| Équations équilibrées la veille | Équations équilibrées le lendemain |
HCN + HS = H2S + CN
Al(OH)3 + H4SiO4 = Al4(SiO4)3 + H2O =>
4 Al(OH)3 + 3 H4SiO4 = Al4(SiO4)3 + 12 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
KBr + H2SO4 = K2SO4 + Br + SO2 + H2O =>
2 KBr + 2 H2SO4 = K2SO4 + 2 Br + SO2 + 2 H2O
Ca(ClO)2 + NaI + HCl = I2 + CaCl2 + NaCl + H2O =>
Ca(ClO)2 + 4 NaI + 4 HCl = 2 I2 + CaCl2 + 4 NaCl + 2 H2O
Al2(SO4)3 + Zn(CH3COO)2 = ZnSO4 + Al(CH3COO)3 =>
Al2(SO4)3 + 3 Zn(CH3COO)2 = 3 ZnSO4 + 2 Al(CH3COO)3
Ca + AlCl3 = CaCl2 + Al =>
3 Ca + 2 AlCl3 = 3 CaCl2 + 2 Al
Mg(s) + KNO3(aq) = K(s) + Mg3(NO3)2 =>
3 Mg(s) + 2 KNO3(aq) = 2 K(s) + Mg3(NO3)2
Al(OH)3 + HBr = AlBr3 + H2O =>
Al(OH)3 + 3 HBr = AlBr3 + 3 H2O
Ca + HCl = CaCl2 + H2 =>
Ca + 2 HCl = CaCl2 + H2
H2TeO4 + Fe(OH)3 = Fe(HTeO4)3 + H2O =>
3 H2TeO4 + Fe(OH)3 = Fe(HTeO4)3 + 3 H2O
H2(g) + CuCl2(aq) = H2Cl2 + Cu =>
H2(g) + CuCl2(aq) = H2Cl2 + Cu
H3PO4 = H4P2O7 + H2O =>
2 H3PO4 = H4P2O7 + H2O
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
ZnCl2() + MgBr2() = ZnBr2() + MgCl2() =>
ZnCl2() + MgBr2() = ZnBr2() + MgCl2()
Al(OH)3 + HC2H3O2 = Al(C2H3O2)3 + H2O =>
Al(OH)3 + 3 HC2H3O2 = Al(C2H3O2)3 + 3 H2O
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
CH3COOH + Fe2O3 = H2O + Fe + CO2 =>
3 CH3COOH + 4 Fe2O3 = 6 H2O + 8 Fe + 6 CO2
CuFeS2(l) + O2(g) = Cu2S(s) + FeO(s) + SO2(g) =>
2 CuFeS2(l) + 4 O2(g) = Cu2S(s) + 2 FeO(s) + 3 SO2(g)
NaCl + PbCrO4 = PbCl2 + Na2CrO4 =>
2 NaCl + PbCrO4 = PbCl2 + Na2CrO4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
(CH3)2O + O2 = CO2 + H2O =>
(CH3)2O + 3 O2 = 2 CO2 + 3 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
ClO + BaOH2 = BaCl2 + H2O + O2 =>
2 ClO + BaOH2 = BaCl2 + H2O + O2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C4H10O + K2Cr2O7 + H2SO4 = CO2 + Cr2(SO4)3 + K2SO4 + H2O =>
C4H10O + 4 K2Cr2O7 + 16 H2SO4 = 4 CO2 + 4 Cr2(SO4)3 + 4 K2SO4 + 21 H2O
NH4OH + HI = NH4I + HOH =>
NH4OH + HI = NH4I + HOH
AgCl + NO3 = AgNO3 + Cl2 =>
2 AgCl + 2 NO3 = 2 AgNO3 + Cl2
H{+} + Cr2O7{2-} + C2H5OH = Cr{3+} + CH3COOH + HOH =>
16 H{+} + 2 Cr2O7{2-} + 3 C2H5OH = 4 Cr{3+} + 3 CH3COOH + 11 HOH
FeSO4 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + H2O + K2SO4 + CrSO4 =>
8 FeSO4 + K2Cr2O7 + 7 H2SO4 = 4 Fe2(SO4)3 + 7 H2O + K2SO4 + 2 CrSO4
Al2O3 + H2O + NaOH = NaAl(OH)4 =>
Al2O3 + 3 H2O + 2 NaOH = 2 NaAl(OH)4
Na2C2O4 + H2SO4 + KMnO4 = K2SO4 + Na2SO4 + MnSO4 + H2O + CO2 =>
5 Na2C2O4 + 8 H2SO4 + 2 KMnO4 = K2SO4 + 5 Na2SO4 + 2 MnSO4 + 8 H2O + 10 CO2
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
K2CO3 + AlCl3 = Al2(CO3)3 + KCl =>
3 K2CO3 + 2 AlCl3 = Al2(CO3)3 + 6 KCl
M + H2SO4 = SO2 + MSO4 + H2O =>
M + 2 H2SO4 = SO2 + MSO4 + 2 H2O
HNO + NaOH = NaNOH2O =>
HNO + NaOH = NaNOH2O
Cs + H2SO4 = Cs2SO4 + H2 =>
2 Cs + H2SO4 = Cs2SO4 + H2
HgNO32 = Hg + NO2 + O2 =>
HgNO32 = Hg + NO2 + 15 O2
LiOH + H2CO3 = Li2CO3 + HOH =>
2 LiOH + H2CO3 = Li2CO3 + 2 HOH
Fe + HNO3 + H2SO4 = FeSO4 + N2O + H2O =>
4 Fe + 2 HNO3 + 4 H2SO4 = 4 FeSO4 + N2O + 5 H2O
Li + PO4 = Li3PO4 =>
3 Li + PO4 = Li3PO4
Al4C3 + H2O = Al(OH)3 + CH4 =>
Al4C3 + 12 H2O = 4 Al(OH)3 + 3 CH4
Ca(OH)2 + (NH4)2CrO4 = CaCrO4 + NH4OH =>
Ca(OH)2 + (NH4)2CrO4 = CaCrO4 + 2 NH4OH
NaNO2 + NaNO3 + H2O = NaOH + NO2 =>
NaNO2 + NaNO3 + H2O = 2 NaOH + 2 NO2
Zn(s) + Cu(No3)2(aq) = Cu(s) + Zn(No3)2(aq) =>
Zn(s) + Cu(No3)2(aq) = Cu(s) + Zn(No3)2(aq)
CoCl2 = Co + Cl2 =>
CoCl2 = Co + Cl2
C10H12NClO + C4H11N = C14H22N2O + HCl =>
C10H12NClO + C4H11N = C14H22N2O + HCl
AlCl3 + H2SO4 = Al2(SO4)3 + HCl =>
2 AlCl3 + 3 H2SO4 = Al2(SO4)3 + 6 HCl
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Équations équilibrées sur12/10/24
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