| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cr2O7 + 7 NO2 = 2 Cr + 7 NO3
CH3(CH2)4CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)4CH3 + 19 O2 = 12 CO2 + 14 H2O
NH4HCO3 = NH3 + H2O + CO2 =>
NH4HCO3 = NH3 + H2O + CO2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
BaO2 = BaO + O2 =>
2 BaO2 = 2 BaO + O2
CaI2 + Hg(NO3)2 = HgI2 + Ca(NO3)2 =>
CaI2 + Hg(NO3)2 = HgI2 + Ca(NO3)2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
H2 + N2 = NH3 =>
3 H2 + N2 = 2 NH3
Na2O + CO2 + H2O = NaHCO3 =>
Na2O + 2 CO2 + H2O = 2 NaHCO3
Fe2(NO3)2 + K3PO4 = K3(NO3)2 + Fe2PO4 =>
Fe2(NO3)2 + K3PO4 = K3(NO3)2 + Fe2PO4
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Pb(NO3)2(aq) + KI(aq) = PbI2(s) + KNO3 =>
Pb(NO3)2(aq) + 2 KI(aq) = PbI2(s) + 2 KNO3
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
SO2 + H2O = H2SO3 =>
SO2 + H2O = H2SO3
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Zn + CuSO4 = ZnSO4 + Cu =>
Zn + CuSO4 = ZnSO4 + Cu
Li3N + NH4NO3 = LiNO3 + (NH4)3N =>
Li3N + 3 NH4NO3 = 3 LiNO3 + (NH4)3N
Cr2O7 + NO2 = Cr + NO3 =>
Cr2O7 + 7 NO2 = 2 Cr + 7 NO3
C + Fe2O3 = Fe + CO =>
3 C + Fe2O3 = 2 Fe + 3 CO
C5H12 + O2 = CO + H2O =>
2 C5H12 + 11 O2 = 10 CO + 12 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
K3PO4 + HCl = KCl + H3PO4 =>
K3PO4 + 3 HCl = 3 KCl + H3PO4
N2 + Br2 = NBr3 =>
N2 + 3 Br2 = 2 NBr3
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
HNO3 + Mg(OH)2 = H2O + Mg(NO3)2 =>
2 HNO3 + Mg(OH)2 = 2 H2O + Mg(NO3)2
Cu + ZnSO4 = CuSO4 + Zn =>
Cu + ZnSO4 = CuSO4 + Zn
Zn(s) + HCl(l) = ZnCl2(s) + H2(g) =>
Zn(s) + 2 HCl(l) = ZnCl2(s) + H2(g)
Cr2O7{-2} + HAsO2 + H{+} = H3AsO4 + Cr{+3} + H2O =>
Cr2O7{-2} + 3 HAsO2 + 8 H{+} = 3 H3AsO4 + 2 Cr{+3} + H2O
K2 + H2O = H2 + KOH =>
K2 + 2 H2O = H2 + 2 KOH
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
P2I4 + P4 + H2O = PH4I + H3PO4 =>
10 P2I4 + 13 P4 + 128 H2O = 40 PH4I + 32 H3PO4
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Ca(NO3)2 + Na3PO4 = Ca3(PO4)2 + NaNO3 =>
3 Ca(NO3)2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaNO3
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
H2(SO4) + K(OH) = H2O + K2(SO4) =>
H2(SO4) + 2 K(OH) = 2 H2O + K2(SO4)
HCl + NaHPO4 = NaCl + H2PO4 =>
HCl + NaHPO4 = NaCl + H2PO4
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
H2S + CS2 + Cu = CuS + CH4 =>
2 H2S + CS2 + 4 Cu = 4 CuS + CH4
KMnO4 + HCl = KCl + MnCl2 + Cl3 + H2O =>
3 KMnO4 + 24 HCl = 3 KCl + 3 MnCl2 + 5 Cl3 + 12 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
HCl + Na2CO3 = CO2 + NaCl + H2O =>
2 HCl + Na2CO3 = CO2 + 2 NaCl + H2O
NaBr + Ag2SO4 = Na2SO4 + AgBr =>
2 NaBr + Ag2SO4 = Na2SO4 + 2 AgBr
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
H3PO4 + NaOH = H2O + Na3PO4 =>
H3PO4 + 3 NaOH = 3 H2O + Na3PO4
H{+} + Cr2O7{2-} + C2H5OH = Cr{3+} + CO2 + H2O =>
16 H{+} + 2 Cr2O7{2-} + C2H5OH = 4 Cr{3+} + 2 CO2 + 11 H2O
Br2 + KOH = KBrO3 + KBr + H2O =>
3 Br2 + 6 KOH = KBrO3 + 5 KBr + 3 H2O
| 1 2 3 |
| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/29/10
Équations équilibrées sur04/28/09
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