| Équations équilibrées la veille |
6 KMnO4 + 5 BiBr2 + 24 H2SO4 = 5 Br2 + 6 MnSO4 + 3 K2SO4 + 5 BiS3O12 + 24 H2O
C20H16N4FeCl2 + C10H8AuCl3N2S2 = C40H32Au2Cl6FeN8S4 + Cl2 =>
C20H16N4FeCl2 + 2 C10H8AuCl3N2S2 = C40H32Au2Cl6FeN8S4 + Cl2
NH4 + Ca(OH)2 = NH3 + H2O + Ca =>
2 NH4 + Ca(OH)2 = 2 NH3 + 2 H2O + Ca
V2O5 + S + H2SO4 = V2(SO4)3 + H2O =>
3 V2O5 + 2 S + 7 H2SO4 = 3 V2(SO4)3 + 7 H2O
K(s) + AgNO3(aq) = KNO3(aq) + Ag(s) =>
K(s) + AgNO3(aq) = KNO3(aq) + Ag(s)
Cl2(g) + NaBr(s) = NaCl(s) + Br2(l) =>
Cl2(g) + 2 NaBr(s) = 2 NaCl(s) + Br2(l)
Cu + AgNO3 = Cu2NO3 + Ag =>
2 Cu + AgNO3 = Cu2NO3 + Ag
NH3 + NO = N2 + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O
NaHCO3 + H3C6H5O7 = CO2 + H2O + Na3C6H5O7 =>
3 NaHCO3 + H3C6H5O7 = 3 CO2 + 3 H2O + Na3C6H5O7
C5H12(g) + O2(g) = CO2(g) + H2O(g) =>
C5H12(g) + 8 O2(g) = 5 CO2(g) + 6 H2O(g)
Na2(SO4) + H2O = NaOH + H2SO4 =>
Na2(SO4) + 2 H2O = 2 NaOH + H2SO4
C6H14 + S3 = C3S2 + HS =>
C6H14 + 6 S3 = 2 C3S2 + 14 HS
(COOH)2 + KMnO4 + H2SO4 = H2O + K2SO4 + MnSO4 + CO2 =>
5(COOH)2 + 2 KMnO4 + 3 H2SO4 = 8 H2O + K2SO4 + 2 MnSO4 + 10 CO2
P4 + NO2 = P4O6 + N2 =>
2 P4 + 6 NO2 = 2 P4O6 + 3 N2
MgSO4(aq) + CaS(aq) = CaSO4(s) + MgS =>
MgSO4(aq) + CaS(aq) = CaSO4(s) + MgS
Fe(NO3)3 + NaSCN + H2O = [Fe(H2O)5SCN]{2+} + Na{+} + NO3{-} =>
Fe(NO3)3 + NaSCN + 5 H2O = [Fe(H2O)5SCN]{2+} + Na{+} + 3 NO3{-}
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
PH3 + H2O = PH2 + H3O =>
PH3 + H2O = PH2 + H3O
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Ce(OH)3 = CeO2 + H2O + H =>
Ce(OH)3 = CeO2 + H2O + H
Si + HNO3 = SiO2 + NO + H2O =>
3 Si + 4 HNO3 = 3 SiO2 + 4 NO + 2 H2O
Al + SO3 = Al2SO3 =>
2 Al + SO3 = Al2SO3
SNCl4 + NH3 = SNCl3 + HCl2 + N2 =>
12 SNCl4 + 2 NH3 = 12 SNCl3 + 6 HCl2 + N2
Ca + Cl2 = CaCl2 =>
Ca + Cl2 = CaCl2
Si + HNO3 + HF = NO + H2O + SiF4 =>
3 Si + 4 HNO3 + 12 HF = 4 NO + 8 H2O + 3 SiF4
NaOH(aq) + Zn(OH)2 = Na2ZnO2 + H2O =>
2 NaOH(aq) + Zn(OH)2 = Na2ZnO2 + 2 H2O
HPO2 + Cr(OH)2 = CrHPO3 + H2O =>
HPO2 + Cr(OH)2 = CrHPO3 + H2O
Mg{+2} + CO3{-2} = MgCO3 =>
Mg{+2} + CO3{-2} = MgCO3
HNO2 + Al(OH)3 = Al(OH)(NO2)2 + H2O =>
2 HNO2 + Al(OH)3 = Al(OH)(NO2)2 + 2 H2O
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
N2 + Li = LiN3 =>
3 N2 + 2 Li = 2 LiN3
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
SO2 + I2 + H2O = I2{-} + SO4{2-} + H{+} =>
SO2 + 2 I2 + 2 H2O = 2 I2{-} + SO4{2-} + 4 H{+}
Bi + O = BiO =>
Bi + O = BiO
Pb(NO3) + Ag = Pb + Ag(NO3)2 =>
2 Pb(NO3) + Ag = 2 Pb + Ag(NO3)2
SrSO4 = SrO + SO2 + O2 =>
2 SrSO4 = 2 SrO + 2 SO2 + O2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Fe + NaNO3 = NaFe(NO3) =>
Fe + NaNO3 = NaFe(NO3)
Zn(s) + H2SO4(aq) = ZnSO4(aq) + H2(g) =>
Zn(s) + H2SO4(aq) = ZnSO4(aq) + H2(g)
Si + H2O2 = SiO2 + H2 =>
Si + H2O2 = SiO2 + H2
KAlSi3O8 + H2CO3 + H2O = Al2Si2O5(OH)4 + K2CO3 + SiO2 =>
2 KAlSi3O8 + H2CO3 + H2O = Al2Si2O5(OH)4 + K2CO3 + 4 SiO2
MgSO3 + HCl = MgCl + HSO3 =>
MgSO3 + HCl = MgCl + HSO3
MgCO3 = MgO + CO2 =>
MgCO3 = MgO + CO2
NH3 + CuO = Cu + N2 + H2O =>
2 NH3 + 3 CuO = 3 Cu + N2 + 3 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
H2 + CuO = Cu + H2O =>
H2 + CuO = Cu + H2O
HCl(aq) + Hg2(NO3)2(aq) = HNO3 + HgCl =>
2 HCl(aq) + Hg2(NO3)2(aq) = 2 HNO3 + 2 HgCl
NaBrO = BrO + Na =>
NaBrO = BrO + Na
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