PLEASE HELP! The compound Tetrahydrocannabinol (the psychoactive component in marihuana) is C2 H2002 What is the valence count? (as in total number of valance electrons for this compound. (Hint: We talked about this when we discussed Lewis structures) O 140 O 110 O 130 O 120

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.

Identify the electromagnets with poles that are reversed from the electromagnet shown above

40dm3 of gas at 760 torr are heated from 5°c to 50°c what is the new volume