| Équations équilibrées la veille |
2 Al + 6 HBr = 2 AlBr3 + 3 H2
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
NaClO3 = NaCl + O =>
NaClO3 = NaCl + 3 O
Ca + HNO3 = Ca(NO3)2 + N2 + H2O =>
5 Ca + 12 HNO3 = 5 Ca(NO3)2 + N2 + 6 H2O
Na2SO4 + Ba(NO3)2 = Ba2SO4 + Na(NO3)2 =>
Na2SO4 + 2 Ba(NO3)2 = Ba2SO4 + 2 Na(NO3)2
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
NaHCO3(s) + CH3COOH(l) = NaOOCCH3(aq) + CO2(g) + H2O(l) =>
NaHCO3(s) + CH3COOH(l) = NaOOCCH3(aq) + CO2(g) + H2O(l)
Cr + KMnO4 = Cr2O3 + K2O + MnO2 =>
2 Cr + 2 KMnO4 = Cr2O3 + K2O + 2 MnO2
KOH + Na2HPO4 = Na3PO4 + KH2PO4 + H2O =>
KOH + 3 Na2HPO4 = 2 Na3PO4 + KH2PO4 + H2O
FeCl3 + NaOH = FeH3 + NaCl + O =>
FeCl3 + 3 NaOH = FeH3 + 3 NaCl + 3 O
V2O5 + H2 = VO2 + H2O =>
V2O5 + H2 = 2 VO2 + H2O
NaH2PO2 + KMnO4 + H2O = MnO2 + NaH2PO4 + KOH =>
3 NaH2PO2 + 4 KMnO4 + 2 H2O = 4 MnO2 + 3 NaH2PO4 + 4 KOH
MgCl2 + NaOH = Mg + OH + NaCl =>
MgCl2 + 2 NaOH = Mg + 2 OH + 2 NaCl
Na2SO3 + HI = H2SO3 + NaI =>
Na2SO3 + 2 HI = H2SO3 + 2 NaI
Na2CrO4 + HCl = NaCl + H2CrO4 =>
Na2CrO4 + 2 HCl = 2 NaCl + H2CrO4
MgCl2 + NaOH = Mg(OH)2 + NaCl =>
MgCl2 + 2 NaOH = Mg(OH)2 + 2 NaCl
NaNO3 + NaClO = NaCl + NaNO4 =>
NaNO3 + NaClO = NaCl + NaNO4
K2SO3 + H2SO4 = K2SO4 + H2SO3 =>
K2SO3 + H2SO4 = K2SO4 + H2SO3
Mg3(PO4)2 + CO2 + Si = MgCO3 + SiO + P =>
Mg3(PO4)2 + 3 CO2 + 5 Si = 3 MgCO3 + 5 SiO + 2 P
Fe2(SO4)3 + MgS = Fe2S3 + MgSO4 =>
Fe2(SO4)3 + 3 MgS = Fe2S3 + 3 MgSO4
C2H5OH + H3O{+} + Cr2O7{2-} = CH3COOH + H2O + Cr{3+} =>
3 C2H5OH + 16 H3O{+} + 2 Cr2O7{2-} = 3 CH3COOH + 27 H2O + 4 Cr{3+}
Fe2O3 + H2O = Fe(OH)3 = =>
Fe2O3 + 3 H2O = 2 Fe(OH)3
FeS + FeCl3 = FeCl2 + S =>
FeS + 2 FeCl3 = 3 FeCl2 + S
FeO + H2O = Fe(OH)3 + H3O =>
FeO + 3 H2O = Fe(OH)3 + H3O
Al2S3(s) + HCl(aq) = AlCl3(aq) + H2S(g) =>
Al2S3(s) + 6 HCl(aq) = 2 AlCl3(aq) + 3 H2S(g)
CH3CHBrCH2CH3 + NaOH = CH3CHCHCH3 + NaBr + H2O =>
CH3CHBrCH2CH3 + NaOH = CH3CHCHCH3 + NaBr + H2O
FeS + FeCl3 = FeCl2 + S =>
FeS + 2 FeCl3 = 3 FeCl2 + S
I2O5 + HCl = ICl3 + Cl2 + H2O =>
I2O5 + 10 HCl = 2 ICl3 + 2 Cl2 + 5 H2O
K2FeO4 + Na2S + H2O = Fe(OH)3 + S + KOH + NaOH =>
2 K2FeO4 + 3 Na2S + 8 H2O = 2 Fe(OH)3 + 3 S + 4 KOH + 6 NaOH
NCl3 = N2 + Cl2 =>
2 NCl3 = N2 + 3 Cl2
Na2S + KNO3 + H2SO4 = NO2 + K2SO4 + Na2SO4 + H2O =>
Na2S + 8 KNO3 + 4 H2SO4 = 8 NO2 + 4 K2SO4 + Na2SO4 + 4 H2O
C9H9 = C2H2 =>
2 C9H9 = 9 C2H2
HI + H2SO4 = H2O + H2S + I2 =>
8 HI + H2SO4 = 4 H2O + H2S + 4 I2
H3PO4 + C2H3O2 = C2H4O2 + PO4 =>
H3PO4 + 3 C2H3O2 = 3 C2H4O2 + PO4
CH3CH2COOH + H2O = CH3CH2COOH2 + OH =>
CH3CH2COOH + H2O = CH3CH2COOH2 + OH
KI + K2Cr2O7 + H2SO4 = I2 + Cr2(SO4)3 + KHSO4 + H2O =>
6 KI + K2Cr2O7 + 11 H2SO4 = 3 I2 + Cr2(SO4)3 + 8 KHSO4 + 7 H2O
CH3CHBrCH2CH3 + NaOH = CH3CHCHCH3 + NaBr + H2O =>
CH3CHBrCH2CH3 + NaOH = CH3CHCHCH3 + NaBr + H2O
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
NH4OH(aq) = NH3(g) + H2O(l) =>
NH4OH(aq) = NH3(g) + H2O(l)
C62H6O2 + O2 = CO2 + H2O =>
2 C62H6O2 + 125 O2 = 124 CO2 + 6 H2O
K + H + P + O = KH2PO4 =>
K + 2 H + P + 4 O = KH2PO4
K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)2 + H2O + O =>
K2Cr2O7 + 3 H2SO4 = K2SO4 + Cr2(SO4)2 + 3 H2O + 4 O
Fe(NO3)3 + H2O = Fe(OH)3 + H2 + NO3 =>
2 Fe(NO3)3 + 6 H2O = 2 Fe(OH)3 + 3 H2 + 6 NO3
S2O3{-2} + I2 + H2O = SO4{-2} + I{-} + H{+} =>
S2O3{-2} + 4 I2 + 5 H2O = 2 SO4{-2} + 8 I{-} + 10 H{+}
Cu{2+} + Cr(OH)3 + OH{-} = CrO4{2-} + Cu{+} + H{+} =>
3 Cu{2+} + Cr(OH)3 + OH{-} = CrO4{2-} + 3 Cu{+} + 4 H{+}
FeF2{+} + H2O = Fe2O3 + H{+} + HF =>
2 FeF2{+} + 3 H2O = Fe2O3 + 2 H{+} + 4 HF
CuCl2 + K2S = CuS + KCl =>
CuCl2 + K2S = CuS + 2 KCl
CH + O2(g) = CO2(g) + H2O(g) =>
4 CH + 5 O2(g) = 4 CO2(g) + 2 H2O(g)
Na2SO3 + NaIO3 + H2SO4 = Na2SO4 + I2 + H2O =>
5 Na2SO3 + 2 NaIO3 + H2SO4 = 6 Na2SO4 + I2 + H2O
ZnS + NHO3 = ZnSO4 + NO2 + H2O =>
ZnS + 8 NHO3 = ZnSO4 + 8 NO2 + 4 H2O
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Équations équilibrées sur10/30/24
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