1. Define the two parts of the word polymer, and give a literal definition of polymer. 2. Describe two properties of polymers that depend on their long-chain structure.
3. Name three items that consist of or contain polymers.

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.

Given the following equation: 2a1 + 3mgcl2 --> 2alcl3 + 3mg how many moles of aluminum chloride are produced from 2.5 moles of magnesium chloride?

At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver