Équations équilibrées la veille |
2 K + 2 H2O = 2 KOH + H2
AsCl3 + NaBH4 = AsH3 + NaCl + BCl3 =>
4 AsCl3 + 3 NaBH4 = 4 AsH3 + 3 NaCl + 3 BCl3
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
NaCl + I2 = NaI + Cl2 =>
2 NaCl + I2 = 2 NaI + Cl2
FeSO4 + H2SO4 + H2O2 = Fe2(SO4)3 + H2O =>
2 FeSO4 + H2SO4 + H2O2 = Fe2(SO4)3 + 2 H2O
Hg2(NO3)2 + HCl = Hg2Cl2 + HNO3 =>
Hg2(NO3)2 + 2 HCl = Hg2Cl2 + 2 HNO3
C2H2 + O = CO2 + H2O =>
C2H2 + 5 O = 2 CO2 + H2O
Al4C3 + KOH = CH4 + K3AlO3 =>
Al4C3 + 12 KOH = 3 CH4 + 4 K3AlO3
NaOH + CO2(g) = Na2CO3 + H2O(l) =>
2 NaOH + CO2(g) = Na2CO3 + H2O(l)
Cl2 + NH3 = NHCl2 + HCl =>
2 Cl2 + NH3 = NHCl2 + 2 HCl
CuSO4 + H3PO2 + H2O = CuH + H2SO4 + H3PO4 =>
4 CuSO4 + 3 H3PO2 + 6 H2O = 4 CuH + 4 H2SO4 + 3 H3PO4
NaOH + H2O = NaO + H3O =>
NaOH + H2O = NaO + H3O
BaCl2 + CuSO4 = BaSO4 + Cl2Cu =>
BaCl2 + CuSO4 = BaSO4 + Cl2Cu
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
Al2(SO4)3 + CaCl2 = AlCl3 + Ca(SO4) =>
Al2(SO4)3 + 3 CaCl2 = 2 AlCl3 + 3 Ca(SO4)
C4H10O + O2 = CO2 + H2O* =>
C4H10O + 6 O2 = 4 CO2 + 5 H2O*
C6H8O7 + H2O = C6H5O7 + H3O =>
C6H8O7 + 3 H2O = C6H5O7 + 3 H3O
HCOH + NaOH = NaCOH + H2O =>
HCOH + NaOH = NaCOH + H2O
NaOH + H2O = NaH + OH =>
NaOH + H2O = NaH + 2 OH
SO2 + H2O = H2SO4 + SH2 =>
4 SO2 + 4 H2O = 3 H2SO4 + SH2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
NaOH + H2O = Na(OH)2 + H2 =>
2 NaOH + 2 H2O = 2 Na(OH)2 + H2
Fe + S8 = FeS =>
8 Fe + S8 = 8 FeS
NaOH + H2O = H2 + NaO2 =>
2 NaOH + 2 H2O = 3 H2 + 2 NaO2
K + MgBr2 = KBr + Mg =>
2 K + MgBr2 = 2 KBr + Mg
F2 + Al2O3 = AlF3 + O2 =>
6 F2 + 2 Al2O3 = 4 AlF3 + 3 O2
NaOH + H2O = NaO2H3 =>
NaOH + H2O = NaO2H3
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
K(aq) + Br(aq) = KBr(s) =>
K(aq) + Br(aq) = KBr(s)
Ba(NO3)2 + NH2SO3H + H2O = Ba(NH2)2 + H2SO4 + HNO3 =>
Ba(NO3)2 + 2 NH2SO3H + 2 H2O = Ba(NH2)2 + 2 H2SO4 + 2 HNO3
I + NaOH = NaOI + NaI + H2O =>
2 I + 2 NaOH = NaOI + NaI + H2O
Ca + CO = CaCO =>
Ca + CO = CaCO
Fe + AgNO3 = Fe(NO3)2 + Ag =>
Fe + 2 AgNO3 = Fe(NO3)2 + 2 Ag
ClOH + KOH = KClO + H2O =>
ClOH + KOH = KClO + H2O
AlCl3 + Na2CO3 = Al2(CO3)3 + NaCl =>
2 AlCl3 + 3 Na2CO3 = Al2(CO3)3 + 6 NaCl
CH4 + O2 = CO2 + H29 =>
29 CH4 + 29 O2 = 29 CO2 + 4 H29
Mn(NO3)2 + Na2C2O4 = MnC2O4 + NaNO3 =>
Mn(NO3)2 + Na2C2O4 = MnC2O4 + 2 NaNO3
Cl2 + NH3 = NHCl2 + HCl =>
2 Cl2 + NH3 = NHCl2 + 2 HCl
BF3 + H2O = HF + H3BO3 =>
BF3 + 3 H2O = 3 HF + H3BO3
Ni2O = Ni + O =>
Ni2O = 2 Ni + O
Mg + HNO3 = Mg(NO3)2 + H2 =>
Mg + 2 HNO3 = Mg(NO3)2 + H2
H2 + SnCl4 = SnCl2 + HCl =>
H2 + SnCl4 = SnCl2 + 2 HCl
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
CaCO3 + SO2 + H2O = Ca(HSO3)2 + CO2 =>
CaCO3 + 2 SO2 + H2O = Ca(HSO3)2 + CO2
CuSO4 + H2O2 = CuO2 + H2SO4 =>
CuSO4 + H2O2 = CuO2 + H2SO4
ZnO + CuCl2 = ZnCl2 + CuO =>
ZnO + CuCl2 = ZnCl2 + CuO
K2Cr2O7 + C2H5OH = Cr2O3 + CH3COOH + KOH + H2O =>
2 K2Cr2O7 + 3 C2H5OH = 2 Cr2O3 + 3 CH3COOH + 4 KOH + H2O
CoCl2(aq) + NaOH = Co(OH)2(s) + NaCl =>
CoCl2(aq) + 2 NaOH = Co(OH)2(s) + 2 NaCl
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
K2CO3 + CuSO4*5H2O = CuCO3 + K2SO4 + H2O =>
K2CO3 + CuSO4*5H2O = CuCO3 + K2SO4 + 5 H2O
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