The reaction between C 2 H 2 ( g ) , F 2 ( g ) and the value of Δ S ∘ for this reaction is given. The value of S ∘ is to be calculated for C F 4 ( g ) . Concept introduction: Entropy ( Δ S ∘ ) is the measure of degree of disorder or randomness. The expression for Δ S ∘ is, Δ S ∘ = ∑ n p S ∘ ( product ) − ∑ n f S ∘ ( reactant )

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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 16, Problem 47E

Interpretation Introduction

Interpretation: The reaction between C2H2(g) , F2(g) and the value of ΔS∘ for this reaction is given. The value of S∘ is to be calculated for CF4(g) .

Concept introduction: Entropy (ΔS∘) is the measure of degree of disorder or randomness.

The expression for ΔS∘ is,

ΔS∘=∑npS∘(product)−∑nfS∘(reactant)

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