How many moles are in 75.0 grams of
nitrogen gas - N2?

Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )

Which common material is an example of a polymer? (25 pts) a. steel b. plastic c. petroleum d. rubbing alcohol

If oil spills continue, all of the following should be expected except (2 points) death of aquatic life. polluted groundwater. decreased soil productivity. increased global temperatures.