| Équations équilibrées la veille | Équations équilibrées le lendemain |
5 HSO3{-} + 2 IO3{-} + 2 H{+} = 5 HSO4{-} + I2 + H2O
H2So4(aq) + NaOH(aq) = Na2So4(aq) + H2O(l) =>
H2So4(aq) + 2 NaOH(aq) = Na2So4(aq) + 2 H2O(l)
Zn + C = Zn4C2 =>
4 Zn + 2 C = Zn4C2
MnO2 + OH{-} + O2 = MnO4{-2} + H2O =>
2 MnO2 + 4 OH{-} + O2 = 2 MnO4{-2} + 2 H2O
HBr + K2Cr2O7 + H2SO4 = Br2 + Cr2(SO4)3 + K2SO4 + H2O =>
6 HBr + K2Cr2O7 + 4 H2SO4 = 3 Br2 + Cr2(SO4)3 + K2SO4 + 7 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
C8H18(s) + O2(g) = CO2(g) + H2O =>
2 C8H18(s) + 25 O2(g) = 16 CO2(g) + 18 H2O
MnSO4 + Na2CO3 + KNO3 = Na2MnO4 + Na2SO4 + CO2 + KNO2 =>
MnSO4 + 2 Na2CO3 + 2 KNO3 = Na2MnO4 + Na2SO4 + 2 CO2 + 2 KNO2
K + I2 = K[I(I2)] =>
2 K + 3 I2 = 2 K[I(I2)]
KrF2 + H2O = Kr + HF + O2 =>
2 KrF2 + 2 H2O = 2 Kr + 4 HF + O2
Mg + HBr = H + BrMg =>
Mg + HBr = H + BrMg
Fe(OH)2(s) + HBr(aq) = FeBr2(aq) + H2O(l) =>
Fe(OH)2(s) + 2 HBr(aq) = FeBr2(aq) + 2 H2O(l)
IO3{-} + I{-} + H2O = I3{-} + OH{-} =>
IO3{-} + 8 I{-} + 3 H2O = 3 I3{-} + 6 OH{-}
ZnO + (NH4)10(H2W12O42)*4H2O = H2O + NH3 + ZnWO4 =>
12 ZnO + (NH4)10(H2W12O42)*4H2O = 10 H2O + 10 NH3 + 12 ZnWO4
C8H16OH + O2 = CO2 + H2O =>
4 C8H16OH + 47 O2 = 32 CO2 + 34 H2O
NaSO4 + BaPO4 = NaPO4 + BaSO4 =>
NaSO4 + BaPO4 = NaPO4 + BaSO4
C + KNO3 = CO + K2CO3 + N =>
4 C + 2 KNO3 = 3 CO + K2CO3 + 2 N
P + KOH = HP + PKO =>
2 P + KOH = HP + PKO
C6H5COOH(aq) + FeCl3(aq) = (C6H5COO)3Fe(aq) + HCl =>
3 C6H5COOH(aq) + FeCl3(aq) = (C6H5COO)3Fe(aq) + 3 HCl
Mg + Cu(NO3)2 = Cu + Mg(NO3)2 =>
Mg + Cu(NO3)2 = Cu + Mg(NO3)2
CrBr3 + NaOH = Na3[Cr(OH)6] + NaBr =>
CrBr3 + 6 NaOH = Na3[Cr(OH)6] + 3 NaBr
HNO3 + KI + H2SO4 = NO + K2SO4 + I2 + H2O =>
2 HNO3 + 6 KI + 3 H2SO4 = 2 NO + 3 K2SO4 + 3 I2 + 4 H2O
O2 + Na = O2Na =>
O2 + Na = O2Na
C6H5CH2OH + KMnO4 = C6H5COOH + H2O + KOH + MnO2 =>
3 C6H5CH2OH + 4 KMnO4 = 3 C6H5COOH + H2O + 4 KOH + 4 MnO2
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
CuOH2SO4 = CuSO4 + H2O =>
CuOH2SO4 = CuSO4 + H2O
C + H2SO4 = CO2 + H2O + SO =>
C + H2SO4 = CO2 + H2O + SO
Cu + NO{3} = Cu{2+} + NO{2} =>
Cu + 2 NO{3} = Cu{2+} + 2 NO{2}
Ca(OH)2 + Ba(OH)2 = Ca(OH)4 + Ba =>
Ca(OH)2 + Ba(OH)2 = Ca(OH)4 + Ba
CH3OHPCl5 = CH3ClPOCl3HCl =>
CH3OHPCl5 = CH3ClPOCl3HCl
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
H1X + Mg = MgX2 + H2 =>
2 H1X + Mg = MgX2 + H2
NH4Br + Hg2(NO3)2 = NH4NO3 + HgBr =>
2 NH4Br + Hg2(NO3)2 = 2 NH4NO3 + 2 HgBr
Na3PO4 + HCl = NaCl + H3PO4 =>
Na3PO4 + 3 HCl = 3 NaCl + H3PO4
C + O3(s) = CO2 =>
3 C + 2 O3(s) = 3 CO2
Al2O3(s) + C = Al + CO =>
Al2O3(s) + 3 C = 2 Al + 3 CO
HIO + KOH = KIO3 + KI + H2O =>
3 HIO + 3 KOH = KIO3 + 2 KI + 3 H2O
CH2NS + O2 = CO2 + H2O + SO3 + NO =>
2 CH2NS + 7 O2 = 2 CO2 + 2 H2O + 2 SO3 + 2 NO
HOC6H4COOH(aq) + FeCl3(aq) = (HOC6H4COO)3Fe(aq) + HCl =>
3 HOC6H4COOH(aq) + FeCl3(aq) = (HOC6H4COO)3Fe(aq) + 3 HCl
Cu + K2S = CuS + K =>
Cu + K2S = CuS + 2 K
Cs2O + H2O = Cs + (OH)2 =>
Cs2O + H2O = 2 Cs + (OH)2
HNO3 + As2S3 + H2O = H3AsO4 + H2SO4 + NO =>
28 HNO3 + 3 As2S3 + 4 H2O = 6 H3AsO4 + 9 H2SO4 + 28 NO
H3Po4 + Ca(OH)2 = Ca3(Po4)2 + H2O =>
2 H3Po4 + 3 Ca(OH)2 = Ca3(Po4)2 + 6 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Zn + FeCl3 = ZnCl2 + Fe =>
3 Zn + 2 FeCl3 = 3 ZnCl2 + 2 Fe
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
NaCrO2 + NaOH + NaClO = NaCl + Na2CrO4 + H2O =>
2 NaCrO2 + 2 NaOH + 3 NaClO = 3 NaCl + 2 Na2CrO4 + H2O
K2O + FeCl = KCl + Fe2O =>
K2O + 2 FeCl = 2 KCl + Fe2O
CuO + H2O = Cu(OH)2 = =>
CuO + H2O = Cu(OH)2
Mn{+2} + BiO3 + H{+} = Bi{+3} + H2O + MnO4{-} =>
3 Mn{+2} + 5 BiO3 + 6 H{+} = 5 Bi{+3} + 3 H2O + 3 MnO4{-}
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/30/25
Équations équilibrées sur04/29/24
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