A gas confined in a cylinder is maintained at a constant pressure by means of a weight placed on the piston. The piston is frictionless. The diameter of the piston is 100mm and mass of the piston and the weight together is 50 kg. The atmospheric pressure is 1 bar and acceleration due to gravity is 9.8 m/s2. Estimate the following: i) The pressure of the gas ii) The work done by the gas in Joules if the gas is allowed to expand pushing up the piston and the weight by 500 mm.
A gas confined in a cylinder is maintained at a constant pressure by means of a weight placed on the piston. The piston is frictionless. The diameter of the piston is 100mm and mass of the piston and the weight together is 50 kg. The atmospheric pressure is 1 bar and acceleration due to gravity is 9.8 m/s2. Estimate the following: i) The pressure of the gas ii) The work done by the gas in Joules if the gas is allowed to expand pushing up the piston and the weight by 500 mm.
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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A gas confined in a cylinder is maintained at a constant pressure by
means of a weight placed on the piston. The piston is frictionless. The
diameter of the piston is 100mm and mass of the piston and the weight
together is 50 kg. The atmospheric pressure is 1 bar and acceleration
due to gravity is 9.8 m/s2. Estimate the following:
i) The pressure of the gas
ii) The work done by the gas in Joules if the gas is allowed to expand
pushing up the piston and the weight by 500 mm.
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