question archive How does a refrigerator work? a

How does a refrigerator work? a

Subject:ChemistryPrice: Bought3

How does a refrigerator work?

a. By comparing the PH diagrams of nitrogen, methane and HFC134a, explain in one or two short sentences why HFC134a is a good refrigeration fluid. 

b. Determine the COP of a refrigerator that uses Rankine refrigeration cycle and pumps heat between -20 and +40 •C. 

c. compare your answer in part b for a vapor compression refrigeration cycle that operates between the same temperatures.  

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