Determine the entropy production rate for the value
R-22, flowing steadily at 70 lbm/hr, enters the expansion valve of a refrigeration system as a saturated liquid at 183.09 psia. At the exit of the valve, the pressure is 31.162 psia. Determine the entropy production rate (Btu/hr-R) for the valve.
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A girl stands on a rotating merry-go-round, 2.3 m from its center. If the girl has a speed of 2.2 m/s, what is the minimum coefficient of static friction between her feet and the merry-go-round that will prevent her from slipping?
find the apparent weight of a 54-kg person in the roller coaster as it passes over the top of the hill. The apparent weight is how heavy the person feels, which is determined in this case by the normal force.
A 10 cubic foot tank is initially evacuated and is then filled from a supply line which contains R-22 at 100 psi, 100 F. Assuming no significant heat transfer.
The atmospheric sulfur dioxide (SO2) concentration over a certain region is 0.12 ppm by volume. Calculate the pH of the rainwater due to this pollutant. Assume that the dissolution of SO2 does not affect its pressure.
R-22, flowing steadily at 70 lbm/hr, enters the expansion valve of a refrigeration system as a saturated liquid at 183.09 psia. At the exit of the valve, the pressure is 31.162 psia.
Formic acid has molar mass of 46.03 g/mol and is composed of 26.1%C, 4.38% H and 69.52% O by mass. What is the molecular formula for this substance (list elements in the formula in the same order as given in the problem statement)?
The coefficient of kinetic friction between the two blocks is 0.300, and the surface on which the 8.00 kg block rests is frictionless. A constant horizontal force of magnitude F=10.0 N is applied to the 2.00 kg block, setting it in motion.
If you were given a large data set such as the sales over the last year of our top 1,000 customers, what might you be able to do with this data? What might be the benefits of describing the data?
Give an example of a research/statistic study that you encountered this week in your life (outside of this course). This could be something your saw on the news, read about in another course, read in a magazine, or even online. Label the variables
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The nurse is caring for a client who is prescribed a thrombolytic drug. Which item in the client's history does NOT support the use of this medication?
Problem: A patient expresses frustration about being labeled with PTSD, stating that it feels like a sign of weakness.
Describe two current societal trends/issues affecting the education of ELs and explain how the knowledge of these trends/issues will affect your future
Chief Complaint Abnormal vaginal discharge for one week after unprotected vaginal intercourse with a new male partner. SUBJECTIVE History
What diagnostic test(s) would be included in an initial assessment of a 58 year old asymptomatic male patientdiagnosed with hypertension?
Identify and discuss 2 potential risk factors for you as the worker when working alongside these clients
Question: The Nursing Home Reform Law of 1987 says that nursing homes must: