| Équations équilibrées la veille |
7 CH3COOH + 4 CaCO3 = 4 CH3COOCa + 8 H2O + 10 CO
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
FeSO4(aq) + Sr(OH)2(aq) = Fe(OH)2 + SrSO4 =>
FeSO4(aq) + Sr(OH)2(aq) = Fe(OH)2 + SrSO4
HNO3 + SO2 = H2SO4 + NO2 =>
2 HNO3 + SO2 = H2SO4 + 2 NO2
Cl2 + O2 = ClO2 =>
Cl2 + 2 O2 = 2 ClO2
H3O{+} + Cr2O7{2-} + C2O4{2-} = Cr{3+} + H2O + CO2 =>
14 H3O{+} + Cr2O7{2-} + 3 C2O4{2-} = 2 Cr{3+} + 21 H2O + 6 CO2
Na2SO3 + HCH3COO = H2SO3 + NaCH3COO =>
Na2SO3 + 2 HCH3COO = H2SO3 + 2 NaCH3COO
NaNO3 + Pb(CO3)2 = Pb(NO3)4 + Na2CO3 =>
4 NaNO3 + Pb(CO3)2 = Pb(NO3)4 + 2 Na2CO3
As2S3 + HNO3 + H2O = H2SO3 + H3AsO4 + NO =>
3 As2S3 + 22 HNO3 + 7 H2O = 9 H2SO3 + 6 H3AsO4 + 22 NO
HNO3 + Cu(NO3)2 + NaOH = Cu(OH)2 + Na(NO3)2 + H2 =>
2 HNO3 + Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 Na(NO3)2 + H2
Br2 + S + H2O = HBr + H2SO4 =>
3 Br2 + S + 4 H2O = 6 HBr + H2SO4
NH4HS + K2CrO4 + H2O = S + Cr(OH)3 + NH3*H2O + KOH =>
3 NH4HS + 2 K2CrO4 + 5 H2O = 3 S + 2 Cr(OH)3 + 3 NH3*H2O + 4 KOH
CoI2 + KOH = CoOH + KI2 =>
CoI2 + KOH = CoOH + KI2
SO2 + Na2SO4 = Na2SO3 + SO3 =>
SO2 + Na2SO4 = Na2SO3 + SO3
K + HPO4 = K3PO4 + H =>
3 K + HPO4 = K3PO4 + H
Na2CO3 + H2O = NaOH + CO2 =>
Na2CO3 + H2O = 2 NaOH + CO2
Mg + N2 = Mg3(N2)2 =>
3 Mg + 2 N2 = Mg3(N2)2
CH2CH2 + KMnO4 + H2SO4 = CO2 + H2O + MnSO4 + K2SO4 =>
5 CH2CH2 + 12 KMnO4 + 18 H2SO4 = 10 CO2 + 28 H2O + 12 MnSO4 + 6 K2SO4
K2SeO3 + KMnO4 + H2SO4 = K2SeO4 + K2SO4 + MnSO4 + H2O =>
5 K2SeO3 + 2 KMnO4 + 3 H2SO4 = 5 K2SeO4 + K2SO4 + 2 MnSO4 + 3 H2O
NaClO4 + KBr + HCl = NaCl + KCl + Br2 + H2O =>
NaClO4 + 8 KBr + 8 HCl = NaCl + 8 KCl + 4 Br2 + 4 H2O
SnCl2*4H2O = SnCl2 + H2O =>
SnCl2*4H2O = SnCl2 + 4 H2O
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
ZnSO4 + BaS = BaSO4 + Zn + S =>
ZnSO4 + BaS = BaSO4 + Zn + S
Li2SO3 + H2S = Li2S + H2SO3 =>
Li2SO3 + H2S = Li2S + H2SO3
Ni4O3 = Ni + O2 =>
2 Ni4O3 = 8 Ni + 3 O2
Zn + BrO3 = Zn(BrO3)2 =>
Zn + 2 BrO3 = Zn(BrO3)2
C2H5OH + KI + H2O = K2CO3 + H2 + CHI3 =>
5 C2H5OH + 12 KI + 13 H2O = 6 K2CO3 + 26 H2 + 4 CHI3
NO3 + MgOH2 = Mg(NO3)2 + H2O =>
2 NO3 + MgOH2 = Mg(NO3)2 + H2O
(CuOH)2CO3 + KHSO4 = K2SO4 + CuSO4 + H2O + CO2 =>
(CuOH)2CO3 + 4 KHSO4 = 2 K2SO4 + 2 CuSO4 + 3 H2O + CO2
KNO3 + C2H6O = C2H4O + H2O + K2CO3 + N2 =>
4 KNO3 + 5 C2H6O = 4 C2H4O + 7 H2O + 2 K2CO3 + 2 N2
H3AlO3 + NaOH = NaAlO2 + H2O =>
H3AlO3 + NaOH = NaAlO2 + 2 H2O
F2(g) + PbI4(aq) = PbF4(aq) + I2(s) =>
2 F2(g) + PbI4(aq) = PbF4(aq) + 2 I2(s)
KMnO4 + NaI + H2SO4 = I2 + MnSO4 + K2SO4 + Na2SO4 + H2O =>
2 KMnO4 + 10 NaI + 8 H2SO4 = 5 I2 + 2 MnSO4 + K2SO4 + 5 Na2SO4 + 8 H2O
FeCl2(ag) + Ag = AgCl + Fe =>
FeCl2(ag) + 2 Ag = 2 AgCl + Fe
Zn + Cu(SO4)2 = ZnCu(SO4)2 =>
Zn + Cu(SO4)2 = ZnCu(SO4)2
Ca3(OH)2 + HPO4 = Ca3(PO4)2 + H2O =>
Ca3(OH)2 + 2 HPO4 = Ca3(PO4)2 + 2 H2O
NaVO3 + (NH4)2SO4 + H2SO4 = NH4V3O8 + Na2SO4 + H2O =>
6 NaVO3 + (NH4)2SO4 + 2 H2SO4 = 2 NH4V3O8 + 3 Na2SO4 + 2 H2O
C3H4(l) + O2(g) = CO2(g) + H2O(g) =>
C3H4(l) + 4 O2(g) = 3 CO2(g) + 2 H2O(g)
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
CH3CH2COOK + KOH = CH3CH2COOH + K2O =>
CH3CH2COOK + KOH = CH3CH2COOH + K2O
NaOH + Ba(NO3)2 = Ba(OH)2 + NaNO3 =>
2 NaOH + Ba(NO3)2 = Ba(OH)2 + 2 NaNO3
CrO2 + HI = Cr2O2 + I2 + H2O =>
2 CrO2 + 4 HI = Cr2O2 + 2 I2 + 2 H2O
MgO + NaOH = Mg(NaO)2 + H2O =>
MgO + 2 NaOH = Mg(NaO)2 + H2O
At2 + I2 = AtI =>
At2 + I2 = 2 AtI
Co2(CO)8 + Br2 = Br[Co(CO)4] =>
Co2(CO)8 + Br2 = 2 Br[Co(CO)4]
MnO4 + Fe{2+} + H{+} = Mn{2+} + H2O + Fe{3+} =>
MnO4 + 6 Fe{2+} + 8 H{+} = Mn{2+} + 4 H2O + 6 Fe{3+}
NaHCO6 + CH3COOH = CH3COONa + CO2 + H2O =>
4 NaHCO6 + 7 CH3COOH = 4 CH3COONa + 10 CO2 + 10 H2O
Ka + H = KaH =>
Ka + H = KaH
[Ni(H2O)6] + SCN = [Ni(NSC)] + H2O =>
[Ni(H2O)6] + SCN = [Ni(NSC)] + 6 H2O
Li + Si = Li22Si5 =>
22 Li + 5 Si = Li22Si5
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