10.31 refrigerant 134a is the working fluid in a vapor-compression heat pump that provides 35 kw to heat a dwelling on a day when the outside temperature is below freezing. saturated vapor enters the compressor at 1.6 bar, and saturated liquid exits the condenser, which operates at 8 bar. determine for isentropic compression a. the refrigerant mass flow rate, in kg/s. b. the compressor power, in kw. c. the coefficient of performance.