Question
Asked Jul 31, 2019
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  1. Consider the reaction

    HCl(g)NH3(g)NH4Cl(s)

    Using the standard thermodynamic data in the tables linked above, calculate the equilibrium constant for this reaction at 298.15K.

    ANSWER:  
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Expert Answer

Step 1

As the  table of data  is not provided in the question, the standard thermodynamic values have been taken from the internet.

The considered standard thermodynamic data is as below:

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NH,(g)+HCl(g)NH,CI(s) Substance AHf (kJmol) S (JK .mol) -46.19 NH3 (8) 192.5 186.69 HCl (g) NH4C1 (6) 9230 -314.4 94.6

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Step 2

The balanced chemical equation for the given reaction:

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NH3(g) HClg)--> NH4CI(s)

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Step 3

We know th...

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AG,n= - RT In K rxn The Gibb's free energy of a reaction is also related to its enthalpy and entropy AG-ΔΗ-ΤAS

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Chemistry

Equilibrium Concepts

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