| Équations équilibrées la veille | Équations équilibrées le lendemain |
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
Mg + HNO3(conc) = Mg(NO3)3 + NO + H2O =>
Mg + 4 HNO3(conc) = Mg(NO3)3 + NO + 2 H2O
Cu + Pb(No3)2 = Pb + Cu(No3)2 =>
Cu + Pb(No3)2 = Pb + Cu(No3)2
Rb(s) + O2(g) = Rb2O(l) =>
4 Rb(s) + O2(g) = 2 Rb2O(l)
Al(OH)2 + HCl = AlCl2 + H2O =>
Al(OH)2 + 2 HCl = AlCl2 + 2 H2O
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
C11H24 + O2 = CO2 + H2O =>
C11H24 + 17 O2 = 11 CO2 + 12 H2O
H2CO3 + Mg(OH)2 = MgCO3 + H2O =>
H2CO3 + Mg(OH)2 = MgCO3 + 2 H2O
S(s) + O2(g) = SO3(l) =>
2 S(s) + 3 O2(g) = 2 SO3(l)
CH3COOH(aq) + NaHCO3(s) = CO2(g) + H2O(l) + CH3COONa(s) =>
CH3COOH(aq) + NaHCO3(s) = CO2(g) + H2O(l) + CH3COONa(s)
K2Cr2O7 + Al + H2SO4 = Cr2(SO4)3 + Al2(SO4)3 + H2O + K2SO4 =>
K2Cr2O7 + 2 Al + 7 H2SO4 = Cr2(SO4)3 + Al2(SO4)3 + 7 H2O + K2SO4
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CuCl2 + Zn(OH)2 = Cu(OH)2 + ZnCl2 =>
CuCl2 + Zn(OH)2 = Cu(OH)2 + ZnCl2
Al + CuCl2 = AlCl + Cu =>
2 Al + CuCl2 = 2 AlCl + Cu
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
(NH4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
I2 + NaOH = NaI + NaIO3 + H2O =>
3 I2 + 6 NaOH = 5 NaI + NaIO3 + 3 H2O
KBr + K2Cr2O7 + H2SO4 = Br2 + K2SO4 + Cr2(SO4)3 + H2O =>
6 KBr + K2Cr2O7 + 7 H2SO4 = 3 Br2 + 4 K2SO4 + Cr2(SO4)3 + 7 H2O
H2O2 = H20 + O2 =>
10 H2O2 = H20 + 10 O2
C3H8O(l) + O2(g) = CO2 + H20 =>
10 C3H8O(l) + 25 O2(g) = 30 CO2 + 4 H20
I2 + NaOH + HCOOH = NaI + H2O + CO2 =>
I2 + 2 NaOH + HCOOH = 2 NaI + 2 H2O + CO2
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
CaO + C = CaC2 + CO2 =>
2 CaO + 5 C = 2 CaC2 + CO2
KO2 + H2O = O2 + KOH =>
4 KO2 + 2 H2O = 3 O2 + 4 KOH
NaF + Br2 = NaBr + F2 =>
2 NaF + Br2 = 2 NaBr + F2
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb =>
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb
H2SO4 + NaNO2 = HNO2 + Na2SO4 =>
H2SO4 + 2 NaNO2 = 2 HNO2 + Na2SO4
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
S2 + O2 = SO2 =>
S2 + 2 O2 = 2 SO2
Zn(OH)2 + HNO3 = Zn(NO3)2 + H2O =>
Zn(OH)2 + 2 HNO3 = Zn(NO3)2 + 2 H2O
O2 + H = H2O =>
O2 + 4 H = 2 H2O
Cr + Fe(NO3)2 = Fe + Cr(NO3)3 =>
2 Cr + 3 Fe(NO3)2 = 3 Fe + 2 Cr(NO3)3
Fe2O3 + C = Fe + CO =>
Fe2O3 + 3 C = 2 Fe + 3 CO
KClO3 + P = P2O5 + KCl =>
5 KClO3 + 6 P = 3 P2O5 + 5 KCl
Fe2O3(s) + CO(g) = Fe(l) + CO2(g) =>
Fe2O3(s) + 3 CO(g) = 2 Fe(l) + 3 CO2(g)
NO + O2 = NO3 =>
NO + O2 = NO3
MnO2 + HBr = MnBr2 + Br2 + H2O =>
MnO2 + 4 HBr = MnBr2 + Br2 + 2 H2O
Mg + S = MgS =>
Mg + S = MgS
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
KI + Cr2O7 = K2Cr2O7 + I2 =>
2 KI + Cr2O7 = K2Cr2O7 + I2
CUSO4 + ZN = ZNSO4 + CU =>
CUSO4 + ZN = ZNSO4 + CU
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
(NH4)2S + FeCl2(g) = FeS(g) + NH4Cl(l) =>
(NH4)2S + FeCl2(g) = FeS(g) + 2 NH4Cl(l)
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
CO2 + Na2O = Na2CO3 =>
CO2 + Na2O = Na2CO3
Br2 + NaI = NaBr + I2 =>
Br2 + 2 NaI = 2 NaBr + I2
Al2(SO3)3 + NaOH = Na2SO3 + Al(OH)3 =>
Al2(SO3)3 + 6 NaOH = 3 Na2SO3 + 2 Al(OH)3
Cl2 + H2 = HCl =>
Cl2 + H2 = 2 HCl
Br + NaI = NaBr + I =>
Br + NaI = NaBr + I
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/09/16
Équations équilibrées sur12/09/15
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