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The equilibrium constant for the equation Ag+(aq)+2NH3(aq)↽−−⇀[Ag(NH3)2]+(aq) is Kf=2.5×103 M−2 at 25.0 ∘C . Calculate the value of Δ????∘rxn at 25.0 ∘C . Δ????∘rxn= kJ/mol Is the reaction spontaneous under standard conditions? yes noCalculate the value of Δ????rxn at 25.0 ∘C when [Ag+]=0.00850 M , [NH3]=0.156 M , and [[Ag(NH3)2]+]=0.00632 M . Δ????rxn= kJ/mol Is the reaction spontaneous under these conditions?

Respuesta :

Answer:

a) spontaneous reaction with Delta G = -19.383KJ/mol

b) Spontaneous reaction with Delta G = -85.56KJ/mol

Explanation:

What is applied is the relationship between the standard Gibb's free energy, gas constant and the equilibrium constant which is other wise known as the  Vant Hoff Isotherm Equation.

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