| Équations équilibrées la veille | Équations équilibrées le lendemain |
8 Na2SO3 + S8 = 8 Na2S2O3
K2SO3 + H2SO4 = KHSO4 + H2O + SO2 =>
K2SO3 + 2 H2SO4 = 2 KHSO4 + H2O + SO2
Na2[Cu(OH)4] + HCl = Cu(OH)2 + NaCl + H2O =>
Na2[Cu(OH)4] + 2 HCl = Cu(OH)2 + 2 NaCl + 2 H2O
(NH4)2SO4 + H2CO3 = (NH4)2CO3 + H2SO4 =>
(NH4)2SO4 + H2CO3 = (NH4)2CO3 + H2SO4
Na2SO3 + S8 = Na2S2O3 =>
8 Na2SO3 + S8 = 8 Na2S2O3
CaCO3 + NaHCO3 = Ca(HCO3)2 + Na2CO3 =>
CaCO3 + 2 NaHCO3 = Ca(HCO3)2 + Na2CO3
As + NaOCl + H2O = H3AsO4 + NaCl =>
2 As + 5 NaOCl + 3 H2O = 2 H3AsO4 + 5 NaCl
HCI3 + H2O = HO + H2CI3 =>
HCI3 + H2O = HO + H2CI3
SCN{-} + Br2 + H2O = SO4{2-} + CN{-} + Br{-} + H3O{+} =>
SCN{-} + 3 Br2 + 12 H2O = SO4{2-} + CN{-} + 6 Br{-} + 8 H3O{+}
Cr2O7{2-} + SO2 + H{+} = SO4{2-} + Cr{3+} + H2O =>
Cr2O7{2-} + 3 SO2 + 2 H{+} = 3 SO4{2-} + 2 Cr{3+} + H2O
C4H8N8O8 = CO + H2O + N2 =>
C4H8N8O8 = 4 CO + 4 H2O + 4 N2
KIO3 + KI + H2SO4 = KI3 + K2SO4 + H2O =>
KIO3 + 8 KI + 3 H2SO4 = 3 KI3 + 3 K2SO4 + 3 H2O
CaSO3 + NaNO3 = Ca(NO3)2 + Na2SO3 =>
CaSO3 + 2 NaNO3 = Ca(NO3)2 + Na2SO3
Na2CO3(aq) + H2SO4 = Na2SO4 + H2CO3 =>
Na2CO3(aq) + H2SO4 = Na2SO4 + H2CO3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
KMnO4 + Cr2(SO4)3 = K2SO4 + Cr(MnO4)3 =>
6 KMnO4 + Cr2(SO4)3 = 3 K2SO4 + 2 Cr(MnO4)3
HNO3 + H2SO4 + Hg = Hg2SO4 + H2O + NO =>
2 HNO3 + 3 H2SO4 + 6 Hg = 3 Hg2SO4 + 4 H2O + 2 NO
CrI3 + C2 + KOH = K2CrO4 + KIO3 + KC + H2O =>
2 CrI3 + 21 C2 + 52 KOH = 2 K2CrO4 + 6 KIO3 + 42 KC + 26 H2O
HBr + Na2SiO3 = NaBr + H2SiO3 =>
2 HBr + Na2SiO3 = 2 NaBr + H2SiO3
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
Na2S2O4 + H2O2 = Na2SO4 + H2SO4 + H2O =>
Na2S2O4 + 3 H2O2 = Na2SO4 + H2SO4 + 2 H2O
MnO + KOH = Mn(OH)2 + K2O =>
MnO + 2 KOH = Mn(OH)2 + K2O
H2SiO3 + NaNO3 = HNO3 + Na2SiO3 =>
H2SiO3 + 2 NaNO3 = 2 HNO3 + Na2SiO3
CH3CH2COCH2CH3 + CH3MgBr + H = CH3CH2C(CH3)(OH)CH2CH3 + MgBrOH =>
7 CH3CH2COCH2CH3 + CH3MgBr + 12 H = 6 CH3CH2C(CH3)(OH)CH2CH3 + MgBrOH
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
Al(OH)3 + H{+} + H2O = (Al(H2O)6){3+} =>
Al(OH)3 + 3 H{+} + 3 H2O = (Al(H2O)6){3+}
Al(s) + NO3{-}(aq) + H2O(l) + OH{-}(aq) = Al(OH)4{-}(aq) + NH3(g) =>
8 Al(s) + 3 NO3{-}(aq) + 18 H2O(l) + 5 OH{-}(aq) = 8 Al(OH)4{-}(aq) + 3 NH3(g)
Cs2O + H2 = Cs + H2O =>
Cs2O + H2 = 2 Cs + H2O
C4H10 + N2O2 = CO2 + H2O + N2 =>
2 C4H10 + 13 N2O2 = 8 CO2 + 10 H2O + 13 N2
K3[Fe(CN)6] + NaOH = KOH + Na3[Fe(CN)6] =>
K3[Fe(CN)6] + 3 NaOH = 3 KOH + Na3[Fe(CN)6]
Ca(s) + FeSO4(aq) = CaSO4(aq) + Fe(s) =>
Ca(s) + FeSO4(aq) = CaSO4(aq) + Fe(s)
C2H5OCH3 + O2 = CO2 + H2O =>
2 C2H5OCH3 + 9 O2 = 6 CO2 + 8 H2O
P2S5 + KClO2 + H2O = H3PO4 + H2SO4 + KCl =>
P2S5 + 10 KClO2 + 8 H2O = 2 H3PO4 + 5 H2SO4 + 10 KCl
C6H10O5 + C6H12O6 = C12H22 + O11 =>
C6H10O5 + C6H12O6 = C12H22 + O11
Cd + Cu(NO3)2 = Cd(NO3)2 + Cu =>
Cd + Cu(NO3)2 = Cd(NO3)2 + Cu
CrOH{+3} + ClO{-} + OH{-} = CrO4{-2} + Cl{-} + H2O =>
CrOH{+3} + ClO{-} + 5 OH{-} = CrO4{-2} + Cl{-} + 3 H2O
Sr + H2CO3 = SrCO3 + H2 =>
Sr + H2CO3 = SrCO3 + H2
Al3 + NaOH + NaNO3 + H2O = NH3 + NaAlO2 =>
8 Al3 + 15 NaOH + 9 NaNO3 + 6 H2O = 9 NH3 + 24 NaAlO2
KAl(SO4)2 + Ba(NO3)2 = BaSO4 + KNO3 + Al(NO3)3 =>
KAl(SO4)2 + 2 Ba(NO3)2 = 2 BaSO4 + KNO3 + Al(NO3)3
S8 + Cl2 = S2Cl2 =>
S8 + 4 Cl2 = 4 S2Cl2
AgNO2 + K2CO3 = Ag2CO3 + KNO2 =>
2 AgNO2 + K2CO3 = Ag2CO3 + 2 KNO2
CsF + Ga = GaF3 + Cs =>
3 CsF + Ga = GaF3 + 3 Cs
CS2 + H2SO4 = CO2 + SO2 + H2O =>
CS2 + 6 H2SO4 = CO2 + 8 SO2 + 6 H2O
CuSO4*5H2O + (NH4)2SO4 = (NH4)2Cu(SO4)2*5H2O =>
CuSO4*5H2O + (NH4)2SO4 = (NH4)2Cu(SO4)2*5H2O
C3H4 + KMnO4 + H2O = C3H4(OH)2 + MnO2 + KOH =>
3 C3H4 + 2 KMnO4 + 4 H2O = 3 C3H4(OH)2 + 2 MnO2 + 2 KOH
NH4HSO3 + Ca(OH)2 = CaSO3 + NH3 + H2O =>
NH4HSO3 + Ca(OH)2 = CaSO3 + NH3 + 2 H2O
Fe + Y = FeY =>
Fe + Y = FeY
Ca(ClO)2 + MnCl2 + H2O = CaCl2 + MnO2 + HCl =>
Ca(ClO)2 + 2 MnCl2 + 2 H2O = CaCl2 + 2 MnO2 + 4 HCl
NaClO + NH3 = NaOH + NCl3 =>
3 NaClO + NH3 = 3 NaOH + NCl3
CaCl2 + C2H3NaO2 = CH3COCl + NaCl + CaO =>
CaCl2 + C2H3NaO2 = CH3COCl + NaCl + CaO
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Équations équilibrées sur10/24/24
Équations équilibrées sur11/23/23
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