| Équations équilibrées la veille |
2 Zn1 + O2 = 2 ZnO
Al2O3 + Se = AlSe4 + SeO2 =>
2 Al2O3 + 19 Se = 4 AlSe4 + 3 SeO2
Cl2(g) + NaBr(aq) = Br2(l) + NaCl(aq) =>
Cl2(g) + 2 NaBr(aq) = Br2(l) + 2 NaCl(aq)
I2O5 + NO = N2O4 + I2 =>
2 I2O5 + 10 NO = 5 N2O4 + 2 I2
Pb(OH)4 + H3BO3 = Pb3(BO3)4 + H2O =>
3 Pb(OH)4 + 4 H3BO3 = Pb3(BO3)4 + 12 H2O
HClO4 + Ca(OH)2 = CaClO4 + H(OH)2 =>
HClO4 + Ca(OH)2 = CaClO4 + H(OH)2
Cs2O + FeCl2 = CsCl + FeO =>
Cs2O + FeCl2 = 2 CsCl + FeO
H2CrO4 + Mg(OH)2 = H2O + Mg(CrO4) =>
H2CrO4 + Mg(OH)2 = 2 H2O + Mg(CrO4)
NaNO2 + H2NSO3H = NaHSO4 + N2 + H2O =>
NaNO2 + H2NSO3H = NaHSO4 + N2 + H2O
C6H8O6 + L2 = C6H6O6 + L{-} + H{+} =>
C6H8O6 + L2 = C6H6O6 + 2 L{-} + 2 H{+}
HClO + Al(OH)3 = Cl3Al + H2O + O =>
3 HClO + Al(OH)3 = Cl3Al + 3 H2O + 3 O
VOSO4 + FeCl3 + H2O = FeCl2 + HVO3 + H2SO4 + HCl =>
VOSO4 + FeCl3 + 2 H2O = FeCl2 + HVO3 + H2SO4 + HCl
H2Te = H + Te =>
H2Te = 2 H + Te
ClC2H3O2 + NH3 = NH2CH2COOH + NH4Cl =>
ClC2H3O2 + 2 NH3 = NH2CH2COOH + NH4Cl
As4 + H2 = AsH3 =>
As4 + 6 H2 = 4 AsH3
CH3HgI + KCN = Hg(CH3)2 + KI + (CN)2 + Hg =>
2 CH3HgI + 2 KCN = Hg(CH3)2 + 2 KI + (CN)2 + Hg
H2Cl2 + NaOH = NaCl + H2O =>
H2Cl2 + 2 NaOH = 2 NaCl + 2 H2O
Cl + Ca(OH)2 = Ca(OCl)2 + CaCl2 + H2O =>
4 Cl + 2 Ca(OH)2 = Ca(OCl)2 + CaCl2 + 2 H2O
NiClO3 = NiClO2 + O2 =>
2 NiClO3 = 2 NiClO2 + O2
COS + H2 = H2S + CO =>
COS + H2 = H2S + CO
BaO + NHO3 = Ba(NO3)2 + H2O =>
BaO + 2 NHO3 = Ba(NO3)2 + H2O
C5H12S + S2 = CS2 + H2S =>
2 C5H12S + 15 S2 = 10 CS2 + 12 H2S
Na2S2O3 + ZnCl2 = NaCl + ZnS2O3 =>
Na2S2O3 + ZnCl2 = 2 NaCl + ZnS2O3
Pb(NO3)2 + NaBH4 + H2O = Pb + NaNO3 + H3BO3 + H2 =>
Pb(NO3)2 + 2 NaBH4 + 6 H2O = Pb + 2 NaNO3 + 2 H3BO3 + 7 H2
Fe(S) + CuSO4(Ac) = FeSO4(Ac) + Cu(S) =>
Fe(S) + CuSO4(Ac) = FeSO4(Ac) + Cu(S)
HNO3 + I2 = NIO3 + NO2 + H2O =>
4 HNO3 + I2 = 2 NIO3 + 2 NO2 + 2 H2O
CaCrO4 + HC2H3O2 = Ca + Cr2O7 + CH3CO2 + H2O =>
2 CaCrO4 + 2 HC2H3O2 = 2 Ca + Cr2O7 + 2 CH3CO2 + H2O
KMnO4 + NaSO3 + KOH = K2MnO + NaSO4 + H2O =>
2 KMnO4 + 7 NaSO3 + 2 KOH = 2 K2MnO + 7 NaSO4 + H2O
C3H7OH + CH3COOH = C4H7COOH + H2O =>
4 C3H7OH + 9 CH3COOH = 6 C4H7COOH + 10 H2O
C14H12 + C6H8 = C14H14 =>
7 C14H12 + 7 C6H8 = 10 C14H14
KMnO4 + H2SO4 = KSO4 + MnSO4 + O2 + H2O =>
KMnO4 + 2 H2SO4 = KSO4 + MnSO4 + O2 + 2 H2O
K2CrO4 + H2SO4 = K2SO4 + CrO4H2 =>
K2CrO4 + H2SO4 = K2SO4 + CrO4H2
Fe + HOH = Fe2O3 + H2 =>
2 Fe + 3 HOH = Fe2O3 + 3 H2
HSCN + Ba(OH)2 = H2O + Ba(SCN)2 =>
2 HSCN + Ba(OH)2 = 2 H2O + Ba(SCN)2
AgCl + Na2SiO3 = Ag2O + NaCl + SiO2 =>
2 AgCl + Na2SiO3 = Ag2O + 2 NaCl + SiO2
NH4Cl + CuO = N2 + HCl + Cu + H2O =>
2 NH4Cl + 3 CuO = N2 + 2 HCl + 3 Cu + 3 H2O
BaCO3 + KNO3 = Ba(NO3)2 + K2CO3 =>
BaCO3 + 2 KNO3 = Ba(NO3)2 + K2CO3
BaSO4 + Cu(OH)2 = Ba(OH)2 + CuSO4 =>
BaSO4 + Cu(OH)2 = Ba(OH)2 + CuSO4
HCI + NH4OH = H2O + NH4CI =>
HCI + NH4OH = H2O + NH4CI
AI + AgS = Ag + AIS =>
AI + AgS = Ag + AIS
C6H12O16 + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + CO2 + H2O =>
3 C6H12O16 + 2 K2Cr2O7 + 8 H2SO4 = 2 K2SO4 + 2 Cr2(SO4)3 + 18 CO2 + 26 H2O
NO2 + OH2 + O = NO3H =>
2 NO2 + OH2 + O = 2 NO3H
CaBr + KPO4 = CaPO4 + KBr =>
CaBr + KPO4 = CaPO4 + KBr
Co(NO3)2 + NH4OH = CoO + NH4NO3 + H2O =>
Co(NO3)2 + 2 NH4OH = CoO + 2 NH4NO3 + H2O
HClO + H2S = HCl + H2SO4 =>
4 HClO + H2S = 4 HCl + H2SO4
FeO + H2SO4 + KMnO4 = Fe2O3 + KMnSO4 + H2O =>
6 FeO + H2SO4 + KMnO4 = 3 Fe2O3 + KMnSO4 + H2O
NaIO3 = NaI + O2 =>
2 NaIO3 = 2 NaI + 3 O2
CuCl2(aq) + KOH(aq) = KCl(s) + Cu(OH)2 =>
CuCl2(aq) + 2 KOH(aq) = 2 KCl(s) + Cu(OH)2
Fe + H3PO4 = FePO4 + H2 =>
2 Fe + 2 H3PO4 = 2 FePO4 + 3 H2
H{+} + Cu(OH)2 = Cu{2+} + H2O =>
2 H{+} + Cu(OH)2 = Cu{2+} + 2 H2O
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