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Chapter 6: Q. 10 P (page 169)

Which reaction is more energetically favored, one with 螖骋o= - 44 or one with 螖骋o= +44 ?

Short Answer

Expert verified

The reaction with 螖骋o= - 44 is energetically more favorable.

Step by step solution

01

Spontaneous reaction

Reactions that proceed without an external energy supply are called a spontaneous reaction.

For a reaction to be spontaneous, it needs to have a negative value of Gibbs free energy.

Also,for the reaction to be spontaneous, the value of螖厂o needs to be positive.

02

Energetically favored reaction

The reaction with a negative 螖骋ovalue is energetically favorable. In the above two cases, one value is positive and the other is negative. So the negative value of Gibbs free energy indicates that the reaction is energetically favored.

Hence, the reaction with role="math" localid="1649937296710" 螖Go= - 44 is energetically more favorable.

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Most popular questions from this chapter

When isopropylidenecyclohexane is treated with strong acid at room

temperature, isomerization occurs by the mechanism shown below to yield 1-isopropylcyclohexene:

At equilibrium, the product mixture contains about 30% isopropylidene- cyclohexane and about 70% 1-isopropylcyclohexene.

(a)What is an approximate value of Keq for the reaction?

(b)Since the reaction occurs slowly at room temperature, what is its approximate鈭�G鈥�?

(c)Draw an energy diagram for the reaction.

The following alkyl halide can be prepared by the addition of HBr to two different alkenes. Draw the structures of both (reddish-brown 5 Br).

Draw an energy diagram for a one-step reaction with Keq<1. Label the parts of the diagram corresponding to reactants, products, transition state, 螖骋o, and螖骋# . Is螖骋o positive or negative?

What is the energy difference between the axial and equatorial conformations of cyclohexanol (hydroxycyclohexane)?

Add curved arrows to the mechanism shown in Problem 6-25 to indicate the electron movement in each step.
See all solutions

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