| Équations équilibrées la veille | Équations équilibrées le lendemain |
Pb + 2 K2SO4 = Pb(SO4)2 + 4 K
Cr2O7{-2} + RCH2OH + H{+} = RCHOOH + Cr{3+} + H2O =>
Cr2O7{-2} + 2 RCH2OH + 8 H{+} = 2 RCHOOH + 2 Cr{3+} + 5 H2O
K + H2SO3 = K2SO3 + H =>
2 K + H2SO3 = K2SO3 + 2 H
KIO3 + KI + HCI = KCI + H2O + I2 =>
KIO3 + 5 KI + 6 HCI = 6 KCI + 3 H2O + 3 I2
AlCl3 + Na(PO4) = Al(PO4) + NaCl3 =>
AlCl3 + Na(PO4) = Al(PO4) + NaCl3
Ca(OH)2 + H2O = OH + CaH2O =>
Ca(OH)2 + H2O = 2 OH + CaH2O
MgO + Cl2 = MgCl + O2 =>
2 MgO + Cl2 = 2 MgCl + O2
HCl + Ca(NO3)2 = HNO3 + CaCl2 =>
2 HCl + Ca(NO3)2 = 2 HNO3 + CaCl2
K2S + HNO3 = KNO3 + H2S =>
K2S + 2 HNO3 = 2 KNO3 + H2S
I2 + N2H6Cl2 = N2 + HI + HCl =>
2 I2 + N2H6Cl2 = N2 + 4 HI + 2 HCl
CH3CONH2 + HNO2 = CH3COOH + N2 + H2O =>
CH3CONH2 + HNO2 = CH3COOH + N2 + H2O
Fe + S8 = FeS =>
8 Fe + S8 = 8 FeS
H2O + AgNO3 + Cl2 = AgClO3 + HNO3 + AgCl =>
3 H2O + 6 AgNO3 + 3 Cl2 = AgClO3 + 6 HNO3 + 5 AgCl
CrO + OH = (CrO4)2 + H2O =>
2 CrO + 12 OH = (CrO4)2 + 6 H2O
Fe2(SO4)3(aq) + Ba(NO3)2(aq) = Fe(NO3)3(aq) + BaSO4(s) =>
Fe2(SO4)3(aq) + 3 Ba(NO3)2(aq) = 2 Fe(NO3)3(aq) + 3 BaSO4(s)
C15H31CO2H5 + O2 = CO2 + H2O1 =>
C15H31CO2H5 + 24 O2 = 16 CO2 + 18 H2O1
Mg(HO)2 + H3O{+} = Mg{2+} + H2O =>
Mg(HO)2 + 2 H3O{+} = Mg{2+} + 4 H2O
Sc2Ti2C3O2 = TiC + TiO2 + Sc4C3 + C =>
2 Sc2Ti2C3O2 = 2 TiC + 2 TiO2 + Sc4C3 + C
CBr3CH3 + Cl2 = CBr3CCl3 + HCl =>
CBr3CH3 + 3 Cl2 = CBr3CCl3 + 3 HCl
Cl2 + FeI3 = FeCl3 + I =>
3 Cl2 + 2 FeI3 = 2 FeCl3 + 6 I
NaNO2 + FeCl2 + H2SO4 = N2 + FeCl3 + Na2SO4 + Fe2(SO4)3 + H2O =>
2 NaNO2 + 6 FeCl2 + 4 H2SO4 = N2 + 4 FeCl3 + Na2SO4 + Fe2(SO4)3 + 4 H2O
H{+} + As2S3 + NO3{-} = As{5+} + SO4{-} + NO + H2O =>
52 H{+} + 3 As2S3 + 31 NO3{-} = 6 As{5+} + 9 SO4{-} + 31 NO + 26 H2O
Cr2(SO4)3 + NH4NO3 = (NH4)2SO4 + Cr(NO3)3 =>
Cr2(SO4)3 + 6 NH4NO3 = 3(NH4)2SO4 + 2 Cr(NO3)3
Mg(aq) + OH(aq) = Mg(OH)2(s) =>
Mg(aq) + 2 OH(aq) = Mg(OH)2(s)
Zn + NaHO + H2O = Na2Zn(OH)4 + H2 =>
Zn + 2 NaHO + 2 H2O = Na2Zn(OH)4 + H2
HCON + H2O = H2CON + OH =>
HCON + H2O = H2CON + OH
C16H34O2 = C + H + O =>
C16H34O2 = 16 C + 34 H + 2 O
H3PO3 + Mo(OH)4 = Mo3(PO3)4 + H2O =>
4 H3PO3 + 3 Mo(OH)4 = Mo3(PO3)4 + 12 H2O
K3[Fe(CN)6] + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + CO2 + HNO3 + H2O + K2SO4 + Cr2(SO4)3 =>
2 K3[Fe(CN)6] + 20 K2Cr2O7 + 86 H2SO4 = Fe2(SO4)3 + 12 CO2 + 12 HNO3 + 80 H2O + 23 K2SO4 + 20 Cr2(SO4)3
K2Cr2O7 + HCl = KCl + CrCl3 + H2 + O2 =>
2 K2Cr2O7 + 16 HCl = 4 KCl + 4 CrCl3 + 8 H2 + 7 O2
H3Po4 + KOH = KH2Po4 + H2O =>
H3Po4 + KOH = KH2Po4 + H2O
H3PO3 + Ca(OH)2 = (CaOH)H2PO3 + H2O =>
H3PO3 + Ca(OH)2 = (CaOH)H2PO3 + H2O
NH4ClO4 + Al = Al2O3 + Cl2 + H2O + N2 =>
6 NH4ClO4 + 8 Al = 4 Al2O3 + 3 Cl2 + 12 H2O + 3 N2
VSO4 + KMnO4 + H2SO4 = V2(SO4)3 + K2(SO4) + Mn(SO4) + H2O =>
10 VSO4 + 2 KMnO4 + 8 H2SO4 = 5 V2(SO4)3 + K2(SO4) + 2 Mn(SO4) + 8 H2O
ZnCl2 + NaOH = Zn(OH)2 + NaCl =>
ZnCl2 + 2 NaOH = Zn(OH)2 + 2 NaCl
Ni2 + O = Ni2O =>
Ni2 + O = Ni2O
CaAl2Si2O8 = Al2O3 + CaO + SiO2 =>
CaAl2Si2O8 = Al2O3 + CaO + 2 SiO2
[Fe(CN)6] + FeCl3 = Fe[Fe(CN)6] + Cl =>
[Fe(CN)6] + FeCl3 = Fe[Fe(CN)6] + 3 Cl
AlBr3(s) + Cl2(g) = AlCl3 + Br2 =>
2 AlBr3(s) + 3 Cl2(g) = 2 AlCl3 + 3 Br2
CaCO3 + SiO2 = SiCO3 + CaO2 =>
CaCO3 + SiO2 = SiCO3 + CaO2
KNO3 + Al2(SO4)3 = Al2NO3 + K(SO4)3 =>
KNO3 + Al2(SO4)3 = Al2NO3 + K(SO4)3
BeCl2 + Na2Co3 = BeCo3 + NaCl =>
BeCl2 + Na2Co3 = BeCo3 + 2 NaCl
Na2SO3(s) + HNO3(aq) = NaNO3 + H2SO3 =>
Na2SO3(s) + 2 HNO3(aq) = 2 NaNO3 + H2SO3
Mg + HNO2 = Mg(NO3)2 + NO + H2O =>
Mg + 8 HNO2 = Mg(NO3)2 + 6 NO + 4 H2O
MnO4{-} + H2O + Cu{+} = Cu{2+} + MnO2 + OH{-} =>
MnO4{-} + 2 H2O + 3 Cu{+} = 3 Cu{2+} + MnO2 + 4 OH{-}
C13H16N3NaO4S + H2 = C13H18N3NaO4S =>
C13H16N3NaO4S + H2 = C13H18N3NaO4S
(C7)H13(Cl) + O2 = CO2 + H2O + HCl =>
(C7)H13(Cl) + 10 O2 = 7 CO2 + 6 H2O + HCl
H2Cr2O7 + KI + H2SO4 = K2SO4 + Cr2(SO4)3 + I2 + H2O =>
H2Cr2O7 + 6 KI + 6 H2SO4 = 3 K2SO4 + Cr2(SO4)3 + 3 I2 + 7 H2O
Ca + S = CaS =>
Ca + S = CaS
I{-} + SO4{2-} + H{+} = I2 + H2S + H2O =>
8 I{-} + SO4{2-} + 10 H{+} = 4 I2 + H2S + 4 H2O
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Équations équilibrées sur04/21/25
Équations équilibrées sur05/21/24
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