Hydrogen gas P1=15 psia, T1= 80 degree F. Compressed at a rate of 20 ft3/min in a hot environment until P2= 75.3 psig. Heat is introduced at a rate of 20 BTU/min and the change in entropy is 0.268 BTU/min-R. T1= 540R, H1= 3660.9, U1=2588.5, Sp. Heat = 31.232

(a) What is final T in R?

(b) What is the work equivalent Hp if the system is non flow?

(c) Work if the system is steady flow in btu/min?

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity

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 water, a strong acid will break down into its component parts. a. completely b. partly c. never in water, a weak base will break down into its component parts. a. completely b. partly c. never