| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 NaHCO3 + H2SO4 = Na2SO4 + 2 H2O + 2 CO2
Na3PO4 + KOH = NaOH + K3PO4 =>
Na3PO4 + 3 KOH = 3 NaOH + K3PO4
NaCO3 + Ca(OH)2 = NaOH + Ca(CO3)2 =>
2 NaCO3 + Ca(OH)2 = 2 NaOH + Ca(CO3)2
Na + S = Na2S =>
2 Na + S = Na2S
Fe + F2 = FeF3 =>
2 Fe + 3 F2 = 2 FeF3
Ca3N2 = Ca + N =>
Ca3N2 = 3 Ca + 2 N
PCl5(s) + H2O(l) = H3PO4(aq) + HCl(aq) =>
PCl5(s) + 4 H2O(l) = H3PO4(aq) + 5 HCl(aq)
Fe2O3 + C = Fe + CO =>
Fe2O3 + 3 C = 2 Fe + 3 CO
N2 + H2 = H3N =>
N2 + 3 H2 = 2 H3N
butane + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
CuSO4 + H2O = Cu(OH)2 + H2SO4 =>
CuSO4 + 2 H2O = Cu(OH)2 + H2SO4
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
NO2{-2} + H2SO4 = SO4{-2} + H2O + NO =>
NO2{-2} + H2SO4 = SO4{-2} + H2O + NO
H2 + Ci2 = HCi =>
H2 + Ci2 = 2 HCi
C6H6 + HNO3 = C6H5NO2 + H2O =>
C6H6 + HNO3 = C6H5NO2 + H2O
NO2 + P2O3 + KOH = NO + K2HPO4 + H2O =>
2 NO2 + P2O3 + 4 KOH = 2 NO + 2 K2HPO4 + H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
CH3(CH2)4CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)4CH3 + 19 O2 = 12 CO2 + 14 H2O
C2H5OH + HBr = C2H5Br + H2O =>
C2H5OH + HBr = C2H5Br + H2O
H2S + Cr(OH)3 = Cr2S3 + H2O =>
3 H2S + 2 Cr(OH)3 = Cr2S3 + 6 H2O
FeCl3 + KOH = KCl + Fe(OH)3 =>
FeCl3 + 3 KOH = 3 KCl + Fe(OH)3
B + O2 = BO2 =>
B + O2 = BO2
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Ca + H2SO4 = CaSO4 + H2O + S =>
3 Ca + 4 H2SO4 = 3 CaSO4 + 4 H2O + S
Cu + Cl2 = CuCl2 =>
Cu + Cl2 = CuCl2
K3PO4 + CaCl2 = Ca3(PO4)2 + KCl =>
2 K3PO4 + 3 CaCl2 = Ca3(PO4)2 + 6 KCl
Fe + Br2 = FeBr3 =>
2 Fe + 3 Br2 = 2 FeBr3
H2O2 = H20 + O2 =>
10 H2O2 = H20 + 10 O2
Zn + NaNO3 + NaOH + H2O = Na2[Zn(OH)4] + NH3 =>
4 Zn + NaNO3 + 7 NaOH + 6 H2O = 4 Na2[Zn(OH)4] + NH3
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
S + KOH = K2SO3 + K2S + H2O =>
3 S + 6 KOH = K2SO3 + 2 K2S + 3 H2O
CH3OH + KMnO4 = MnO2 + K2CO3 + H2O =>
CH3OH + 2 KMnO4 = 2 MnO2 + K2CO3 + 2 H2O
CH3(CH2)6CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)6CH3 + 25 O2 = 16 CO2 + 18 H2O
Be + C = BeC =>
Be + C = BeC
CAC2 + H2O = C2H2 + CA(OH)2 =>
CAC2 + 2 H2O = C2H2 + CA(OH)2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
K2CrO7 + HCl = CrCl3 + Cl2 + KCl + H2O =>
2 K2CrO7 + 28 HCl = 2 CrCl3 + 9 Cl2 + 4 KCl + 14 H2O
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
Pb(CN)4 + Na2SO4 = NaCN + Pb(SO4)2 =>
Pb(CN)4 + 2 Na2SO4 = 4 NaCN + Pb(SO4)2
C7H17 + O2 = CO2 + H2O =>
4 C7H17 + 45 O2 = 28 CO2 + 34 H2O
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CAC2 + H2O = CA(OH)2 + C2H2 =>
CAC2 + 2 H2O = CA(OH)2 + C2H2
KOH + H2So4 = KHSo4 + H2O =>
KOH + H2So4 = KHSo4 + H2O
(CH3(CH2)6CH3) + O2 = CO2 + H2O =>
2(CH3(CH2)6CH3) + 25 O2 = 16 CO2 + 18 H2O
CH3(CH2)6CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)6CH3 + 25 O2 = 16 CO2 + 18 H2O
CH3COOH + H2O2 = CO2 + H2O =>
CH3COOH + 4 H2O2 = 2 CO2 + 6 H2O
HgS + O2 = HgO + SO2 =>
2 HgS + 3 O2 = 2 HgO + 2 SO2
OH{-} + Br2 = BrO3{-} + Br{-} + H2 =>
6 OH{-} + 3 Br2 = 2 BrO3{-} + 4 Br{-} + 3 H2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/12/18
Équations équilibrées sur12/12/17
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