| Équations équilibrées la veille | Équations équilibrées le lendemain |
K2Cr2O3 + H2SO4 = K2SO4 + 2 Cr + H2O + O2
PbS + HNO3 = NO + S + Pb(NO3)2 + H2O =>
3 PbS + 8 HNO3 = 2 NO + 3 S + 3 Pb(NO3)2 + 4 H2O
HClO3 + Al = H2 + Al(ClO3)3 =>
6 HClO3 + 2 Al = 3 H2 + 2 Al(ClO3)3
Fe{+2} + MnO4{-} + H{+} = Fe{+3} + Mn{2} + H2O =>
5 Fe{+2} + MnO4{-} + 8 H{+} = 5 Fe{+3} + Mn{2} + 4 H2O
AgNo{3} + Cu = CuNo{3} + Ag =>
AgNo{3} + Cu = CuNo{3} + Ag
Cr(CH3COO)3 + CoSO4 = Co(CH3COO)2 + Cr2(SO4)3 =>
2 Cr(CH3COO)3 + 3 CoSO4 = 3 Co(CH3COO)2 + Cr2(SO4)3
Ni(CH3COO)2 + NaOH = Ni(OH)2 + Na + CH3COO =>
Ni(CH3COO)2 + 2 NaOH = Ni(OH)2 + 2 Na + 2 CH3COO
MgSO4 + H2 = Mg + H2SO4 =>
MgSO4 + H2 = Mg + H2SO4
Fe(s) + NaOH(aq) = Fe(OH)3 + Na =>
Fe(s) + 3 NaOH(aq) = Fe(OH)3 + 3 Na
Sn3(OH)4 = Sn3O2 + H2O =>
Sn3(OH)4 = Sn3O2 + 2 H2O
Zn(CH3COO)2 + Na2S2O3 + H2O = ZnS + NaCH3COO + SO2 + NaOH =>
2 Zn(CH3COO)2 + 3 Na2S2O3 + H2O = 2 ZnS + 4 NaCH3COO + 4 SO2 + 2 NaOH
O2 + C5H12O2 = C5O2 + H2O =>
3 O2 + C5H12O2 = C5O2 + 6 H2O
SCl2 + H2O = SO + HCl =>
SCl2 + H2O = SO + 2 HCl
C6H12O6 = C2H5OH + CO2 =>
C6H12O6 = 2 C2H5OH + 2 CO2
P(OH)2 + NaOH = Na2PO2 + H2O =>
P(OH)2 + 2 NaOH = Na2PO2 + 2 H2O
Cu(HCO3)2 + HCl = CO2 + H2O + CuCl2 =>
Cu(HCO3)2 + 2 HCl = 2 CO2 + 2 H2O + CuCl2
AsH3 + HgBr2 = AsH2HgBr + HBr =>
AsH3 + HgBr2 = AsH2HgBr + HBr
Na2CS3 + HCl = CS2 + NaCl + H2S =>
Na2CS3 + 2 HCl = CS2 + 2 NaCl + H2S
Rb(s) + Cl2(s) = RbCl(aq) =>
2 Rb(s) + Cl2(s) = 2 RbCl(aq)
H3PO2 + HNO3 = H3PO3 + NO + H2O =>
3 H3PO2 + 2 HNO3 = 3 H3PO3 + 2 NO + H2O
NH3 + O2 = H2O + NO3{-} + H{+} =>
NH3 + 2 O2 = H2O + NO3{-} + H{+}
Ba + Na3N = Na + Ba3N2 =>
3 Ba + 2 Na3N = 6 Na + Ba3N2
Ca(HCO3)2*H2O = Ca(HCO3)2 + H2O =>
Ca(HCO3)2*H2O = Ca(HCO3)2 + H2O
Ta + HF + HNO3 = H2[TaF8] + NO2 + H2O =>
Ta + 8 HF + 6 HNO3 = H2[TaF8] + 6 NO2 + 6 H2O
Zn(OH)2 + CaO = CaZnO2 + H2O =>
Zn(OH)2 + CaO = CaZnO2 + H2O
C6H5OH + NaSO3H = C6H5OHSO3H + Na =>
C6H5OH + NaSO3H = C6H5OHSO3H + Na
H2PdCl4 + Zn = Pd + ZnCl2 + H =>
H2PdCl4 + 2 Zn = Pd + 2 ZnCl2 + 2 H
K2Cr2O7 + H2C2O4 + H2O = K[Cr(C2O4)2(H2O)2]*2H2O + CO2 =>
K2Cr2O7 + 7 H2C2O4 + H2O = 2 K[Cr(C2O4)2(H2O)2]*2H2O + 6 CO2
C9H8O4 + HNO3 = C6H3N3O7 + CH3COOH + CO2 =>
7 C9H8O4 + 15 HNO3 = 5 C6H3N3O7 + 14 CH3COOH + 5 CO2
SO2 + Ca{2+} + OH{-} = CaSO3 + H2O =>
SO2 + Ca{2+} + 2 OH{-} = CaSO3 + H2O
Ca(OH)2 + NaHCO3 = CaCO3 + H2O + Na2CO3 =>
Ca(OH)2 + 2 NaHCO3 = CaCO3 + 2 H2O + Na2CO3
Na2MnO4 + HNO3 = HMnO4 + NO2 + H2O + NaNO3 =>
Na2MnO4 + 3 HNO3 = HMnO4 + NO2 + H2O + 2 NaNO3
NaCl(l) + KBr(l) = KCl(l) + NaBr(l) =>
NaCl(l) + KBr(l) = KCl(l) + NaBr(l)
Hg2(aq) + Cl(aq) = HgCl2(s) =>
Hg2(aq) + 4 Cl(aq) = 2 HgCl2(s)
K2Cr2O7 + KI + H2O + KCl = KOH + CrCl3 + I2 =>
K2Cr2O7 + 6 KI + 7 H2O + 6 KCl = 14 KOH + 2 CrCl3 + 3 I2
HgSO4*5H2O = HgSO4 + H2O =>
HgSO4*5H2O = HgSO4 + 5 H2O
Br2 + P = P2Br4 =>
2 Br2 + 2 P = P2Br4
Ca(CH3COO2)2 + Na3PO4 = Na(CH3COO2) + Ca3(PO4)2 =>
3 Ca(CH3COO2)2 + 2 Na3PO4 = 6 Na(CH3COO2) + Ca3(PO4)2
FeCl3 + CH3COONa + C2H4(OH)2 = Fe3O4 + NaCl + CH3COOC2H4 + H2O =>
3 FeCl3 + 9 CH3COONa + 29 C2H4(OH)2 = Fe3O4 + 9 NaCl + 19 CH3COOC2H4 + 34 H2O
H2SeO2 + Zn(OH)2 = Zn(SeO2) + H2O =>
H2SeO2 + Zn(OH)2 = Zn(SeO2) + 2 H2O
NaIO3 + Cr(OH)3 + KOH = NaI + K2CrO4 + H2O =>
NaIO3 + 2 Cr(OH)3 + 4 KOH = NaI + 2 K2CrO4 + 5 H2O
Al(Cl)3 + NaOH = Al(OH)3 + NaCl =>
Al(Cl)3 + 3 NaOH = Al(OH)3 + 3 NaCl
Cu(s) + HgCl2(aq) = Hg + CuCl2(aq) =>
Cu(s) + HgCl2(aq) = Hg + CuCl2(aq)
Zn(OH)2 + OH{-} = Zn(OH)4{-2} =>
Zn(OH)2 + 2 OH{-} = Zn(OH)4{-2}
AgIO3 + S8 + H2O = Ag + H2SO4 + I2 =>
8 AgIO3 + S8 + 8 H2O = 8 Ag + 8 H2SO4 + 4 I2
HNO2 + (NH4)2CO3 = (NH4)NO2 + H2CO3 =>
2 HNO2 + (NH4)2CO3 = 2(NH4)NO2 + H2CO3
Na2S(aq) + CdSO4(aq) = Na2SO4 + CdS =>
Na2S(aq) + CdSO4(aq) = Na2SO4 + CdS
SrBr2 + Zn(BaO)2 + HO = Sr(OH)2 + ZnBr2 + HBaO2 =>
SrBr2 + Zn(BaO)2 + 4 HO = Sr(OH)2 + ZnBr2 + 2 HBaO2
NaOH + Al = AlNa + OH =>
NaOH + Al = AlNa + OH
C2H5Cl + NaPb = (C2H5)4Pb + NaCl + Pb =>
4 C2H5Cl + 4 NaPb = (C2H5)4Pb + 4 NaCl + 3 Pb
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/07/25
Équations équilibrées sur04/06/24
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