Ethylene Refrigerator

Diagram
All heat and work interactions shown. Qc=1000 kcal/hr. Also, you would have any information available from a Pressure-Enthalpy Diagram for Ethylene. That information would be available in a Perry's Handbook.
Find: 
m kg/hr
Qh kcal/hr
Ws kcal/hr
x
stream i 1 2 3 4
phase(s) sat. vapor vapor sat. liquid sat. liquid &
saturated vapor
initial temp
(°C)
-100 ? -25 ?
initial pressure
(bar)
? P2=P3 ? P4=P1
H
(kcal/kg)
? ? ? ? liquid
? vapor
S
(cal/g°C)
? S2=S1 X X
See Solutions

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