| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cr2(SO4)3 + 3 Na2CO3 + 3 H2O = 3 Na2SO4 + 2 Cr(OH)3 + 3 CO2
Cr(NO3)3*9H2O + NH4 = Cr(OH)3 + H2O + NH4NO3 =>
10 Cr(NO3)3*9H2O + 24 NH4 = 10 Cr(OH)3 + 69 H2O + 27 NH4NO3
BaSO4 + HCl = BaCl2 + H2SO4 =>
BaSO4 + 2 HCl = BaCl2 + H2SO4
CH4 + Cl2 = CHCl2 + HCl =>
2 CH4 + 5 Cl2 = 2 CHCl2 + 6 HCl
H2MnO3 + NaOH = Na2MnO3 + H2O =>
H2MnO3 + 2 NaOH = Na2MnO3 + 2 H2O
Ni + H2 = NiH =>
2 Ni + H2 = 2 NiH
KI + KMnO4 + HCl = I2(s) + MnCl2 + H2O + KCl =>
10 KI + 2 KMnO4 + 16 HCl = 5 I2(s) + 2 MnCl2 + 8 H2O + 12 KCl
K2Cr2O7 + H2SO4 + C2H5OH + H2O = KCr(SO4)2*12H2O + CO2 =>
2 K2Cr2O7 + 8 H2SO4 + C2H5OH + 37 H2O = 4 KCr(SO4)2*12H2O + 2 CO2
KMnO4 + KBr + H2O = MnO2 + Br1 + KOH =>
KMnO4 + 3 KBr + 2 H2O = MnO2 + 3 Br1 + 4 KOH
Au2CO3 = Au + CO2 + O2 =>
2 Au2CO3 = 4 Au + 2 CO2 + O2
Mg(s) + NiSO4(aq) = MgSO4 + Ni =>
Mg(s) + NiSO4(aq) = MgSO4 + Ni
Li + FePO4 = Fe + Li3PO4 =>
3 Li + FePO4 = Fe + Li3PO4
K2Cr2O7 + HI + HClO4 = CrCl3 + I2 + KClO4 + H2O =>
K2Cr2O7 + 54 HI + 8 HClO4 = 2 CrCl3 + 27 I2 + 2 KClO4 + 31 H2O
H3PO4(aq) + MgCO3(s) = Mg3(PO4)2(s) + H2O(l) + CO2(s) =>
2 H3PO4(aq) + 3 MgCO3(s) = Mg3(PO4)2(s) + 3 H2O(l) + 3 CO2(s)
FeO + C = Fe + CO2 =>
2 FeO + C = 2 Fe + CO2
Ag + Au(No3)2 = AgNo3 + Au =>
2 Ag + Au(No3)2 = 2 AgNo3 + Au
Al + ClH9 = AlCl3 + H2 =>
2 Al + 6 ClH9 = 2 AlCl3 + 27 H2
OC3H8O + O2 = CO2 + H2O =>
OC3H8O + 4 O2 = 3 CO2 + 4 H2O
C4H6O4 + HCl = C4OHCl + H2O =>
C4H6O4 + HCl = C4OHCl + 3 H2O
HCl + Na2 = NaCl + H2 =>
2 HCl + Na2 = 2 NaCl + H2
Pb(NO3)2(aq) + AlBr3(aq) = PbBr2(s) + Al(NO3)3(aq) =>
3 Pb(NO3)2(aq) + 2 AlBr3(aq) = 3 PbBr2(s) + 2 Al(NO3)3(aq)
NaAsO3 = As2O5 + Na2O =>
2 NaAsO3 = As2O5 + Na2O
FeO + C = Fe + CO2 =>
2 FeO + C = 2 Fe + CO2
H2SO4 + Cu(HCO3)2 = CuSO4 + H2O + CO2 =>
H2SO4 + Cu(HCO3)2 = CuSO4 + 2 H2O + 2 CO2
HNO2 + H{+} + CrO7{2-} = NO3{-} + Cr{3+} + H2O =>
9 HNO2 + H{+} + 2 CrO7{2-} = 9 NO3{-} + 2 Cr{3+} + 5 H2O
Mg + Ca{+2} = Mg{+2} + Ca =>
Mg + Ca{+2} = Mg{+2} + Ca
H2O + C18H34O3 + NaOH = C10H17O4Na + C8H18O =>
13 H2O + 20 C18H34O3 + 16 NaOH = 16 C10H17O4Na + 25 C8H18O
CH2OHCH2CH2OH + KMnO4 + H2SO4 = COOHCH2COOH + K2SO4 + MnSO4 + H2O =>
5 CH2OHCH2CH2OH + 8 KMnO4 + 12 H2SO4 = 5 COOHCH2COOH + 4 K2SO4 + 8 MnSO4 + 22 H2O
Pb3O4 + KI + H2SO4 = Pb + K2SO4 + H2O + I2 =>
Pb3O4 + 8 KI + 4 H2SO4 = 3 Pb + 4 K2SO4 + 4 H2O + 4 I2
Al4 + Cl2 = AlCl3 =>
Al4 + 6 Cl2 = 4 AlCl3
HNO3 + AsO3 + H2O = H3AsO4 + NO4 =>
HNO3 + 3 AsO3 + 4 H2O = 3 H3AsO4 + NO4
Na2Zn(OH)4 + H2S = ZnS + Na2S + H2O =>
Na2Zn(OH)4 + 2 H2S = ZnS + Na2S + 4 H2O
NaOH + C6H6O2 = H2O + Na + C6H4O2 =>
2 NaOH + C6H6O2 = 2 H2O + 2 Na + C6H4O2
Zn + Cu(NO3)2 = Cu(NO3)2Zn =>
Zn + Cu(NO3)2 = Cu(NO3)2Zn
HNO3 + NO = H2O(l) + NO2 =>
2 HNO3 + NO = H2O(l) + 3 NO2
CsOH + (NH4)2CO3 = Cs2CO3 + NH3 + H2O =>
2 CsOH + (NH4)2CO3 = Cs2CO3 + 2 NH3 + 2 H2O
XNH4Cl + XN2H4 = XNH3 + XN2H5Cl =>
XNH4Cl + XN2H4 = XNH3 + XN2H5Cl
Cr + CN = Cr(CN)2 =>
Cr + 2 CN = Cr(CN)2
(NH4)2Co3 + ZnSO4 = (NH4)2SO4 + ZnCo3 =>
(NH4)2Co3 + ZnSO4 = (NH4)2SO4 + ZnCo3
CH3CO2H + NaOH = CH3CO2OH + NaH =>
CH3CO2H + NaOH = CH3CO2OH + NaH
AgOH + CH3CH2COOH = Ag(CH3) + CO2 + H2O =>
7 AgOH + 4 CH3CH2COOH = 7 Ag(CH3) + 5 CO2 + 5 H2O
PBr3 + H2O = H3PO3 + HBr =>
PBr3 + 3 H2O = H3PO3 + 3 HBr
KMnO4 + C4H8O2 = Mn(C5H7O2)3 + CO2 + H2O + KOH =>
5 KMnO4 + 19 C4H8O2 = 5 Mn(C5H7O2)3 + CO2 + 21 H2O + 5 KOH
C10H15NO2 + H2O + KCl + N2 = C10H15N + HCl + KNO3 =>
5 C10H15NO2 + 2 H2O + 4 KCl + 2 N2 = 5 C10H15N + 4 HCl + 4 KNO3
CsOH + (NH4)2CO3 = Cs2CO3 + NH3 + H2O =>
2 CsOH + (NH4)2CO3 = Cs2CO3 + 2 NH3 + 2 H2O
H(MnO4) + Ca(OH)2 = H(OH) + Ca(MnO4)2 =>
2 H(MnO4) + Ca(OH)2 = 2 H(OH) + Ca(MnO4)2
LaNi5 + N2 = LaN + Ni =>
2 LaNi5 + N2 = 2 LaN + 10 Ni
Ce(OH)4 + H2SO4 = Ce(SO4)2 + H2O =>
Ce(OH)4 + 2 H2SO4 = Ce(SO4)2 + 4 H2O
Al2O3 + Hg = Al2 + HgO =>
Al2O3 + 3 Hg = Al2 + 3 HgO
ZnSO4 + NH4OH = (Zn(NH3)4)(OH)2 + (NH4)2SO4 + H2O =>
ZnSO4 + 6 NH4OH = (Zn(NH3)4)(OH)2 + (NH4)2SO4 + 4 H2O
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Équations équilibrées sur04/21/25
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