| Équations équilibrées la veille | Équations équilibrées le lendemain |
S02 + 3 O2 = 2 SO3
CH2O2 + NaHCO3 = NaCHO2 + H2O + CO2 =>
CH2O2 + NaHCO3 = NaCHO2 + H2O + CO2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
H2SO4 + NaHCO3 = Na2SO4 + CO2 + H2O =>
H2SO4 + 2 NaHCO3 = Na2SO4 + 2 CO2 + 2 H2O
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
KHSO4 + NaOH = NaKSO4 + HOH =>
KHSO4 + NaOH = NaKSO4 + HOH
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
HI(g) = H2(g) + I2(g) =>
2 HI(g) = H2(g) + I2(g)
Na2O + Li = Li2O + Na = =>
Na2O + 2 Li = Li2O + 2 Na
NH3 + H2(SO4) = (NH4)2(SO4) =>
2 NH3 + H2(SO4) = (NH4)2(SO4)
N2H4 + H2O2 = N2 + H2O =>
N2H4 + 2 H2O2 = N2 + 4 H2O
Fe + AgCH3COO = Ag + Fe(CH3COO)2 =>
Fe + 2 AgCH3COO = 2 Ag + Fe(CH3COO)2
P2O3 + H2O = H3PO4 + P =>
5 P2O3 + 9 H2O = 6 H3PO4 + 4 P
NaO2 = Na + O2 =>
NaO2 = Na + O2
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
AgNO3 + K2Cr2O7 = Ag2Cr2O7 + KNO3 =>
2 AgNO3 + K2Cr2O7 = Ag2Cr2O7 + 2 KNO3
HBr + Fe = HFe + Br =>
HBr + Fe = HFe + Br
Na + MgF2 = NaF + Mg =>
2 Na + MgF2 = 2 NaF + Mg
HNO3 + Al(OH)3 = Al(NO3)3 + H2O =>
3 HNO3 + Al(OH)3 = Al(NO3)3 + 3 H2O
Fe + AgCH3COO = Ag + Fe(CH3COO)2 =>
Fe + 2 AgCH3COO = 2 Ag + Fe(CH3COO)2
B + NaOH + H2O = NaB(OH)4 + H2 =>
2 B + 2 NaOH + 6 H2O = 2 NaB(OH)4 + 3 H2
H{+} + MnO4{-} + Fe{2-} = Mn{2-} + Fe{3+} + H2O =>
40 H{+} + 5 MnO4{-} + 9 Fe{2-} = 5 Mn{2-} + 9 Fe{3+} + 20 H2O
N + H + P + O = (NH4)3PO4 =>
3 N + 12 H + P + 4 O = (NH4)3PO4
KI + Cl2 = KCl + I2 =>
2 KI + Cl2 = 2 KCl + I2
Mn(NO3)2 + Zn(C2H3O2)2 = Mn(C2H3O2)2 + Zn(NO3)2 =>
Mn(NO3)2 + Zn(C2H3O2)2 = Mn(C2H3O2)2 + Zn(NO3)2
Cl2 + KBr = KCl + Br2 =>
Cl2 + 2 KBr = 2 KCl + Br2
H2SO4 + Co(OH)3 = Co2(SO4)3 + H2O =>
3 H2SO4 + 2 Co(OH)3 = Co2(SO4)3 + 6 H2O
Cr2O3 + KOH + Cl2 = KCl + K2CrO4 + H2O =>
Cr2O3 + 10 KOH + 3 Cl2 = 6 KCl + 2 K2CrO4 + 5 H2O
NaIO3 + NaOH + Cl2 = Na5IO6 + NaCl + H2O =>
NaIO3 + 6 NaOH + Cl2 = Na5IO6 + 2 NaCl + 3 H2O
Mg + F2 = MgF2 =>
Mg + F2 = MgF2
I2 + F2 = IF =>
I2 + F2 = 2 IF
Cu(NO3)3 + Zn = Zn(NO3)3 + Cu =>
Cu(NO3)3 + Zn = Zn(NO3)3 + Cu
LiI + H2O = LiOH + IH =>
LiI + H2O = LiOH + IH
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
CaCl2 = Ca + Cl2 =>
CaCl2 = Ca + Cl2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Na[Al(OH)4] = NaAlO2 + H2O =>
Na[Al(OH)4] = NaAlO2 + 2 H2O
UCl3 + S2 + HCl = UCl4 + H2S =>
4 UCl3 + S2 + 4 HCl = 4 UCl4 + 2 H2S
Mn + SO4 = Mn(SO4)2 =>
Mn + 2 SO4 = Mn(SO4)2
C17H33COOH + KMnO4 = K(C17H33COO) + MnO4 + H2 =>
2 C17H33COOH + 2 KMnO4 = 2 K(C17H33COO) + 2 MnO4 + H2
Cu(NO3) + NH3 = Cu(NH3)4 + NO3 =>
Cu(NO3) + 4 NH3 = Cu(NH3)4 + NO3
SnCl2 + HCl + K2Cr2O7 = KCl + H2O + CrCl3 + SnCl4 =>
3 SnCl2 + 14 HCl + K2Cr2O7 = 2 KCl + 7 H2O + 2 CrCl3 + 3 SnCl4
Fe2(CO3)2 + HNO3 = Fe(NO3)2 + H2O + CO2 =>
Fe2(CO3)2 + 4 HNO3 = 2 Fe(NO3)2 + 2 H2O + 2 CO2
C8H10N4O2 + NaCl + H2O = ClO2 + C8H10N4 + NaOH =>
5 C8H10N4O2 + 4 NaCl + 2 H2O = 4 ClO2 + 5 C8H10N4 + 4 NaOH
Al + O2 = AlO3 =>
2 Al + 3 O2 = 2 AlO3
H{2}SO{4} + NaOH = Na{2}SO{4} + H2O =>
H{2}SO{4} + NaOH = Na{2}SO{4} + H2O
K2Cr2O7 + H2SO4 + KIO3 = KIO4 + Cr2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 4 H2SO4 + 3 KIO3 = 3 KIO4 + Cr2(SO4)3 + K2SO4 + 4 H2O
Sr(NO3)2 + Al(NO3)3 + (NH2)2CO = SrAl2O4 + H2O + CO2 + N2 =>
3 Sr(NO3)2 + 6 Al(NO3)3 + 20(NH2)2CO = 3 SrAl2O4 + 40 H2O + 20 CO2 + 32 N2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
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