| Équations équilibrées la veille |
2 Ni + F2 = 2 NiF
CO2H2O + KOH = K2CO3 + H2O =>
CO2H2O + 2 KOH = K2CO3 + 2 H2O
Br2 + Na2S = Br2Na + S =>
2 Br2 + Na2S = 2 Br2Na + S
C6H4CH3NO2 + Cl2 = C6H2CH3NO2Cl1 + H2 =>
2 C6H4CH3NO2 + Cl2 = 2 C6H2CH3NO2Cl1 + 2 H2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
SiO2 + KOH = K2SiO3 + H2O =>
SiO2 + 2 KOH = K2SiO3 + H2O
Co(NO3)3 + Zn = Zn(NO3)2 + Co =>
2 Co(NO3)3 + 3 Zn = 3 Zn(NO3)2 + 2 Co
FeS2 + HCl = FeCl1 + H2S + S =>
2 FeS2 + 2 HCl = 2 FeCl1 + H2S + 3 S
HgCl2 + OH = HgO + Cl + H2O =>
HgCl2 + 2 OH = HgO + 2 Cl + H2O
Br + KBr = KBr3 =>
2 Br + KBr = KBr3
(NH4)2SO4 + Ca(OH)2 = CaSO4 + H2O(f) + NH3(g) =>
(NH4)2SO4 + Ca(OH)2 = CaSO4 + 2 H2O(f) + 2 NH3(g)
Fe(s) + Cl2(g) = FeCl3(s) =>
2 Fe(s) + 3 Cl2(g) = 2 FeCl3(s)
N3O2 = N2 + O2 =>
2 N3O2 = 3 N2 + 2 O2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
H3PO4(aq) + NH3(l) = (NH4)3PO4(aq) =>
H3PO4(aq) + 3 NH3(l) = (NH4)3PO4(aq)
K3(PO4) + NaCl = KCl + Na3(PO4) =>
K3(PO4) + 3 NaCl = 3 KCl + Na3(PO4)
N2O5 = NO2 + O2 =>
2 N2O5 = 4 NO2 + O2
H2SO4 + Al = Al2(SO4)3 + S + H2O =>
4 H2SO4 + 2 Al = Al2(SO4)3 + S + 4 H2O
H2O + H2SO4 + CrCl3 + KMnO4 = HCl + K2SO4 + MnSO4 + H2Cr2O7 =>
11 H2O + 9 H2SO4 + 10 CrCl3 + 6 KMnO4 = 30 HCl + 3 K2SO4 + 6 MnSO4 + 5 H2Cr2O7
La + S = La2S3 =>
2 La + 3 S = La2S3
Sb2O3 + HCl + Zn = ZnCl2 + H2O + SbH3 =>
Sb2O3 + 12 HCl + 6 Zn = 6 ZnCl2 + 3 H2O + 2 SbH3
MgSO4 + HNO3 = Mg(NO3)2 + H2 + SO4 =>
MgSO4 + 2 HNO3 = Mg(NO3)2 + H2 + SO4
NiCl3 + K(BrO3) = KCl + Ni(BrO3)3 =>
NiCl3 + 3 K(BrO3) = 3 KCl + Ni(BrO3)3
Fe2O3 + CO2 = Fe2(CO3)3 =>
Fe2O3 + 3 CO2 = Fe2(CO3)3
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
NiO + LiOH + O2 = LiNiO2 + H2O =>
4 NiO + 4 LiOH + O2 = 4 LiNiO2 + 2 H2O
Mg3(PO4)2 + K2SO3 = Mg(SO3) + K3(PO4) =>
Mg3(PO4)2 + 3 K2SO3 = 3 Mg(SO3) + 2 K3(PO4)
Co(NO3)2 = Co2 + NO3 =>
2 Co(NO3)2 = Co2 + 4 NO3
Cu2O + NO3 = CuOCu(NO3)2 =>
Cu2O + 2 NO3 = CuOCu(NO3)2
Ai2O3 + H2SO4 = Ai2(SO4)3 + H2O =>
Ai2O3 + 3 H2SO4 = Ai2(SO4)3 + 3 H2O
Na2O4 + C = CO2 + Na2 =>
Na2O4 + 2 C = 2 CO2 + Na2
K2S + MgI2 = MgS + KI =>
K2S + MgI2 = MgS + 2 KI
Cu2O + C = Cu + CO2 =>
2 Cu2O + C = 4 Cu + CO2
FeS + H2O = Fe2O3 + H2S + H2 =>
2 FeS + 3 H2O = Fe2O3 + 2 H2S + H2
Cu(OH)2ZnCl2 = Zn(OH)2CuCl2 =>
Cu(OH)2ZnCl2 = Zn(OH)2CuCl2
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
CH3COONa + C2H5OH + H2SO4 = Na2SO4 + H2O + CH3COOC2H5 =>
2 CH3COONa + 2 C2H5OH + H2SO4 = Na2SO4 + 2 H2O + 2 CH3COOC2H5
EuC2 + H2O = Eu(OH)2 + C2H2 =>
EuC2 + 2 H2O = Eu(OH)2 + C2H2
NaBr + CaCl2 = NaCl + CaBr2 =>
2 NaBr + CaCl2 = 2 NaCl + CaBr2
K2O + CaO = CaK + O =>
K2O + 2 CaO = 2 CaK + 3 O
Ca(OH)2 + O2 = CaO2 + H2O =>
2 Ca(OH)2 + O2 = 2 CaO2 + 2 H2O
NaHCO3 + H2O2 = NaCO3 + H2O =>
2 NaHCO3 + H2O2 = 2 NaCO3 + 2 H2O
B2O3 + H2O = B(OH)3 =>
B2O3 + 3 H2O = 2 B(OH)3
SO2 + Mg(OH)2 = [Mg(OH)]2SO3 + H2O =>
SO2 + 2 Mg(OH)2 = [Mg(OH)]2SO3 + H2O
Fe2O3 + C = Fe + CO =>
Fe2O3 + 3 C = 2 Fe + 3 CO
HNO2 + KNO3 = KNO2 + HNO3 =>
HNO2 + KNO3 = KNO2 + HNO3
BaCl2 + Na3PO4 = Ba3(PO4)2 + NaCl =>
3 BaCl2 + 2 Na3PO4 = Ba3(PO4)2 + 6 NaCl
Na2SO4 + NaOH = NaNa + SO4OH =>
2 Na2SO4 + 2 NaOH = 3 NaNa + 2 SO4OH
C40H40 + O2 = CO2 + H2O =>
C40H40 + 50 O2 = 40 CO2 + 20 H2O
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Équations équilibrées sur11/20/24
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