| Équations équilibrées la veille | Équations équilibrées le lendemain |
8 K + 10 HNO3 = 8 KNO3 + 3 H2O + NH4NO3
Na2CO3 + Pb(NO3)2 = NaNO3 + PbCO3 =>
Na2CO3 + Pb(NO3)2 = 2 NaNO3 + PbCO3
Al(s) + Br2(g) = AlBr3(s) =>
2 Al(s) + 3 Br2(g) = 2 AlBr3(s)
C22H46 + O2 = CO2 + H2O =>
2 C22H46 + 67 O2 = 44 CO2 + 46 H2O
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
HCl(aq) + NH4OH(aq) = H2O(l) + NH4Cl(aq) =>
HCl(aq) + NH4OH(aq) = H2O(l) + NH4Cl(aq)
CH4 + Cl2 = CHCl2 + HCl =>
2 CH4 + 5 Cl2 = 2 CHCl2 + 6 HCl
CuSO4(ac) + NaOH(ac) = Cu2(OH)2SO4(s) + Na2SO4(ac) =>
2 CuSO4(ac) + 2 NaOH(ac) = Cu2(OH)2SO4(s) + Na2SO4(ac)
NANO3 + HCI = HNO3 + NACI =>
NANO3 + HCI = HNO3 + NACI
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
PbO2 + MnSO4 + HNO3 = HMnO4 + Pb(SO4)2 + Pb(NO3)2 + H2O =>
6 PbO2 + 2 MnSO4 + 10 HNO3 = 2 HMnO4 + Pb(SO4)2 + 5 Pb(NO3)2 + 4 H2O
Co + HNO3 = Co(NO3)2 + H2O + N2 =>
5 Co + 12 HNO3 = 5 Co(NO3)2 + 6 H2O + N2
K2SeO3 + KI + HCl = KCl + Se + I2 + H2O =>
K2SeO3 + 4 KI + 6 HCl = 6 KCl + Se + 2 I2 + 3 H2O
BaNa = Ba + Na =>
BaNa = Ba + Na
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Yb(NO3)3(H2O)5 + C19H42BrN = Yb2O3 + CO2 + H2O + N2 + Br2 =>
236 Yb(NO3)3(H2O)5 + 30 C19H42BrN = 118 Yb2O3 + 570 CO2 + 1810 H2O + 369 N2 + 15 Br2
SiO(NO3)2 + C19H42BrN = SiO2 + CO2 + H2O + N2 + Br2 =>
118 SiO(NO3)2 + 10 C19H42BrN = 118 SiO2 + 190 CO2 + 210 H2O + 123 N2 + 5 Br2
Ba(NO3)2 + Na2SO4 + NaC2H3O2 = BaC2H3O2 + NaSO4 + NaNO3 =>
Ba(NO3)2 + Na2SO4 + NaC2H3O2 = BaC2H3O2 + NaSO4 + 2 NaNO3
Pb + HBr = PbBr2 + H2 =>
Pb + 2 HBr = PbBr2 + H2
P + CuSO4 + H2O = Cu + H3PO4 + H2SO4 =>
2 P + 5 CuSO4 + 8 H2O = 5 Cu + 2 H3PO4 + 5 H2SO4
Cu(OH)2 + CH3COOH = (CH3COO)2Cu + H2O =>
Cu(OH)2 + 2 CH3COOH = (CH3COO)2Cu + 2 H2O
CH4 + O2 = CO2 + H20 =>
5 CH4 + 5 O2 = 5 CO2 + H20
Ag + HNO3 = AgNO3 + H2O + NO =>
3 Ag + 4 HNO3 = 3 AgNO3 + 2 H2O + NO
FeCl2 + KNO3 + HCl = FeCl3 + NO + H2O + KCl =>
3 FeCl2 + KNO3 + 4 HCl = 3 FeCl3 + NO + 2 H2O + KCl
NaI + NaIO3 + H2SO4 = I2 + Na2SO4 + H2O =>
5 NaI + NaIO3 + 3 H2SO4 = 3 I2 + 3 Na2SO4 + 3 H2O
C22H46 + O2 = C + H2O =>
2 C22H46 + 23 O2 = 44 C + 46 H2O
FeCl3 + KBr = FeCl2 + Br2 + KCl =>
2 FeCl3 + 2 KBr = 2 FeCl2 + Br2 + 2 KCl
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
NH4Cl + NaOH = NH3 + NaCl + H2O =>
NH4Cl + NaOH = NH3 + NaCl + H2O
Fe2O3(s) + C(s) = Fe(s) + CO(g) =>
Fe2O3(s) + 3 C(s) = 2 Fe(s) + 3 CO(g)
C6H10O5 + O2 = CO2 + H2O =>
C6H10O5 + 6 O2 = 6 CO2 + 5 H2O
KMnO4 + HBr = MnBr2 + Br2 + KBr + H2O =>
2 KMnO4 + 16 HBr = 2 MnBr2 + 5 Br2 + 2 KBr + 8 H2O
CAC2 + H2O = C2H2 + CA(OH)2 =>
CAC2 + 2 H2O = C2H2 + CA(OH)2
FeCl3 + NH4OH = Fe(OH)3 + NH4Cl =>
FeCl3 + 3 NH4OH = Fe(OH)3 + 3 NH4Cl
AgNO3(ac) + NaCl(ac) = AgCl(s) + NaNO3(ac) =>
AgNO3(ac) + NaCl(ac) = AgCl(s) + NaNO3(ac)
AmSO4 + KMnO4 + H2SO4 = Am2(SO4)3 + K2SO4 + MnSO4 + H2O =>
10 AmSO4 + 2 KMnO4 + 8 H2SO4 = 5 Am2(SO4)3 + K2SO4 + 2 MnSO4 + 8 H2O
NH3 + NaOH = NH4 + NaO =>
NH3 + NaOH = NH4 + NaO
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
C11H24 + O2 = C + H2O =>
C11H24 + 6 O2 = 11 C + 12 H2O
Fe{2+} + NO3{-} + H{+} = Fe{3+} + NO + H2O =>
3 Fe{2+} + NO3{-} + 4 H{+} = 3 Fe{3+} + NO + 2 H2O
C6H12O6 = C2H5OH + CO2 =>
C6H12O6 = 2 C2H5OH + 2 CO2
C2H2O4 + H2SO4 = CO2 + H2O + SO2 =>
C2H2O4 + H2SO4 = 2 CO2 + 2 H2O + SO2
C11H24 + O2 = CO2 + H2O =>
C11H24 + 17 O2 = 11 CO2 + 12 H2O
C3H7CHO + KMnO4 + KOH = K2MnO4 + C3H7COOK + H2O =>
C3H7CHO + 2 KMnO4 + 3 KOH = 2 K2MnO4 + C3H7COOK + 2 H2O
Pb(NO3)2 + K2SO4 = PbSO4 + KNO3 =>
Pb(NO3)2 + K2SO4 = PbSO4 + 2 KNO3
Mg + FeCl3 = Fe + MgCl2 =>
3 Mg + 2 FeCl3 = 2 Fe + 3 MgCl2
NaOH + HCl = NaCl + H2O =>
NaOH + HCl = NaCl + H2O
C11H24 + O2 = CO + H2O =>
2 C11H24 + 23 O2 = 22 CO + 24 H2O
NaOH + HCl = NaCl + H2O =>
NaOH + HCl = NaCl + H2O
Na2CO3 + HNO3 = H2CO3 + Na(NO3) =>
Na2CO3 + 2 HNO3 = H2CO3 + 2 Na(NO3)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/04/19
Équations équilibrées sur04/03/18
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