| Équations équilibrées la veille |
3 H2S + 8 KMnO4 = 3 K2SO4 + 2 H2O + 8 MnO2 + 2 KOH
CuCl2 + CaCl2 = Ca + CuCl4 =>
CuCl2 + CaCl2 = Ca + CuCl4
Hg + I2 = HgI2 =>
Hg + I2 = HgI2
Fe(NO3)3 + HCl + Cu = Cu(NO3)2 + FeCl3 + NO2 + H2O =>
4 Fe(NO3)3 + 12 HCl + 3 Cu = 3 Cu(NO3)2 + 4 FeCl3 + 6 NO2 + 6 H2O
Br2 + KOH = KBr + H2O + O2 =>
2 Br2 + 4 KOH = 4 KBr + 2 H2O + O2
AsO2{-} + I2 + H2O = I{-} + AsO43{-} + H{+} =>
AsO2{-} + 41 I2 + 41 H2O = 82 I{-} + AsO43{-} + 82 H{+}
Li2O = Li + O2 =>
2 Li2O = 4 Li + O2
AgNO3(aq) + NaCl(s) = AgCl(s) + NaNO3 =>
AgNO3(aq) + NaCl(s) = AgCl(s) + NaNO3
CaC2 + H2O = C2H2 + CaO =>
CaC2 + H2O = C2H2 + CaO
Cr2(SO4)3 + H2O = Cr(OH)3 + H2SO4 =>
Cr2(SO4)3 + 6 H2O = 2 Cr(OH)3 + 3 H2SO4
Sb + HCl = SbCl3 + H2 =>
2 Sb + 6 HCl = 2 SbCl3 + 3 H2
Pb(NO3)2 + (NH4)3(PO4) = Pb3(PO4)2 + NH4(NO3) =>
3 Pb(NO3)2 + 2(NH4)3(PO4) = Pb3(PO4)2 + 6 NH4(NO3)
NO2 + O2 + NaOH = NaNO3 + H2O =>
4 NO2 + O2 + 4 NaOH = 4 NaNO3 + 2 H2O
SN + HNO3 = SNO2 + NO2 + H2O =>
SN + 4 HNO3 = SNO2 + 4 NO2 + 2 H2O
H2O2(aq) + I{-}(aq) = H2O(l) + IO{-}(aq) =>
H2O2(aq) + I{-}(aq) = H2O(l) + IO{-}(aq)
NH4OH + HNO3 = NH4(NO3) + H2O =>
NH4OH + HNO3 = NH4(NO3) + H2O
C3H6O3 + H2O = CO2 + H =>
C3H6O3 + 3 H2O = 3 CO2 + 12 H
CU(s) + HCl(l) = CUCl2(aq) + H2(g) =>
CU(s) + 2 HCl(l) = CUCl2(aq) + H2(g)
C2H6 = CH3 = CH2Br =>
C2H6 = 2 CH3
CH2CNCH2CN + HCl + H2O = HOOCCH2CH2COOH + NH4Cl =>
CH2CNCH2CN + 2 HCl + 4 H2O = HOOCCH2CH2COOH + 2 NH4Cl
C4H9OH + O2 = CO2 + H2O =>
C4H9OH + 6 O2 = 4 CO2 + 5 H2O
C2H3Cl3 + O2 = CO2 + H2O + Cl2 =>
4 C2H3Cl3 + 11 O2 = 8 CO2 + 6 H2O + 6 Cl2
Al + Fe(ClO3)2 = Al(ClO3) + Fe =>
2 Al + Fe(ClO3)2 = 2 Al(ClO3) + Fe
C4H10O + Cr2O72{-} + H{+} = C4H8O + Cr3{+} + H2O =>
427 C4H10O + 6 Cr2O72{-} + 10 H{+} = 427 C4H8O + 4 Cr3{+} + 432 H2O
HI + K2SO3 = KI + H2SO3 =>
2 HI + K2SO3 = 2 KI + H2SO3
Mn2O5 = MnO2 + O2 =>
2 Mn2O5 = 4 MnO2 + O2
Fe2(SO4)3 + BaCl2 = FeCl3 + BaSO4 =>
Fe2(SO4)3 + 3 BaCl2 = 2 FeCl3 + 3 BaSO4
Hf + N2 = Hf3N4 =>
3 Hf + 2 N2 = Hf3N4
CaCl2(aq) + KI(aq) = CaI2(aq) + KCl(aq) =>
CaCl2(aq) + 2 KI(aq) = CaI2(aq) + 2 KCl(aq)
Ag + Fe(NO3)3 = AgNO3 + Fe =>
3 Ag + Fe(NO3)3 = 3 AgNO3 + Fe
HBr + Ti(OH)4 = TiBr4 + H2O =>
4 HBr + Ti(OH)4 = TiBr4 + 4 H2O
Li2CO3(aq) + HCl(aq) = LiCl(s) + H2O(l) + CO2(g) =>
Li2CO3(aq) + 2 HCl(aq) = 2 LiCl(s) + H2O(l) + CO2(g)
(COOH)2 + NaOH = NaCOO + H2O =>
(COOH)2 + 2 NaOH = 2 NaCOO + 2 H2O
PCl5 + Ba(OH)2 = BaCl2 + Ba3(PO4)2 + H2O =>
2 PCl5 + 8 Ba(OH)2 = 5 BaCl2 + Ba3(PO4)2 + 8 H2O
CuOH + HCl = CuCl + H2O =>
CuOH + HCl = CuCl + H2O
NaOH + C20H14O4 = Na + H2CO3 + H2O =>
86 NaOH + C20H14O4 = 86 Na + 20 H2CO3 + 30 H2O
C2H2 + KMnO4 + KOH = K2CO3 + MnO2 + H2O =>
3 C2H2 + 10 KMnO4 + 2 KOH = 6 K2CO3 + 10 MnO2 + 4 H2O
Fe(OH)2 + CrO4{-2} + H2O = Fe(OH)3 + Cr(OH)4{-} + OH{-} =>
3 Fe(OH)2 + CrO4{-2} + 4 H2O = 3 Fe(OH)3 + Cr(OH)4{-} + OH{-}
Fe(NO3)3(aq) + KOH(aq) = Fe(OH)3(s) + KNO3(aq) =>
Fe(NO3)3(aq) + 3 KOH(aq) = Fe(OH)3(s) + 3 KNO3(aq)
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
K2Cr2O7 + C2H6O + H2SO4 = Cr2(SO4)3 + K2SO4 + C2H4O2 + H2O =>
2 K2Cr2O7 + 3 C2H6O + 8 H2SO4 = 2 Cr2(SO4)3 + 2 K2SO4 + 3 C2H4O2 + 11 H2O
S2O3{2-} + Cl2 + OH{-} = SO4{2-} + Cl{-} + H{+} =>
S2O3{2-} + 4 Cl2 + 5 OH{-} = 2 SO4{2-} + 8 Cl{-} + 5 H{+}
CaSO4 + H2SO4 = Ca(SO4)2 + H2 =>
CaSO4 + H2SO4 = Ca(SO4)2 + H2
C7H6O3 + NaHCO3 = C7H5NaO3 + CO2 + H2O =>
C7H6O3 + NaHCO3 = C7H5NaO3 + CO2 + H2O
AlOH3 + KOH + H2O = K[Al(OH)6] + H2 =>
AlOH3 + KOH + 4 H2O = K[Al(OH)6] + 3 H2
Cd + Zn(NO3)2 = Cd(NO3) + Zn =>
2 Cd + Zn(NO3)2 = 2 Cd(NO3) + Zn
Cu(s) + Mg(NO3)2(aq) = Cu(NO3)2 + Mg =>
Cu(s) + Mg(NO3)2(aq) = Cu(NO3)2 + Mg
(CuOH2)CO3 = CuO + H2O + CO2 =>
(CuOH2)CO3 = CuO + H2O + CO2
Na2SiO3 + H2O = NaOH + SiO2 =>
Na2SiO3 + H2O = 2 NaOH + SiO2
CCl3COOH + NaOH = H2O + CCl3COONa =>
CCl3COOH + NaOH = H2O + CCl3COONa
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Équations équilibrées sur10/22/24
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