Chemistry Chapter 15A/B Powerpoint Notes. Copy into your Chemistry Interactive Notebook (INB) on the input side (page 47) and be sure to tab for multiple pages of notes. Be sure to complete the Step up to Writing (SUTW) assignment which should go on the output side (page 46) across from the notes. Chapter 15A/B Notes and Chapter 15A/B SUTW are due on Monday, February 26, 2018 at the beginning of your regular class.