Tuesday, June 05, 2007
Last Day Demos

Tomorrow, we will be "experimenting" with the ultra-cold liquid Nitrogen. That should be big fun. If you can bring in some flowers or a rubber ball or a balloon or anything that you want frozen beyond recognition (remember N2 is triple-bonded and thus inert, so it won't chemically react with anything; I may even make some ice cream with it), bring it in.
Also, we are supposed to create silver-mirror glass bottles tomorrow. If you cannot bring them past security, ask them to set the bottle aside and specifically tell them that I, Mr. Cicale, will pick them up before homeroom. If they give you a hassle, take the bottles to the commons area and put them underneath the tables, preferably in a bag. I will pick them up there for you.
This redox experiment works best with clean (well-rinsed), dry glass bottles. They make a nice paperweight or objet d'art for college.
p.s. if I returned to you the in-class exam from last week, be sure to give me the part II questions with your name on that paper so that I can grade your part II over the next week. I will return your part II's at the review sessions. You can email me for your grade at the end of next week.