Please check the ISBN that your instructor provided. If the ISNB-13 does not match this product (9781285185453) or its Printed Access Card equivalent (9781285185446) this may not be the correct product. In some cases, you may also require a course code from your Instructor.If your instructor requires OWLv2 for this course, you can use this ISBN to purchase instant access. OWLv2 is the most trusted online learning solution for chemistry and has been proven to help students like you get a better grade. Its Mastery Learning approach allows you to practice at your own pace until you understand each concept and skill. Each time you try a problem, OWLv2 changes the chemicals, values, and sometimes even the wording of the question to ensure you are learning the concepts and not just doing homework. With detailed, instant feedback and interactive learning resources, you get the help you need when you need it.Instructor Assigned: Please be aware that the product you are purchasing is usable only if assigned by your instructor. If your instructor has not assigned this product, you should not continue with your purchase.
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