| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Fe3 + 9 Ca(OH)2 = 6 Fe(OH)3 + 9 Ca
Sr + I2 = SrI2 =>
Sr + I2 = SrI2
PbS + PbO2 = PbO + SO2 =>
PbS + 3 PbO2 = 4 PbO + SO2
C3H6 + NO = C4H3N + H2O + N =>
8 C3H6 + 15 NO = 6 C4H3N + 15 H2O + 9 N
CH3CHOHCH3 + HI = H2O + CH3I =>
CH3CHOHCH3 + 3 HI = H2O + 3 CH3I
Al(s) + Cr(NO3)2(aq) = Cr(s) + Al(NO3)3(aq) =>
2 Al(s) + 3 Cr(NO3)2(aq) = 3 Cr(s) + 2 Al(NO3)3(aq)
C35H72 + S = C + H2S =>
C35H72 + 36 S = 35 C + 36 H2S
Cu + O = CuO =>
Cu + O = CuO
BCl3(g) + H2O = B(OH)3(aq) + HCl(aq) =>
BCl3(g) + 3 H2O = B(OH)3(aq) + 3 HCl(aq)
Na2S(aq) + AgNO3(aq) = Ag2S(aq) + NaNO3(aq) =>
Na2S(aq) + 2 AgNO3(aq) = Ag2S(aq) + 2 NaNO3(aq)
C2H2 = C6H6 = C6H5Cl = C6H5OH = C6H5ONa =>
3 C2H2 = C6H6
BCl3(g) + H2O = B(OH)3 + HCl =>
BCl3(g) + 3 H2O = B(OH)3 + 3 HCl
Ca(s) + H2O(l) = Ca(OH)2 + H2 =>
Ca(s) + 2 H2O(l) = Ca(OH)2 + H2
Ag(NO3)2 + KCl = AgCl + K(NO3)2 =>
Ag(NO3)2 + KCl = AgCl + K(NO3)2
C(grafita) + O2 = CO =>
2 C(grafita) + O2 = 2 CO
Fe2O3 + Na(OH) = NaFeO2 + H2O =>
Fe2O3 + 2 Na(OH) = 2 NaFeO2 + H2O
Cu + O = CuO2 =>
Cu + 2 O = CuO2
Cr + O2 + HCl = CrCl3 + H2O =>
4 Cr + 3 O2 + 12 HCl = 4 CrCl3 + 6 H2O
B + KNO2 + KOH = K3BO3 + NH3 + H2O =>
2 B + KNO2 + 5 KOH = 2 K3BO3 + NH3 + H2O
Al + Cu{2+} = Al{3+} + Cu{+} =>
Al + 3 Cu{2+} = Al{3+} + 3 Cu{+}
Fe + Cu2(SO4)2 = Fe(SO4)2 + Cu =>
Fe + Cu2(SO4)2 = Fe(SO4)2 + 2 Cu
KNO3 + H2O = H2 + NO3 + KOH =>
2 KNO3 + 2 H2O = H2 + 2 NO3 + 2 KOH
Cr2O7{-2} + H{+} + H2S = Cr{3+} + H2O + S =>
Cr2O7{-2} + 8 H{+} + 3 H2S = 2 Cr{3+} + 7 H2O + 3 S
HgS + K2S = K2[HgS2] =>
HgS + K2S = K2[HgS2]
CH3COOH + CH3CH3CH2OH = CH3COOCH2CH2CH3 + H2O =>
17 CH3COOH + 12 CH3CH3CH2OH = 14 CH3COOCH2CH2CH3 + 18 H2O
Ba(NO3)2 = Ba + NO3 =>
Ba(NO3)2 = Ba + 2 NO3
V + P = V3P2 =>
3 V + 2 P = V3P2
HClO4 + Cl2Cu = HCl + Cu(ClO4)2 =>
2 HClO4 + Cl2Cu = 2 HCl + Cu(ClO4)2
Cr2(SO4)3 + PbO2 + KOH = PbO + K2CrO4 + K2SO4 + H2O =>
Cr2(SO4)3 + 3 PbO2 + 10 KOH = 3 PbO + 2 K2CrO4 + 3 K2SO4 + 5 H2O
V + P = V3P2 =>
3 V + 2 P = V3P2
LiH + H2O = LiOH + H =>
LiH + H2O = LiOH + 2 H
B + KNO2 + KOH = K3BO3 + NH3 + H2O =>
2 B + KNO2 + 5 KOH = 2 K3BO3 + NH3 + H2O
Cr2O7{-2} + H{+} + H2S = Cr{3+} + H2O + S =>
Cr2O7{-2} + 8 H{+} + 3 H2S = 2 Cr{3+} + 7 H2O + 3 S
Cu + H2O2 = Cu2O + H2O =>
2 Cu + H2O2 = Cu2O + H2O
H3CO + O2 = CO2 + H2O =>
4 H3CO + 5 O2 = 4 CO2 + 6 H2O
Ca(s) + H2O(l) = Ca(OH)2 + H2 =>
Ca(s) + 2 H2O(l) = Ca(OH)2 + H2
CH3COOH + O2 = CO2 + H2O =>
CH3COOH + 2 O2 = 2 CO2 + 2 H2O
PbS + H2O = H2S + PbO =>
PbS + H2O = H2S + PbO
Ag(NO3)2 + KCl = AgCl + K(NO3)2 =>
Ag(NO3)2 + KCl = AgCl + K(NO3)2
KI + H2SO4 = I2 + K2SO4 + H2O + SO2 =>
2 KI + 2 H2SO4 = I2 + K2SO4 + 2 H2O + SO2
BCl3(g) + H2O = B(OH)3 + HCl =>
BCl3(g) + 3 H2O = B(OH)3 + 3 HCl
HC = HC1 =>
HC = HC1
HSO3{-} + H2O = SO3{2-} + H3O{+} =>
HSO3{-} + H2O = SO3{2-} + H3O{+}
Pb(NO3)2(aq) + Na2CO3(aq) = PbCO3 + NaNO3 =>
Pb(NO3)2(aq) + Na2CO3(aq) = PbCO3 + 2 NaNO3
Al(s) + Cr(NO3)2(aq) = Cr(s) + Al(NO3)3(aq) =>
2 Al(s) + 3 Cr(NO3)2(aq) = 3 Cr(s) + 2 Al(NO3)3(aq)
Ba(NO3)2 = BaO + N2 + O2 =>
2 Ba(NO3)2 = 2 BaO + 2 N2 + 5 O2
NH3 + H2CO3 = (NH4)2CO3 =>
2 NH3 + H2CO3 = (NH4)2CO3
H2S + O2 = HSO4{-} + H{+} =>
H2S + 2 O2 = HSO4{-} + H{+}
K2CrO4 + KI + H2O = I2 + KCrO2 + KOH =>
2 K2CrO4 + 6 KI + 4 H2O = 3 I2 + 2 KCrO2 + 8 KOH
HSO3{-} + H2O = SO4{-2} + {-} + H{+} =>
HSO3{-} + H2O = SO4{-2} + 2e + 3 H{+}
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur07/11/24
Équations équilibrées sur08/10/23
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