Twenty cu. ft of air at 320 psia and 420°F is cooled to 150°F at constant volume. Cv = 0.1714 and k = 1.4. What are (a) the final pressure (b) the work (c) the change in internal energy (d) the transferred heat) (e) the change of enthalpy and (f) the change of entropy.
TOPIC: Processes of Ideal Gas
SUBTOPIC: Isometric Process
DEFINITION: An Isometric Process is a reversible constant volume process. A constant volume process maybe reversible or irreversible.
a.) P2 = 221.78 psia b.) W = 0 c.) ∆U = -908.899 BTu d.) Q = ∆U = -908.899 BTu e.) ∆H = -1272.4598 BTu f.) ∆S = -1.2341 BTu/°R
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