| Équations équilibrées la veille |
2 Na + 2 H2O = 2 NaOH + H2
Ca(NO3)2 + CoSO4 = CaSO4 + Co(NO3)2 =>
Ca(NO3)2 + CoSO4 = CaSO4 + Co(NO3)2
C8H8O8 + O2 = CO2 + H2O =>
C8H8O8 + 6 O2 = 8 CO2 + 4 H2O
CaO2 + H2O = CaO + H2O2 =>
CaO2 + H2O = CaO + H2O2
Cl2 + MnCl2 + H2O = HCl + Mn2O4 =>
2 Cl2 + 2 MnCl2 + 4 H2O = 8 HCl + Mn2O4
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C2H4 + C2H4BrCOOH = C2H4BrCOOC2H5 =>
C2H4 + C2H4BrCOOH = C2H4BrCOOC2H5
C4H8S(g) + O2(g) = CO2(g) + H2O(g) + SO2(g) =>
C4H8S(g) + 7 O2(g) = 4 CO2(g) + 4 H2O(g) + SO2(g)
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
C2H3Br + Br2 = C2H2Br4 + HBr =>
C2H3Br + 2 Br2 = C2H2Br4 + HBr
Al + K2SO3 = Al2(SO3)3 + K =>
2 Al + 3 K2SO3 = Al2(SO3)3 + 6 K
Ce4 + IO3 = Ce(IO3)4 =>
Ce4 + 16 IO3 = 4 Ce(IO3)4
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
((Cr(N2H4CO)6)4(Cr(CN)6)3) + KMnO4 + H2SO4 = HOH + K2Cr2O7 + MnSO4 + CO2 + KNO3 + K2SO4 =>
10((Cr(N2H4CO)6)4(Cr(CN)6)3) + 1176 KMnO4 + 1399 H2SO4 = 1879 HOH + 35 K2Cr2O7 + 1176 MnSO4 + 420 CO2 + 660 KNO3 + 223 K2SO4
NaNO3 + FeSO4 + H = Fe + NO + H2O + Na2SO4 =>
2 NaNO3 + FeSO4 + 8 H = Fe + 2 NO + 4 H2O + Na2SO4
H{+} + S{-2} + MnO4{-} = S8 + MnO2 + OH{-} =>
32 H{+} + 24 S{-2} + 16 MnO4{-} = 3 S8 + 16 MnO2 + 32 OH{-}
N2O + Br2 + OH{-} = Br{-} + NO2{-} + H2O =>
N2O + 2 Br2 + 6 OH{-} = 4 Br{-} + 2 NO2{-} + 3 H2O
Cr2(SO)4 + H2O2 + NaOH = NaCrO4 + H2O + Na2SO4 =>
Cr2(SO)4 + 15 H2O2 + 10 NaOH = 2 NaCrO4 + 20 H2O + 4 Na2SO4
Cu + S7 = CuS =>
7 Cu + S7 = 7 CuS
Hg2(NO3)2 + NH4OH = Hg2(OH)2 + NH4NO3 =>
Hg2(NO3)2 + 2 NH4OH = Hg2(OH)2 + 2 NH4NO3
MgCl2 + H2SO4 = MgSO4 + H2Cl2 =>
MgCl2 + H2SO4 = MgSO4 + H2Cl2
NH4OH + Hg2(NO3)2 = NH4(NO3)2 + Hg2OH =>
NH4OH + Hg2(NO3)2 = NH4(NO3)2 + Hg2OH
HNO3 + N2 = HN3O3 =>
HNO3 + N2 = HN3O3
BaO + LiOH = Ba(OH)2 + Li2O =>
BaO + 2 LiOH = Ba(OH)2 + Li2O
AgI + Fe2(CO3)3 = FeI3 + Ag2CO3 =>
6 AgI + Fe2(CO3)3 = 2 FeI3 + 3 Ag2CO3
Fr + HCl = H + FrCl =>
Fr + HCl = H + FrCl
Cu + CO2 = CuO + CO =>
Cu + CO2 = CuO + CO
B + PbO = B2O3 + Pb =>
2 B + 3 PbO = B2O3 + 3 Pb
KBr + KIO3 + H2SO4 = Br2 + K2SO4 + KI + H2O =>
6 KBr + KIO3 + 3 H2SO4 = 3 Br2 + 3 K2SO4 + KI + 3 H2O
Na3PO4 + Ni(NO3)2 = Ni3(PO4)2 + NaNO3 =>
2 Na3PO4 + 3 Ni(NO3)2 = Ni3(PO4)2 + 6 NaNO3
KBr*H2SO4 = K2SO4 + Br2 + SO2 + H2O =>
2 KBr*H2SO4 = K2SO4 + Br2 + SO2 + 2 H2O
N2O + C = CO + N2 =>
N2O + C = CO + N2
Al(OH)3 + Cs = CsOH + Al =>
Al(OH)3 + 3 Cs = 3 CsOH + Al
Cr2(SO4)3 + KMnO4 + KOH = K2CrO4 + MnO2 + H2O + K2SO4 =>
Cr2(SO4)3 + 2 KMnO4 + 8 KOH = 2 K2CrO4 + 2 MnO2 + 4 H2O + 3 K2SO4
NHO3 + NO + H2O = HNO2 =>
NHO3 + 2 NO + H2O = 3 HNO2
Mg(NO3)2 + Al = Al(NO3)3 + Mg =>
3 Mg(NO3)2 + 2 Al = 2 Al(NO3)3 + 3 Mg
Na2S + Zn = Zn(Na2S)3 =>
3 Na2S + Zn = Zn(Na2S)3
PbSO2 + O2 = SO3 + PbO =>
PbSO2 + O2 = SO3 + PbO
KClO3 = KClO4 + KCl =>
4 KClO3 = 3 KClO4 + KCl
H2Br2 + KO2H2 = KBr2 + H2O =>
H2Br2 + KO2H2 = KBr2 + 2 H2O
Fr2CO3 + C = CO + Fr =>
Fr2CO3 + 2 C = 3 CO + 2 Fr
C6H3N2O4Cl + C4H11N = C10H13N3O4 + HCl =>
C6H3N2O4Cl + C4H11N = C10H13N3O4 + HCl
Na2WO4 + Na2HPO4 + Na2MoO4*H2O + H2SO4 = H3PMo7W5O40 + NaHSO4 + H2O =>
5 Na2WO4 + Na2HPO4 + 7 Na2MoO4*H2O + 26 H2SO4 = H3PMo7W5O40 + 26 NaHSO4 + 19 H2O
Pb(NO3)2(aq) + NaOH(aq) = Pb(OH)2(s) + NaNO3(aq) =>
Pb(NO3)2(aq) + 2 NaOH(aq) = Pb(OH)2(s) + 2 NaNO3(aq)
HCl + BaCrO4 = BaCl2 + H2CrO4(s) =>
2 HCl + BaCrO4 = BaCl2 + H2CrO4(s)
Sr + HNO3 = SrNO3 + H =>
Sr + HNO3 = SrNO3 + H
Al(s) + Br2(l) = AlBr3(s) =>
2 Al(s) + 3 Br2(l) = 2 AlBr3(s)
Nh4OH + H2SO4 = H2O + (Nh4)2SO4 =>
2 Nh4OH + H2SO4 = 2 H2O + (Nh4)2SO4
CH3O5 = CHO4 + H2O =>
CH3O5 = CHO4 + H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
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Équations équilibrées sur10/15/24
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