| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 CH3Cl + 2 KBr + Cl2 = 2 KCl + 2 BrCH2 + 2 HCl
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
CH3Cl + KI + Cl2 = KCl + ICH2 + HCl =>
2 CH3Cl + 2 KI + Cl2 = 2 KCl + 2 ICH2 + 2 HCl
Na + H2 = NaH =>
2 Na + H2 = 2 NaH
NaBr + Cl2 = NaCl + Br2 =>
2 NaBr + Cl2 = 2 NaCl + Br2
KMnO4 = K2MnO4 + MnO2 + O2 =>
2 KMnO4 = K2MnO4 + MnO2 + O2
Fe + CuSO4 = Cu + FeSO4 =>
Fe + CuSO4 = Cu + FeSO4
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
PH3 + O2 = P2O5 + H2O =>
2 PH3 + 4 O2 = P2O5 + 3 H2O
C3H6 + O2 = CO2 + H20 =>
10 C3H6 + 30 O2 = 30 CO2 + 3 H20
Na2SO3 + Ba(NO3)2 = NaNO3 + BaSO3 =>
Na2SO3 + Ba(NO3)2 = 2 NaNO3 + BaSO3
H2O + CO2 = C6H12O6 + O2 =>
6 H2O + 6 CO2 = C6H12O6 + 6 O2
Cu2{+} + H2O = Cu2O + H{+} + e =>
Cu2{+} + H2O = Cu2O + 2 H{+} + e
CH3Cl + KI + Cl2 = KCl + ICH2 + HCl =>
2 CH3Cl + 2 KI + Cl2 = 2 KCl + 2 ICH2 + 2 HCl
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
S + H2 = H2S =>
S + H2 = H2S
Cu{2+} + H2O = Cu2O + H{+} + e =>
2 Cu{2+} + H2O = Cu2O + 2 H{+} + 2e
Na + KNO3 = Na2O + K2O + N2 =>
10 Na + 2 KNO3 = 5 Na2O + K2O + N2
CuO + H2 = Cu + H2O =>
CuO + H2 = Cu + H2O
Na + O2 = NaO =>
2 Na + O2 = 2 NaO
C5H7O2N + O2 = CO2 + H2O + NH3 =>
C5H7O2N + 5 O2 = 5 CO2 + 2 H2O + NH3
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
Ni(CO)4 = Ni + CO =>
Ni(CO)4 = Ni + 4 CO
H2S + NO = SO3 + H2 + N2 =>
2 H2S + 6 NO = 2 SO3 + 2 H2 + 3 N2
Na2SO4 + BaCl2 = BaSO4 + NaCl =>
Na2SO4 + BaCl2 = BaSO4 + 2 NaCl
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Cr2O3 + NaNO3 + NaOH = Na2CrO4 + NaNO2 + H2O =>
Cr2O3 + 3 NaNO3 + 4 NaOH = 2 Na2CrO4 + 3 NaNO2 + 2 H2O
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
Cr2O3 + NaNO3 + NaOH = Na2CrO4 + NO + H2O =>
Cr2O3 + 2 NaNO3 + 2 NaOH = 2 Na2CrO4 + 2 NO + H2O
S2{-} + Cu2{+} = CuS =>
S2{-} + Cu2{+} = 2 CuS
Na2SO4 + BaCl2 = BaSO4 + NaCl =>
Na2SO4 + BaCl2 = BaSO4 + 2 NaCl
HNO3 + Sr(OH)2 = Sr(NO3)2 + H2O =>
2 HNO3 + Sr(OH)2 = Sr(NO3)2 + 2 H2O
S2 + Cu2 = CuS =>
S2 + Cu2 = 2 CuS
CaC2 + H2O = C2H2 + CaO =>
CaC2 + H2O = C2H2 + CaO
Ca(OH)2 + HF = CaF2 + H2O =>
Ca(OH)2 + 2 HF = CaF2 + 2 H2O
Ag + H2S + O2 = Ag2S + H2O =>
4 Ag + 2 H2S + O2 = 2 Ag2S + 2 H2O
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
MgSO4 = Mg + SO4 =>
MgSO4 = Mg + SO4
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
CaCO3 + HCl = CaCl2 + CO2 + H2O =>
CaCO3 + 2 HCl = CaCl2 + CO2 + H2O
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
C6H12O6 = C2H6O + CO2 =>
C6H12O6 = 2 C2H6O + 2 CO2
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
PCl5 + H2O = H3PO4 + HCl =>
PCl5 + 4 H2O = H3PO4 + 5 HCl
C2H4 + H2O = CH3CH2OH =>
C2H4 + H2O = CH3CH2OH
Zn + Pb(C2H3O2)3 = Pb + Zn(C2H3O2)2 =>
3 Zn + 2 Pb(C2H3O2)3 = 2 Pb + 3 Zn(C2H3O2)2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/18/14
Équations équilibrées sur11/17/13
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