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1. An insulated 0.15-m3 tank contains helium at 3 MPa and 130°C. A valve is now opened, allowing some helium to escape. The valve is closed when one-half of the initial mass has escaped. Determine the final temperature and pressure in the tank.
2. An insulated 40-ft3 rigid tank contains air at 50 psia and 120°F. A valve connected to the tank is now opened, and air is allowed to escape until the pressure inside drops to 25 psia. The air temperature during this process is maintained constant by an electric resistance heater placed in the tank. Determine the electrical work done during this process.
The fox population in a certain region has an annual growth rate of 9% per year. In the year 2012, there were 21,600 foxes counted in the area. What is the fox population predicted to be in the year 2020? (Round your answer to the nearest whole nu..
Interest on a loan is paid on a declining balance, and hence a loan with an interest rate of, say, 14 percent can cost significantly less than 14 percent of the balance. Write a program that takes a loan amount and interest rate as input and then ..
In this assignment you will create a short text-based adventure game. The user is presented with a short text description of the state of the game and a small set of alternative actions to take.
In a congested city which of the following mobile communication technique would you use?
Find the IDs of all students who were taught by an instructor named Einstein; make sure there are no duplicates in the result.
Kennametal, a $2 billion maker of construction tools, has spent $10 million on ERP maintenance contracts during the past 13 years and not once could the company take advantage of upgrades, says CIO Steve Hanna. The company's implementation was too..
If the coefficient of static friction at all contacting surfaces is µS , determine the inclination θ at which the identical blocks, each of weight W, begin to slide.
This project requires you to perform a systems analysis and then design a system solution using database software. Ace Auto Dealers specializes in selling new vehicles from Subaru.
Determine the top three things that the head of IT should be doing to improve the skills of the IT staff.
Which topology do you believe would be best suited for a small business (less than 100 employees)? Which topology would be better for a large business (2,000 or more employees)? Support your answers with appropriate rationale. List the advantages ..
Android provides the Dalvik Virtual Machine, which allows native Android apps to be developed using a combination of Java and the Android API. Apple's iOS does not provide a Java Virtual Machine;
In order to form an alternating sequence, a boy and a girl could swap their positions. Given the original sequence in which the boys and girls were standing, find the minimum number of swaps required to form an alternating sequence.
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