| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 KBr + Ca2S2 = 2 CaBr2 + 2 K2S
X + KOH = K2X + K2XO3 + H2O =>
3 X + 6 KOH = 2 K2X + K2XO3 + 3 H2O
LiAlH4 + H2O = Li{+} + OH{-} + Al2O3 + H2 =>
2 LiAlH4 + 5 H2O = 2 Li{+} + 2 OH{-} + Al2O3 + 8 H2
Fe(NO3)2 + KMnO4 + H2SO4 = Fe2(SO4)3 + Fe(NO3)3 + KNO3 + H2O + MnSO4 =>
5 Fe(NO3)2 + KMnO4 + 4 H2SO4 = Fe2(SO4)3 + 3 Fe(NO3)3 + KNO3 + 4 H2O + MnSO4
As2S3 + HClO4 + H2O = H3AsO4 + HCl + HSO4 =>
8 As2S3 + 31 HClO4 + 36 H2O = 16 H3AsO4 + 31 HCl + 24 HSO4
Fe2(CO2)3 = CO2 + Fe =>
Fe2(CO2)3 = 3 CO2 + 2 Fe
Na2CrO3 + Ba(NO3)2 = Na2(NO3)2 + BaCrO3 =>
Na2CrO3 + Ba(NO3)2 = Na2(NO3)2 + BaCrO3
Au + HNO3 = Au(NO3)3 + NO2 + H2O =>
Au + 6 HNO3 = Au(NO3)3 + 3 NO2 + 3 H2O
C4H8O2 + O2 = CO2 + H2O =>
C4H8O2 + 5 O2 = 4 CO2 + 4 H2O
C2H5NH2 + HBr = C2H5Br + NH3 =>
C2H5NH2 + HBr = C2H5Br + NH3
Au + HNO3 = Au(NO3)3 + H2 =>
2 Au + 6 HNO3 = 2 Au(NO3)3 + 3 H2
LiAlH4 + H2O = Li{+} + OH{-} + Al2O3 + H2 =>
2 LiAlH4 + 5 H2O = 2 Li{+} + 2 OH{-} + Al2O3 + 8 H2
K(H2)O = KOH + H2 =>
2 K(H2)O = 2 KOH + H2
Zm(s) + HCl(aq) = ZmCl(aq) + H2(g) =>
2 Zm(s) + 2 HCl(aq) = 2 ZmCl(aq) + H2(g)
Co + HCl + O2 = CoCl + H2O =>
4 Co + 4 HCl + O2 = 4 CoCl + 2 H2O
Hg(NO)2 + Cu = CuO + HgN2 =>
Hg(NO)2 + 2 Cu = 2 CuO + HgN2
LiAlH4 + H2O = Li{+} + OH{-} + Al2O3 + H2 =>
2 LiAlH4 + 5 H2O = 2 Li{+} + 2 OH{-} + Al2O3 + 8 H2
Ag2CrO4 = Ag2 + Cr + O4 =>
Ag2CrO4 = Ag2 + Cr + O4
C6H12O6 + (CH3CO)2O = C12H22O11 =>
4 C6H12O6 + 3(CH3CO)2O = 3 C12H22O11
Mg2(CrO4)2 + CuSO4 = Cu(CrO4)2 + Mg2SO4 =>
Mg2(CrO4)2 + CuSO4 = Cu(CrO4)2 + Mg2SO4
C3H12 + NCl = CCl + H2 + N2 =>
2 C3H12 + 6 NCl = 6 CCl + 12 H2 + 3 N2
HNO3 + H2S = NO2 + H2O + S0 =>
2 HNO3 + H2S = 2 NO2 + 2 H2O + S0
C6H6 + Cl2 = CCl4 + HCl4 =>
C6H6 + 24 Cl2 = 6 CCl4 + 6 HCl4
C2H4 + O2 = CO7 + H2O =>
C2H4 + 8 O2 = 2 CO7 + 2 H2O
Cl2 + H{+} + IO3 + K{+} + e = K[ICl4] + H2O =>
2 Cl2 + 6 H{+} + IO3 + K{+} + 7e = K[ICl4] + 3 H2O
Cu(C2H3O2)2 + KOH = Cu(OH)2 + KC2H3O2 =>
Cu(C2H3O2)2 + 2 KOH = Cu(OH)2 + 2 KC2H3O2
LiC2H3O2 + Mg(OH)2 = Mg(C2H3O2)2 + LiOH =>
2 LiC2H3O2 + Mg(OH)2 = Mg(C2H3O2)2 + 2 LiOH
KAl(OH)4 + H2SO4 + H2O = KAl(SO4)2(H2O)12 =>
KAl(OH)4 + 2 H2SO4 + 8 H2O = KAl(SO4)2(H2O)12
Pb + KNO3 = PbK4 + NO3 =>
Pb + 4 KNO3 = PbK4 + 4 NO3
K + [Sb(OH)6] + Na2CO3 = K2CO3 + NaSb(OH)6 =>
2 K + 2[Sb(OH)6] + Na2CO3 = K2CO3 + 2 NaSb(OH)6
Al2(SO4)3 + KCN = Al(CN)3 + K2SO4 =>
Al2(SO4)3 + 6 KCN = 2 Al(CN)3 + 3 K2SO4
C2H5OH + K2Cr2O7 + H2SO4 = C3H6O + Cr2(SO4)3 + H2O + K2SO4 =>
9 C2H5OH + 2 K2Cr2O7 + 8 H2SO4 = 6 C3H6O + 2 Cr2(SO4)3 + 17 H2O + 2 K2SO4
Pb(NO3)4 + Al2(CO3)3 = Al(NO3)3 + Pb(CO3)2 =>
3 Pb(NO3)4 + 2 Al2(CO3)3 = 4 Al(NO3)3 + 3 Pb(CO3)2
HBrO2 + OH = H2O + BrO2 =>
HBrO2 + OH = H2O + BrO2
Pb + KNO3 = PbK4 + NO3 =>
Pb + 4 KNO3 = PbK4 + 4 NO3
(C6H10O5)2 + CuO = H2O + Cu + C6H8O7 =>
(C6H10O5)2 + 6 CuO = 2 H2O + 6 Cu + 2 C6H8O7
SO2 + Na2CO3 + H2O = CO2 + NaHSO3 =>
2 SO2 + Na2CO3 + H2O = CO2 + 2 NaHSO3
Au + HNO3 = H2O + AuNO3 + NO =>
3 Au + 4 HNO3 = 2 H2O + 3 AuNO3 + NO
C4 + Li3 + P7 = Li8P2C19 =>
399 C4 + 224 Li3 + 24 P7 = 84 Li8P2C19
Na2SO3 + Na2S + I2 = Na2S2O3 + NaI =>
Na2SO3 + Na2S + I2 = Na2S2O3 + 2 NaI
C2H5OH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + CH3COOH + K2SO4 + HH2O =>
13 C2H5OH + 5 K2Cr2O7 + 20 H2SO4 = 5 Cr2(SO4)3 + 13 CH3COOH + 5 K2SO4 + 22 HH2O
NaHCO3 + H2O2 = NaCO4 + H2O =>
2 NaHCO3 + 3 H2O2 = 2 NaCO4 + 4 H2O
Pb + KNO3 = Pb(NO3)2 + K =>
Pb + 2 KNO3 = Pb(NO3)2 + 2 K
Au + HNO3 = H2O + AuNO3 + NO =>
3 Au + 4 HNO3 = 2 H2O + 3 AuNO3 + NO
LiAlH4 + H2O = Li{+} + OH{-} + Al2O3 + H2 =>
2 LiAlH4 + 5 H2O = 2 Li{+} + 2 OH{-} + Al2O3 + 8 H2
Pb + KNO3 = PbK4 + NO3 =>
Pb + 4 KNO3 = PbK4 + 4 NO3
CaCl2(aq) + Na2C2O4(aq) = CaC2O4(s) + Na2Cl2(aq) =>
CaCl2(aq) + Na2C2O4(aq) = CaC2O4(s) + Na2Cl2(aq)
LiAlH4 + H2O = Li{+} + OH{-} + Al2O3 + H2 =>
2 LiAlH4 + 5 H2O = 2 Li{+} + 2 OH{-} + Al2O3 + 8 H2
NaBr + CaOH{2} = CaBr + NaOH{2} =>
NaBr + CaOH{2} = CaBr + NaOH{2}
Al(ClO3) = AlCl + O2 =>
2 Al(ClO3) = 2 AlCl + 3 O2
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Équations équilibrées sur07/21/24
Équations équilibrées sur08/20/23
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