| Équations équilibrées la veille |
(NH4)2S + Hg(NO3)2 = HgS + 2 NH4NO3
CaO + SiO2 = CaSiO3 =>
CaO + SiO2 = CaSiO3
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
NO + Fe{3+} + OH{-} = NO3{-} + Fe{2+} + H2O =>
NO + 3 Fe{3+} + 4 OH{-} = NO3{-} + 3 Fe{2+} + 2 H2O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Mg + Cr(No3)2 = Mg(No3)2 + Cr =>
Mg + Cr(No3)2 = Mg(No3)2 + Cr
HCN + Cu(SO4) = Cu + C(SO4)2 + H2 + N2 =>
2 HCN + 4 Cu(SO4) = 4 Cu + 2 C(SO4)2 + H2 + N2
K2S + CdCl2 = K2Cl2 + CdS =>
K2S + CdCl2 = K2Cl2 + CdS
Na2S(s) + HCl(aq) = NaCl(aq) + H2S(g) =>
Na2S(s) + 2 HCl(aq) = 2 NaCl(aq) + H2S(g)
AgH2O = Ag + H2O =>
AgH2O = Ag + H2O
Mn + H2O = MnO4 + H{+} + e =>
Mn + 4 H2O = MnO4 + 8 H{+} + 8e
K + Fe2(CO3)3 = KCO3 + Fe =>
3 K + Fe2(CO3)3 = 3 KCO3 + 2 Fe
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
C3H8O3 = CH4 + H2O + CO2 =>
4 C3H8O3 = 7 CH4 + 2 H2O + 5 CO2
CH3CH2CH2CH3 + O2 = CO2 + H2O =>
2 CH3CH2CH2CH3 + 13 O2 = 8 CO2 + 10 H2O
Cd(NO3)2 + HgS = CdS + Hg(NO3)2 =>
Cd(NO3)2 + HgS = CdS + Hg(NO3)2
CO(NH2)2 + H2SO4 + SO3 = NH2SO3H + CO2 =>
CO(NH2)2 + H2SO4 + SO3 = 2 NH2SO3H + CO2
C970H55 + O2 = CO2 + H2O =>
4 C970H55 + 3935 O2 = 3880 CO2 + 110 H2O
Ca3(PO4)2 + H{+} + SO4{-2) = CaSO4+H3PO4 =>
Ca3(PO4)2 + 6 H{+} + 3 SO4{-2) = 3 CaSO4+2H3PO4
NH3 + H2O = NH3OH + H2 =>
2 NH3 + 2 H2O = 2 NH3OH + H2
K2S + CdCl2 = KCl + CdS =>
K2S + CdCl2 = 2 KCl + CdS
HCO + H = H2CO =>
HCO + H = H2CO
SnO2(aq) + H2(g) = Sn(aq) + H2O(l) =>
SnO2(aq) + 2 H2(g) = Sn(aq) + 2 H2O(l)
KMnO4 + Na2S + H2O = KOH + NaOH + MnO2 + S =>
2 KMnO4 + 3 Na2S + 4 H2O = 2 KOH + 6 NaOH + 2 MnO2 + 3 S
I2 + Na2S2O3 = NaI + Na2S4O6 =>
I2 + 2 Na2S2O3 = 2 NaI + Na2S4O6
Ca + Cu(NO3)2 = Ca(NO3)2 + Cu =>
Ca + Cu(NO3)2 = Ca(NO3)2 + Cu
Na2NH + H2O = NH3 + NaOH =>
Na2NH + 2 H2O = NH3 + 2 NaOH
AgNO3 + Al = Ag + Al(NO3)3 =>
3 AgNO3 + Al = 3 Ag + Al(NO3)3
F2 + Cl4 = F4Cl8 =>
2 F2 + 2 Cl4 = F4Cl8
CoCl2 + NH3 + H2O = Co(NH3)4(H2O)2 + NH4Cl + OH =>
CoCl2 + 6 NH3 + 4 H2O = Co(NH3)4(H2O)2 + 2 NH4Cl + 2 OH
Cu(NO3)2 + MgSO4 = CuSO4 + Mg(NO3)2 =>
Cu(NO3)2 + MgSO4 = CuSO4 + Mg(NO3)2
FeCl3(ac) + Ca(OH)2(ac) = CaCl2(ac) + Fe(OH)3(ac) =>
2 FeCl3(ac) + 3 Ca(OH)2(ac) = 3 CaCl2(ac) + 2 Fe(OH)3(ac)
FeS + H2O + O2 = Fe(OH) + S =>
4 FeS + 2 H2O + O2 = 4 Fe(OH) + 4 S
H3P04 = H2 + P4 =>
2 H3P04 = 3 H2 + 2 P4
CaCl2(aq) + Na2CO3(aq) = CaCO3(aq) + NaCl(s) =>
CaCl2(aq) + Na2CO3(aq) = CaCO3(aq) + 2 NaCl(s)
CeO2 = Ce + O =>
CeO2 = Ce + 2 O
Mg(ClO3)2 + Ag(NO3) = Mg(NO3)2 + Ag(ClO3) =>
Mg(ClO3)2 + 2 Ag(NO3) = Mg(NO3)2 + 2 Ag(ClO3)
Co(NO3)2 + H2O = Co(OH)2 + HNO3 =>
Co(NO3)2 + 2 H2O = Co(OH)2 + 2 HNO3
Na2CO3 + HNO3 = NaNO3 + CO2 + H2O =>
Na2CO3 + 2 HNO3 = 2 NaNO3 + CO2 + H2O
C9H20N2O5 + O2 = H2O + C6H12O6 + N2 =>
2 C9H20N2O5 + 5 O2 = 2 H2O + 3 C6H12O6 + 2 N2
Mg + I = MgI2 =>
Mg + 2 I = MgI2
(NH3) + SO2 + H2O = (NH4)2SO3 =>
2(NH3) + SO2 + H2O = (NH4)2SO3
(CH3)2S + O2 = CO2 + H2O + S =>
2(CH3)2S + 7 O2 = 4 CO2 + 6 H2O + 2 S
CS2 + NH3 = H2S + NH4SCN =>
CS2 + 2 NH3 = H2S + NH4SCN
Ag + FeSO4 = Ag2(SO4)3 + Fe =>
2 Ag + 3 FeSO4 = Ag2(SO4)3 + 3 Fe
C14H30 + O2 = CO2 + H2O =>
2 C14H30 + 43 O2 = 28 CO2 + 30 H2O
C16H32O2 + NaOH = C6H12O6 + Na + H2O =>
3 C16H32O2 + 84 NaOH = 8 C6H12O6 + 84 Na + 42 H2O
C6H8O7 + C2H5OH = C10H12O3 + H2O =>
7 C6H8O7 + 24 C2H5OH = 9 C10H12O3 + 46 H2O
Cd(NO3)2 + HgS = CdS + Hg(NO3)2 =>
Cd(NO3)2 + HgS = CdS + Hg(NO3)2
B5H9 + H2O = H3(BO3) + H2 =>
B5H9 + 15 H2O = 5 H3(BO3) + 12 H2
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