Helium gas expands from 125 kPa, 350 K and 0.25 m3 to 100 kPa in a polytropic

Question:

Helium gas expands from 125 kPa, 350 K and 0.25 m3 to 100 kPa in a polytropic process with n = 1.667. Is the work positive, negative or zero? Discuss.

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

Step by Step Answer:

Related Book For book-img-for-question

Fundamentals of Thermodynamics

ISBN: 978-0471152323

6th edition

Authors: Richard E. Sonntag, Claus Borgnakke, Gordon J. Van Wylen

See More Books

Question Posted: Nov 24, 2009 02:01 AM

See More Questions

Helium gas expands from 20 psia, 600 R and 9 ft3 to 15 psia in a polytropic process with n = 1.667. How much heat transfer is involved?
Nitrogen gas is expanded in a polytropic process with n 5 1.25 from 2 MPa and 1200 K to 200 kPa in a piston - cylinder device. How much work is produced and heat is transferred during this expansion...
Air is expanded in a polytropic process with n 5 1.2 from 1 MPa and 400oC to 110 kPa in a piston-cylinder device. Determine the final temperature of the air.
A. What is Alpha One's NOPAT? Why does NOPAT differ from the earnings after taxes? B. Estimate the effective before-tax cost of the long-term debt. c. Estimate the effective after-tax cost of the...
Let the demand for money in the economy be given by 150,000 - [Ination (%)] 3 . Calculate the amount of revenue raised through the ination tax for ination rates up to 50% (a spreadsheet would help!)....
Convert the following Fischer projections into tetrahedral representations, and assign R or S stereochemistry toeach: H (b) (a) H2N- - (c) - - CH-CH CH CH
Explain and prepare a classified balance sheet
It is fairly common for an industrial cluster to break up and for production to move to locations with lower wages when the technology of the industry is no longer rapidly improvingwhen it is no...
Referring to the scenario in the Week 5 Assignment: Which costs are relevant to Brads decision to purchase a new, larger boat? If Brad decides to purchase a larger boat, what costs will be affected...
Exercise 6.1 Configuring Memory on Paper Objective: a computer is not performing as well as it used to. Windows 10 tool would the technician get the user to open to quickly tell how much RAM is...
Helium gas expands from 125 kPa, 350 K and 0.25 m3 to 100 kPa in a polytropic process with n = 1.667. Is the work positive, negative or zero?
Show how the polytropic exponent n can be evaluated if you know the end state properties, (P1, V1) and (P2, V2).
A machinable grade of aluminum is to be milled on an NC machine with a 20 mm diameter four-tooth end milling cutter. Cutting speed = 120 m/min and feed = 0.008 mm/tooth. Convert these values to...
1. List at least three (3) ways a business can anticipate potential problems to prevent complaints. 2. Explain how to identify customer needs and expectations. 3. List at least five (5) ways to build...
you have taken over a company with 4 employees and you have 1 millon dollars with you.as business management student,you are expected to take 5 business decisions ensuring that the company is able to...
Draw the Diamond - E ( SERVO ) model of strategic management and provide ONE WORD ( or short phrase ) that best describes the relationships between the elements of the model. ( up to 1 0 points )
If a patient's X-ray is rejected (at the end of the 22-minute evaluation by the doctor), she has a second X-ray taken (assume that the second X-ray will always be accepted) and this new X-ray must be...
What are the cognitive appraisal processes involved in stress perception, and how can cognitive-behavioral techniques such as cognitive restructuring and mindfulness-based interventions help...
At year-end, the price-earnings ratio of General Motors was 11.3, and the price-earnings ratio of Microsoft was LO15 28.14. Which company did the stock market favor? Explain.
Anna, a high school counselor, devised a program that integrates classroom learning with vocational training to help adolescents at risk for school dropouts stay in school and transition to work...
On Labor Day in 1999, an explosion caused by stray propane gas destroyed the home of Jerry Usovsky, killing seven people and seriously injuring several others. The survivors and the estates of the...
ABC Company engaged in the following transaction in October 2 0 1 7 Oct 7 Sold Merchandise on credit to L Barrett $ 6 0 0 0 8 Purchased merchandise on credit from Bennett Company $ 1 2 , 0 0 0 . 9...
Lime Corporation, with E & P of $500,000, distributes land (worth $300,000, adjusted basis of $350,000) to Harry, its sole shareholder. The land is subject to a liability of $120,000, which Harry...
A comic store began operations in 2018 and, although it is incorporated as a limited liability company, it decided to be taxed as a corporation. In its first year, the comic store broke even. In...

Helium gas expands from 125 kPa, 350 K and 0.25 m3 to 100 kPa in a polytropic

Question:

Step by Step Answer:

The process equation is PV C The polyt...View the full answer

Fundamentals of Thermodynamics

Students also viewed these Mechanical Engineering questions