| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 Cu + 3 O2 = 2 Cu2O3
Pb3O4 + Mn(NO3) + HNO3 = MnO2 + Pb(NO3)2 + H2O =>
3 Pb3O4 + 2 Mn(NO3) + 16 HNO3 = 2 MnO2 + 9 Pb(NO3)2 + 8 H2O
NaHCO3 + HCl = NaCl + CO2 + H2O =>
NaHCO3 + HCl = NaCl + CO2 + H2O
Ba(OH)2 + HNO3 = Ba(NO3)2 + H2O =>
Ba(OH)2 + 2 HNO3 = Ba(NO3)2 + 2 H2O
KMnO4 + Na2S + H2O = KOH + MnO2 + NaOH + S =>
2 KMnO4 + 3 Na2S + 4 H2O = 2 KOH + 2 MnO2 + 6 NaOH + 3 S
Zn + HNO3 = H2O + N20 + Zn(NO3)2 =>
50 Zn + 120 HNO3 = 60 H2O + N20 + 50 Zn(NO3)2
B2O3(s) + HF(l) = BF3(g) + H2O(l) =>
B2O3(s) + 6 HF(l) = 2 BF3(g) + 3 H2O(l)
Zn + HNO3 = H2O + N2O + Zn(NO3)2 =>
4 Zn + 10 HNO3 = 5 H2O + N2O + 4 Zn(NO3)2
Ni + HCl = NiCl + H2 =>
2 Ni + 2 HCl = 2 NiCl + H2
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
H2SO4 + Al(OH)3 = Al2(SO4)3 + H2O =>
3 H2SO4 + 2 Al(OH)3 = Al2(SO4)3 + 6 H2O
AgNO3 + KI = AgI + K(NO3) =>
AgNO3 + KI = AgI + K(NO3)
Ca(NO3)2(ac) + Na2SO4(ac) = CaSO4(s) + NaNO3(ac) =>
Ca(NO3)2(ac) + Na2SO4(ac) = CaSO4(s) + 2 NaNO3(ac)
P4 + HNO3 = P2O5 + N2 + H20 =>
6 P4 + 20 HNO3 = 12 P2O5 + 10 N2 + H20
Mg + NaOH = Mg(OH)2 + Na =>
Mg + 2 NaOH = Mg(OH)2 + 2 Na
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
KMnO4 + H2SO4 + SnCl2 = MnSO4 + K2SO4 + SnCl4 + H2O + Sn(SO4)2 =>
4 KMnO4 + 16 H2SO4 + 10 SnCl2 = 4 MnSO4 + 2 K2SO4 + 5 SnCl4 + 16 H2O + 5 Sn(SO4)2
NaN3(s) = Na(s) + N2(g) =>
2 NaN3(s) = 2 Na(s) + 3 N2(g)
K + O2 = KO =>
2 K + O2 = 2 KO
AlNa(OH)2(CO3) + HCl = H2O + H2CO3 + AlCl3 + NaCl =>
AlNa(OH)2(CO3) + 4 HCl = 2 H2O + H2CO3 + AlCl3 + NaCl
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Mn + BiO = MnO4 + Bi =>
Mn + 4 BiO = MnO4 + 4 Bi
CuFeS2 + O2 = Cu + FeO + SO2 =>
2 CuFeS2 + 5 O2 = 2 Cu + 2 FeO + 4 SO2
P2 + O3 = P2O3 =>
P2 + O3 = P2O3
B2O3 + C = B4C + CO =>
2 B2O3 + 7 C = B4C + 6 CO
P + O3 = P2O3 =>
2 P + O3 = P2O3
C4H8 + CH4 = C2H6 =>
C4H8 + 4 CH4 = 4 C2H6
CrO3 + Na2CO3 = Na2CrO4 + CO2 =>
CrO3 + Na2CO3 = Na2CrO4 + CO2
Ca(s) + N2 = Ca3N2(s) =>
3 Ca(s) + N2 = Ca3N2(s)
P2 + O3 = P2O3 =>
P2 + O3 = P2O3
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Li + Cl2 = LiCl =>
2 Li + Cl2 = 2 LiCl
P + O3 = P2O3 =>
2 P + O3 = P2O3
C3H6O2 + O2 = CO2 + H2O =>
2 C3H6O2 + 7 O2 = 6 CO2 + 6 H2O
B2H6 + O2 = HBO2 + H2O =>
B2H6 + 3 O2 = 2 HBO2 + 2 H2O
P2 + O3 = P2O3 =>
P2 + O3 = P2O3
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
Zn + H3O{+} + H2O = [Zn(H2O)6]{2+} + H2 =>
Zn + 2 H3O{+} + 4 H2O = [Zn(H2O)6]{2+} + H2
NaHSO3 + H2SO4 = NaSO4 + SO2 + H2O =>
2 NaHSO3 + 3 H2SO4 = 2 NaSO4 + 3 SO2 + 4 H2O
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
AgNO3 + H2S = Ag2S + HNO3 =>
2 AgNO3 + H2S = Ag2S + 2 HNO3
K2Cr2O7 + FeCl2 + HCl = CrCl3 + KCl + FeCl3 + H2O =>
K2Cr2O7 + 6 FeCl2 + 14 HCl = 2 CrCl3 + 2 KCl + 6 FeCl3 + 7 H2O
K + O2 = KO2 =>
K + O2 = KO2
AgNO3 + CaCl2 = AgCl + Ca(NO3)2 =>
2 AgNO3 + CaCl2 = 2 AgCl + Ca(NO3)2
Cr2(SO4)3 + Na2HPO4 = Na2SO4 + CrPO4 + NaH2PO4 =>
Cr2(SO4)3 + 4 Na2HPO4 = 3 Na2SO4 + 2 CrPO4 + 2 NaH2PO4
Xe + F = XeF6 =>
Xe + 6 F = XeF6
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/07/15
Équations équilibrées sur03/09/14
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