| Équations équilibrées la veille | Équations équilibrées le lendemain |
Zn + H2SO4 = ZnSO4 + 2 H
J2 + KOH = KJO3 + KJ + H2O =>
3 J2 + 6 KOH = KJO3 + 5 KJ + 3 H2O
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
Cu + HNO3 = CuO2 + NO + H2O =>
3 Cu + 4 HNO3 = 3 CuO2 + 4 NO + 2 H2O
H2SO4 + Na2CO3 = H2CO3 + Na2SO4 =>
H2SO4 + Na2CO3 = H2CO3 + Na2SO4
H + S = H2S =>
2 H + S = H2S
Si + NaOH + H2O = Na2SiO3 + H2 =>
Si + 2 NaOH + H2O = Na2SiO3 + 2 H2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Ca + HNO3 = Ca(NO3)2 + N2O + H2O =>
4 Ca + 10 HNO3 = 4 Ca(NO3)2 + N2O + 5 H2O
PbS + O2 = SO2 + PbO =>
2 PbS + 3 O2 = 2 SO2 + 2 PbO
KAlO2 + H2O = KOH + Al(OH)3 =>
KAlO2 + 2 H2O = KOH + Al(OH)3
Al + HNO3 = Al(NO3)3 + NH4NO3 + H2O =>
8 Al + 30 HNO3 = 8 Al(NO3)3 + 3 NH4NO3 + 9 H2O
FeCl3 + Ca(OH)2 = Fe(OH)3 + CaCl2 =>
2 FeCl3 + 3 Ca(OH)2 = 2 Fe(OH)3 + 3 CaCl2
SnO2 + H2O = Sn(OH)4 =>
SnO2 + 2 H2O = Sn(OH)4
K2CrO4 + H2SO4 + (NH4)2Fe(SO4)2*6H2O = Cr2(SO4)3 + Fe2(SO4)3 + K2SO4 + (NH4)2SO4 + H2O =>
2 K2CrO4 + 8 H2SO4 + 6(NH4)2Fe(SO4)2*6H2O = Cr2(SO4)3 + 3 Fe2(SO4)3 + 2 K2SO4 + 6(NH4)2SO4 + 44 H2O
K2Cr2O7 + KI + H2SO4 = Cr2(SO4)3 + I2 + K2SO4 + H2O =>
K2Cr2O7 + 6 KI + 7 H2SO4 = Cr2(SO4)3 + 3 I2 + 4 K2SO4 + 7 H2O
Br2 + HClO + H2O = HBrO3 + HCl =>
Br2 + 5 HClO + H2O = 2 HBrO3 + 5 HCl
CaO + CO2 = CaCO3 =>
CaO + CO2 = CaCO3
Cl2 + Ca = ClCa =>
Cl2 + 2 Ca = 2 ClCa
H3PO4 + Sr(OH)2 = H2O + Sr3(PO4)2 =>
2 H3PO4 + 3 Sr(OH)2 = 6 H2O + Sr3(PO4)2
Zn + PbNO3 = ZnNO3 + Pb =>
Zn + PbNO3 = ZnNO3 + Pb
Al + Hg(CH3COO)2 = Al(CH3COO)3 + Hg =>
2 Al + 3 Hg(CH3COO)2 = 2 Al(CH3COO)3 + 3 Hg
H2S + Cl2 = S8 + HCl =>
8 H2S + 8 Cl2 = S8 + 16 HCl
Cu + S = Cu2S =>
2 Cu + S = Cu2S
Zn + NaOH + H2O = NaZn(OH)4 + H2 =>
2 Zn + 2 NaOH + 6 H2O = 2 NaZn(OH)4 + 3 H2
Al2O3 + HNO3 = Al(NO3)3 + H2O =>
Al2O3 + 6 HNO3 = 2 Al(NO3)3 + 3 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Cu2O + NaOH = CuOH + Na2O =>
Cu2O + 2 NaOH = 2 CuOH + Na2O
Ca(OH)2 + S = CaS2O3 + CaS + H2O =>
3 Ca(OH)2 + 4 S = CaS2O3 + 2 CaS + 3 H2O
Ca3(PO4)2 + SiO2 + C = P4 + CO2 + CaSiO4 =>
2 Ca3(PO4)2 + 6 SiO2 + 2 C = P4 + 2 CO2 + 6 CaSiO4
CH3COH + H2 = C2H5OH =>
CH3COH + H2 = C2H5OH
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Al2Br3 + Cl2 = Al2Cl3 + Br =>
2 Al2Br3 + 3 Cl2 = 2 Al2Cl3 + 6 Br
Fe(OH)2 + H2O2 = Fe(OH)3 =>
2 Fe(OH)2 + H2O2 = 2 Fe(OH)3
Ni + HNO3 = Ni(NO3)3 + H2O + NO =>
Ni + 4 HNO3 = Ni(NO3)3 + 2 H2O + NO
HNO3 + Cu(OH)2 = Cu(NO3)2 + H2O =>
2 HNO3 + Cu(OH)2 = Cu(NO3)2 + 2 H2O
FeS2 + Cl2 = FeCl3 + S2Cl2 =>
2 FeS2 + 5 Cl2 = 2 FeCl3 + 2 S2Cl2
Cr2O3 + NaNO3 + Na2CO3 = Na2CrO4 + NaNO2 + CO2 =>
Cr2O3 + 3 NaNO3 + 2 Na2CO3 = 2 Na2CrO4 + 3 NaNO2 + 2 CO2
As2O5 + H2SO4 + Zn = AsH3 + H2O + ZnSO4 =>
As2O5 + 8 H2SO4 + 8 Zn = 2 AsH3 + 5 H2O + 8 ZnSO4
CH3COOH + H2O = CH3COO + H3O =>
CH3COOH + H2O = CH3COO + H3O
CrCl2 + Br2 + NaOH = Na2Cr2O7 + NaBr + NaCl + H2O =>
2 CrCl2 + 4 Br2 + 14 NaOH = Na2Cr2O7 + 8 NaBr + 4 NaCl + 7 H2O
P + H2SO4 = H3PO4 + H20 + SO2 =>
20 P + 40 H2SO4 = 20 H3PO4 + H20 + 40 SO2
N2 + O2 = NO =>
N2 + O2 = 2 NO
Cr + KNO3 = Cr2O3 + KNO2 =>
2 Cr + 3 KNO3 = Cr2O3 + 3 KNO2
Cl2(g) + NaBr(aq) = NaCl(aq) + Br2(l) =>
Cl2(g) + 2 NaBr(aq) = 2 NaCl(aq) + Br2(l)
H2SO4 + H2O = HSO4 + H3O =>
H2SO4 + H2O = HSO4 + H3O
Cl{-} + ClO3{-} + H{+} = Cl2 + H2O =>
5 Cl{-} + ClO3{-} + 6 H{+} = 3 Cl2 + 3 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Cl2(g) + NaBr(aq) = NaCl(aq) + Br2(l) =>
Cl2(g) + 2 NaBr(aq) = 2 NaCl(aq) + Br2(l)
KO2 + H2O = KOH + O2 =>
4 KO2 + 2 H2O = 4 KOH + 3 O2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/14/14
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