| Équations équilibrées la veille | Équations équilibrées le lendemain |
C8H8O + 2 SeO2 = 2 SeO + C8H6O2 + H2O
Br + KI = I + KBr =>
Br + KI = I + KBr
Fe2O3 + KOH + KNO3 = K2FeO4 + KNO2 + H2O =>
Fe2O3 + 4 KOH + 3 KNO3 = 2 K2FeO4 + 3 KNO2 + 2 H2O
HNO3 + Mg(OH)2 = H2O + Mg(NO3)2 =>
2 HNO3 + Mg(OH)2 = 2 H2O + Mg(NO3)2
MnSO4 + O2 + NaOH = MnO(OH) + Na2SO4 + H2O =>
4 MnSO4 + O2 + 8 NaOH = 4 MnO(OH) + 4 Na2SO4 + 2 H2O
S2O3 + IO3 = I2 + SO4 =>
6 S2O3 + 10 IO3 = 5 I2 + 12 SO4
CrO2Cl2 + Pb(NO3)2 + H2O = PbCrO4 + PbCl2 + HNO3 =>
CrO2Cl2 + 2 Pb(NO3)2 + 2 H2O = PbCrO4 + PbCl2 + 4 HNO3
Na + Ce = NaCe2 =>
Na + 2 Ce = NaCe2
Na2SO4 + Mg(NO3)2 = NaNO3 + MgSO4 =>
Na2SO4 + Mg(NO3)2 = 2 NaNO3 + MgSO4
Al(OH)3 + F2 = AlF3 + OH =>
2 Al(OH)3 + 3 F2 = 2 AlF3 + 6 OH
H2S + FeBr2 = H2Br2 + FeS =>
H2S + FeBr2 = H2Br2 + FeS
Ca(OH)2(aq) + HI(aq) = CaI2(aq) + H2O(l) =>
Ca(OH)2(aq) + 2 HI(aq) = CaI2(aq) + 2 H2O(l)
Na2SO3*7H2O + S = Na2S2O3*5H2O + H2O =>
Na2SO3*7H2O + S = Na2S2O3*5H2O + 2 H2O
OH = O + H2O =>
2 OH = O + H2O
NiCl2*6H2O + (C2H8N2) = [Ni(C2H8N2)3]Cl2 + H2O =>
NiCl2*6H2O + 3(C2H8N2) = [Ni(C2H8N2)3]Cl2 + 6 H2O
CH3{-}CH2{-}OH{+} = CH3{-}COH =>
CH3{-}CH2{-}OH{+} = CH3{-}COH
HCl(aq) + NaHCO3(aq) = NaCl(s) + H2O(l) + CO2(g) =>
HCl(aq) + NaHCO3(aq) = NaCl(s) + H2O(l) + CO2(g)
Br2 + H2O = H2Br2O =>
Br2 + H2O = H2Br2O
CH33COOH + NaHCO3 = Na2HCO + H2O + CO2 =>
5 CH33COOH + 76 NaHCO3 = 38 Na2HCO + 104 H2O + 48 CO2
PCl3 + O = P7O10 + OCl2 =>
14 PCl3 + 41 O = 2 P7O10 + 21 OCl2
HBr + Au = AuBr + H =>
HBr + Au = AuBr + H
CuSO4*5H2O + CaCl2 = CuCl2*2H2O + CaSO4*2H2O + H2O =>
CuSO4*5H2O + CaCl2 = CuCl2*2H2O + CaSO4*2H2O + H2O
K(s) + O2(g) = K2O =>
4 K(s) + O2(g) = 2 K2O
HNO3 + Mg(OH)2 = H2O + Mg(NO3)2 =>
2 HNO3 + Mg(OH)2 = 2 H2O + Mg(NO3)2
C(s) + O2(g) = CO2 =>
C(s) + O2(g) = CO2
NH3 + AlCl3 = AlN + HCl =>
NH3 + AlCl3 = AlN + 3 HCl
Ca(s) + N2(g) = CaN2 =>
Ca(s) + N2(g) = CaN2
(NH4)2S2O8 + KI + Na2S2O3 = (NH4)2S2O3 + NaI + K2S2O8 =>
(NH4)2S2O8 + 2 KI + Na2S2O3 = (NH4)2S2O3 + 2 NaI + K2S2O8
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
CH3{-}CH2{-}OH{+} = CH3{-}COH =>
CH3{-}CH2{-}OH{+} = CH3{-}COH
H2Cr2O7 + NH3 = NH4{+} + Cr2O7{-2} =>
H2Cr2O7 + 2 NH3 = 2 NH4{+} + Cr2O7{-2}
NH4NO2 = N + H2O =>
NH4NO2 = 2 N + 2 H2O
NaCrO2 + Br2 + NaOH = Na2CrO4 + NaBr + H2O =>
2 NaCrO2 + 3 Br2 + 8 NaOH = 2 Na2CrO4 + 6 NaBr + 4 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
CH3{-}CH2{-}OH{+} = CH3{-}COH =>
CH3{-}CH2{-}OH{+} = CH3{-}COH
CoO2 + HBr = CoBr2 + H + O =>
CoO2 + 2 HBr = CoBr2 + 2 H + 2 O
Pb + SO3 = Pb(SO3)2 =>
Pb + 2 SO3 = Pb(SO3)2
KI + Ca(NO3)2 + H2O = Ca(NO2)2 + KOH + I2 =>
4 KI + Ca(NO3)2 + 2 H2O = Ca(NO2)2 + 4 KOH + 2 I2
HNO3 + Na2SO3 = H2 + SO3 + NaNO3 =>
2 HNO3 + Na2SO3 = H2 + SO3 + 2 NaNO3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
H(BrO2) + CaCO3 = H2(CO3) + Ca(BrO2)2 =>
2 H(BrO2) + CaCO3 = H2(CO3) + Ca(BrO2)2
CH3{-}CH2{-}OH{+} = CH3{-}COH =>
CH3{-}CH2{-}OH{+} = CH3{-}COH
KO + LiOH = LiO + KOH =>
KO + LiOH = LiO + KOH
O12 = O =>
O12 = 12 O
LiH + NH3 = Li{+} + NH2{-} + H2 =>
LiH + NH3 = Li{+} + NH2{-} + H2
CoFe2O4 + HCl = CoFe2Cl2 + H2O + O2 =>
2 CoFe2O4 + 4 HCl = 2 CoFe2Cl2 + 2 H2O + 3 O2
K1ClO3 = K1Cl + O2 =>
2 K1ClO3 = 2 K1Cl + 3 O2
Pb(C2H3O2)2 + (NH4)3PO4 = Pb3(PO4)2 + NH4C2H3O2 =>
3 Pb(C2H3O2)2 + 2(NH4)3PO4 = Pb3(PO4)2 + 6 NH4C2H3O2
Cr + BiO = Cr2O7 + Bi =>
2 Cr + 7 BiO = Cr2O7 + 7 Bi
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Équations équilibrées sur01/07/25
Équations équilibrées sur02/06/24
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