A sample of C2H5OH (molar mass: 46 g/mol) that contains 36 grams of carbon has a mass of
(A) 23 grams
(B) 36 grams
(C) 54 grams
(D) 69 grams
(E) 92 grams
Please answer with explanation ​

What semimetal can form four single covalent bonds.

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.

In pqr m< p=60 m< q= 30 and m