| Équations équilibrées la veille |
5 As2O3 + 4 MnO4{-} + 12 H{+} + 9 H2O = 10 H3AsO4 + 4 Mn{2}{+}
NaCH3COO(aq) + HCl(aq) = CH3COOH(aq) + NaCl(s) =>
NaCH3COO(aq) + HCl(aq) = CH3COOH(aq) + NaCl(s)
Cu + SO4 + Na2CO3 = CuCO3 + Na2SO4 =>
Cu + SO4 + Na2CO3 = CuCO3 + Na2SO4
Cu(NO3)2 + NaIO3 = Cu(IO3)2 + NaNO3 =>
Cu(NO3)2 + 2 NaIO3 = Cu(IO3)2 + 2 NaNO3
(NH4)3PO4 + Ni(NO4)2 = NH4NO4 + Ni3(PO4)2 =>
2(NH4)3PO4 + 3 Ni(NO4)2 = 6 NH4NO4 + Ni3(PO4)2
K3PO4 + MgCl2 = Mg3(PO4)2(s) + KCl =>
2 K3PO4 + 3 MgCl2 = Mg3(PO4)2(s) + 6 KCl
H2SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4
As2O3 + KI2 + HCl = AsI3 + KCl2 + H2O =>
As2O3 + 3 KI2 + 6 HCl = 2 AsI3 + 3 KCl2 + 3 H2O
Na2CO3 + NaOH = NaHCO3 + Na2O =>
Na2CO3 + NaOH = NaHCO3 + Na2O
C7H80 + O2 = CO2 + H2O =>
C7H80 + 27 O2 = 7 CO2 + 40 H2O
NH3{+} + O2 = NO2{-} + H{+} + H2O =>
4 NH3{+} + 5 O2 = 4 NO2{-} + 8 H{+} + 2 H2O
AgNO3 + ZnCl3 = Zn(NO3)3 + AgCl =>
3 AgNO3 + ZnCl3 = Zn(NO3)3 + 3 AgCl
MnCl2 + KSCN = K4[Mn(SCN)6] + KCl =>
MnCl2 + 6 KSCN = K4[Mn(SCN)6] + 2 KCl
Zn + HClO = Zn(ClO4)2 + Cl2 + H2O =>
Zn + 16 HClO = Zn(ClO4)2 + 7 Cl2 + 8 H2O
Cl2(aq) + NaBr(aq) = NaCl(aq) + Br2(q) =>
Cl2(aq) + 2 NaBr(aq) = 2 NaCl(aq) + Br2(q)
Ti2CO2 = TiO2 + TiC =>
Ti2CO2 = TiO2 + TiC
C2Cl5 + KMnO4 + NaOH = CO2 + H2O + NaKMnO4 + NaCl =>
C2Cl5 + 3 KMnO4 + 8 NaOH = 2 CO2 + 4 H2O + 3 NaKMnO4 + 5 NaCl
CuI2 + KCl = CuCl2 + KI =>
CuI2 + 2 KCl = CuCl2 + 2 KI
NaHSO3 + H2O2 = Na2 + SO4 + H2 =>
2 NaHSO3 + H2O2 = Na2 + 2 SO4 + 2 H2
Co(NO3)2*6H2O + NaHCO3 + H2O2 = Na3Co(CO3)3*3H2O + H2O + NaNO3 + CO2 =>
2 Co(NO3)2*6H2O + 10 NaHCO3 + H2O2 = 2 Na3Co(CO3)3*3H2O + 12 H2O + 4 NaNO3 + 4 CO2
S2O3{2-} + Cl2 + H2O = SO4{-} + Cl{-} + H{+} =>
S2O3{2-} + 5 Cl2 + 5 H2O = 2 SO4{-} + 10 Cl{-} + 10 H{+}
CaOCl2 + Mn(OH)2 = MnO2 + CaCl2 + H2O =>
CaOCl2 + Mn(OH)2 = MnO2 + CaCl2 + H2O
Fe(s) + I2(s) = FeI3(s) =>
2 Fe(s) + 3 I2(s) = 2 FeI3(s)
NaCl + AgN = NaClAgN =>
NaCl + AgN = NaClAgN
Mg + Fe(SO3)2 = Fe + Mg(SO3)2 =>
Mg + Fe(SO3)2 = Fe + Mg(SO3)2
H2SO4 + HK = KHSO3 + H2O =>
H2SO4 + HK = KHSO3 + H2O
C2H5OH + H3BO3 = C6H15BO3 + H2O =>
3 C2H5OH + H3BO3 = C6H15BO3 + 3 H2O
C6H5NO2 + Br2 = C6H2Br3NO2 + HBr =>
C6H5NO2 + 3 Br2 = C6H2Br3NO2 + 3 HBr
Cu + NHO3 = Cu(NO3)2 + NO2H2O =>
Cu + 4 NHO3 = Cu(NO3)2 + 2 NO2H2O
H2SO3(aq) + O2 = H2SO4(aq) =>
2 H2SO3(aq) + O2 = 2 H2SO4(aq)
(a)CS2(l) + Cl2(g) = CCl4(l) + S2Cl2(g) =>
(a)CS2(l) + 3 Cl2(g) = CCl4(l) + S2Cl2(g)
Be(NO3)2 + H3PO4 = Be(NO3)2H3PO4 =>
Be(NO3)2 + H3PO4 = Be(NO3)2H3PO4
As(s) + O2(g) = As2O5 =>
4 As(s) + 5 O2(g) = 2 As2O5
FeBr3 + Na(OH)2 = NaBr2 + Fe(OH)3 =>
2 FeBr3 + 3 Na(OH)2 = 3 NaBr2 + 2 Fe(OH)3
Cu2 + H2O = H2 + Cu(OH) =>
Cu2 + 2 H2O = H2 + 2 Cu(OH)
NaOH + Cr(NO3)3 = Cr(OH)3 + NaNO3 =>
3 NaOH + Cr(NO3)3 = Cr(OH)3 + 3 NaNO3
Ca(OH)2 + H(NO3) = Ca(NO3) + H(OH)2 =>
Ca(OH)2 + H(NO3) = Ca(NO3) + H(OH)2
CO2 + HBr = CBr4 + H2O =>
CO2 + 4 HBr = CBr4 + 2 H2O
PbCl2 + Cl2 = PbCl4 =>
PbCl2 + Cl2 = PbCl4
Mg + AgNO3 = Ag + Mg[NO3]2 =>
Mg + 2 AgNO3 = 2 Ag + Mg[NO3]2
Na2Cr2O7 + NH4OH = NaOH + (NH4)2CrO4 + H2O =>
Na2Cr2O7 + 4 NH4OH = 2 NaOH + 2(NH4)2CrO4 + H2O
Cr(OH)6{3-} + Cl2 + OH{-} = CrO4{2-} + Cl{-} + H2O =>
2 Cr(OH)6{3-} + 3 Cl2 + 4 OH{-} = 2 CrO4{2-} + 6 Cl{-} + 8 H2O
H2PtCl6 + KNO3 = K2PtCl6 + HNO3 =>
H2PtCl6 + 2 KNO3 = K2PtCl6 + 2 HNO3
CHOH + NaOH = CH3OH + CHOONa =>
2 CHOH + NaOH = CH3OH + CHOONa
BeSO4 + Cl2 = BeCl + SO4 =>
2 BeSO4 + Cl2 = 2 BeCl + 2 SO4
H2SnO3 + KOH = K2SnO3 + H2O =>
H2SnO3 + 2 KOH = K2SnO3 + 2 H2O
Ni + Na2SO4 = Ni(Na2SO4) =>
Ni + Na2SO4 = Ni(Na2SO4)
A1 + MnO = A12O3 + Mn =>
12 A1 + 3 MnO = A12O3 + 3 Mn
Al + OH = Al2OH =>
2 Al + OH = Al2OH
KIO = KI + O2 =>
2 KIO = 2 KI + O2
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Équations équilibrées sur01/09/25
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