Answered: A refrigerator has COP of 5. How much… | bartleby

Related questions

Question

A refrigerator has COP of 5. How much work must be supplied to the refrigerator in
order to remove 72.25 cal of heat from its interion? Answer should be rounded off to
the nearest hundredths and in terms of Joules.

Expert Solution

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Blurred answer

Similar questions

250 mL of water at 20.0 ∘C is placed in the freezer compartment of a refrigerator with a coefficient of performance of 4.00. How much heat energy is exhausted into the room as the water is changed to ice at -5.00 ∘C?
A nuclear power plant operates at 75 % of its maximum theoretical (Carnot) efficiency between temperatures of 645 °C and 380 °C. 1. If the plant produces electric energy at the rate of 1.6 GW, how much exhaust heat is discharged per hour?
What is the Carnot efficiency (in percent) of a heat engine operating between the temperatures of 395°C (668 K) and 170°C (443 K)?
1. Suppose a woman does 600 J of work and -9500 J of heat transfer occurs into the environment in the process. (a) What is the decrease in her internal energy, assuming no change in temperature or consumption of food? (That is, there is no other energy transfer.) J AE int (b) The internal energy is stored energy due to food intake. Treating the change in internal energy as the input energy and work done as output, what is her efficiency? Efficiency, Eff: % (c) What physics law did you use in this problem? Zeroth Law of Thermodynamics First Law of Thermodynamics Second Law of Thermodynamics
4. With 2.56 × 10^6 J of heat transfer into an engine, it performs only 1.50 × 10^5 J of work. (a)What is the engine’s efficiency? (b) How much heat transfer to the environment takes place?
Warm winds called Chinooks sweep across the plains ju Mountains. These winds carry air from high in the mountain rapidly enough that the air has no time to exchange heat with a particular Chinook day, temperature and pressure high in the 60 kPa and 265 K, respectively; the plain below is 90 kPa. (a) the plain, does its volume increase or decrease? (b) How about And its internal energy? Please give explanations for all your answers
What is the Carnot efficiency (in percent) of a heat engine operating between the temperatures of 360°C (633 K) and 200°C (473 K)?