H2I
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/12/17
Équations équilibrées sur12/12/16
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