Using these questions, evaluate three of the four sites listed below which offer information on the use of zinc lozenges to alleviate the common cold. One reliable source of information on the Internet is scholarly, refereed journals. Penn State students have access to the full-text of American Chemical Society journals. At the ACS site , select a journal and choose an article from the current Table of Contents which interests you. Cite the article these guidelines for bibliographic citation of electronic sources.
Discussion lists are yet another source of information.
Visit the polystyrene section of the Macroplex Poylmer Cinema . Describe how syndiotactic polystyrene differs from the polystyrene of our everyday lives. All molecular models in the Macroplex Polymer Cinema are 3-D and can be revolved using your mouse. To view the models on your home computer, you may need to download the Chime plug-in . A chemist named Paul Krebaum developed a solution which neutralizes skunk spray odor.