NaCl (s) -> NaCI (aq) is accompanied by an increase in entropy because[Select][Select]a solute was dissolved in water, forming a solutionthe number of products is greater than the number of reactantsthe phase change from vaporization is towards a higher internal energy

Answered: NaCl (s)-> NaCl (aq) is accompanied by…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Question

NaCl (s) -> NaCI (aq) is accompanied by an increase in entropy because
[Select]
[Select]
a solute was dissolved in water, forming a solution
the number of products is greater than the number of reactants
the phase change from vaporization is towards a higher internal energy

Expert Solution

Step 1: Short note on entropy,

Entropy:

Entropy can be defined as the measurement of randomness or disorderness in the thermodynamic system.

As we know that the degree of randomness or disorderness is more in gaseous phase than in liquid and solid phase therefore the entropy of the gaseous phase system is more.

Order of decreasing entropy:

S_gas > S_liquid > S_solid

So, if the randomness of the system increases, the entropy of the system will increase and if the randomness of the system decreases the entropy of the system will decrease.