| Équations équilibrées la veille | Équations équilibrées le lendemain |
Mg + Li2SO4 = MgSO4 + Li2
Cu + NH3 + H2O = Cu(OH)2 + NH4 =>
Cu + 2 NH3 + 2 H2O = Cu(OH)2 + 2 NH4
C3H8(g) + H2O(l) = CO(g) + H2(g) =>
C3H8(g) + 3 H2O(l) = 3 CO(g) + 7 H2(g)
Na2SiO3 + H2O + (NH4)2Mo3O10 = H4[Si(Mo3O10)4] + NaOH + NH4OH =>
Na2SiO3 + 7 H2O + 4(NH4)2Mo3O10 = H4[Si(Mo3O10)4] + 2 NaOH + 8 NH4OH
CaCl2 + Ag = AgCl + CaCl =>
CaCl2 + Ag = AgCl + CaCl
Cu2(s) + O2(g) = CuO =>
Cu2(s) + O2(g) = 2 CuO
C18H34O2 + CH4O = C19H36O2 + H2O =>
C18H34O2 + CH4O = C19H36O2 + H2O
NaOH + BaCl{2} = NaCl + BaOH{2} =>
NaOH + BaCl{2} = NaCl + BaOH{2}
Pb3O4 + NaCl + H2SO4 = Na2SO4 + PbSO4 + Cl2 + H2O =>
Pb3O4 + 2 NaCl + 4 H2SO4 = Na2SO4 + 3 PbSO4 + Cl2 + 4 H2O
K2CO3 + BaBr2 = K2Br2 + BaCO3 =>
K2CO3 + BaBr2 = K2Br2 + BaCO3
C6H10O5(g) + O2(g) = CO2(g) + H2O(g) =>
C6H10O5(g) + 6 O2(g) = 6 CO2(g) + 5 H2O(g)
K2CrO4 + Cl2 + KOH = KClO + KCrO2 + H2O =>
2 K2CrO4 + 3 Cl2 + 4 KOH = 6 KClO + 2 KCrO2 + 2 H2O
CS2 + Cl2 = CCl4 + S2Cl2 =>
CS2 + 3 Cl2 = CCl4 + S2Cl2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
CdF2 + Se = CdSe + F2 =>
CdF2 + Se = CdSe + F2
Mg(OH)2CaCO3 + HCl = MgCl2 + CaCl2 + H2O + CO2 =>
Mg(OH)2CaCO3 + 4 HCl = MgCl2 + CaCl2 + 3 H2O + CO2
CdF2 + Se = CdSe + F2 =>
CdF2 + Se = CdSe + F2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CdF2 + Se = CdSe + F2 =>
CdF2 + Se = CdSe + F2
C2H6O(l) + O2 = H2O(l) + CO2(g) =>
C2H6O(l) + 3 O2 = 3 H2O(l) + 2 CO2(g)
NH3(aq) + CuSO4(aq) = Cu(NH3)4{2+}(aq) + SO4{2-}(aq) =>
4 NH3(aq) + CuSO4(aq) = Cu(NH3)4{2+}(aq) + SO4{2-}(aq)
MnCl2 + Na2S = MnS + NaCl =>
MnCl2 + Na2S = MnS + 2 NaCl
Mg(HCO3)2 + HCl = MgCl2 + H2CO3 =>
Mg(HCO3)2 + 2 HCl = MgCl2 + 2 H2CO3
Cr2O3 + Cl2 + C = CrCl3 + CO =>
Cr2O3 + 3 Cl2 + 3 C = 2 CrCl3 + 3 CO
KOH + CrI3 + Cl2 = KCl + K2Cr2O7 + KIO4 + H2O =>
62 KOH + 2 CrI3 + 27 Cl2 = 54 KCl + K2Cr2O7 + 6 KIO4 + 31 H2O
Cu(H2O)2{2+} + NH3 = Cu(NH3)4{2+} + H2O =>
Cu(H2O)2{2+} + 4 NH3 = Cu(NH3)4{2+} + 2 H2O
Cl2 + He = HeCl =>
Cl2 + 2 He = 2 HeCl
CH3NHCH3 + O2 = CO2 + H2O + N2O3 =>
2 CH3NHCH3 + 9 O2 = 4 CO2 + 7 H2O + N2O3
Ba(OH)2 + NaCH3CO2 = Ba(CH3CO2)2 + NaOH =>
Ba(OH)2 + 2 NaCH3CO2 = Ba(CH3CO2)2 + 2 NaOH
SnSO4 + KI = SnI2 + K2SO4 =>
SnSO4 + 2 KI = SnI2 + K2SO4
AgBr + (NH4)2CO3 = (Ag(NH3)2)Br + (NH4)HCO3 =>
AgBr + 2(NH4)2CO3 = (Ag(NH3)2)Br + 2(NH4)HCO3
U + HNO3 = UO2 + NO + H2O =>
3 U + 4 HNO3 = 3 UO2 + 4 NO + 2 H2O
LiOH + KCl = LiCl + KOH =>
LiOH + KCl = LiCl + KOH
MeOH + KOH = MeK + H2O2 =>
MeOH + KOH = MeK + H2O2
C13H7O3 + O2 = CO2 + H2O =>
4 C13H7O3 + 53 O2 = 52 CO2 + 14 H2O
Fe + AgC2H3O2 = Fe(C2H3O2)2 + silver =>
Fe + 2 AgC2H3O2 = Fe(C2H3O2)2 + 2 Ag
K3[Fe(CN)6] + Fe(NO3)3 = KNO3 + [Fe(CN)6]Fe =>
K3[Fe(CN)6] + Fe(NO3)3 = 3 KNO3 + [Fe(CN)6]Fe
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
V3{+} + I2 + H2O = VO2{+} + I{-} + H{+} =>
V3{+} + 7 I2 + 6 H2O = 3 VO2{+} + 14 I{-} + 12 H{+}
K2Cr2O7 + K2CO3 + H2C2O4 = K3Cr(C2O4)3 + CO2 + H2O =>
K2Cr2O7 + 2 K2CO3 + 9 H2C2O4 = 2 K3Cr(C2O4)3 + 8 CO2 + 9 H2O
K2Cr2O7 + Cu(s) + H2SO4 = Cr2(SO4)3 + CuSO4 + K2SO4 + H2O =>
K2Cr2O7 + 3 Cu(s) + 7 H2SO4 = Cr2(SO4)3 + 3 CuSO4 + K2SO4 + 7 H2O
H2S + Na2CO3 = Na2H2SO + CO2 =>
H2S + Na2CO3 = Na2H2SO + CO2
[Be(H2O)4]SO4 + NaOH = Na2[Be(OH)4] + Na2SO4 + H2O =>
[Be(H2O)4]SO4 + 4 NaOH = Na2[Be(OH)4] + Na2SO4 + 4 H2O
As2O3 + H2O = H3AsO3 =>
As2O3 + 3 H2O = 2 H3AsO3
H2Cl2Si + MnO4 = SiO2 + H2O + MnCl2 + O2 =>
2 H2Cl2Si + 2 MnO4 = 2 SiO2 + 2 H2O + 2 MnCl2 + O2
C4H8 + O2(g) = CO2(g) + H2O(g) =>
C4H8 + 6 O2(g) = 4 CO2(g) + 4 H2O(g)
C4H10O + Cr2O72{-} + H{+} = C4H8O + Cr3{+} + H2O =>
427 C4H10O + 6 Cr2O72{-} + 10 H{+} = 427 C4H8O + 4 Cr3{+} + 432 H2O
CaP + H2SO4 = CaSO4 + PH2 =>
CaP + H2SO4 = CaSO4 + PH2
(NH4)3PO4 + K2O = K3PO4 + NH3 + H2O =>
2(NH4)3PO4 + 3 K2O = 2 K3PO4 + 6 NH3 + 3 H2O
Sn + Cu(NO3)2 = Sn(NO3) + Cu =>
2 Sn + Cu(NO3)2 = 2 Sn(NO3) + Cu
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Équations équilibrées sur12/13/24
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