The student will listen to an interview of an expert on how you can keep your garden free from moles. After listening to the segment, the student will be asked to: - assess the claims made in the segment; - look for contradictions in the interview; - pay attention to the variation of words used; - give tips on how you can keep your garden free from moles.
This patient education program explains melanoma including the causes, symptoms, diagnosis, staging, and options for treatment. It also reviews the anatomy of the skin, what cancer is, risk factors, and prevention. This resource is a MedlinePlus Interactive Health Tutorial from the National Library of Medicine, designed and developed by the Patient Education Institute.
This patient education program explains melanoma including the causes, symptoms, diagnosis, staging, and options for treatment. It also reviews the anatomy of the skin, what cancer is, risk factors, and prevention. This resource is a MedlinePlus Interactive Health Tutorial from the National Library of Medicine, designed and developed by the Patient Education Institute.
You probably remember the mole from high school chemistry, but do you remember why it is useful to chemists? The goal of the following video is to give the "big picture" of the mole and its applications; information on how to use the mole in calculations can be found in another tutorial. Throughout this course, we will use the term "molecular weight" to refer to the mass of a mole of a substance (for instance, the molecular weight of oxygen (O2) is 32 g/mol). Recent textbooks refer to this as "molar mass" to emphasize (i) that this term refers to the mass, not the weight, of substance, and (ii) that the quantity refers to a mole of a substance, not a single molecule. "Molecular weight" may be less precise, but it remains the term that most practicing chemists use in the laboratory. For this reason, we continue to use "molecular weight" in this course.
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