1-A closed unsteady state System can not be isothermal system. 12- Aclosed system must be adiabatic T₂ 3- for real gas DH = f, "cpdt is an exact expansion
1-A closed unsteady state System can not be isothermal system. 12- Aclosed system must be adiabatic T₂ 3- for real gas DH = f, "cpdt is an exact expansion
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
Transcribed Image Text:*Energy Balances
Answer the following in (Truejor (Fals)
1- A closed unsteady state Gystem can not be isothermal system.
12- A closed system must be adiabatic
3- for real gas DH = f "apdT is an
4-potential energy has no
exact expansion.
unique absolute value
5- the law of the coffer conservation of energy that all
in system.
energy change
6- heat transfer to an closed, Un steady state, system can not Zero.
7- the shaft work done by the pump and motor location in
the system is posetive.
8- The molar heat of vaporization of tho is 40.7 kj/mol
9- Potential energy can over
be
negative.
T₂
10- for liquid below Tr =0.75 or a solid, DU =S cpdt
11- Cu cannot be used to calculate DĤ-you have
cp
use
12-1f. the energy crossing crossing the boundray of closed
system is not heat, it must be work
to
541
Zero
16-
17- The shaft work done by a pump and motor located In
side the system is positive
w.
13- Can the kinetic energy of a mass be zero, if the mass a velocity
14-Tempreture is measure of the averge kinetic energy of material
open system DE is always Zero
15- In an
In a closed system
AE never
Internal energy
18- An input stream to system, posseses
dose flow work on the syste
An
"
4
19-
20- Volume is a conserved variable in every gas the change
In the volume of a system.
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