| Équations équilibrées la veille |
2 Cr2O3(s) + 3 C(s) = 2 Cr2(s) + 3 CO2(g)
SrCl2 + NaCo3 = NaCl2 + SrCo3 =>
SrCl2 + NaCo3 = NaCl2 + SrCo3
C2H5OH + O = CH3COOH + H2O =>
C2H5OH + 2 O = CH3COOH + H2O
CuO + H = Cu + H2O =>
CuO + 2 H = Cu + H2O
Br2 + C2H2 = C2H2Br4 =>
2 Br2 + C2H2 = C2H2Br4
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
CuCO3 + HSO4 = CuSO4 + HCO3 =>
CuCO3 + HSO4 = CuSO4 + HCO3
KBr(aq) + Mg(OH)2(aq) = KOH(aq) + MgBr2(aq) =>
2 KBr(aq) + Mg(OH)2(aq) = 2 KOH(aq) + MgBr2(aq)
SO3 + Cr2O3 = Cr2S + O =>
SO3 + Cr2O3 = Cr2S + 6 O
Cr(OH)2 + HCl = CrCl2 + H2O =>
Cr(OH)2 + 2 HCl = CrCl2 + 2 H2O
Li2O + SO2 = Li2(SO3) =>
Li2O + SO2 = Li2(SO3)
Mg(OH)2 + CaSO4 = MgSO4 + Ca(OH)2 =>
Mg(OH)2 + CaSO4 = MgSO4 + Ca(OH)2
Zn + Cr(NO2)3 = Zn3Cr + NO2 =>
3 Zn + Cr(NO2)3 = Zn3Cr + 3 NO2
CuO + H2S = CuS + H2O =>
CuO + H2S = CuS + H2O
Zn + AgCl = ZnCl2 + Ag =>
Zn + 2 AgCl = ZnCl2 + 2 Ag
Cu + NaOH + NaCl = Cu(OH)2CuCl2 + Na =>
2 Cu + 2 NaOH + 2 NaCl = Cu(OH)2CuCl2 + 4 Na
UO2SO4 + Bi + H2SO4 = Bi2(SO4)3 + U(SO4)2 + H2O =>
3 UO2SO4 + 2 Bi + 6 H2SO4 = Bi2(SO4)3 + 3 U(SO4)2 + 6 H2O
BF3 + KMnO4 = O2 + MnF2 + KF + B3F3O3 =>
6 BF3 + 4 KMnO4 = 5 O2 + 4 MnF2 + 4 KF + 2 B3F3O3
FeSO4 + HNO3 + H2SO4 = Fe2(SO4)3 + NO + H2O =>
6 FeSO4 + 2 HNO3 + 3 H2SO4 = 3 Fe2(SO4)3 + 2 NO + 4 H2O
ZnO + Cr = Zn + Cr2O3 =>
3 ZnO + 2 Cr = 3 Zn + Cr2O3
MgSO4 + BaCl2 = MgCl2 + BaSO4 =>
MgSO4 + BaCl2 = MgCl2 + BaSO4
ZnCl2 + AgNO3 = AgCl + Zn(NO3)2 =>
ZnCl2 + 2 AgNO3 = 2 AgCl + Zn(NO3)2
C6H5Cl + AgNO3 = AgCl + C6H5NO3 =>
C6H5Cl + AgNO3 = AgCl + C6H5NO3
K2Cr2O7 + H2SO4 + FeC2O4 = Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + CO2 + H2O =>
K2Cr2O7 + 7 H2SO4 + 2 FeC2O4 = Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + 4 CO2 + 7 H2O
NaOH + HNO3 = NaNO3 + H2O = =>
NaOH + HNO3 = NaNO3 + H2O
NH4ClO4 + Mg = Cl + N + MgO + H2O =>
NH4ClO4 + 2 Mg = Cl + N + 2 MgO + 2 H2O
C6H5F + O2 = CO2 + H2O + F2 =>
4 C6H5F + 29 O2 = 24 CO2 + 10 H2O + 2 F2
Pb3O4 + Al = Al2O3 + Pb =>
3 Pb3O4 + 8 Al = 4 Al2O3 + 9 Pb
K2[Zn(OH)4] = Zn(OH)2 + K2(OH)2 =>
K2[Zn(OH)4] = Zn(OH)2 + K2(OH)2
Cr2O3(s) + C(s) = Cr2(s) + CO2(g) =>
2 Cr2O3(s) + 3 C(s) = 2 Cr2(s) + 3 CO2(g)
Pb3O4 + Al = Al2O3 + Pb =>
3 Pb3O4 + 8 Al = 4 Al2O3 + 9 Pb
NH4ClO4 + Mg = Cl + N + MgO + H2O =>
NH4ClO4 + 2 Mg = Cl + N + 2 MgO + 2 H2O
NH4NO3 + Ba(OH)2 = Ba(NO3)2 + NH4OH =>
2 NH4NO3 + Ba(OH)2 = Ba(NO3)2 + 2 NH4OH
NaPO4 + HCl = NaCl + H + PO4 =>
NaPO4 + HCl = NaCl + H + PO4
H2 + N2 = NH =>
H2 + N2 = 2 NH
Mg + (HSO4)2 = MgSO4 + H2 =>
2 Mg + (HSO4)2 = 2 MgSO4 + H2
CrCl3 + KOH = Cr(OH)3 + KCl =>
CrCl3 + 3 KOH = Cr(OH)3 + 3 KCl
AlCl3 + Cl{-} = AlCl4{-} =>
AlCl3 + Cl{-} = AlCl4{-}
Cu + H2S = CuS + H2 =>
Cu + H2S = CuS + H2
HClCl + Zn = ZnCl + H =>
HClCl + 2 Zn = 2 ZnCl + H
AlCl3 + Cl{-} = AlCl4{-} =>
AlCl3 + Cl{-} = AlCl4{-}
ZnSO4 + KOH = KSO4 + ZnOH =>
ZnSO4 + KOH = KSO4 + ZnOH
H2S + PbCl2 = HCl + PbS =>
H2S + PbCl2 = 2 HCl + PbS
HBr + Sn(OH)2 = H2O + SnBr2 =>
2 HBr + Sn(OH)2 = 2 H2O + SnBr2
C7H15OH + O2 = CO2 + H2O =>
2 C7H15OH + 21 O2 = 14 CO2 + 16 H2O
F + NaOH = NaF + O + H2O =>
2 F + 2 NaOH = 2 NaF + O + H2O
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
CuCO3 + HSO4 = CuSO4 + HCO3 =>
CuCO3 + HSO4 = CuSO4 + HCO3
Zn + Cr(NO2)3 = Zn3Cr + NO2 =>
3 Zn + Cr(NO2)3 = Zn3Cr + 3 NO2
ScC2(g) + H2O = Sc(OH)3 + C2H2 + H2 =>
2 ScC2(g) + 6 H2O = 2 Sc(OH)3 + 2 C2H2 + H2
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Équations équilibrées sur11/20/24
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