Answered: One kilogram of steam is placed in a…

Introduction to Chemical Engineering Thermodynamics

8th Edition

ISBN:9781259696527

Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Chapter1: Introduction

Section: Chapter Questions

Problem 1.1P

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Question

One kilogram of steam is placed in a piston-cylinder
device, initially at P 5 1 bar and T 5 1008C. The
steam is heated at constant pressure to T 5 2008C.
A. Find the heat and work for this process. Obtain all
needed data from the steam tables.
B. Find the heat and work for this process. Use the
ideal gas law and the ideal gas heat capacity for
steam, located in Appendix D. How far off are
your answers compared to part A?
C. Suppose in part A you had overlooked the fact
that the steam expands when heated, and assumed
that work was negligible. How far off would your
answers for Q have been?

Definition Definition Law that is the combined form of Boyle's Law, Charles's Law, and Avogadro's Law. This law is obeyed by all ideal gas. Boyle's Law states that pressure is inversely proportional to volume. Charles's Law states that volume is in direct relation to temperature. Avogadro's Law shows that volume is in direct relation to the number of moles in the gas. The mathematical equation for the ideal gas law equation has been formulated by taking all the equations into account: PV=nRT Where P = pressure of the ideal gas V = volume of the ideal gas n = amount of ideal gas measured in moles R = universal gas constant and its value is 8.314 J.K-1mol-1 T = temperature

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