Équations équilibrées la veille |
2 K2Cr2O7 + 3 C2H6O + 8 H2SO4 = 2 Cr2(SO4)3 + 2 K2SO4 + 3 C2H4O2 + 11 H2O
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
SnO + C = Sn + CO2 =>
2 SnO + C = 2 Sn + CO2
BaSO4 + CO2 = BaCO2 + SO4 =>
BaSO4 + CO2 = BaCO2 + SO4
KO2 + K = K2O =>
KO2 + 3 K = 2 K2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Ca + MgSO4 = CaSO4Mg =>
Ca + MgSO4 = CaSO4Mg
ammoniumnitrate + potassiumsulfide = ammoniumsulfide + potassiumnitrate =>
2 NH4NO3 + K2S = (NH4)2S + 2 KNO3
LiO = Li + O2 =>
2 LiO = 2 Li + O2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Al2(SO4)3 + CaCl2 = AlCl3 + CaSO4 =>
Al2(SO4)3 + 3 CaCl2 = 2 AlCl3 + 3 CaSO4
Ca(NO3)2 + MnF3 = CaF2 + Mn(NO3)3 =>
3 Ca(NO3)2 + 2 MnF3 = 3 CaF2 + 2 Mn(NO3)3
Fe + Pb(NO3)2 = Fe(NO3)2 + Pb =>
Fe + Pb(NO3)2 = Fe(NO3)2 + Pb
FeCl3 + KOH = Fe(OH)3 + KCl =>
FeCl3 + 3 KOH = Fe(OH)3 + 3 KCl
CuO + H2 = Cu + H2O =>
CuO + H2 = Cu + H2O
CH3Cl + KOH = CH3OH + KCl =>
CH3Cl + KOH = CH3OH + KCl
H4SiO4 + Ra(OH)2 = Ra4(SiO4)2 + H2O =>
2 H4SiO4 + 4 Ra(OH)2 = Ra4(SiO4)2 + 8 H2O
Al2(SO4)3 + CaCl2 = AlCl3 + CaSO4 =>
Al2(SO4)3 + 3 CaCl2 = 2 AlCl3 + 3 CaSO4
CaO + H3PO4 = Ca3(PO4)2 + H2O =>
3 CaO + 2 H3PO4 = Ca3(PO4)2 + 3 H2O
Cu(OH)2 + Ag2O = CuO + Ag2(OH)2 =>
Cu(OH)2 + Ag2O = CuO + Ag2(OH)2
Ba(HSO3)2 + NaOH = BaSO3 + Na2SO3 + H2O =>
Ba(HSO3)2 + 2 NaOH = BaSO3 + Na2SO3 + 2 H2O
FeSO4 + KMnO4 + H2O = Fe2(SO4)3 + MnO2 + Fe(OH)3 + K2SO4 =>
18 FeSO4 + 6 KMnO4 + 12 H2O = 5 Fe2(SO4)3 + 6 MnO2 + 8 Fe(OH)3 + 3 K2SO4
Fe(NO3)2 + (NH4)3PO4 = Fe3(PO4)2 + NH4NO3 =>
3 Fe(NO3)2 + 2(NH4)3PO4 = Fe3(PO4)2 + 6 NH4NO3
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
NaOH(aq) + NiCl2(aq) = NaCl(aq) + Ni(OH)2(s) =>
2 NaOH(aq) + NiCl2(aq) = 2 NaCl(aq) + Ni(OH)2(s)
Fe2O4(s) + C(s) = Fe(s) + CO2(g) =>
Fe2O4(s) + 2 C(s) = 2 Fe(s) + 2 CO2(g)
HClO + HCrO2 = H2Cr2O7 + HCl =>
3 HClO + 2 HCrO2 = H2Cr2O7 + 3 HCl
Sr(OH)2 + MgCl2 = SrCl2 + Mg(OH)2 =>
Sr(OH)2 + MgCl2 = SrCl2 + Mg(OH)2
Cu + FeSO4 = CuSO4 + Fe =>
Cu + FeSO4 = CuSO4 + Fe
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
NaO + H2O = NaOH + OH =>
NaO + H2O = NaOH + OH
CuO + H2SO4 = CuSO4 + H2O =>
CuO + H2SO4 = CuSO4 + H2O
(NH4)2SO4 + Pb(NO3)2 = NH4NO3 + PbSO4 =>
(NH4)2SO4 + Pb(NO3)2 = 2 NH4NO3 + PbSO4
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
KClO3 + NaNO2 = KNO2 + NaClO3 =>
KClO3 + NaNO2 = KNO2 + NaClO3
NH4OH = NH3 + H2O =>
NH4OH = NH3 + H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
SO + O = SO2 =>
SO + O = SO2
MnSO4 + Na2S = MnS + Na2SO4 =>
MnSO4 + Na2S = MnS + Na2SO4
(NH4)2Cr2O7 = Cr2O3 + N2 + H2O =>
(NH4)2Cr2O7 = Cr2O3 + N2 + 4 H2O
Cu(s) + HNO3(aq) = Cu(NO3)2(aq) + NO2(g) + H2O(l) =>
Cu(s) + 4 HNO3(aq) = Cu(NO3)2(aq) + 2 NO2(g) + 2 H2O(l)
C57H104O6 + NaOH = NaC18H33O2 + C3H8O3 =>
C57H104O6 + 3 NaOH = 3 NaC18H33O2 + C3H8O3
Ca3P2 + Na2Co3 = CaCo3 + Na3P =>
Ca3P2 + 3 Na2Co3 = 3 CaCo3 + 2 Na3P
Cu(s) + HNO3(aq) = Cu(NO3)2(aq) + NO2(g) + H2O(l) =>
Cu(s) + 4 HNO3(aq) = Cu(NO3)2(aq) + 2 NO2(g) + 2 H2O(l)
KClO3 + Pb(NO3)2 = Pb(ClO3)2 + K(NO3) =>
2 KClO3 + Pb(NO3)2 = Pb(ClO3)2 + 2 K(NO3)
C6H5(OH)2 + NaOH = C6H5(ONa)2 + H2O =>
C6H5(OH)2 + 2 NaOH = C6H5(ONa)2 + 2 H2O
Y2 + X = XY3 =>
3 Y2 + 2 X = 2 XY3
FeSO4 + H2SO4 + KMnO4 = MnSO4 + Fe2(SO4)3 + K2SO4 + H2O =>
10 FeSO4 + 8 H2SO4 + 2 KMnO4 = 2 MnSO4 + 5 Fe2(SO4)3 + K2SO4 + 8 H2O
Sb(OH)5 = Sb2O5 + H2O =>
2 Sb(OH)5 = Sb2O5 + 5 H2O
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
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