Chemical Engineering - Chemical Engineering Basics - Discussion


Consider an ideal solution of components A and B. The entropy of mixing per mole of an alloy containing 50 wt% B is

[A]. R ln 2
[B]. -R ln 2
[C]. 3 R ln 2
[D]. -3R ln 2

Answer: Option A


No answer description available for this question.

Raj Musale said: (Sep 10, 2019)  
We know entropy of mixing= - total moles(-R * summation(Xi*ln(Xi))).
= - 1*(R*(0.5*ln(0.5)+0.5*ln(0.5))),
= -1*(R*2*0.5*ln(0.5)),
= R*ln*(2).
So option A is correct one.

Post your comments here:

Name *:

Email   : (optional)

» Your comments will be displayed only after manual approval.