| Équations équilibrées la veille |
2 Al + 6 HCl = 2 AlCl3 + 3 H2
As + NaOCl + NaOH = Na3AsO3 + NaCl + H2O =>
2 As + 3 NaOCl + 6 NaOH = 2 Na3AsO3 + 3 NaCl + 3 H2O
Fe + Cu(II) = Fe(II) + Cu =>
Fe + Cu(II) = Fe(II) + Cu
C9H10O + CH3NH2 = C10H15N + O2 =>
2 C9H10O + 2 CH3NH2 = 2 C10H15N + O2
H(g) + Br(l) = HBr(g) =>
H(g) + Br(l) = HBr(g)
LiOH + H2Co3 = Li2Co3 + H2O =>
2 LiOH + H2Co3 = Li2Co3 + 2 H2O
KNO3 + Ag2CrO4 = AgNO3 + K2CrO4 =>
2 KNO3 + Ag2CrO4 = 2 AgNO3 + K2CrO4
Pb + KSCN = Pb(KSCN)2 =>
Pb + 2 KSCN = Pb(KSCN)2
FeCl3 + Na2SO4 = FeCl3Na2SO4 =>
FeCl3 + Na2SO4 = FeCl3Na2SO4
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
BaO + H2SO4 = BaSO4 + H2O =>
BaO + H2SO4 = BaSO4 + H2O
AlF3 + Al = Al3F3 =>
AlF3 + 2 Al = Al3F3
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
NaClO2 + HCl = ClO2 + H2O + NaCl =>
5 NaClO2 + 4 HCl = 4 ClO2 + 2 H2O + 5 NaCl
K + O2{-} = K{+} + O{2-} =>
3 K + O2{-} = 3 K{+} + 2 O{2-}
CuCl2(aq) + AgNO3(aq) = AgCl(s) + Cu(NO3)2(aq) =>
CuCl2(aq) + 2 AgNO3(aq) = 2 AgCl(s) + Cu(NO3)2(aq)
Na2SO4 + K3PO4 = K2SO4 + Na3PO4 =>
3 Na2SO4 + 2 K3PO4 = 3 K2SO4 + 2 Na3PO4
Ca(OH)2 + HCI = Ca(CI)2 + H2O =>
Ca(OH)2 + 2 HCI = Ca(CI)2 + 2 H2O
P4O6 + H2O = H3PO3 =>
P4O6 + 6 H2O = 4 H3PO3
HCl + O2 = H2O + Cl2 =>
4 HCl + O2 = 2 H2O + 2 Cl2
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
Sr(NO3)2(aq) + K3PO4(aq) = Sr3(PO4)2(s) + KNO3(aq) =>
3 Sr(NO3)2(aq) + 2 K3PO4(aq) = Sr3(PO4)2(s) + 6 KNO3(aq)
CO2 + H2O0C2H5OH = CH3COOH + H2O =>
2 CO2 + 2 H2O0C2H5OH = 3 CH3COOH + 2 H2O
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Sr(OH)2*8H2O(s) + NH4Cl(s) = SrCl2 + NH3 + H2O =>
Sr(OH)2*8H2O(s) + 2 NH4Cl(s) = SrCl2 + 2 NH3 + 10 H2O
HAuCl4 + C6H8O6 = Au + C6H6O6 + HCl =>
2 HAuCl4 + 3 C6H8O6 = 2 Au + 3 C6H6O6 + 8 HCl
H2S + SO2 = S + H2O =>
2 H2S + SO2 = 3 S + 2 H2O
CO2 + H2O0C2H5OH = CH3COOH + H2O =>
2 CO2 + 2 H2O0C2H5OH = 3 CH3COOH + 2 H2O
Al2(SO4)3 + Co(NO3)2 = Co(AlO2) + NO2 + O2 + SO3 =>
2 Al2(SO4)3 + 4 Co(NO3)2 = 4 Co(AlO2) + 8 NO2 + 3 O2 + 6 SO3
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
MgSO4 + KOH = MgOH + SO4K =>
MgSO4 + KOH = MgOH + SO4K
Mg(CH3COO)2 + Ba(OH)2 = Mg(OH)2 + Ba(CH3COO)2 =>
Mg(CH3COO)2 + Ba(OH)2 = Mg(OH)2 + Ba(CH3COO)2
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
Cu2S + H2SO4 = CuSO4 + SO2 + H2O =>
Cu2S + 6 H2SO4 = 2 CuSO4 + 5 SO2 + 6 H2O
H2Se + CuSO4 + H2 = Cu2Se + H2SO4 =>
H2Se + 2 CuSO4 + H2 = Cu2Se + 2 H2SO4
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
C6H12O6 + Ag(NH3)2OH = C6H12O7 + Ag + NH3 + H2O =>
C6H12O6 + 2 Ag(NH3)2OH = C6H12O7 + 2 Ag + 4 NH3 + H2O
KMnO4 + NaCl = K2 + MnO3 + NaO + Cl2 =>
2 KMnO4 + 2 NaCl = K2 + 2 MnO3 + 2 NaO + Cl2
Sn + P4 = Sn3P4 =>
3 Sn + P4 = Sn3P4
CH3COH + CU(OH)2 = CU2O + CH3COOH + H2O =>
2 CH3COH + 4 CU(OH)2 = 2 CU2O + 3 CH3COOH + 2 H2O
HCl + Mg = MgCl2 + H2Mg =>
2 HCl + 2 Mg = MgCl2 + H2Mg
CO2 + H2 = CH3OH + H2O =>
CO2 + 3 H2 = CH3OH + H2O
KI(aq) + Cl2(g) = KCl(aq) + I2(s) =>
2 KI(aq) + Cl2(g) = 2 KCl(aq) + I2(s)
CrCl3 + H2O2 + NaOH = H2O + Na2CrO4 + NaCl =>
2 CrCl3 + 3 H2O2 + 10 NaOH = 8 H2O + 2 Na2CrO4 + 6 NaCl
HCHO + Cr2O7{2-} + H{+} = HCO2H + Cr{3+} + H2O =>
3 HCHO + Cr2O7{2-} + 8 H{+} = 3 HCO2H + 2 Cr{3+} + 4 H2O
C19H8O10 + O2 = CO2 + H2O =>
C19H8O10 + 16 O2 = 19 CO2 + 4 H2O
NaIO3 + FeSO4 + H2SO4 = Fe2(SO4)3 + NaI + H2O =>
NaIO3 + 6 FeSO4 + 3 H2SO4 = 3 Fe2(SO4)3 + NaI + 3 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Al2(CrO4)3 + Ca(CN)2 = Al(CN)3 + CaCrO4 =>
Al2(CrO4)3 + 3 Ca(CN)2 = 2 Al(CN)3 + 3 CaCrO4
Cu(OH2)6 + NaOH = Cu(OH)2 + H2O + Na =>
Cu(OH2)6 + 2 NaOH = Cu(OH)2 + 6 H2O + 2 Na
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