Three different samples of R-134a as a saturated vapor are obtained at (a) -40 degC, (b) 0 degC and (c) 40 degC.1. Sketch the P-v and T-v diagrams for R-134a and locate the states for each of these samples.2. For each of the samples, determine the specific volume and pressurefor the R-134a using the tables.3. For each of the samples, determine the specific volumefor the R-134a using the ideal gas law.

Refrigerant-134a enters the compressor of a refrigerator as superheated vapor at 0.14 mpa and -10°c at a rate of 0.05 ka/s and leaves at 0.8 mpa and 50°c. the refrigerant is cooied in the condenser to 0.72 mpa and 26'c. it is then throttled to 0.15 mpa. sketch the t-s diagram for the system and evaluate: 6) the rate of heat removai from the refrigerated space (kw), it) the power input to the compressor (kw), ii) the isentropic efficiency of the compressor (%), and iv) the cop of the refrigerator.