| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Na + 2 HCl = 2 NaCl + H2
CoS + CO + Cu = Co2(CO)8 + Cu2S =>
2 CoS + 8 CO + 4 Cu = Co2(CO)8 + 2 Cu2S
C3H7SH + O2 = CO2 + SO2 + H2O =>
C3H7SH + 6 O2 = 3 CO2 + SO2 + 4 H2O
KI + NaNO2 + H2SO4 = I2 + NO + K2SO4 + Na2SO4 + H2O =>
2 KI + 2 NaNO2 + 2 H2SO4 = I2 + 2 NO + K2SO4 + Na2SO4 + 2 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
NO + HClO4 + H2O = HNO3 + HCl =>
8 NO + 3 HClO4 + 4 H2O = 8 HNO3 + 3 HCl
AlP + H2O = Al(OH)3 + PH3 =>
AlP + 3 H2O = Al(OH)3 + PH3
Pb(NO3)2 + K2SO4 = KNO3 + PbSO4 =>
Pb(NO3)2 + K2SO4 = 2 KNO3 + PbSO4
Cl2 + NH3 = N2 + NH4Cl =>
3 Cl2 + 8 NH3 = N2 + 6 NH4Cl
H2O + NaCl = HCl + NaOH =>
H2O + NaCl = HCl + NaOH
HGO(s) = HG(l) + O2(g) =>
2 HGO(s) = 2 HG(l) + O2(g)
HCl + MgCO3 = MgCl2 + H2O + CO2 =>
2 HCl + MgCO3 = MgCl2 + H2O + CO2
MgO + CO2 = MgCO3 =>
MgO + CO2 = MgCO3
N2H6Cl2 + KMnO4 + HCl = N2 + MnCl2 + KCl + H2O =>
5 N2H6Cl2 + 4 KMnO4 + 2 HCl = 5 N2 + 4 MnCl2 + 4 KCl + 16 H2O
C6H4(CH3)2 + KMNO4 + H2SO4 = C6H4(COOH)2 + MNSO4 + K2SO4 + H2O =>
5 C6H4(CH3)2 + 12 KMNO4 + 18 H2SO4 = 5 C6H4(COOH)2 + 12 MNSO4 + 6 K2SO4 + 28 H2O
O2(g) + H2(g) = H2O(l) =>
O2(g) + 2 H2(g) = 2 H2O(l)
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
H2SO4 + K2O = K2SO4 + H2O =>
H2SO4 + K2O = K2SO4 + H2O
PbO2(s) = PbO(s) + O2(g) =>
2 PbO2(s) = 2 PbO(s) + O2(g)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
S + Cu = CuS =>
S + Cu = CuS
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
Ca3P2 + H2O = Ca(OH)2 + PH3 =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
C18H38 + CuO = H2O + CO2 + Cu =>
C18H38 + 55 CuO = 19 H2O + 18 CO2 + 55 Cu
Cu + S = CuS =>
Cu + S = CuS
Zn(OH)2 + HNO3 = Zn(NO3)2 + H2O =>
Zn(OH)2 + 2 HNO3 = Zn(NO3)2 + 2 H2O
P + O2 = P2O3 =>
4 P + 3 O2 = 2 P2O3
Cu + S = Cu2S =>
2 Cu + S = Cu2S
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
Na + HCl = NaCl + H2 =>
2 Na + 2 HCl = 2 NaCl + H2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Pb + HNO3 = Pb(NO3)2 + NO2 + H2O =>
Pb + 4 HNO3 = Pb(NO3)2 + 2 NO2 + 2 H2O
Al(s) + HCl(l) = AlCl3(s) + H2(g) =>
2 Al(s) + 6 HCl(l) = 2 AlCl3(s) + 3 H2(g)
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
C12H22O11 + H2O = CH3CH2OH + CO2 =>
C12H22O11 + H2O = 4 CH3CH2OH + 4 CO2
Na2SO3 + KMnO4 + H2O = Na2SO4 + MnO2 + KOH =>
3 Na2SO3 + 2 KMnO4 + H2O = 3 Na2SO4 + 2 MnO2 + 2 KOH
H2S + CuSO4 = H2SO4 + CuS =>
H2S + CuSO4 = H2SO4 + CuS
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
C19H40 + CuO = H2O + CO2 + Cu =>
C19H40 + 58 CuO = 20 H2O + 19 CO2 + 58 Cu
Fe2(SO4)3(s) + Ba(OH)2(s) = BaSO4(s) + Fe(OH)3(s) =>
Fe2(SO4)3(s) + 3 Ba(OH)2(s) = 3 BaSO4(s) + 2 Fe(OH)3(s)
H + Cl2 = HCl =>
2 H + Cl2 = 2 HCl
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
HClO3 + Sr(OH)2 = Sr(ClO3)2 + H2O =>
2 HClO3 + Sr(OH)2 = Sr(ClO3)2 + 2 H2O
NaClO + KI + H2SO4 = I2 + NaCl + K2SO4 + H2O =>
NaClO + 2 KI + H2SO4 = I2 + NaCl + K2SO4 + H2O
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/05/14
Équations équilibrées sur11/04/13
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