| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 NH2OH = 2 NH3 + N2O + 3 H2O
U3O8 + Ca = U + CaO =>
U3O8 + 8 Ca = 3 U + 8 CaO
Cr(s) + O2(g) = Cr2O3(s) =>
4 Cr(s) + 3 O2(g) = 2 Cr2O3(s)
Pb(NO3)2 + H2O = PbO + H2(NO3)2 =>
Pb(NO3)2 + H2O = PbO + H2(NO3)2
C4H10OC4H6O3 = C6H12O2C2H4O2 =>
C4H10OC4H6O3 = C6H12O2C2H4O2
NO(g) + H(g) = H2O(g) + NH3(g) =>
NO(g) + 5 H(g) = H2O(g) + NH3(g)
KBiO3 + H2SO4 = Bi2(SO4)3 + O2 + K2SO4 + H2O =>
2 KBiO3 + 4 H2SO4 = Bi2(SO4)3 + O2 + K2SO4 + 4 H2O
CO2(g) + Mg(C18H35O2)2(s) = MgO(s) + H2O(g) + CO(g) =>
68 CO2(g) + Mg(C18H35O2)2(s) = MgO(s) + 35 H2O(g) + 104 CO(g)
HCl + Na2Cr2O7 + KI = CrCl3 + NaCl + KIO4 + H2O =>
32 HCl + 4 Na2Cr2O7 + 3 KI = 8 CrCl3 + 8 NaCl + 3 KIO4 + 16 H2O
Cr(s) + O2(g) = Cr2O3(s) =>
4 Cr(s) + 3 O2(g) = 2 Cr2O3(s)
SrCO3 + SrTiO3 = Sr2TiO4 + CO2 =>
SrCO3 + SrTiO3 = Sr2TiO4 + CO2
(NH4)3(PO4) + Pb(C2H3O2)2 = (NH4)(C2H3O2) + Pb3(PO4)2 =>
2(NH4)3(PO4) + 3 Pb(C2H3O2)2 = 6(NH4)(C2H3O2) + Pb3(PO4)2
Cu(NO3)2 + NaHCO3 = CO2 + CuCO3 + H2O + NaNO3 =>
Cu(NO3)2 + 2 NaHCO3 = CO2 + CuCO3 + H2O + 2 NaNO3
SrBr2 + P = Sr3P2 + Br2 =>
3 SrBr2 + 2 P = Sr3P2 + 3 Br2
Cr(s) + O2(g) = Cr2O3(s) =>
4 Cr(s) + 3 O2(g) = 2 Cr2O3(s)
HOOCCHCHCOOH + O2 = CO2 + H2O =>
HOOCCHCHCOOH + 3 O2 = 4 CO2 + 2 H2O
Cr(s) + O2(g) = Cr2O3(s) =>
4 Cr(s) + 3 O2(g) = 2 Cr2O3(s)
SO3 + Ba2 = BaO + SO2 =>
2 SO3 + Ba2 = 2 BaO + 2 SO2
NO3(aq) + H{+} + Pb(s) = NO(g) + H2O + Pb{2+}(aq) =>
NO3(aq) + 4 H{+} + 2 Pb(s) = NO(g) + 2 H2O + 2 Pb{2+}(aq)
Cr(s) + O2(g) = Cr2O3(s) =>
4 Cr(s) + 3 O2(g) = 2 Cr2O3(s)
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
K(s) + MgCO3(s) = K2CO3(s) + Mg(s) =>
2 K(s) + MgCO3(s) = K2CO3(s) + Mg(s)
MgSO4 + Na2CO3 + H2O = Na2SO4 + Mg(OH)2 + CO2 =>
MgSO4 + Na2CO3 + H2O = Na2SO4 + Mg(OH)2 + CO2
Cr(s) + O2(g) = Cr2O3(s) =>
4 Cr(s) + 3 O2(g) = 2 Cr2O3(s)
H2CO3 + OH = CHO3 + H2O =>
H2CO3 + OH = CHO3 + H2O
NaCl + H{2}SO{4} = Na{2]SO{4}+HCl =>
NaCl + H{2}SO{4} = Na{2]SO{4}+HCl
HBr + C3H4O2 = C2H4BrCOOH =>
HBr + C3H4O2 = C2H4BrCOOH
(N2H5)2SO4 + KI3 + NaHCO3 = N2 + KI + NaI + H2SO4 + H2O + CO2 =>
(N2H5)2SO4 + 4 KI3 + 8 NaHCO3 = 2 N2 + 4 KI + 8 NaI + H2SO4 + 8 H2O + 8 CO2
Cr(s) + O2(g) = Cr2O3(s) =>
4 Cr(s) + 3 O2(g) = 2 Cr2O3(s)
PBSO4 = PB + SO4 =>
PBSO4 = PB + SO4
HgCl2 + (NH4)2SO4 = HgSO4 + NH4Cl =>
HgCl2 + (NH4)2SO4 = HgSO4 + 2 NH4Cl
Cr(s) + O2(g) = Cr2O3(s) =>
4 Cr(s) + 3 O2(g) = 2 Cr2O3(s)
Na2S + Na2SO3 + HCl = S + H2O + NaCl =>
2 Na2S + Na2SO3 + 6 HCl = 3 S + 3 H2O + 6 NaCl
NO3 + H = NO2 + H2O =>
NO3 + 2 H = NO2 + H2O
Fe + O = Fe3O4 =>
3 Fe + 4 O = Fe3O4
MgO + Al(OH)3 = Mg(OH)2 + Al2O3 =>
3 MgO + 2 Al(OH)3 = 3 Mg(OH)2 + Al2O3
Cr(s) + O2(g) = Cr2O3(s) =>
4 Cr(s) + 3 O2(g) = 2 Cr2O3(s)
Sc2 + O3 = ScO3 =>
Sc2 + 2 O3 = 2 ScO3
K + Sn6(NO3) = Sn + K(NO3) =>
K + Sn6(NO3) = 6 Sn + K(NO3)
NH2OH = NH3 + N2O + H2O =>
4 NH2OH = 2 NH3 + N2O + 3 H2O
H3 + PO4 = H4P2O7 + H2O =>
2 H3 + 2 PO4 = H4P2O7 + H2O
C8H9NOBrCl = C8H8BrNOHCl =>
C8H9NOBrCl = C8H8BrNOHCl
Ca3P2 + H2O = Ca(OH)2 + PH3 =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
H3 + PO4 = H4P2O7 + H2O =>
2 H3 + 2 PO4 = H4P2O7 + H2O
C9H11NO3HNO3 = C9H12NO3NO3 =>
C9H11NO3HNO3 = C9H12NO3NO3
Cu + HOH = Cu(OH)2 + H2 =>
Cu + 2 HOH = Cu(OH)2 + H2
CuI + Ba(OH)2 = Cu(OH)2 + BaI =>
CuI + Ba(OH)2 = Cu(OH)2 + BaI
H2SO4 + K4Fe(CN)6 + KMnO4 = CO2 + Fe2(SO4)3 + H2O + HNO3 + KHSO4 + MnSO4 =>
299 H2SO4 + 10 K4Fe(CN)6 + 122 KMnO4 = 60 CO2 + 5 Fe2(SO4)3 + 188 H2O + 60 HNO3 + 162 KHSO4 + 122 MnSO4
CH2OHCNH2O = C2H5NO2 =>
CH2OHCNH2O = C2H5NO2
K2CO3 + N2 + C = KCN + CO =>
K2CO3 + N2 + 4 C = 2 KCN + 3 CO
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/07/25
Équations équilibrées sur03/09/24
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