| Équations équilibrées la veille |
FeNO3Cu = CuNO3Fe
K2Cr2O7 + H3PO4 + KCl = Cl2 + K3PO4 + CrPO4 + H2O =>
3 K2Cr2O7 + 14 H3PO4 + 18 KCl = 9 Cl2 + 8 K3PO4 + 6 CrPO4 + 21 H2O
Na2S2O3 + NH4Fe(SO4)2 = NH4[Fe(S2O3)2] + Na2SO4 =>
2 Na2S2O3 + NH4Fe(SO4)2 = NH4[Fe(S2O3)2] + 2 Na2SO4
NH4OH + NiSO4 = (NH4)2SO4 + Ni(OH)2 =>
2 NH4OH + NiSO4 = (NH4)2SO4 + Ni(OH)2
Na2S(aq) + Pb(NO3)2(aq) = NaNO3(aq) + PbS(aq) =>
Na2S(aq) + Pb(NO3)2(aq) = 2 NaNO3(aq) + PbS(aq)
Zn(OH)2ZnCO3 = ZnO + CO2 + H2O =>
Zn(OH)2ZnCO3 = 2 ZnO + CO2 + H2O
H2SiO4 = SiO3 + H2O =>
H2SiO4 = SiO3 + H2O
Zn(s) + OH(aq) = ZnO(s) + H2O(l) =>
Zn(s) + 2 OH(aq) = ZnO(s) + H2O(l)
MgHCO3 = MgO + CO2 + H =>
MgHCO3 = MgO + CO2 + H
P2O3 + NaOH = Na2O + P(OH)3 =>
P2O3 + 6 NaOH = 3 Na2O + 2 P(OH)3
Ni(OH)2 + HNO3 = H2O + Ni(NO3)2 =>
Ni(OH)2 + 2 HNO3 = 2 H2O + Ni(NO3)2
Au3O2 = Au3 + O2 =>
Au3O2 = Au3 + O2
Fe(CO3)2 = FeO2 + CO2 =>
Fe(CO3)2 = FeO2 + 2 CO2
HCOONa + H2O = HCOOH + Na2O =>
2 HCOONa + H2O = 2 HCOOH + Na2O
COCl2 = Cl + CO =>
COCl2 = 2 Cl + CO
CoSe = Co{-} + Se{+} =>
CoSe = Co{-} + Se{+}
Al2O3(s) + CO(g) = Al(s) + CO2(g)* =>
Al2O3(s) + 3 CO(g) = 2 Al(s) + 3 CO2(g)*
CH3NH2 + HCl = CH3Cl + NH3 =>
CH3NH2 + HCl = CH3Cl + NH3
C6H14O + H2O = C3H8O =>
C6H14O + H2O = 2 C3H8O
Pb + K4[Fe(Cn)6] = Pb2[Fe(Cn)6] + K =>
2 Pb + K4[Fe(Cn)6] = Pb2[Fe(Cn)6] + 4 K
In + KMnO4 + H2SO4 = In2(SO4)3 + K2SO4 + MnSO4 + H2O =>
10 In + 6 KMnO4 + 24 H2SO4 = 5 In2(SO4)3 + 3 K2SO4 + 6 MnSO4 + 24 H2O
H2O + MnO4{-} + NO2{-} = MnO2 + NO3{-} + OH{-} =>
H2O + 2 MnO4{-} + 3 NO2{-} = 2 MnO2 + 3 NO3{-} + 2 OH{-}
K2CO3 + Mg(NO3)2 = KNO3 + MgCO3 =>
K2CO3 + Mg(NO3)2 = 2 KNO3 + MgCO3
Na2CO3 + C2H4O2 = NaC2H3O2 + H2CO3 =>
Na2CO3 + 2 C2H4O2 = 2 NaC2H3O2 + H2CO3
(NH4)2S + NaI = NH4I + Na2S =>
(NH4)2S + 2 NaI = 2 NH4I + Na2S
(NH4)Br + Ca(OH)2 = (NH4)(OH) + CaBr2 =>
2(NH4)Br + Ca(OH)2 = 2(NH4)(OH) + CaBr2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
AgNO3(aq) + NaS2(aq) = AgS2(s) + NaNO3 =>
AgNO3(aq) + NaS2(aq) = AgS2(s) + NaNO3
NaNO2 + NaHSO3 + NH4(OH) = NaHON(SO3) + NaOH =>
5 NaNO2 + 6 NaHSO3 + NH4(OH) = 6 NaHON(SO3) + 5 NaOH
MgNH4PO4 = Mg + (NH4)3PO4 + N2 + H3PO4 =>
9 MgNH4PO4 = 9 Mg + (NH4)3PO4 + 3 N2 + 8 H3PO4
MnO2 + Cl2 + H2O = MnO4{-} + Cl{-} + H{+} =>
2 MnO2 + 3 Cl2 + 4 H2O = 2 MnO4{-} + 6 Cl{-} + 8 H{+}
Cr{+} + Fe{+3} = Cr{3+} + Fe{2+} =>
Cr{+} + 2 Fe{+3} = Cr{3+} + 2 Fe{2+}
P4(s) + F2(g) = PF3(g) =>
P4(s) + 6 F2(g) = 4 PF3(g)
MnSO4 + K2CO3 = MnCO3 + K2SO4 =>
MnSO4 + K2CO3 = MnCO3 + K2SO4
Al + I2 = AlI =>
2 Al + I2 = 2 AlI
Co(II)Cl + NaOH = Co(II)OH + NaCl =>
Co(II)Cl + NaOH = Co(II)OH + NaCl
SCl4 + H2O = SOCl2 + HCl =>
SCl4 + H2O = SOCl2 + 2 HCl
C7H6O3 + H2O2 = CO2 + H2O =>
C7H6O3 + 14 H2O2 = 7 CO2 + 17 H2O
HgS + H2S = HgS2 + H =>
HgS + H2S = HgS2 + 2 H
K2Cr2O7 + H2SO4 + C3H7OH = CH3COOH + Cr2(SO4)3 + H2O + K2SO4 =>
2 K2Cr2O7 + 8 H2SO4 + 2 C3H7OH = 3 CH3COOH + 2 Cr2(SO4)3 + 10 H2O + 2 K2SO4
ZnBr2 + Cl2 = ZnCl2 + Br2 =>
ZnBr2 + Cl2 = ZnCl2 + Br2
CuO + HC1 = Cu1C2 + H2O =>
CuO + 2 HC1 = Cu1C2 + H2O
Mg(ClO3)2 + Na2(CO3) = Na(ClO3) + Mg(CO3) =>
Mg(ClO3)2 + Na2(CO3) = 2 Na(ClO3) + Mg(CO3)
C2H2O(g) + O2(g) = CO2(g) + H2O(g) =>
C2H2O(g) + 2 O2(g) = 2 CO2(g) + H2O(g)
H2S2 = H2 + S =>
H2S2 = H2 + 2 S
C7H6O3 + H2O = H2C7H6O4 =>
C7H6O3 + H2O = H2C7H6O4
Sn{2+} + Fe{3+} = Sn{4+} + Fe{2+} =>
Sn{2+} + 2 Fe{3+} = Sn{4+} + 2 Fe{2+}
FeSO4 + KI3 + KIO3 + H2O = Fe(OH)2 + K2SO4 + I2 =>
3 FeSO4 + 5 KI3 + KIO3 + 3 H2O = 3 Fe(OH)2 + 3 K2SO4 + 8 I2
AgNO3 + CuCl2 = AgCl + Cu[NO3]2 =>
2 AgNO3 + CuCl2 = 2 AgCl + Cu[NO3]2
C5H12 + Cl2 = C + HCl =>
C5H12 + 6 Cl2 = 5 C + 12 HCl
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