The relation between enthalpy ( Δ H r x n ∘ ) , entropy ( Δ S r x n ∘ ) and free energy change ( Δ G r x n ∘ ) for the reaction is given as: Δ G r x n ∘ = Δ H r x n ∘ − T Δ S r x n ∘ If Δ G r x n ∘ comes out to be negative, the reaction is spontaneous at the given temperature and if it comes positive, the reaction is nonspontaneous at that temperature.

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b) Certain cyclic compounds are known to be conformationally similar to carbohydrates, although they are not themselves carbohydrates. One example is Compound C shown below, which could be imagined as adopting four possible conformations. In reality, however, only one of these is particularly stable. Circle the conformation you expect to be the most stable, and provide an explanation to justify your choice. For your explanation to be both convincing and correct, it must contain not only words, but also "cartoon" orbital drawings contrasting the four structures. Compound C Possible conformations (circle one): Дет

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Chapter 18, Problem 46E

Interpretation Introduction

Introduction: The relation between enthalpy(ΔHrxn∘) , entropy(ΔSrxn∘) and free energy change(ΔGrxn∘) for the reaction is given as:

ΔGrxn∘ =ΔHrxn∘− TΔSrxn∘

If ΔGrxn∘comes out to be negative, the reaction is spontaneous at the given temperature and if it comes positive, the reaction is nonspontaneous at that temperature.

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b) Certain cyclic compounds are known to be conformationally similar to carbohydrates, although they are not themselves carbohydrates. One example is Compound C shown below, which could be imagined as adopting four possible conformations. In reality, however, only one of these is particularly stable. Circle the conformation you expect to be the most stable, and provide an explanation to justify your choice. For your explanation to be both convincing and correct, it must contain not only words, but also "cartoon" orbital drawings contrasting the four structures. Compound C Possible conformations (circle one): Дет

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