| Équations équilibrées la veille |
Pb(NO3)2 + K2SO4 = PbSO4 + 2 KNO3
K2SiO3 + Pb(NO3)2 = KNO3 + PbSiO3 =>
K2SiO3 + Pb(NO3)2 = 2 KNO3 + PbSiO3
Al(CH3COO)3 + LiOH = Al(OH)3 + Li(CH3COO) =>
Al(CH3COO)3 + 3 LiOH = Al(OH)3 + 3 Li(CH3COO)
Zn(s) + Pb(NO3)2(aq) = Pb(s) + Zn(NO3)2(aq) =>
Zn(s) + Pb(NO3)2(aq) = Pb(s) + Zn(NO3)2(aq)
BaCl2 + Cs2SO4 = BaSO4 + CsCl =>
BaCl2 + Cs2SO4 = BaSO4 + 2 CsCl
PB(No3)2 + Na2CrO4 = NaNo3 + PBCrO4 =>
PB(No3)2 + Na2CrO4 = 2 NaNo3 + PBCrO4
Fe(NO3)2 + NH4OH = Fe(OH)2 + NH4NO3 =>
Fe(NO3)2 + 2 NH4OH = Fe(OH)2 + 2 NH4NO3
Al2(SO4)3 + Hg(C2H3O2)2 = Al(C2H3O2)3 + HgSO4 =>
Al2(SO4)3 + 3 Hg(C2H3O2)2 = 2 Al(C2H3O2)3 + 3 HgSO4
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
KCr2O7 + H2SO4 + Zn = ZnSO4 + K2SO4 + H2O + Cr(SO4)3 =>
2 KCr2O7 + 14 H2SO4 + Zn = ZnSO4 + K2SO4 + 14 H2O + 4 Cr(SO4)3
Ke2Coe3 = Ke2 + Coe3 =>
Ke2Coe3 = Ke2 + Coe3
HgO + CO = Hg2CO3 =>
2 HgO + CO = Hg2CO3
CrF2 + F2 = CrF4 =>
CrF2 + F2 = CrF4
LiPO4 + Ca(OH)2 = LiOH + Ca(PO4)2 =>
2 LiPO4 + Ca(OH)2 = 2 LiOH + Ca(PO4)2
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
CH4 + Br2 = CH3Br*HBr =>
CH4 + Br2 = CH3Br*HBr
Zn(s) + AgNO3(aw) = Zn(NO3)2(aw) + Ag(s) =>
Zn(s) + 2 AgNO3(aw) = Zn(NO3)2(aw) + 2 Ag(s)
Na2O + C = CO + Na =>
Na2O + C = CO + 2 Na
Na2B4O7 + H2O = HBO2 + NaOH =>
Na2B4O7 + 3 H2O = 4 HBO2 + 2 NaOH
HCl + Ca3N2 = CaCl2 + H3N =>
6 HCl + Ca3N2 = 3 CaCl2 + 2 H3N
Fe(s) + AgNO3(g) = Ag(s) + Fe(NO3)3(aq) =>
Fe(s) + 3 AgNO3(g) = 3 Ag(s) + Fe(NO3)3(aq)
CaI2 + Pb3(PO4)2 = Ca3(PO4)2 + PbI2 =>
3 CaI2 + Pb3(PO4)2 = Ca3(PO4)2 + 3 PbI2
[Cu(NH3)4]SO4 + Na2S = CuS + Na2SO4 + NH3 =>
[Cu(NH3)4]SO4 + Na2S = CuS + Na2SO4 + 4 NH3
Fl + NaBr = NaFl + Br =>
Fl + NaBr = NaFl + Br
Co(s) + H{+}(aq) = Co{2+}(aq) + H2(g) =>
Co(s) + 2 H{+}(aq) = Co{2+}(aq) + H2(g)
KMnO4 = K2MnO4 + MnO + O2 =>
4 KMnO4 = 2 K2MnO4 + 2 MnO + 3 O2
CuBr + Ag2SO4 = CuSO4 + Ag2Br =>
CuBr + Ag2SO4 = CuSO4 + Ag2Br
C6H10 + KMnO4 + H2O = C6H12O4 + KOH + MnO2 =>
C6H10 + 2 KMnO4 + 2 H2O = C6H12O4 + 2 KOH + 2 MnO2
Na2O + CO3 = Na2CO4 =>
Na2O + CO3 = Na2CO4
K2O + Al2O3 + SiO2 = KAlSi3O8 =>
K2O + Al2O3 + 6 SiO2 = 2 KAlSi3O8
H2SO4 + BaCl2 = BaSO4 + HCl =>
H2SO4 + BaCl2 = BaSO4 + 2 HCl
Al2SO4 + K2CO3 = K2SO4 + Al2CO3 =>
Al2SO4 + K2CO3 = K2SO4 + Al2CO3
H2SO4 + Mg = H2 + MgSO4 =>
H2SO4 + Mg = H2 + MgSO4
CH2CH2 + K2Cr2O7 + H2O = CH2OHCH2OH + Cr2O3 + KOH =>
3 CH2CH2 + K2Cr2O7 + 4 H2O = 3 CH2OHCH2OH + Cr2O3 + 2 KOH
C6H5CHO + K2Cr2O7 + H2SO4 = C6H5COOH + Cr2(SO4)3 + K2SO4 + H2O =>
3 C6H5CHO + K2Cr2O7 + 4 H2SO4 = 3 C6H5COOH + Cr2(SO4)3 + K2SO4 + 4 H2O
SiO2(s) + HF(l) = SiF4(g) + H2O =>
SiO2(s) + 4 HF(l) = SiF4(g) + 2 H2O
CrOH3 + NaOH + H2O2 = Na2CrO4 + H2O =>
2 CrOH3 + 4 NaOH + 7 H2O2 = 2 Na2CrO4 + 12 H2O
Al + Na2CO3 + H2O = NaAlO2 + H2 + CO2 =>
2 Al + Na2CO3 + 3 H2O = 2 NaAlO2 + 3 H2 + CO2
Ag + HNO3 = AgNO3 + NO + H2O =>
3 Ag + 4 HNO3 = 3 AgNO3 + NO + 2 H2O
FeSO4 + NH3H2O = Fe(OH)2 + (NH4)2SO4 =>
FeSO4 + 2 NH3H2O = Fe(OH)2 + (NH4)2SO4
CH3CHO + CH3COOH = CH3COOCH3 =>
2 CH3CHO + CH3COOH = 2 CH3COOCH3
Sn + O2 = Sn2O6 =>
2 Sn + 3 O2 = Sn2O6
NaHS + H2SO4 = Na2SO4 + H2S =>
2 NaHS + H2SO4 = Na2SO4 + 2 H2S
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
CH4 + CO = C2H4 + CO2 =>
CH4 + 2 CO = C2H4 + CO2
NH4OH + KAl(SO4)2*H2O = Al(OH)3 + (NH4)2SO4 + KOH + H2O =>
4 NH4OH + KAl(SO4)2*H2O = Al(OH)3 + 2(NH4)2SO4 + KOH + H2O
H + NO = HOH + N =>
2 H + NO = HOH + N
FeSO4 + Al(NO3)3 + H2SO4 = Fe2(SO4)3 + Al2(SO4)3 + H2O + NO =>
18 FeSO4 + 2 Al(NO3)3 + 12 H2SO4 = 9 Fe2(SO4)3 + Al2(SO4)3 + 12 H2O + 6 NO
Cl2 + Be + Ba(OH)2 = BaCl2 + BeO + H2O =>
Cl2 + Be + Ba(OH)2 = BaCl2 + BeO + H2O
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