| Équations équilibrées la veille |
QX3 + 3 H2O = Q(OH)3 + 3 HX
Cr2O7{-2} + SO3{-2} + H3O{+} = Cr{+3} + SO4{-2} + H2O{-2} =>
Cr2O7{-2} + 6 SO3{-2} + 2 H3O{+} = 2 Cr{+3} + 6 SO4{-2} + 3 H2O{-2}
Ca3(PO)4 + SiO2 + C = CaSiO3 + P4 + CO =>
Ca3(PO)4 + 3 SiO2 + C = 3 CaSiO3 + P4 + CO
NaSO4 + H2O = NaSO4H2O =>
NaSO4 + H2O = NaSO4H2O
CO + H2 = C6H10 + H2O =>
6 CO + 11 H2 = C6H10 + 6 H2O
Na2CO3 + NaHSO4 = Na2SO4 + H2O + CO2 =>
Na2CO3 + 2 NaHSO4 = 2 Na2SO4 + H2O + CO2
SnCl = Sn4 + Cl =>
4 SnCl = Sn4 + 4 Cl
Cu{2+} + Pb = Cu + Pb{4+} =>
2 Cu{2+} + Pb = 2 Cu + Pb{4+}
NaCl + K2CrO4 = KCl + Na2(CrO4) =>
2 NaCl + K2CrO4 = 2 KCl + Na2(CrO4)
CuCO3(s) = CuO(s) + CO2(n) =>
CuCO3(s) = CuO(s) + CO2(n)
MgO(s) + NaOH(aq) = MgOH(s) + NaO(g) =>
MgO(s) + NaOH(aq) = MgOH(s) + NaO(g)
Cu + HNO3(rozc) = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3(rozc) = 3 Cu(NO3)2 + 2 NO + 4 H2O
C8H10 + O2 = C8H10O =>
2 C8H10 + O2 = 2 C8H10O
Co2S3 + H2 = Co + H2S =>
Co2S3 + 3 H2 = 2 Co + 3 H2S
K2[HgCl4] = K + [HgCl4] =>
K2[HgCl4] = 2 K + [HgCl4]
K3PO4 + Cr(CH3CO2)2 = KCH3CO2 + Cr3(PO4)2 =>
2 K3PO4 + 3 Cr(CH3CO2)2 = 6 KCH3CO2 + Cr3(PO4)2
I2 + Na2S2O3 + KCl = NaCl + NaI + K2S4O6 =>
I2 + 2 Na2S2O3 + 2 KCl = 2 NaCl + 2 NaI + K2S4O6
KBr + CCl4 = KCl + Br2 + C =>
4 KBr + CCl4 = 4 KCl + 2 Br2 + C
Hg2(NO3)2(aq) + NaBr(aq) = Hg2Br2 + NaNO3 =>
Hg2(NO3)2(aq) + 2 NaBr(aq) = Hg2Br2 + 2 NaNO3
FeSO4(s) + KMnO4(aq) + H2SO4(l) = Fe2(SO4)3(aq) + K2SO4 + MnSO4(aq) + H2O(l) =>
10 FeSO4(s) + 2 KMnO4(aq) + 8 H2SO4(l) = 5 Fe2(SO4)3(aq) + K2SO4 + 2 MnSO4(aq) + 8 H2O(l)
Ca(CO3)2 + H = CO2 + H2O + Ca2 =>
2 Ca(CO3)2 + 8 H = 4 CO2 + 4 H2O + Ca2
NO2 + Br2 = NO2Br2 =>
NO2 + Br2 = NO2Br2
C8H17OH(l) + O2(g) = CO2(g) + H2O(l) =>
C8H17OH(l) + 12 O2(g) = 8 CO2(g) + 9 H2O(l)
BaCl2(aq) + K2CrO4(aq) = KCl(s) + BaCrO4(aq) =>
BaCl2(aq) + K2CrO4(aq) = 2 KCl(s) + BaCrO4(aq)
HCH3CO2 + NaHCO3 = NaCH3CO2 + CO2 + H2O =>
HCH3CO2 + NaHCO3 = NaCH3CO2 + CO2 + H2O
C3H4O2 + H2 = C3H4 + H2O =>
C3H4O2 + 2 H2 = C3H4 + 2 H2O
KMnO4 + BaCl2 + HCl = KCl + MnCl2 + H2O + BaCl3 =>
KMnO4 + 5 BaCl2 + 8 HCl = KCl + MnCl2 + 4 H2O + 5 BaCl3
Na2CO3(aq) + CoCl2 = CoCO3(s) + NaCl =>
Na2CO3(aq) + CoCl2 = CoCO3(s) + 2 NaCl
Na3AsO3 + Na2S + H2O = As2S3 + NaOH =>
2 Na3AsO3 + 3 Na2S + 6 H2O = As2S3 + 12 NaOH
KNO3 + Na2Pb[Cu(NO2)6] = K2Pb[Cu(NO2)6] + NaNO3 =>
2 KNO3 + Na2Pb[Cu(NO2)6] = K2Pb[Cu(NO2)6] + 2 NaNO3
Zn + CuF2 = ZnF2 + Cu =>
Zn + CuF2 = ZnF2 + Cu
CuSO4*5H2O + Al = Al2(SO4) + Cu + H2O =>
CuSO4*5H2O + 2 Al = Al2(SO4) + Cu + 5 H2O
Fe + Na = Fe6Na7 =>
6 Fe + 7 Na = Fe6Na7
As2S3 + H2O2 = H3AsO4 + H2SO4 + H2O =>
As2S3 + 14 H2O2 = 2 H3AsO4 + 3 H2SO4 + 8 H2O
NH4Cl + Mg + N2 = N(NH4)3 + MgCl2 =>
6 NH4Cl + 3 Mg + N2 = 2 N(NH4)3 + 3 MgCl2
Na2Cr2O7 + Pb + H2O = PbO2 + NaOH + Cr2O3 =>
2 Na2Cr2O7 + 3 Pb + 2 H2O = 3 PbO2 + 4 NaOH + 2 Cr2O3
P4 + HNO3 = HPO3 + N =>
P4 + 4 HNO3 = 4 HPO3 + 4 N
CaCO3(k) + HNO3(aq) = CO2(g) + Ca(NO3)2(aq) + H2O(l) =>
CaCO3(k) + 2 HNO3(aq) = CO2(g) + Ca(NO3)2(aq) + H2O(l)
H2O4S + Zn(OH)2 = ZnSO4 + H2O =>
H2O4S + Zn(OH)2 = ZnSO4 + 2 H2O
SO2 + Li2Se = SSe2 + Li2O =>
SO2 + 2 Li2Se = SSe2 + 2 Li2O
NaOH + H2O = NaH + OH =>
NaOH + H2O = NaH + 2 OH
Co(NO3)2 + NH4SCN = (NH4)2[Co(NCS)4] + NH4NO3 =>
Co(NO3)2 + 4 NH4SCN = (NH4)2[Co(NCS)4] + 2 NH4NO3
H2O + Cr2O7{-2} + H2SO3 = Cr{-3} + HSO4{-} + H{+} =>
2 H2O + Cr2O7{-2} + 9 H2SO3 = 2 Cr{-3} + 9 HSO4{-} + 13 H{+}
Sc2O3 + Fe2O3 + TeO3 = ScFeTeO6 =>
Sc2O3 + Fe2O3 + 2 TeO3 = 2 ScFeTeO6
FeCl + NaHO3 = FeHO3 + NaCl =>
FeCl + NaHO3 = FeHO3 + NaCl
AgBr + GaP = Ag3P2 + Ga2Br3 =>
3 AgBr + 2 GaP = Ag3P2 + Ga2Br3
NH4OH + Bi = Bi(OH)2 + NH4 =>
2 NH4OH + Bi = Bi(OH)2 + 2 NH4
OH + O2 = O2H =>
2 OH + O2 = 2 O2H
C5H10O2 + C4H11N = C9H17N + H2O =>
C5H10O2 + C4H11N = C9H17N + 2 H2O
I2 + Na2SO3 + H2O = H2SO4 + NaI =>
I2 + Na2SO3 + H2O = H2SO4 + 2 NaI
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Équations équilibrées sur01/09/25
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