1. One kg of liquid water at 25°C, for which Cp = 4.18 kl/kg°C: (a) Experiences a temperature increase of 1 K. What is AU, in kJ? (b) Experiences a change in elevation Az. The change in potential energy AE, is the same as AUF for part (a). What is Az, in meters? (c) Is accelerated from rest to final velocity u. The change in kinetic energy AE, is the same as AU for part (a). What is u, in m · s-1?
1. One kg of liquid water at 25°C, for which Cp = 4.18 kl/kg°C: (a) Experiences a temperature increase of 1 K. What is AU, in kJ? (b) Experiences a change in elevation Az. The change in potential energy AE, is the same as AUF for part (a). What is Az, in meters? (c) Is accelerated from rest to final velocity u. The change in kinetic energy AE, is the same as AU for part (a). What is u, in m · s-1?
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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Transcribed Image Text:1. One kg of liquid water at 25°C, for which C, = 4.18 kJ/kg°C:
(a) Experiences a temperature increase of 1 K. What is AU, in kJ?
(b) Experiences a change in elevation Az. The change in potential energy AE, is the same as AUE for part (a). What
is Az, in meters?
(c) Is accelerated from rest to final velocity u. The change in kinetic energy AE, is the same as AU for part (a). What
is u, in m · s-1?
2. An incompressible fluid (p = constant) is contained in an insulated cylinder fitted with a frictionless piston. Can
energy as work be transferred to the fluid? What is the change in internal energy of the fluid when the pressure is
increased from P1 to P2?
3. Liquid water at 180°C and 1002.7 kPa has an internal energy (on an arbitrary scale) of 762.0 kJ/kg and a specific
volume of 1.128 cm³/g.
(a) What is its enthalpy?
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