| Équations équilibrées la veille |
Br2(aq) + 2 I{-} = 2 Br{-}(aq) + I2(l)
SiO(s) + Cl2(g) = SiCl4(l) + O2(g) =>
2 SiO(s) + 4 Cl2(g) = 2 SiCl4(l) + O2(g)
C12H11N + NO3 = C12H8N + NH3 + O2 =>
2 C12H11N + 2 NO3 = 2 C12H8N + 2 NH3 + 3 O2
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Hg2(NO3)2 + KClO3 + HNO3 = Hg(NO3)2 + KCl + H2O =>
3 Hg2(NO3)2 + KClO3 + 6 HNO3 = 6 Hg(NO3)2 + KCl + 3 H2O
C14H29CO2CH3 + O2 = CO2 + H2O =>
C14H29CO2CH3 + 23 O2 = 16 CO2 + 16 H2O
ZnCl2 + H2S3 = ZnS3 + HCl =>
ZnCl2 + H2S3 = ZnS3 + 2 HCl
(CH2O)2 = C2 + H2O =>
(CH2O)2 = C2 + 2 H2O
S2O8 + KI + Na2S2O3 = S2O3 + NaI + K2S2O8 =>
S2O8 + 2 KI + Na2S2O3 = S2O3 + 2 NaI + K2S2O8
K2CrO4 + (Pb(NO3)2) = PbCrO4 + KNO3 =>
K2CrO4 + (Pb(NO3)2) = PbCrO4 + 2 KNO3
CrO2{-} + OH{-} = CrO4{-2} + H2O + {-} =>
CrO2{-} + 4 OH{-} = CrO4{-2} + 2 H2O + 3e
MoS + PbO2 + HNO3 = H2MoO4 + H2SO4 + Pb(NO3)2 + H2O =>
MoS + 6 PbO2 + 12 HNO3 = H2MoO4 + H2SO4 + 6 Pb(NO3)2 + 4 H2O
HOCl + CaO = CaCl2 + H2 + O2 =>
4 HOCl + 2 CaO = 2 CaCl2 + 2 H2 + 3 O2
NO2{-} + Zn + OH{-} = NH3 + ZnO2{2-} + H2O =>
NO2{-} + 3 Zn + 5 OH{-} = NH3 + 3 ZnO2{2-} + H2O
PCl3(l) + KClO3(s) = POCl3(l) + KCl(aq) =>
3 PCl3(l) + KClO3(s) = 3 POCl3(l) + KCl(aq)
KClO3 + HI + H2SO4 = KHSO4*HCl + I2 + H2O =>
KClO3 + 6 HI + H2SO4 = KHSO4*HCl + 3 I2 + 3 H2O
NH3 + HNO3 = H2O + N2O2 =>
3 NH3 + 5 HNO3 = 7 H2O + 4 N2O2
Mg + H{+} = Mg{+} + H2 =>
2 Mg + 2 H{+} = 2 Mg{+} + H2
Zn(aq) + OH(aq) = Zn(OH)2(s) =>
Zn(aq) + 2 OH(aq) = Zn(OH)2(s)
KMnO4 + KCl + H2SO4 = Mn(SO4)2 + K2SO4 + Cl + H2O =>
KMnO4 + 3 KCl + 4 H2SO4 = Mn(SO4)2 + 2 K2SO4 + 3 Cl + 4 H2O
Fe2(SO4)3 + KSCN = K3[Fe(SCN)6] + K2SO4 =>
Fe2(SO4)3 + 12 KSCN = 2 K3[Fe(SCN)6] + 3 K2SO4
K2Cr2O7 + HI = I2 + CrI3 + KI + H2O =>
K2Cr2O7 + 14 HI = 3 I2 + 2 CrI3 + 2 KI + 7 H2O
H2SO3 + O2 = H2SO4 =>
2 H2SO3 + O2 = 2 H2SO4
VO2 + HCl = [VO(H2O)]Cl2 =>
VO2 + 2 HCl = [VO(H2O)]Cl2
CSeS + N2O3 = SSeO5 + N2 + CO2 =>
3 CSeS + 7 N2O3 = 3 SSeO5 + 7 N2 + 3 CO2
O2 + C5H12O2 = CO2 + H2O =>
7 O2 + C5H12O2 = 5 CO2 + 6 H2O
Hg + NaNO3 + H2SO4 = Na2SO4 + HgSO4 + NO2 + H2O =>
Hg + 2 NaNO3 + 2 H2SO4 = Na2SO4 + HgSO4 + 2 NO2 + 2 H2O
NH4HCO3 + HNO3 = NH4NO2 + H2O + CO2 =>
5 NH4HCO3 + 3 HNO3 = 4 NH4NO2 + 6 H2O + 5 CO2
CrSe3 + HNO3 + PbO2 = H2CrO7 + H2SeO4 + Pb(NO3)2 + H2O =>
CrSe3 + 30 HNO3 + 15 PbO2 = H2CrO7 + 3 H2SeO4 + 15 Pb(NO3)2 + 11 H2O
(NH4)2S + O2 = N2O5 + H2O + SO3 =>
(NH4)2S + 6 O2 = N2O5 + 4 H2O + SO3
Cu(s) + AgNO3(aq) = Cu(NO3)2(aq) + Ag(s) =>
Cu(s) + 2 AgNO3(aq) = Cu(NO3)2(aq) + 2 Ag(s)
CuS + AgNO3 = Cu(NO3)2 + Ag2S =>
CuS + 2 AgNO3 = Cu(NO3)2 + Ag2S
H2S + HSO4 = SO2 + H2O =>
H2S + 2 HSO4 = 3 SO2 + 2 H2O
Fe(NO3)2(aq) + MgSO4 = Mg(NO3)2 + FeSO4 =>
Fe(NO3)2(aq) + MgSO4 = Mg(NO3)2 + FeSO4
Pb(NO3)2(aq)CaCl2(aq) = PbCl2(s)Ca(NO3)2(aq) =>
Pb(NO3)2(aq)CaCl2(aq) = PbCl2(s)Ca(NO3)2(aq)
H5P3O10 + H2O = H3PO4 =>
H5P3O10 + 2 H2O = 3 H3PO4
HBr + KBrO3 = Br + H2O + KBr =>
6 HBr + KBrO3 = 6 Br + 3 H2O + KBr
H2S + KOH = HOH + K2S =>
H2S + 2 KOH = 2 HOH + K2S
C3H7COOH + O2 = CO2 + H2O =>
C3H7COOH + 5 O2 = 4 CO2 + 4 H2O
Fe + Cu(SO3) = Cu + Fe(SO3) =>
Fe + Cu(SO3) = Cu + Fe(SO3)
Mg(MnO4)2 + K = Mg + KMnO4 =>
Mg(MnO4)2 + 2 K = Mg + 2 KMnO4
MgSO4 + NaOH = MgNa + SO4OH =>
MgSO4 + NaOH = MgNa + SO4OH
C*2H*5OH + O*2 = H*2O + CO*2 =>
C*2H*5OH + 10 O*2 = 7 H*2O + CO*2
PH3 + CuSO4 + H2O = H3PO3 + Cu + H2SO4 =>
PH3 + 3 CuSO4 + 3 H2O = H3PO3 + 3 Cu + 3 H2SO4
NaAu(CN)2(aq) + Zn(s) = Na2Zn(CN)4(aq) + Au(s) =>
2 NaAu(CN)2(aq) + Zn(s) = Na2Zn(CN)4(aq) + 2 Au(s)
H2CO3 + Li2(OH)2 = Li2CO3 + H2O =>
H2CO3 + Li2(OH)2 = Li2CO3 + 2 H2O
CuS + HNO3 = Cu(NO3)2 + SO2 + NO + H2O =>
CuS + 4 HNO3 = Cu(NO3)2 + SO2 + 2 NO + 2 H2O
N2 + H2 = NH =>
N2 + H2 = 2 NH
Pb(NO3)2 = Pb4O2 + NO2 + O2 =>
4 Pb(NO3)2 = Pb4O2 + 8 NO2 + 3 O2
KBr + CaCO3 = K2CO3 + CaBr2 =>
2 KBr + CaCO3 = K2CO3 + CaBr2
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