| Équations équilibrées la veille |
Co + 2 H{+} = Co{+2} + H2
NH4NO2 + O2 = NH4NO3 =>
2 NH4NO2 + O2 = 2 NH4NO3
CN{-} + MnO4{-} + H2O = CNO{-} + MnO2 + OH{-} =>
3 CN{-} + 2 MnO4{-} + H2O = 3 CNO{-} + 2 MnO2 + 2 OH{-}
Mg + HCI = Mg(CI)2 + H2 =>
Mg + 2 HCI = Mg(CI)2 + H2
Pb(NO3)2(aq) + NH4OH(aq) = PbOH(s) + NH4(NO3)2(aq) =>
Pb(NO3)2(aq) + NH4OH(aq) = PbOH(s) + NH4(NO3)2(aq)
BaC2 + H2O = CH + BaO =>
BaC2 + H2O = 2 CH + BaO
Sn3(PO4)4 + Na2CO3 = Sn2(CO3)4 + Na3PO4 =>
2 Sn3(PO4)4 + 12 Na2CO3 = 3 Sn2(CO3)4 + 8 Na3PO4
NaHCO3 + KOH = Na2CO3 + K2CO3 + H2O =>
2 NaHCO3 + 2 KOH = Na2CO3 + K2CO3 + 2 H2O
VOCl3 + AgNO3 = AgCl + VOCl2 + NO3 =>
VOCl3 + AgNO3 = AgCl + VOCl2 + NO3
CuS + NO3 = Cu{2+} + SO4{2-} + NO =>
CuS + 2 NO3 = Cu{2+} + SO4{2-} + 2 NO
Cr2O7 + CH3CH2OH + H{+} = Cr{3+} + CH3COOH + H2O =>
Cr2O7 + 2 CH3CH2OH + 6 H{+} = 2 Cr{3+} + 2 CH3COOH + 5 H2O
NH4Cl + H2O = H3O + NH3 + Cl =>
NH4Cl + H2O = H3O + NH3 + Cl
Cr + P = Cr3P4 =>
3 Cr + 4 P = Cr3P4
N + S = N2S =>
2 N + S = N2S
Cu2S + O2 + CaCo3 = CuO + CaSO3 + Co2 =>
2 Cu2S + 5 O2 + 2 CaCo3 = 4 CuO + 2 CaSO3 + 3 Co2
CuSO4*H2O + Na2CO3 = Cu3(CO3)2(OH)2 + Na2SO4 + CO2 + H2O =>
3 CuSO4*H2O + 3 Na2CO3 = Cu3(CO3)2(OH)2 + 3 Na2SO4 + CO2 + 2 H2O
BCl3 + NH3 = BN + HCl =>
BCl3 + NH3 = BN + 3 HCl
Sr(OH)2 + HCl = SrCl2 + (H2O) =>
Sr(OH)2 + 2 HCl = SrCl2 + 2(H2O)
Ba(OH)2 + (NH4)2CrO4 = NH3 + H2O + BaCrO4 =>
Ba(OH)2 + (NH4)2CrO4 = 2 NH3 + 2 H2O + BaCrO4
MgO2 + HCl = MgCl2 + H2O + Cl =>
MgO2 + 4 HCl = MgCl2 + 2 H2O + 2 Cl
C3H6 + KMnO4 + H2SO4 = C3H6O + K2SO4 + MnSO4 + H2O =>
5 C3H6 + 2 KMnO4 + 3 H2SO4 = 5 C3H6O + K2SO4 + 2 MnSO4 + 3 H2O
CuSO4(ac) + Zn(NO3)2(ac) = Cu(NO3)2 + Zn(SO4) =>
CuSO4(ac) + Zn(NO3)2(ac) = Cu(NO3)2 + Zn(SO4)
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Fr + N2 = FrN2 =>
Fr + N2 = FrN2
C3H8O + HCl = C2H5Cl + H2O =>
2 C3H8O + 3 HCl = 3 C2H5Cl + 2 H2O
(NH4)NO3 + NaOH = Na(NO3) + NH4 + H2O =>
9(NH4)NO3 + 10 NaOH = 10 Na(NO3) + 8 NH4 + 7 H2O
CrCl3 + NH3 = Cr(NH3)6Cl3 =>
CrCl3 + 6 NH3 = Cr(NH3)6Cl3
C7H16O + O2 = CO2 + H2O =>
2 C7H16O + 21 O2 = 14 CO2 + 16 H2O
C2H5OH = C2H4 + H2O =>
C2H5OH = C2H4 + H2O
C2H4O2 + Na2(CO3) = Na(C2H3O2) + CO2 + H2O =>
2 C2H4O2 + Na2(CO3) = 2 Na(C2H3O2) + CO2 + H2O
NH4Cl(aq) + KOH(aq) = KCl(aq) + NH3(g) + H2O(l) =>
NH4Cl(aq) + KOH(aq) = KCl(aq) + NH3(g) + H2O(l)
MnO2 + HCl(aq) = MnCl2(aq) + H2O + Cl2 =>
MnO2 + 4 HCl(aq) = MnCl2(aq) + 2 H2O + Cl2
CuS + FeCl3 = CuCl2 + FeCl2 + S =>
CuS + 2 FeCl3 = CuCl2 + 2 FeCl2 + S
S + NH3 = H2S + N2 =>
3 S + 2 NH3 = 3 H2S + N2
SO2 + H2 = H2O + H2S =>
SO2 + 3 H2 = 2 H2O + H2S
PbCl2 + H2SO4 = PbSO4 + HCl =>
PbCl2 + H2SO4 = PbSO4 + 2 HCl
Na2S2O3 + I3{-} = Na{+} + I{-} + S4O6{2-} =>
2 Na2S2O3 + I3{-} = 4 Na{+} + 3 I{-} + S4O6{2-}
C18H34O2 + CH3OH = C17H33CO2CH3 + H2O =>
C18H34O2 + CH3OH = C17H33CO2CH3 + H2O
ClO{-} = Cl{-} + ClO3{-} =>
3 ClO{-} = 2 Cl{-} + ClO3{-}
Hg + SnCl2 = Hg2Cl2 + Sn =>
2 Hg + SnCl2 = Hg2Cl2 + Sn
K2ZnO2 + HNO3 = Zn(NO3)2 + K2O + H2O =>
K2ZnO2 + 2 HNO3 = Zn(NO3)2 + K2O + H2O
CH3OOH + KOH = CH3COOK + H2O =>
2 CH3OOH + KOH = CH3COOK + 3 H2O
CaBr2(aq) + Cl2(g) = CaCl2 + Br2 =>
CaBr2(aq) + Cl2(g) = CaCl2 + Br2
MnSO4 + Na2CO3 + O2 = CO2 + Na2SO4 + NaMnO4 =>
4 MnSO4 + 6 Na2CO3 + 5 O2 = 6 CO2 + 4 Na2SO4 + 4 NaMnO4
AgBr + O2 = Ag2O + OBr2 =>
2 AgBr + O2 = Ag2O + OBr2
HNO3 + HBr = Br2 + NO + H2O =>
2 HNO3 + 6 HBr = 3 Br2 + 2 NO + 4 H2O
Cr(III) + HCl = Cr(III)Cl + H =>
Cr(III) + HCl = Cr(III)Cl + H
LiOH + NO2 = LiNO3 + H2 =>
2 LiOH + 2 NO2 = 2 LiNO3 + H2
MoO2 + XeF2 = MoF6 + Xe + O =>
MoO2 + 3 XeF2 = MoF6 + 3 Xe + 2 O
P(s) + Cl2(g) = PCl5(g) =>
2 P(s) + 5 Cl2(g) = 2 PCl5(g)
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Équations équilibrées sur10/26/24
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