| Équations équilibrées la veille |
2(H)2(O)2 = 2(H)2(O) + O2
CuCl2 + Na2S = CuNa2 + SCl2 =>
CuCl2 + Na2S = CuNa2 + SCl2
K2S2O8 + NaI = K2I + NaS2O8 =>
K2S2O8 + NaI = K2I + NaS2O8
SiF4(s) + H2O(l) = H2SiF6(ac) + H2SiO3(s) =>
3 SiF4(s) + 3 H2O(l) = 2 H2SiF6(ac) + H2SiO3(s)
Gd2O3 + NiO + KClO3 = GdNiO3 + KCl =>
3 Gd2O3 + 6 NiO + KClO3 = 6 GdNiO3 + KCl
KI + Cl2 = KCl + I2 =>
2 KI + Cl2 = 2 KCl + I2
Na2S2O8 + KI + H2O = KIO3 + Na2SO4 + H2S =>
3 Na2S2O8 + 5 KI + 3 H2O = 5 KIO3 + 3 Na2SO4 + 3 H2S
SeCI2 + O2 = SeO2 + CI2 =>
SeCI2 + O2 = SeO2 + CI2
AlCl3 + H2S = AlCl2 + HCl + S =>
2 AlCl3 + H2S = 2 AlCl2 + 2 HCl + S
HF + Na3PO4 = HPO4 + Na3F =>
HF + Na3PO4 = HPO4 + Na3F
O3 + PbS = PbO + S =>
O3 + 3 PbS = 3 PbO + 3 S
NaOH + KCI = NaCI + KOH =>
NaOH + KCI = NaCI + KOH
KC2H3O2(aq)HCl(aq) = HC2H3O2(aq)KCl(s) =>
KC2H3O2(aq)HCl(aq) = HC2H3O2(aq)KCl(s)
CH3COO + CaCO3 = CH3COOCa + CO2 + H2O =>
9 CH3COO + 7 CaCO3 = 7 CH3COOCa + 11 CO2 + 3 H2O
AgNO3 + Fe = Fe3(NO3)3 + Ag =>
3 AgNO3 + 3 Fe = Fe3(NO3)3 + 3 Ag
Hg + KI + HI = K2[HgI4] + H2 =>
Hg + 2 KI + 2 HI = K2[HgI4] + H2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
S + Br2 = SBr2 =>
S + Br2 = SBr2
LiCl + HClO4 = LiClO4 + HCl =>
LiCl + HClO4 = LiClO4 + HCl
MgI2 + Fe = FeI3 + Mg =>
3 MgI2 + 2 Fe = 2 FeI3 + 3 Mg
C12H22O11 + K2Cr2O7 = CO2 + KCrO2 + H2O =>
C12H22O11 + 8 K2Cr2O7 = 12 CO2 + 16 KCrO2 + 11 H2O
CaCl2(an) + HCl(aq) = HCl2(aq) + CaCl =>
CaCl2(an) + HCl(aq) = HCl2(aq) + CaCl
CuBr2 + O2 = CuO + Br2 =>
2 CuBr2 + O2 = 2 CuO + 2 Br2
CaCl2 + NaHCO3 + H2O = NaCl + H2CO3 + Ca(OH)2 =>
CaCl2 + 2 NaHCO3 + 2 H2O = 2 NaCl + 2 H2CO3 + Ca(OH)2
SO32{-} + HNO3 = SO42{-} + NO + H2O =>
3 SO32{-} + 20 HNO3 = 3 SO42{-} + 20 NO + 10 H2O
HCH3CO2 = CH3CO2{-} + H{+} =>
HCH3CO2 = CH3CO2{-} + H{+}
K3[Cr(OH)6] + Cl2 = KCl + K2CrO4 + CrCl3 + H2O =>
8 K3[Cr(OH)6] + 9 Cl2 = 12 KCl + 6 K2CrO4 + 2 CrCl3 + 24 H2O
CdCl2 + KCN = KCl + Cd(CN)2 =>
CdCl2 + 2 KCN = 2 KCl + Cd(CN)2
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
PbO(s) + NH3 = Pb(s) + N2(g) + H2O(l) =>
3 PbO(s) + 2 NH3 = 3 Pb(s) + N2(g) + 3 H2O(l)
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
K + O = K2O =>
2 K + O = K2O
CaCO3 + H3PO4 = Ca3(PO4)2 + H2CO3 =>
3 CaCO3 + 2 H3PO4 = Ca3(PO4)2 + 3 H2CO3
HPO4{2-} + H{+} = H2PO4{-} =>
HPO4{2-} + H{+} = H2PO4{-}
ZnO + HCl = H2O + ZnCl2 =>
ZnO + 2 HCl = H2O + ZnCl2
NaCl + BaCl2 = Na2Ba + Cl4 =>
2 NaCl + BaCl2 = Na2Ba + Cl4
Ag + HNO3 + HCl = AgCl + NO2 + H2O =>
Ag + HNO3 + HCl = AgCl + NO2 + H2O
BeCl2 + NaH = NaCl + BeH2 =>
BeCl2 + 2 NaH = 2 NaCl + BeH2
CuCO3 + HCl = CuCl2 + H2O + CO2 =>
CuCO3 + 2 HCl = CuCl2 + H2O + CO2
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
C6H4ClN3O2 + C10H8O + NaOH = C16H11N3O3 + NaCl + H2O =>
C6H4ClN3O2 + C10H8O + NaOH = C16H11N3O3 + NaCl + H2O
[Si2H6] + [O2] = [SiO2] + [H2O] =>
2[Si2H6] + 7[O2] = 4[SiO2] + 6[H2O]
ZnCl2 + Co(NO3)2 = CoCl2 + Zn(NO3)2 =>
ZnCl2 + Co(NO3)2 = CoCl2 + Zn(NO3)2
N2H2 = NH3 + N2 =>
3 N2H2 = 2 NH3 + 2 N2
Cu + NaNO3 + HNO3 = NO2 + Cu(NO3)2 + NaOH =>
Cu + 2 NaNO3 + 2 HNO3 = 2 NO2 + Cu(NO3)2 + 2 NaOH
HSO3 + Ca(OH)2 = Ca(SO3)2 + H2O =>
2 HSO3 + Ca(OH)2 = Ca(SO3)2 + 2 H2O
C2 = C12 =>
6 C2 = C12
AgNO3 + NaPO3 = AgPO3 + NaNO3 =>
AgNO3 + NaPO3 = AgPO3 + NaNO3
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
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Équations équilibrées sur10/16/24
Équations équilibrées sur11/15/23
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