| Équations équilibrées la veille |
F + Ni2I = I + Ni2F
Pb[NO3]2 + Fe2[SO4]3 = Fe[NO3]3 + PbSO4 =>
3 Pb[NO3]2 + Fe2[SO4]3 = 2 Fe[NO3]3 + 3 PbSO4
Cu + HI = CuI2 + H2 =>
Cu + 2 HI = CuI2 + H2
LiS = Li2S2 =>
2 LiS = Li2S2
Cr(OH)2Br + KOH = KBr + Cr(OH)3 =>
Cr(OH)2Br + KOH = KBr + Cr(OH)3
H2S + Na2S = NaHS =>
H2S + Na2S = 2 NaHS
Na2SO4(aq) + KI(aq) = Na2I(aq) + KSO4(aq) =>
Na2SO4(aq) + KI(aq) = Na2I(aq) + KSO4(aq)
C3H6 + HOH = C3H7OH =>
C3H6 + HOH = C3H7OH
C2H3O2 = CO2 + C2H6 =>
2 C2H3O2 = 2 CO2 + C2H6
NaCl(electricity) = Na + Cl2 =>
2 NaCl(electricity) = 2 Na + Cl2
NH3 + Fe(NO3)3 = Fe(NH3)4 + NO3 =>
4 NH3 + Fe(NO3)3 = Fe(NH3)4 + 3 NO3
C7H17(l) + O2(g) = CO2(g) + H2O(g) =>
4 C7H17(l) + 45 O2(g) = 28 CO2(g) + 34 H2O(g)
PbS + HCl = PbCl + SH =>
PbS + HCl = PbCl + SH
Na2CO3 + Mn(NO3)2 = Na(NO3)2 + Mn2CO3 =>
Na2CO3 + 2 Mn(NO3)2 = 2 Na(NO3)2 + Mn2CO3
H2S + CrF2 = HF + Cr2S2 =>
2 H2S + 2 CrF2 = 4 HF + Cr2S2
C8Li18 + S2 = CS2 + Li2S =>
2 C8Li18 + 25 S2 = 16 CS2 + 18 Li2S
NaAsO2 + C6H8O7 = As2O3 + C6H8O7Na + O2 =>
4 NaAsO2 + 4 C6H8O7 = 2 As2O3 + 4 C6H8O7Na + O2
Fe + HNO3(conc) = Fe(NO3)3 + NO + H2O =>
Fe + 4 HNO3(conc) = Fe(NO3)3 + NO + 2 H2O
HCl + NO3 = HNO3 + Cl =>
HCl + NO3 = HNO3 + Cl
Pb(NO3)2 + KN3 = Pb(N3)2 + KNO3 =>
Pb(NO3)2 + 2 KN3 = Pb(N3)2 + 2 KNO3
NH3 + O4 = NO + H2O =>
8 NH3 + 5 O4 = 8 NO + 12 H2O
I2 + KMnO4 + H2SO4 = KIO3 + MnO2 + KSO4 + H2O =>
I2 + 4 KMnO4 + 2 H2SO4 = 2 KIO3 + 4 MnO2 + 2 KSO4 + 2 H2O
H2O1SO2 = H2SO3 =>
H2O1SO2 = H2SO3
C2H66 + O2 = CO2 + H2O =>
2 C2H66 + 37 O2 = 4 CO2 + 66 H2O
Na + FeO2 = Na2O + Fe =>
4 Na + FeO2 = 2 Na2O + Fe
C6N6FeK4 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + CO2 + HNO3 + Cr2(SO4)3 + K2(SO4) + H2O =>
6 C6N6FeK4 + 61 K2Cr2O7 + 265 H2SO4 = 3 Fe2(SO4)3 + 36 CO2 + 36 HNO3 + 61 Cr2(SO4)3 + 73 K2(SO4) + 247 H2O
CaH2CO3 = CaCO3H2 =>
CaH2CO3 = CaCO3H2
H5 = H8 =>
8 H5 = 5 H8
K2Cr2O7 + H2(SO4) + FeSO4 = Cr2(SO4)3 + Fe2(SO4)3 + H2O + K2SO4 =>
K2Cr2O7 + 7 H2(SO4) + 6 FeSO4 = Cr2(SO4)3 + 3 Fe2(SO4)3 + 7 H2O + K2SO4
CuO(s) + H3O{+}(aq) = Cu{2+}(aq) + H2O(l) =>
CuO(s) + 2 H3O{+}(aq) = Cu{2+}(aq) + 3 H2O(l)
CuS + O2 + H2O = Cu2O + H2SO4 =>
4 CuS + 7 O2 + 4 H2O = 2 Cu2O + 4 H2SO4
H{+} + Cr2O7{2-} = Cr + O2 + H2O =>
2 H{+} + Cr2O7{2-} = 2 Cr + 3 O2 + H2O
KCIO3 + KBr + H2O = KCI + Br2 + KOH =>
KCIO3 + 6 KBr + 3 H2O = KCI + 3 Br2 + 6 KOH
Na(OH)2 + KHP = H2O + Na + KP =>
Na(OH)2 + 2 KHP = 2 H2O + Na + 2 KP
HOOCCOOH(aq) = H + O + C =>
HOOCCOOH(aq) = 2 H + 4 O + 2 C
K2 + HCl = KCl + H =>
K2 + 2 HCl = 2 KCl + 2 H
HOOCCOOH(aq) = H + O + C =>
HOOCCOOH(aq) = 2 H + 4 O + 2 C
KCIO3 + KBr + H2O = KCI + Br2 + KOH =>
KCIO3 + 6 KBr + 3 H2O = KCI + 3 Br2 + 6 KOH
H2S + HNO3 = S + NO + H2O =>
3 H2S + 2 HNO3 = 3 S + 2 NO + 4 H2O
C13H8O + NaBH4 + CH3OH = C13H10O + NaBO3 =>
29 C13H8O + 4 NaBH4 + 13 CH3OH = 30 C13H10O + 4 NaBO3
H2SO4 + (NH4)2OH = H2O + SO4 + (NH4)2 =>
H2SO4 + 2(NH4)2OH = 2 H2O + SO4 + 2(NH4)2
HOOCCOOH(aq) = H + O + C =>
HOOCCOOH(aq) = 2 H + 4 O + 2 C
KMnO4 + (COONa)2 + H2SO4 = CO2 + H2O + Na2SO4 + MnSO4 + K2SO4 =>
2 KMnO4 + 5(COONa)2 + 8 H2SO4 = 10 CO2 + 8 H2O + 5 Na2SO4 + 2 MnSO4 + K2SO4
Pb(NO3)2 + NaN3 = Pb(N3)2 + NaNO3 =>
Pb(NO3)2 + 2 NaN3 = Pb(N3)2 + 2 NaNO3
Ti2NbC2F2 = Nb2C + TiC + TiF3 + C =>
6 Ti2NbC2F2 = 3 Nb2C + 8 TiC + 4 TiF3 + C
Ni2Cl + O2 = Ni2O2 + Cl2O5 =>
4 Ni2Cl + 9 O2 = 4 Ni2O2 + 2 Cl2O5
Fe2O3 + Na2B4O7 = Na3[Fe(BO2)6] =>
Fe2O3 + 3 Na2B4O7 = 2 Na3[Fe(BO2)6]
K[Cr(OH)4] + CO2 = KHCO3 + Cr(OH)3 =>
K[Cr(OH)4] + CO2 = KHCO3 + Cr(OH)3
H2SO4(l) + CaCO3(s) = CaSO4 + H2O + CO2 =>
H2SO4(l) + CaCO3(s) = CaSO4 + H2O + CO2
KCIO3 + KBr + H2O = KCI + Br2 + KOH =>
KCIO3 + 6 KBr + 3 H2O = KCI + 3 Br2 + 6 KOH
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Équations équilibrées sur12/20/24
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