2. Determine whether R-134a at each of the following states is a compressed liquid, a superheated vapor, or a saturated mixture of liquid and vapor. (a) 500 kPa, 0.051201 m³/kg, (b) 1 MPa, 33.45°C, (c) 28°C, 0.021119 m³/kg, (d) Sketch P-T, P-v and T-v diagrams for the state given in part (c).

2. Determine whether R-134a at each of the following states is a compressed liquid, a superheated vapor, or a saturated mixture of liquid and vapor. (a) 500 kPa, 0.051201 m³/kg, (b) 1 MPa, 33.45°C, (c) 28°C, 0.021119 m³/kg, (d) Sketch P-T, P-v and T-v diagrams for the state given in part (c).

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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Entropy

In physics, entropy means the amount of disorder or the degree of randomness associated with a thermodynamic system. The system is not self-organized when the entropy of the system is high. For instance, when a system is at an elevated temperature, its molecules are in random motion, vibrating and colliding with each other. During this scenario, the probability of finding a molecule at a particular place twice, is low. Under this circumstance, the system can be said to be in a high entropy.

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2. Determine whether R-134a at each of the following states is a compressed
liquid, a superheated vapor, or a saturated mixture of liquid and vapor.
(a) 500 kPa, 0.051201 m³/kg,
(b) 1 MPa, 33.45°C,
(c) 28°C, 0.021119 m³/kg,
(d) Sketch P-T, P-v and T-v diagrams for the state given in part (c).

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