| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 O{2-} = O2 + 4e
Na2S + Cl2 + H2O = Na2SO3 + HCl =>
Na2S + 3 Cl2 + 3 H2O = Na2SO3 + 6 HCl
NaCl + S = NaClS =>
NaCl + S = NaClS
Na + CO2 = Na2O + CO =>
2 Na + CO2 = Na2O + CO
CH3CHO + H2O = CH3COO + H3O =>
CH3CHO + 4 H2O = CH3COO + 3 H3O
C7H5N3O6 + C4H6N4O12 = CO2 + N2 + H2O =>
2 C7H5N3O6 + 21 C4H6N4O12 = 98 CO2 + 45 N2 + 68 H2O
CsI(aq) + Cl2(aq) = CsCl(aq) + I2(aq) =>
2 CsI(aq) + Cl2(aq) = 2 CsCl(aq) + I2(aq)
Cu(NH3)4SO4 + H2SO4 + H2O = [Cu(H2O)6]SO4 + (NH4)2SO4 =>
Cu(NH3)4SO4 + 2 H2SO4 + 6 H2O = [Cu(H2O)6]SO4 + 2(NH4)2SO4
CoSO4 + H2O2 + CsOH = Co(OH)3 + CsSO4 =>
CoSO4 + H2O2 + CsOH = Co(OH)3 + CsSO4
Fe(OH)3 + KSCN = Fe(SCN)6(OH)3 + K =>
Fe(OH)3 + 6 KSCN = Fe(SCN)6(OH)3 + 6 K
BeO + KOH = K2BeO2 + H2O =>
BeO + 2 KOH = K2BeO2 + H2O
Na2S(s) + HCl(aq) = NaCl(aq) + H2S(g) =>
Na2S(s) + 2 HCl(aq) = 2 NaCl(aq) + H2S(g)
S2F10 = SF4 + SF6 =>
S2F10 = SF4 + SF6
CaMg(CO3)2 + SiO2 + H2O = Ca2Mg5(Si8O22)(OH)2 + CaCO3 + CO2 =>
5 CaMg(CO3)2 + 8 SiO2 + H2O = Ca2Mg5(Si8O22)(OH)2 + 3 CaCO3 + 7 CO2
NO2 + O2 + H2O = HNO3 =>
4 NO2 + O2 + 2 H2O = 4 HNO3
Be(OH)2 + KOH = K2BeO2 + H2O =>
Be(OH)2 + 2 KOH = K2BeO2 + 2 H2O
Ca(ClO3)2(S) = CaCl2(S) + O2(g) =>
Ca(ClO3)2(S) = CaCl2(S) + 3 O2(g)
HCO3 = H + CO3 =>
HCO3 = H + CO3
AgO + CH4 = Ag + CO2 + H2O =>
4 AgO + CH4 = 4 Ag + CO2 + 2 H2O
Na(s) + Cl(g) = NaCl(s) =>
Na(s) + Cl(g) = NaCl(s)
MgO2CO + HCl = ClMgCl + H2O + CO2 =>
MgO2CO + 2 HCl = ClMgCl + H2O + CO2
K2SO3 + CaCl2 = KCl + CaSO3 =>
K2SO3 + CaCl2 = 2 KCl + CaSO3
I + OH = IO + H2O =>
I + 2 OH = IO + H2O
HCOOH + ZnCO3 = (HCOOH)2Zn + CO2 + H2O =>
3 HCOOH + ZnCO3 = (HCOOH)2Zn + 2 CO2 + H2O
AgNo3(aq) + CaCl2(aq) = AgCl(s) + Ca(No3)2(aq) =>
2 AgNo3(aq) + CaCl2(aq) = 2 AgCl(s) + Ca(No3)2(aq)
Cu(s) + AgNO3(l) = Cu(NO3)2(aq) + Ag(s) =>
Cu(s) + 2 AgNO3(l) = Cu(NO3)2(aq) + 2 Ag(s)
HgO(heated) = Hg + O =>
HgO(heated) = Hg + O
HCl + NaHCO3(aq) = NaCl(aq) + H2O(l) + CO2(g) =>
HCl + NaHCO3(aq) = NaCl(aq) + H2O(l) + CO2(g)
Mg(s) + HCl = H2 + MgCl2 =>
Mg(s) + 2 HCl = H2 + MgCl2
NO2 + C3H8 = N2 + CO2 + H2O =>
10 NO2 + 2 C3H8 = 5 N2 + 6 CO2 + 8 H2O
C8H18 + H2 = C4H10 =>
C8H18 + H2 = 2 C4H10
Fe + C13 = FeC12 =>
13 Fe + 12 C13 = 13 FeC12
K2TiO3 + HCl = H2TiO3 + KCl =>
K2TiO3 + 2 HCl = H2TiO3 + 2 KCl
HN2 + O2 = NO + H2O =>
4 HN2 + 5 O2 = 8 NO + 2 H2O
BaCO3(aq) = BaO(aq) + CO2(g) =>
BaCO3(aq) = BaO(aq) + CO2(g)
MgCl2(aq) + Na3PO4(aq) = Mg3(PO4)2(s) + NaCl(aq) =>
3 MgCl2(aq) + 2 Na3PO4(aq) = Mg3(PO4)2(s) + 6 NaCl(aq)
H2CO3 + O2 = H2O + CO3 =>
2 H2CO3 + O2 = 2 H2O + 2 CO3
Mn(NO3)2 + H2O = Mn(OH)2 + HNO3 =>
Mn(NO3)2 + 2 H2O = Mn(OH)2 + 2 HNO3
Cu(s) + AgNO3(l) = Cu(NO3)2(l) + Ag(s) =>
Cu(s) + 2 AgNO3(l) = Cu(NO3)2(l) + 2 Ag(s)
NaAlO2 + Na2SiO3 + H2O = Na2Al2Si2O8 + NaOH =>
2 NaAlO2 + 2 Na2SiO3 + 2 H2O = Na2Al2Si2O8 + 4 NaOH
C3H7COOH = CO2 + C3H8 =>
C3H7COOH = CO2 + C3H8
H3PO4 + N2H8MoO4 + HNO3 = N3H12PO4*12MoO3 + NH4NO3 + H2O =>
H3PO4 + 12 N2H8MoO4 + 21 HNO3 = N3H12PO4*12MoO3 + 21 NH4NO3 + 12 H2O
Cu(NH3)4(OH)2 + HCl = Cu(OH)2 + NH4Cl =>
Cu(NH3)4(OH)2 + 4 HCl = Cu(OH)2 + 4 NH4Cl
As2S5 + NO3{-} + H2O = AsO4{-3} + SO4{-2} + NO + H3O{+} =>
3 As2S5 + 40 NO3{-} + 12 H2O = 6 AsO4{-3} + 15 SO4{-2} + 40 NO + 8 H3O{+}
HNO2 + Ba = Ba(NO2)2 + H2 =>
2 HNO2 + Ba = Ba(NO2)2 + H2
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
Pb(N3)2 + Cr(MnO4)2 = Cr2O3 + MnO2 + Pb3O4 + NO =>
15 Pb(N3)2 + 44 Cr(MnO4)2 = 22 Cr2O3 + 88 MnO2 + 5 Pb3O4 + 90 NO
Cu(NO3)2 + NaOH = Cu(OH)2 + NO3Na =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NO3Na
K2(CD(CN)4) + S = K2S + (CD(CN)4) =>
K2(CD(CN)4) + S = K2S + (CD(CN)4)
C3H18 + O18 = CO2 + H2O =>
6 C3H18 + 5 O18 = 18 CO2 + 54 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/26/24
Équations équilibrées sur11/25/23
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