This package includes Kotz/Treichel/Townsend/Treichel's CHEMISTRY & CHEMICAL REACTIVITY, Eleventh Edition, and access to OWLv2 for one term (six months). Created by teaching chemists, OWLv2 is a powerful online learning platform for chemistry with a unique mastery learning approach, which allows students to practice at their own pace, receive meaningful feedback and access a variety of learning resources to help them master chemistry and achieve better grades.