Below is a chapterwise list of some problems from the text which are conceptually challenging, or mathematically involved, and in general require a good grasp of the content and more thought. The numbers correspond to the "Problems" section of each chapter from Cutnell & Johnson 9e.

Chapter 7: 1, 2, 10, 12, 15, 18, 26, 38, 42, 45, 47.

Chapter 6: 4, 8, 9, 22, 26, 28, 35, 42, 45, 47, 50, 60, 68.

Chapter 5:

Chapter 4:

Chapter 3:

Chapter 2:

Chapter 1: