A Carnot refrigerator transfers heat from its inside (6.00C) to the room air outside (20.00C). (a) Find

Question:

A Carnot refrigerator transfers heat from its inside (6.00C) to the room air outside (20.00C).

(a) Find the coefficient of performance of the refrigerator.

(b) Determine the magnitude of the minimum work needed to cool 5.00 kg of water from 20.0 to 6.00C when it is placed in the refrigerator.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Physics

ISBN: 978-0470879528

9th edition

Authors: John D. Cutnell, Kenneth W. Johnson

See More Books

Question Posted: Feb 06, 2013 04:13 AM

See More Questions

A Carnot refrigerator transfers heat from its inside (6.0 C) to the room air outside (20.0 C). (a) Find the coefficient of performance of the refrigerator. (b) Determine the magnitude of the minimum...
Does a red-hot poker radiate more when it is placed in a warm oven, or when it is placed in a cold room? (Or does it radiate the same in both)?
A room air conditioner operates as a Carnot cycle refrigerator between an outside temperature Th and a room at a lower temperature T1. The room gains heat the outdoors at a rate A (Th Tl); this heat...
If possible, completely factor the expressions in Problems 336. 9-x-2x
Examine the graph in Figure 21-1 and answer the following questions: (a) The area bounded by the lines AB, BC, CD, and AD is called the feasible area. Why? (b) The triangles BCF and CDE are not part...
The standard error of the estimate can be thought of as the average ____ in prediction.
Assume that $y$ is normally distributed with mean $\mu$ and variance $\sigma^{2}$. Let $\phi(\cdot)$ and $\Phi(\cdot)$ be the standard normal density and distribution functions,...
Discuss some of the basic features of an ERP. How do these features distinguish an ERP from an integrated accounting software program?
Visit one B2C and one B2B Web site. Examine each carefully, identifying as many relationship building techniques as possible. Do you find extensive differences between the B2C and B2B sites? Discuss...
Mr. Agirich of Aggie Farms is considering the purchase of 100 acres of prime ranch land that is adjacent the ranch he now owns. Mr. Agirich can operate the additional 100 acres with present labor,...
Review Conceptual Example before attempting this problem. A window air conditioner has an average coefficient of performance of 2.0. In a futile attempt to cool a bedroom, this unit has been placed...
Find the change in entropy of the H2O molecules when (a) Three kilograms of ice melts into water at 273 K and (b) Three kilograms of water changes into steam at 373 K. (c) On the basis of the answers...
One way that large families often decide who will give each other Christmas presents is to do a drawing. All the names go in a hat and each person draws a name and that is the person to whom he or...
In this exercise, we consider the amounts that are borrowed for single family home purchases in Las Vegas, Nevada, during 2010. Use the data file vegas5_small for this exercise. a. Compute summary...
Show that the perturbation potential equation expressed in moving coordinates for a steady compressible flow, satisfies Eq. 2.24 in original coordinates. Eq. 2.24 V' 1 +U- $' = 0 t x
A well-insulated, rigid vessel is divided into two compartments by a partition. The volume of each compartment is 0.1 m3. One compartment initially contains 400 moles of gas A at 300 K, and the other...
Identify a personal project that you have completed in the recent past this may be a piece of coursework, a DIY project, etc. Consider the way in which the project was planned, carried out, the...
Find examples of projects that fit into each of the categories of project first-timers, as...but...s, and painting by numbers. Briefly discuss how the category would influence how you would expect...
Solve for t 1 1-t 1 1+t = 1
For a Poisson process of rate , the Bernoulli arrival approximation assumes that in any very small interval of length , there is either 0 arrivals with probability 1- or 1 arrival with probability ....
Parmalane reports the following information: Sales revenue $500,000 Cost of goods sold 200,000 Operating expense 40,000 Unrealized loss on non-trading securities 10,000 Parmalane should report the...
In Figure, elevator cabs A and B are connected by a short cable and can be pulled upward or lowered by the cable above cab A. Cab A has mass 1700 kg; cab B has mass 1300 kg. A 12.0 kg box of catnip...
In Figure, a block of mass m = 5.00kg is pulled along a horizontal frictionless floor by a cord that exerts a force of magnitude F = 12.0 N at an angle = 25.0o. (a) What is the magnitude of the...
In earlier days, horses pulled barges down canals in the manner shown in Figure. Suppose the horse pulls on the rope with a force of 7900 N at an angle of = 18o to the direction of motion of the...
Evaluate the following limits. 3. lim f(x) if f(x) = 3 5x 2x, if x 1 4 (5 points) -3 1 + - 4x, if x < 1 x3 1 X - 1
Here are the height of 50 students who participated in a statistics survey: 242 23 34 60 45 66 77 23 34 45 674 54 52 54 65 76 89 89 76 56 76 34 43 33 47 56 58 266 16600 42 15 67 45 76 56 34 39 92 72...
Show that if f: [a, b] R is differentiable on (a, b) and f 0, then c = (a, b) such that f'(c) f(c) = + a-c 1 b-c Hint: Consider the function h(x) = f(x)(x - a)(x - b).

A Carnot refrigerator transfers heat from its inside (6.00C) to the room air outside (20.00C). (a) Find

Question:

Step by Step Answer:

a Substituting values into E...View the full answer

Physics

Students also viewed these Thermodynamics questions