A block of aluminum at 100F is brought into contact with a 40-lbm block of copper at

Question:

A block of aluminum at 100°F is brought into contact with a 40-lbm block of copper at 200°F in an insulated container. What is the final equilibrium temperature if the mass of the aluminum block is
a) 20 lbm,
b) 40 lbm,
c) 60 lbm?

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

Step by Step Answer:

Related Book For book-img-for-question

Thermodynamics for Engineers

ISBN: ?978-1133112860

1st edition

Authors: Kenneth A. Kroos, Merle C. Potter

See More Books

Question Posted: Jun 29, 2016 05:14 AM

See More Questions

A 20.0-g block of iron at 50.0oC and a 20.0 g block of aluminum at 45oC are placed in contact with each other. Assume that heat is only transferred between the two blocks. a. Draw an arrow indicating...
A 20 kg block of aluminum at 97.4oC is dropped into a tank containing 10 kg of water at 1oC. If the final temperature after equilibrium is 30oC, determine (a) U. (b) S for the combined system of...
A 2 kg block of aluminum at 600oC is dropped into a cooling tank. If the final temperature (T2) at equilibrium is 25oC, determine (a) The change in internal energy (U) . (b) The change in entropy (S)...
List the key principles of the six Sigma philosophy. How does it differ from TQM?
The readiness of a global markets infrastructure is important for any integrated marketing campaign to communicate a similar message across different media (e.g., newspaper, magazine, radio,...
Miller Company s contribution format income statement for the most recent month is shown below: Total Per Unit Sales ( 2 8 , 8 0 0 units ) $ 2 5 9 , 2 0 0 $ 9 . 0 0 Variable expenses 1 5 5 , 5 2 0 5...
Refer to Exercise 4.80 and obtain the (a) mean; (b) variance; (c) standard deviation for the number of requests for conference rooms. Data From Exercise 4.80 4.80 Upon reviewing recent use of...
Yeager Company pays John Kerr a salary as an employee and also fees for work he does as an independent contractor. Does this violate IRS rules?
Explain how the calculations in the the below table are worked out? -the S&P is calculated? -beta -market premium -benchmark -r2 -(1-r2) # Stock Options Weightage Anticaped WT. Avg Rate of Return...
Describe two different ways to assess the capability of a process.
Ice cubes at 20F, each occupying a volume of 0.4 in3, are added to an insulated container holding one quart of water at 70F. Estimate the equilibrium temperature, or the mass of ice that melts, if...
One hundred kilograms of water are held in a rigid tank at 15C. Determine the final temperature of the water if a) 3000 kJ, b) 5000 kJ, or c) 8000 kJ of heat are added to the tank.
Using the previously mentioned survey and the binary choice selection method, collect the following data: a. Create a scatter plot graph on a grid with the yes response rate on the vertical axis and...
Usury is charging an illegal rate of interest. (True/False)
To be guilty of an intentional tort, a person must intend the consequences of their act or know with substantial certainty that those consequences will result. (True/False)
A random sample of 500 students at Average College finds the sample mean combined-SAT score to be 1.050 with a standard deviation of 120. Construct a 90 % confidence interval for the mean SAT score.
If the purpose of a licensing statute is to protect the public from unlicensed practitioners, a contract entered into with an unlicensed practitioner is unenforceable. (True/False)
All states have statutes that regulate gambling. (True/False)
The sketch shows the curve y = x 4 2x. a. Find the coordinates of the point A. b. Calculate the area of the shaded region. ly =x-2x A
Why can wastewater treatment requirements in Hawaii be less stringent than those in most locations on the U.S. mainland?
Superheated refrigerant R-134a at 20C, 0.5 MPa is cooled in a piston/cylinder arrangement at constant temperature to a final two-phase state with quality of 50%. The refrigerant mass is 5 kg, and...
A cylinder having a piston restrained by a linear spring (of spring constant 15 kN/m) contains 0.5 kg of saturated vapor water at 120C, as shown in Fig. P5.57. Heat is transferred to the water,...
A rigid tank is divided into two rooms by a membrane, both containing water, shown in Fig. P5.58. Room A is at 200 kPa, v = 0.5 m3/kg, VA = 1 m3, and room B contains 3.5 kg at 0.5 MPa, 400C. The...
Solve the triangle shown to the right. Round the lengths of sides to the nearest tenth and angles to the nearest degree. 96 b=5 a=7 B A C C9.0 (Do not round until the final answer. Then round to the...
Hello, need help with making the program MealData.txt Avocado Egg Rolls 6.00 Parmesan-crusted Chicken 19.75 Strawberry Shortcake Pizookie 8.25 BBQ Tri-Tip Sliders 12.95 Spicy Peanut Chicken with Soba...
Assume you have been appointed to develop ethnic and multicultural marketing for a small chain of household appliance stores in large metropolitan area. There are several large concentrations of...

A block of aluminum at 100F is brought into contact with a 40-lbm block of copper at

Question:

Step by Step Answer:

We define the system as both blocks There is no work done and no heat ...View the full answer

Thermodynamics for Engineers

Students also viewed these Thermodynamics questions