Question

a fluid in a closed system expands slowly according to the relation U=32+0.004pV, where U is in BTU, p in psfa, V in ft3. when the fluid changes from an initial state of 65 psia, 3 ft3. Compute the the work & heat transfer in calories.

Answer 1

from an initial state ... "to the next state", yes?

if you can re-post **in SI**, with the next state, I could try help out.

the units are depressing