| Équations équilibrées la veille |
N2O5 + H2SO4 = 2 HNO3 + SO3
KCl + NH3 + CO2 + H2O = KHCO3 + NH4Cl =>
KCl + NH3 + CO2 + H2O = KHCO3 + NH4Cl
CrSO4 + H2O = CrO + H2SO4 =>
CrSO4 + H2O = CrO + H2SO4
H2SO4(aq) + LiOH(aq) = H2O + Li2SO4 =>
H2SO4(aq) + 2 LiOH(aq) = 2 H2O + Li2SO4
HCl + KOH = HOH + KCl =>
HCl + KOH = HOH + KCl
CH4O = CH4 + CO2 + H2O =>
4 CH4O = 3 CH4 + CO2 + 2 H2O
CuCl2 + HI = CuI + HCl + I =>
CuCl2 + 2 HI = CuI + 2 HCl + I
Cu(OH)2 + CO2 = Cu2CO3(OH)2 + H2O =>
2 Cu(OH)2 + CO2 = Cu2CO3(OH)2 + H2O
Na2S + HNO3 = Na2SO4 + NO + H2O =>
3 Na2S + 8 HNO3 = 3 Na2SO4 + 8 NO + 4 H2O
CH4O = CH4 + CO2 + H2O =>
4 CH4O = 3 CH4 + CO2 + 2 H2O
KI + (NH4)2S2O8 = I + (NH4)2SO4 + K2SO4 =>
2 KI + (NH4)2S2O8 = 2 I + (NH4)2SO4 + K2SO4
Fe + Al = FeAl =>
Fe + Al = FeAl
Ag(s) + S(g) = Ag2S(s) =>
2 Ag(s) + S(g) = Ag2S(s)
CuCl2 + HI = CuI + HCl + I2 =>
2 CuCl2 + 4 HI = 2 CuI + 4 HCl + I2
Ag(s) + S(g) = Ag2S(s) =>
2 Ag(s) + S(g) = Ag2S(s)
(NH4)2S + PbCl2 = PbS + NH4Cl =>
(NH4)2S + PbCl2 = PbS + 2 NH4Cl
Na2S + HNO3 = Na2SO4 + NO2 + H2O =>
Na2S + 8 HNO3 = Na2SO4 + 8 NO2 + 4 H2O
Cu(OH)2 + CO2 = CuCO3 + H2O =>
Cu(OH)2 + CO2 = CuCO3 + H2O
(NH4)2S2O8 + KI = (NH4)I + K2S2O8 =>
(NH4)2S2O8 + 2 KI = 2(NH4)I + K2S2O8
NaVO3 + H2SO4 + H2O2 = Na2SO4 + V2O6 + H2O =>
2 NaVO3 + H2SO4 + H2O2 = Na2SO4 + V2O6 + 2 H2O
KCl + Na3(Co(NO2)6) = K3(Co(NO2)6) + NaCl =>
3 KCl + Na3(Co(NO2)6) = K3(Co(NO2)6) + 3 NaCl
Al(s) + NiSO4(aq) = Ni(s) + Al2(SO4)3 =>
2 Al(s) + 3 NiSO4(aq) = 3 Ni(s) + Al2(SO4)3
Fe + Al = FeAl3 =>
Fe + 3 Al = FeAl3
Ag(s) + S(g) = Ag2S(s) =>
2 Ag(s) + S(g) = Ag2S(s)
C6H5N(CH3)2 + NaNO2 + HCl = ONC6H4N(CH3)2 + H2O + NaCl =>
C6H5N(CH3)2 + NaNO2 + HCl = ONC6H4N(CH3)2 + H2O + NaCl
BaI2 + Ag2SO4 = BaSO4 + Ag2I2 =>
BaI2 + Ag2SO4 = BaSO4 + Ag2I2
Iron3Nitrate + SodiumHydroxide = Iron3Hydroxide + SodiumNitrate =>
Iron3Nitrate + SodiumHydroxide = Iron3Hydroxide + SodiumNitrate
Ag(s) + S(g) = Ag2S(s) =>
2 Ag(s) + S(g) = Ag2S(s)
C6H5Cl + CH4 = C7H8 + HCl =>
C6H5Cl + CH4 = C7H8 + HCl
GeH4 + GeF4 = GeHF3 =>
GeH4 + 3 GeF4 = 4 GeHF3
Ag(s) + S(g) = Ag2S(s) =>
2 Ag(s) + S(g) = Ag2S(s)
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
CrO4{2-} + Pb{2+} = PbCrO4 =>
CrO4{2-} + Pb{2+} = PbCrO4
H2S + HNO3 = H2SO4 + NO2 + H2O =>
H2S + 8 HNO3 = H2SO4 + 8 NO2 + 4 H2O
Ag(s) + S(g) = Ag2S(s) =>
2 Ag(s) + S(g) = Ag2S(s)
FeS2 + H2O = Fe2O3 + H2 + H2SO4 =>
2 FeS2 + 19 H2O = Fe2O3 + 15 H2 + 4 H2SO4
KI + (NH4)2S2O8 = I + (NH4)2SO4 + K2SO4 =>
2 KI + (NH4)2S2O8 = 2 I + (NH4)2SO4 + K2SO4
KI + (NH4)2S2O8 = K2S2O8 + NH4I =>
2 KI + (NH4)2S2O8 = K2S2O8 + 2 NH4I
Al + Fe = Al2Fe3 =>
2 Al + 3 Fe = Al2Fe3
Ag(s) + S(g) = Ag2S(s) =>
2 Ag(s) + S(g) = Ag2S(s)
Ba + N2 = Ba3N2 =>
3 Ba + N2 = Ba3N2
H2S + HNO3 = H2SO4 + NO + H2O =>
3 H2S + 8 HNO3 = 3 H2SO4 + 8 NO + 4 H2O
FeS2 + H2O = Fe + SO4 + H =>
FeS2 + 8 H2O = Fe + 2 SO4 + 16 H
C2H4 + Br = CBr4 + HBr =>
C2H4 + 12 Br = 2 CBr4 + 4 HBr
Al + Fe = AlFe3 =>
Al + 3 Fe = AlFe3
KIO3 + H2SO3 = I2 + K2SO4 + H2O + H2SO4 =>
2 KIO3 + 5 H2SO3 = I2 + K2SO4 + H2O + 4 H2SO4
(NH4)2S2O8 + KI = (NH4)I + K2S2O8 =>
(NH4)2S2O8 + 2 KI = 2(NH4)I + K2S2O8
Mg + Cu3N = Mg3N2 + Cu =>
3 Mg + 2 Cu3N = Mg3N2 + 6 Cu
Au + CN{-} + O2 + H2O = [Au(CN)4]{-} + OH{-} =>
4 Au + 16 CN{-} + 3 O2 + 6 H2O = 4[Au(CN)4]{-} + 12 OH{-}
Mg + HIO3 = MgIO3 + H2 =>
2 Mg + 2 HIO3 = 2 MgIO3 + H2
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