| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 CH3CH2COOH + 7 O2 = 6 CO2 + 6 H2O
FeCl3 + NH4OH = Fe(OH)3 + NH4Cl =>
FeCl3 + 3 NH4OH = Fe(OH)3 + 3 NH4Cl
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
ZnCl2 + H3PO4 = Zn3(PO4)2 + HCl =>
3 ZnCl2 + 2 H3PO4 = Zn3(PO4)2 + 6 HCl
As2O3 + Zn + HNO3 = AsH3 + Zn(NO3)2 + H2O =>
As2O3 + 6 Zn + 12 HNO3 = 2 AsH3 + 6 Zn(NO3)2 + 3 H2O
K2CO3 + C = CO + K =>
K2CO3 + 2 C = 3 CO + 2 K
BaCl2(aq) + AgNO3(aq) = AgCl(s) + Ba(NO3)2(aq) =>
BaCl2(aq) + 2 AgNO3(aq) = 2 AgCl(s) + Ba(NO3)2(aq)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
C + O2 = CO =>
2 C + O2 = 2 CO
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
C3H8(g) + O2(g) = H2O(l) + CO2(g) =>
C3H8(g) + 5 O2(g) = 4 H2O(l) + 3 CO2(g)
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
CH3CH2COOH + O2 = CO2 + H2O =>
2 CH3CH2COOH + 7 O2 = 6 CO2 + 6 H2O
H2SO4(aq) + Fe(s) = Fe2(SO4)3(aq) + H2(g) =>
3 H2SO4(aq) + 2 Fe(s) = Fe2(SO4)3(aq) + 3 H2(g)
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
NaCl + O2 = NaClO3 =>
2 NaCl + 3 O2 = 2 NaClO3
FeO(s) + C(s) = Fe(l) + CO2(l) =>
2 FeO(s) + C(s) = 2 Fe(l) + CO2(l)
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Au(s) + H2SeO4(aq) = Au2(SeO4)3(aq) + H2SeO3(aq) + H2O(l) =>
2 Au(s) + 6 H2SeO4(aq) = Au2(SeO4)3(aq) + 3 H2SeO3(aq) + 3 H2O(l)
Mg + NaF = MgF2 + Na =>
Mg + 2 NaF = MgF2 + 2 Na
Ag2SO4 + NaCl = AgCl + Na2SO4 =>
Ag2SO4 + 2 NaCl = 2 AgCl + Na2SO4
CaO + C = CaC2 + CO2 =>
2 CaO + 5 C = 2 CaC2 + CO2
Al2O3 + CO = Al + CO2 =>
Al2O3 + 3 CO = 2 Al + 3 CO2
CaO + C = CaC2 + CO =>
CaO + 3 C = CaC2 + CO
AlCl3 + H2SO4 = Al2(SO4)3 + HCl =>
2 AlCl3 + 3 H2SO4 = Al2(SO4)3 + 6 HCl
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
K2Cr2O7 + H2S + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O =>
4 K2Cr2O7 + 3 H2S + 13 H2SO4 = 4 K2SO4 + 4 Cr2(SO4)3 + 16 H2O
C + O2 = CO =>
2 C + O2 = 2 CO
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
CH3CH2COOH + H2O = CH3CH2COO{-} + H3O{+} =>
CH3CH2COOH + H2O = CH3CH2COO{-} + H3O{+}
Cl2(g) + KI(aq) = KCl(aq) + I2(s) =>
Cl2(g) + 2 KI(aq) = 2 KCl(aq) + I2(s)
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
H3PO4 + NaOH = NaH2PO4 + H2O =>
H3PO4 + NaOH = NaH2PO4 + H2O
N2H4 + N2O4 = N2 + H2O =>
2 N2H4 + N2O4 = 3 N2 + 4 H2O
HCl + K2CO3 = KCl + H2O + CO2 =>
2 HCl + K2CO3 = 2 KCl + H2O + CO2
Na2B4O7(s) + H2SO4(aq) + H2O(l) = H3BO3(s) + Na2SO4(aq) =>
Na2B4O7(s) + H2SO4(aq) + 5 H2O(l) = 4 H3BO3(s) + Na2SO4(aq)
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
HNO3 + Mn = N2O + Mn(NO3)2 + H2O =>
10 HNO3 + 4 Mn = N2O + 4 Mn(NO3)2 + 5 H2O
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
NH3 + NO = N2 + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O
BaO + H2O = Ba(OH)2 =>
BaO + H2O = Ba(OH)2
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
Fe3O4 + O2 = Fe2O3 =>
4 Fe3O4 + O2 = 6 Fe2O3
SO2 + NaOH = Na2SO3 + H2O =>
SO2 + 2 NaOH = Na2SO3 + H2O
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur05/01/20
Équations équilibrées sur05/31/19
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