= 3-33 A spring-loaded piston-cylinder device is initially filled with 0.1 kg of an R-134a liquid-vapor mixture whose tempera- ture is -34C and whose quality is 80 percent. The spring con- kx is 6.6 kN/m, and the stant in the spring force relation F piston diameter is 30 cm. The R-134a undergoes a process that increases its volume by 40 percent. Calculate the final tempera- ture and enthalpy of the R-134a. Answers: -30.9C, 13.7 kJ/kg 00 01022 moil your 2010 Oul zaigo R134a -D- FIGURE P3-33 Spring 10 226m Iztat orl 05