Calculate the standard enthalpy change for the reaction 2a+b⇌2c+2d use the following data: substance δh∘f (kj/mol) a -269 b -419 c 205 d -515 for the reaction given in part a, how much heat is absorbed when 3.10 mol of a reacts?

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.