Wednesday, February 5, 2014

Chemistrty

Plastic by the numbers Purpose: To describe any(prenominal) of the major(ip) malleable rosins and their customs. To comp are and contrast the properties of different elastic resins. To heed products that different resins. Hypothesis: If majority of the plastic resins are use than the different properties of the plastic can be recycle. Materials Station 1: Plastic soft drinks bottles, mouth wash bottle, peanut butter, salad dressing, hold dear bags, frozen food, milk water, shampoo, clear food packaging, videocassette cases, compact demonstrate jacket Materials Station 2: Several pieces of different things of plastic t.e.g. HDPE raceway from milk jugs, LDPE from lab was bottles, polypropylene from yogurt cartons, darling from treat mint boxes or CD jewel cases, etc) 250Ml, breakers, inebriety glasses, or smooth containers, plastic wrap aluminum foul, or con glasses to cover containers, graduated cylinder, balance, forceps, rubbing alcohol (70% isopropyl alco hol)(IPA) NaCl disconcert salt, vege dining table oil (optional) Procedure Station 1: look at table1 major plastic resins and their uses. This resin graph describes six greenness resins and the variety of uses each has. The uses depend on the properties of each resin listed (e.g, lightweight, flexible, incredibly hard, rigid, durable). The code numbers are use by recyclers to identify different resins. Find a pattern of as many of the six resins as you can. (There is a 7 which is used kind of like none of the higher up it is not common). Since this is an instituteitional credit assignment, each resin you use volition add to your grade. It is important that the plastic identification code be panoptical on each object, for ease in identifying the resin from which it is made. run across in table 2 properties of plastic resins as you experiment your plastic samples. Cut out the cycle symbol on each sample and attach it to table 2.Cut a small piece, about 1cm by 1cm, of each sample and put them into a small container ! of tap water and discover which float (F) and which sink(s). You may...If you lack to get a full essay, instal it on our website: BestEssayCheap.com

If you want to get a full essay, visit our page: cheap essay

No comments:

Post a Comment

Note: Only a member of this blog may post a comment.