| Équations équilibrées la veille | Équations équilibrées le lendemain |
Na2Co3 + (BaOH)2 = 2 NaOH + Ba2Co3
MnO2 + KOH = KMnO4 + Mn2O3 + H2O =>
8 MnO2 + 2 KOH = 2 KMnO4 + 3 Mn2O3 + H2O
Na2CO3 + KSCN = NaSCN + K2CO3 =>
Na2CO3 + 2 KSCN = 2 NaSCN + K2CO3
HNO3 + Nh4OH = Nh4NO3 + H2O =>
HNO3 + Nh4OH = Nh4NO3 + H2O
C4H10O4 + O = CO2 + H2O =>
C4H10O4 + 9 O = 4 CO2 + 5 H2O
Cl2 + Cd = Cd{+2} + Cl{-} =>
Cl2 + Cd = Cd{+2} + 2 Cl{-}
HOCl + Ni(OH)2 = Ni(ClO)2 + H2O =>
2 HOCl + Ni(OH)2 = Ni(ClO)2 + 2 H2O
CaSO3 + H2O = CaO + H2SO3 =>
CaSO3 + H2O = CaO + H2SO3
C8H8(g) + O2(g) = CO2(g) + H2O(g) =>
C8H8(g) + 10 O2(g) = 8 CO2(g) + 4 H2O(g)
HNO3 = NO + H2O + O2 =>
4 HNO3 = 4 NO + 2 H2O + 3 O2
NiCl2 + NH3 = Ni(NH3)6 + Cl =>
NiCl2 + 6 NH3 = Ni(NH3)6 + 2 Cl
H2(C2O4) + NaOH = Na2C2O4 + H2O =>
H2(C2O4) + 2 NaOH = Na2C2O4 + 2 H2O
HNO3 + SNO = SNO2 + NO + H2O =>
2 HNO3 + 3 SNO = 3 SNO2 + 2 NO + H2O
Al(OH)3 + NaOH = Na3[Al(OH)6] =>
Al(OH)3 + 3 NaOH = Na3[Al(OH)6]
CuSO4*5H2O + NH3 = Cu(NH3)4SO4 + H2O =>
CuSO4*5H2O + 4 NH3 = Cu(NH3)4SO4 + 5 H2O
As2S3 + NaOH = NaAsO2 + Na2S + H2O =>
As2S3 + 8 NaOH = 2 NaAsO2 + 3 Na2S + 4 H2O
Mg + HNO3 = Mg(NO3)2 + N2O + H2O =>
4 Mg + 10 HNO3 = 4 Mg(NO3)2 + N2O + 5 H2O
NaSCN + CoSO4 = Na2SO4 + Co(SCN)2 =>
2 NaSCN + CoSO4 = Na2SO4 + Co(SCN)2
Ba + HNO3 = Ba(NO3)2 + NH3 + H2O =>
4 Ba + 9 HNO3 = 4 Ba(NO3)2 + NH3 + 3 H2O
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
HsO4 + NaOH = Na2[HsO4(OH)2] =>
HsO4 + 2 NaOH = Na2[HsO4(OH)2]
HNO3(aq) + NaCl(aq) = HCl(s) + NaNO3(aq) =>
HNO3(aq) + NaCl(aq) = HCl(s) + NaNO3(aq)
ClO3{-} + As2S3 + H2O = Cl{-} + H2AsO4{-} + HSO4{-} + H{+} =>
14 ClO3{-} + 3 As2S3 + 18 H2O = 14 Cl{-} + 6 H2AsO4{-} + 9 HSO4{-} + 15 H{+}
AsO2{-} + I2 + H2O = I{-} + HAsO4{2-} + H{+} =>
AsO2{-} + I2 + 2 H2O = 2 I{-} + HAsO4{2-} + 3 H{+}
C4H6O5 + NaOH = C4H5O5Na + H2O =>
C4H6O5 + NaOH = C4H5O5Na + H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Br2(g) + I2(g) = IBr3(g) =>
3 Br2(g) + I2(g) = 2 IBr3(g)
CU + H2SO4 + O2 = CUSO4 + H2O =>
2 CU + 2 H2SO4 + O2 = 2 CUSO4 + 2 H2O
NH4Al(SO4)2 + NH3 + H2O = (NH4)2SO4 + Al(OH)3 =>
NH4Al(SO4)2 + 3 NH3 + 3 H2O = 2(NH4)2SO4 + Al(OH)3
CO + OH = CO2 + H =>
CO + OH = CO2 + H
CaCl2 + Na2SO4 = Na2Cl2 + CaSO4 =>
CaCl2 + Na2SO4 = Na2Cl2 + CaSO4
Co + S = CoS =>
Co + S = CoS
NaCl + LiNO3 = NaNO3 + ClLi =>
NaCl + LiNO3 = NaNO3 + ClLi
NaOH + H2O = Na(OH)2 + H2 =>
2 NaOH + 2 H2O = 2 Na(OH)2 + H2
Bi + [NO3]{-} + H{+} = Bi3{+} + NO + H2O =>
9 Bi + [NO3]{-} + 4 H{+} = 3 Bi3{+} + NO + 2 H2O
FeCl3*6H2O + NH4OH = NH4Cl + Fe(OH)3 + H2O =>
FeCl3*6H2O + 3 NH4OH = 3 NH4Cl + Fe(OH)3 + 6 H2O
AgN3 = N2 + Ag =>
2 AgN3 = 3 N2 + 2 Ag
K2Cr2O7 + H2SO4 + C4H9OH = Cr2(SO4)3 + K2SO4 + C3H7COH + H2O =>
K2Cr2O7 + 4 H2SO4 + 3 C4H9OH = Cr2(SO4)3 + K2SO4 + 3 C3H7COH + 7 H2O
C16H33COOH + O2 = C + H2O =>
2 C16H33COOH + 15 O2 = 34 C + 34 H2O
Al2(SO4)3 + K3PO4 = AlPO4 + K2SO4 =>
Al2(SO4)3 + 2 K3PO4 = 2 AlPO4 + 3 K2SO4
HClO4 + OH = ClO4 + H3O =>
2 HClO4 + OH = 2 ClO4 + H3O
Ni(NO3)2 + NH3 + H2O = Ni(OH) + NH4NO3 =>
8 Ni(NO3)2 + 18 NH3 + 11 H2O = 8 Ni(OH) + 17 NH4NO3
Mg + CuCO3 = Cu + MgCO3 =>
Mg + CuCO3 = Cu + MgCO3
B + I2 = BI3 =>
2 B + 3 I2 = 2 BI3
Zn(OH)2 + NH4OH = [Zn(NH3)4]{2+} + OH{-} + H2O =>
Zn(OH)2 + 4 NH4OH = [Zn(NH3)4]{2+} + 2 OH{-} + 4 H2O
Fe + AgNO3 = Fe(NO3)2 + Ag =>
Fe + 2 AgNO3 = Fe(NO3)2 + 2 Ag
Na2HPO4 + H2O = H3O + Na + PO4 =>
Na2HPO4 + H2O = H3O + 2 Na + PO4
Al2O3 + LiOH + H2O = LiAl(OH)4 =>
Al2O3 + 2 LiOH + 3 H2O = 2 LiAl(OH)4
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
Cl2(g) + KI = KCl + I =>
Cl2(g) + 2 KI = 2 KCl + 2 I
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Équations équilibrées sur10/22/24
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