PART B $(10$ pts $)$: Complete the following table for refrigerant$-134$a $(8$ pts $).$ Write a brief description of what refrigerant$-134$a is and why it is used as an example in thermodynamics courses $(2$ pts$).$

$\backslash$table$[[T,C,P,$kPa,$u,k\frac{J}{k}g,$Phase description$],[20,,95,],[-12,,,$Saturated liquid$],[,400,300,],[8,600,,]]$