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What's the difference between the fifth edition and the fourth edition of Physical Chemistry in Tianjin University?
There is a free download network for university study materials (you can download them without points)

Home page "Detailed explanation of after-class answers and exercises of all versions of textbooks"-Inorganic Chemistry/Organic Chemistry/Analytical Chemistry/Physical Chemistry/Polymer Chemistry can be downloaded.

Or in the section of "Neo-Confucianism"-"Chemistry, Material Science and Environmental Science", you can also see "Tianjin University 4th Edition-After-class Solutions of Physical Chemistry (Volume I and Volume II)" (there is little difference between the 5th and 4th editions).

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