| Équations équilibrées la veille |
2 PbCO3 + H2O = Pb2(OH)2CO3 + CO2
BaCl2 + Na2H2SiO4 = BaSiO3 + NaCl + H2O =>
BaCl2 + Na2H2SiO4 = BaSiO3 + 2 NaCl + H2O
HCl + Mg(OH)2 = Mg + HCl(OH) =>
2 HCl + Mg(OH)2 = Mg + 2 HCl(OH)
KMnO4 + Na2SO3 + KOH = K2MnO + Na2SO4 + H2O =>
2 KMnO4 + 7 Na2SO3 + 2 KOH = 2 K2MnO + 7 Na2SO4 + H2O
CuSO4 + Fe(OH)3 = Fe2(SO4)3 + Cu(OH)2 =>
3 CuSO4 + 2 Fe(OH)3 = Fe2(SO4)3 + 3 Cu(OH)2
Cu + O2 + H2O + CO = (CuOH)2CO3 =>
4 Cu + 3 O2 + 2 H2O + 2 CO = 2(CuOH)2CO3
Fe(s) + NaCl(aq) = Fe(NaCl)2 =>
Fe(s) + 2 NaCl(aq) = Fe(NaCl)2
K2(SO3) + HNO3 = KNO3 + H2SO3 =>
K2(SO3) + 2 HNO3 = 2 KNO3 + H2SO3
Pb(NO3)2(aq) + NaCl(s) = PbCl2 + NaNO3 =>
Pb(NO3)2(aq) + 2 NaCl(s) = PbCl2 + 2 NaNO3
N2 + O2 = NO2 =>
N2 + 2 O2 = 2 NO2
FeCl2(aq) + KMnO4(aq) + HCl(aq) = FeCl3(aq) + MnCl2(aq) + H2O(l) + KCl(aq) =>
5 FeCl2(aq) + KMnO4(aq) + 8 HCl(aq) = 5 FeCl3(aq) + MnCl2(aq) + 4 H2O(l) + KCl(aq)
Na2MnO4 + Na2SO3 + H2O = MnO2 + Na2SO4 + NaOH =>
Na2MnO4 + Na2SO3 + H2O = MnO2 + Na2SO4 + 2 NaOH
NaHSO4 + KOH = H2O + KNaSO4 =>
NaHSO4 + KOH = H2O + KNaSO4
FeI2 + KOH + I2 = Fe(OH)3 + KI =>
2 FeI2 + 6 KOH + I2 = 2 Fe(OH)3 + 6 KI
Na + ZnCl4 = Zn + NaCl =>
4 Na + ZnCl4 = Zn + 4 NaCl
NaOH + I2Cl6 = NaCl + NaI + NaIO3 + H2O =>
24 NaOH + 3 I2Cl6 = 18 NaCl + 2 NaI + 4 NaIO3 + 12 H2O
SnS + HNO3 = Sn(SO4)2 + Sn(NO3)4 + NO + H2O =>
6 SnS + 32 HNO3 = 3 Sn(SO4)2 + 3 Sn(NO3)4 + 20 NO + 16 H2O
NaOH + Ca(No3)2 = Ca(OH)2 + Na(No3) =>
2 NaOH + Ca(No3)2 = Ca(OH)2 + 2 Na(No3)
S + Br2 + KOH = K2SO4 + KBr + HBr =>
S + 3 Br2 + 4 KOH = K2SO4 + 2 KBr + 4 HBr
MgCl2 + OH = Mg(OH)2 + Cl2 =>
MgCl2 + 2 OH = Mg(OH)2 + Cl2
HClO + NaO = H2O + ClO + Na =>
2 HClO + NaO = H2O + 2 ClO + Na
CuO + HNO3 = Cu(NO3)2 + H2O =>
CuO + 2 HNO3 = Cu(NO3)2 + H2O
(CH2)5CHOH + NaOH = (CH2)5CHONa + H2O =>
(CH2)5CHOH + NaOH = (CH2)5CHONa + H2O
Mg + Al(No3)3 = Mg(No3)2 + Al =>
3 Mg + 2 Al(No3)3 = 3 Mg(No3)2 + 2 Al
Si + Ge = SiGe =>
Si + Ge = SiGe
CaH2O2 + HCl = CaCl2 + H2O =>
CaH2O2 + 2 HCl = CaCl2 + 2 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Ti3P4 = Ti + P =>
Ti3P4 = 3 Ti + 4 P
Mg + HNO3 = Mg(NO3)2 + NH + H2O =>
3 Mg + 7 HNO3 = 3 Mg(NO3)2 + NH + 3 H2O
Zn + S = Zn2S8 =>
2 Zn + 8 S = Zn2S8
MgO + AgNO3 = Mg(NO3)2 + Ag2O =>
MgO + 2 AgNO3 = Mg(NO3)2 + Ag2O
BaSO3(s) = BaO(s) + SO2(g) =>
BaSO3(s) = BaO(s) + SO2(g)
Mg + Fe{2+} = Mg{2+} + Fe =>
Mg + Fe{2+} = Mg{2+} + Fe
Zn(No3)2(aq) + Na2S(aq) = ZnS(s) + NaNo3(aq) =>
Zn(No3)2(aq) + Na2S(aq) = ZnS(s) + 2 NaNo3(aq)
AgNO3 + KOH = KNO3 + AgOH =>
AgNO3 + KOH = KNO3 + AgOH
MnO(s) + PbO2(s) + HNO3(aq) = HMnO4(aq) + Pb(NO3)2(aq) + H2O(l) =>
2 MnO(s) + 5 PbO2(s) + 10 HNO3(aq) = 2 HMnO4(aq) + 5 Pb(NO3)2(aq) + 4 H2O(l)
Cr2O7{-2} + C2H4 + H2O = Cr2O3 + OH{-} + C2H6O2 =>
Cr2O7{-2} + 3 C2H4 + 4 H2O = Cr2O3 + 2 OH{-} + 3 C2H6O2
Zn(CO3)2 + H2SO4 = Zn(SO4)2 + H2O + CO2 =>
Zn(CO3)2 + 2 H2SO4 = Zn(SO4)2 + 2 H2O + 2 CO2
CaF2 + I2 = CaI + F2 =>
2 CaF2 + I2 = 2 CaI + 2 F2
C20H14O4 + NaOH = Na2C20H12O4 + H2O =>
C20H14O4 + 2 NaOH = Na2C20H12O4 + 2 H2O
Sn(iv) + NaOH = Na2SnO2 + H2 =>
Sn(iv) + 2 NaOH = Na2SnO2 + H2
NO2 + H2SO4 = NO2SO3 + H2O =>
NO2 + H2SO4 = NO2SO3 + H2O
C2H5NH2 + HCl = C2H5NH3Cl =>
C2H5NH2 + HCl = C2H5NH3Cl
Mn(NO3)2 + Na2HPO4 = Mn3(PO4)2 + HNO3 + NaNO3 =>
3 Mn(NO3)2 + 2 Na2HPO4 = Mn3(PO4)2 + 2 HNO3 + 4 NaNO3
C2H4 + Cl2 = C2H4Cl2 =>
C2H4 + Cl2 = C2H4Cl2
Cr + Cl2 = CrCl5 =>
2 Cr + 5 Cl2 = 2 CrCl5
Mn{2+} + IO4{-} + H2O = MnO4{-} + IO3{-} + H{+} =>
2 Mn{2+} + 5 IO4{-} + 3 H2O = 2 MnO4{-} + 5 IO3{-} + 6 H{+}
CdSO4 + Zn = ZnSO4 + Cd =>
CdSO4 + Zn = ZnSO4 + Cd
Na(s) + Fe2O3 = Na2O(s) + Fe =>
6 Na(s) + Fe2O3 = 3 Na2O(s) + 2 Fe
SiH4 + K2Cr2O7 + H2O = H2SiO3 + Cr(OH)3 + KOH =>
3 SiH4 + 4 K2Cr2O7 + 13 H2O = 3 H2SiO3 + 8 Cr(OH)3 + 8 KOH
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Équations équilibrées sur01/01/25
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