So, if you have the PDF open on your screen right now, don’t just scroll to the end of the chapter. Stop. Read the example. Try it yourself. Fail. Then read how Narayanan did it.
Note to the reader: This piece is written in an engaging, slightly informal style suitable for a blog or student magazine. The actual textbook "Chemical Engineering Thermodynamics" by K.V. Narayanan is a real and respected text used primarily in Indian universities.
The Unspoken Guide to Surviving (and Mastering) Chemical Engineering: Why K.V. Narayanan’s Thermodynamics is Still the Bible