| Équations équilibrées la veille | Équations équilibrées le lendemain |
K2Cr2O7 + 12 H2O2 + H2SO4 = 2 H2CrO12 + 11 H2O + K2S
KBr + KMnO4 + H2SO4 + H2O = Br2 + MnSO4 + KOH =>
10 KBr + 2 KMnO4 + 2 H2SO4 + 4 H2O = 5 Br2 + 2 MnSO4 + 12 KOH
CH3CH4CH2CH3 + O2 = CO2 + H2O =>
CH3CH4CH2CH3 + 7 O2 = 4 CO2 + 6 H2O
Ca(CO3)2 + NaOH = NaCO3 + Ca(OH)2 =>
Ca(CO3)2 + 2 NaOH = 2 NaCO3 + Ca(OH)2
Ba(OH)2 + Hg = Hg(OH)2 + Ba =>
Ba(OH)2 + Hg = Hg(OH)2 + Ba
C3H5N4O9 = CO2 + H2O + N2 + O2 =>
4 C3H5N4O9 = 12 CO2 + 10 H2O + 8 N2 + O2
Na3Po4 + NH4OH = Na3H4OH + NPo4 =>
Na3Po4 + NH4OH = Na3H4OH + NPo4
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
(NH4)2SO4 + KOH = (NH4)2OH + K(SO4) =>
(NH4)2SO4 + KOH = (NH4)2OH + K(SO4)
BaCO2 + H2O = BaH2CO3 =>
BaCO2 + H2O = BaH2CO3
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
C13H10O + NaBH4 = C13H12 + NaBO2 =>
2 C13H10O + NaBH4 = 2 C13H12 + NaBO2
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
S{-2} + I2 = I{-} + S =>
S{-2} + I2 = 2 I{-} + S
NH4Br + Ba(OH)2 = BaBr2 + H2O + NH3 =>
2 NH4Br + Ba(OH)2 = BaBr2 + 2 H2O + 2 NH3
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
H2SO4 + K4Fe(CN)6 + KMnO4 = CO2 + Fe2(SO4)3 + H2O + HNO3 + KHSO4 + MnSO4 =>
299 H2SO4 + 10 K4Fe(CN)6 + 122 KMnO4 = 60 CO2 + 5 Fe2(SO4)3 + 188 H2O + 60 HNO3 + 162 KHSO4 + 122 MnSO4
HSbO2 + H2O = H3SbO4 + SbH3 =>
4 HSbO2 + 4 H2O = 3 H3SbO4 + SbH3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C3H6O + H2S = C3H6S + H2O =>
C3H6O + H2S = C3H6S + H2O
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
KClO3 + NaI + H2O = I2 + KCl + NaOH =>
KClO3 + 6 NaI + 3 H2O = 3 I2 + KCl + 6 NaOH
ClO3{-} + Br{-} + H{+} = Br2 + Cl{-} + H2O =>
ClO3{-} + 6 Br{-} + 6 H{+} = 3 Br2 + Cl{-} + 3 H2O
Pb(OH)2(s) + OH(aq) = PbO2 + H2O =>
Pb(OH)2(s) + 2 OH(aq) = PbO2 + 2 H2O
KI + H2O2 + H2SO4 = H2O + I2 + KHSO4 =>
2 KI + H2O2 + 2 H2SO4 = 2 H2O + I2 + 2 KHSO4
VOCl2 + O2 + H2O = HVO3 + HCl =>
4 VOCl2 + O2 + 6 H2O = 4 HVO3 + 8 HCl
H2SiF2 + H2O = H8Si4O4 + HF =>
4 H2SiF2 + 4 H2O = H8Si4O4 + 8 HF
(NH4)2Rh(NO2)2 = NH4NO2 + Rh =>
(NH4)2Rh(NO2)2 = 2 NH4NO2 + Rh
H3 + PO4 + NaOH = Na3PO4 + H2O =>
H3 + PO4 + 3 NaOH = Na3PO4 + 3 H2O
N2 + H2 = NHN3 =>
4 N2 + H2 = 2 NHN3
As + KClO + KOH = KCl + K3AsO3 + H2O =>
2 As + 3 KClO + 6 KOH = 3 KCl + 2 K3AsO3 + 3 H2O
Cu + NH4Cl = CuCl + NH4 =>
Cu + NH4Cl = CuCl + NH4
CaCl2(s) + H3PO4(aq) = Ca3(PO4)2(s) + HCl(aq) =>
3 CaCl2(s) + 2 H3PO4(aq) = Ca3(PO4)2(s) + 6 HCl(aq)
AlK3 + (PO4)3 = PO4K3 + Al3 =>
3 AlK3 + (PO4)3 = 3 PO4K3 + Al3
Zn + H2SO4 = H + Zn2SO4 =>
2 Zn + H2SO4 = 2 H + Zn2SO4
HBr(aq) + NiS(s) = H2S + NiBr2 =>
2 HBr(aq) + NiS(s) = H2S + NiBr2
NaBr + chlorine = NaCl + bromine =>
2 NaBr + Cl2 = 2 NaCl + Br2
Al2O3 + Fe(OH)2 = Al(OH)3 + FeO =>
Al2O3 + 3 Fe(OH)2 = 2 Al(OH)3 + 3 FeO
SN(OH)2 + NH3 = SN(NH3) + OH =>
SN(OH)2 + NH3 = SN(NH3) + 2 OH
NaHSO4 + NaOCl + NaBr + C6H14 = Na2SO4 + NaCl + H2O + C6H12Br2 =>
2 NaHSO4 + 2 NaOCl + 2 NaBr + C6H14 = 2 Na2SO4 + 2 NaCl + 2 H2O + C6H12Br2
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Équations équilibrées sur11/14/24
Équations équilibrées sur12/14/23
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