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A refrigerator uses refrigerant-134a as the working fluid and operates on the ideal vapor-compression refrigeration cycle except for the compression process. The refrigerant enters the evaporator at 120 kPa with a quality of 30 percent and leaves the compressor at 60 deg C. If the compressor consumes 450 W of power, determine:
a. the mass flow rate of the refrigerant,
b. the condenser pressure, and
c. the COP of the refrigerator.
Surveys are common and often are effective techniques for conducting homeland security research because practitioners within the homeland security architecture are often spread over great distances.
I need help writing a paper on the use of symbolism and expressionism in the following Eugene O'Neill plays: Anna Christie, Behind the Horizon, The Emperor Jones, and The Hairy Ape.
Why should a political stsyem be unitary, federal, or confederal? If the U.S. were to have another constitutional convention, would we keep a federal system or change it ? Why or Why not?
In what ways does Baroque music reflect the intellectual and social trends of its time? Are there elements that seem to stand in tension? For example, how do you reconcile the Baroque's exuberance and extravagance with accompanying ideals of ration..
The Research Paper should demonstrate understanding of the reading assignments as well as the implications of new knowledge. The eight-page paper should integrate readings and class discussions into work and life experience; the paper should also dem..
Answer the following question in a manner that is clear and concise. Write so that the lay person can understand your answer.
Describe what is meant by the observation made by Vincent Ostrom, Indiana University professor (and husband of 2010 Nobel Prize co-winner in Economics, Elinor Ostrom):
What is the difference between lot-size-based and volume-based quantity discounts? Make answer as brief as possible.
Discuss the advantages and disadvantages of computer-based versus paper-based medical records. Do you prefer paper-based medical records or computer-based records?
The concept of operant conditioning based on the notion which the environment gives rewards and punishments for behaviors.
What is the concentration of sodium ions inside the cell during an action potential compared to the sodium concnetration at rest? What is the permeability of the membrane to sodium during an action potential compared to the sodium permeability at res..
many stakeholders are impacted by the branding activities organizations execute. Who are the various internal and external stakeholders normally affected by branding activities and how do their motivations differ?
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