Most naturally occurring oxygen is

In this reaction n2o4(g)→2no2(g) what changes in color would you expect as pressure is increased at a constant temperature

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

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.