Cho các nhóm sau: Carboxyl (1), Ceton (2), Methyl (3), Phenyl (4), Aldehyd (5), Hydroxyl (6) Câu 1. Sắp xếp độ hòa tan giảm dần các nhóm. Thứ tự đúng sẽ là: A. (1)>(3)>(5)>(6)>(2)> (4) B. (3)>(1)>(5)>(6)>(2)> ( C. (1)>(2)>(5)>(6)>(3)> (4) D. (1)>(6)>(5)>(2)>(4)> (

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.

What type of electromagnetic waves does the human eye see as the colors red blue or green a visible light waves b radio waves c infrared waves d microwaves

What is the value of the standard enthalpy of formation of an element in its most stable form?