Im on part c. Im so confused, how do i know how much is in liquid or vapor phase there is no mention of quality or anything my friend said to look at the properties in the tables but that doesnt help to determine how much r134 is in hwat phase please help me. R-134a is inside of a piston-cylinder assembly that is horizontal (i.e. the piston movesperpendicularly with respect to gravity). The initial state is 263 K and 2 bar. The final state is 323K and 10 bar. For the purposes of this problem, assume that the pressure-volume relation followsa polytropic process (i.e., PV = constant). Do the following:A) Draw a schematic of the system and clearly indicate the system boundary that you willuse in your analysis.B) Sketch the process(es) on a P-v diagram. Be sure to include the vapor dome correspondingto the two-phase region in your sketch.C) Determine the work per unit mass of R-134a (W/MR-134a) that is done. Use the appropriate+/- sign notation or clearly indicate whether the work is "in" or "out.”D) Determine the heat transfer per unit mass of R-134a (Q/MR-134a) that is done. Use theappropriate +/- sign notation or clearly indicate whether the work is "in" or "out."

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Answered: R-134a is inside of a piston-cylinder…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Im on part c. Im so confused, how do i know how much is in liquid or vapor phase there is no mention of quality or anything my friend said to look at the properties in the tables but that doesnt help to determine how much r134 is in hwat phase please help me.

R-134a is inside of a piston-cylinder assembly that is horizontal (i.e. the piston moves
perpendicularly with respect to gravity). The initial state is 263 K and 2 bar. The final state is 323
K and 10 bar. For the purposes of this problem, assume that the pressure-volume relation follows
a polytropic process (i.e., PV = constant). Do the following:
A) Draw a schematic of the system and clearly indicate the system boundary that you will
use in your analysis.
B) Sketch the process(es) on a P-v diagram. Be sure to include the vapor dome corresponding
to the two-phase region in your sketch.
C) Determine the work per unit mass of R-134a (W/MR-134a) that is done. Use the appropriate
+/- sign notation or clearly indicate whether the work is "in" or "out.”
D) Determine the heat transfer per unit mass of R-134a (Q/MR-134a) that is done. Use the
appropriate +/- sign notation or clearly indicate whether the work is "in" or "out."

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