3 mol of an ideal gas undergoes a process a → be shown in the following PV diagram: P (10³ Pa) 3 2 b la 2 V (10-³ m³) 3 4 5 6 The type of gas is unknown but UCD physicists measure its heat capacity to be 99.8 J/K when pressure is constant. Determine the total heat transfer for the process a → b→c. There are no phase changes.

3 mol of an ideal gas undergoes a process a → be shown in the following PV diagram: P (10³ Pa) 3 2 b la 2 V (10-³ m³) 3 4 5 6 The type of gas is unknown but UCD physicists measure its heat capacity to be 99.8 J/K when pressure is constant. Determine the total heat transfer for the process a → b→c. There are no phase changes.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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Concept explainers

Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.

Question

2)
3 mol of an ideal gas undergoes a process abc shown in the following PV diagram:
P (10 Pa)
4
2
1
b
la
2
V (10-³ m³)
3
4
5
The type of gas is unknown but UCD physicists measure its heat capacity to be 99.8 J/K when pressure is constant. Determine
the total heat transfer for the process a b c. There are no phase changes.
6

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A PV diagram below, Figure 1, shows two possible states of a system containing three moles of a monatomic ideal gas. (P,= P2 = 450 Pa, V, = 2m', V,= 8m²) c. Draw the process which depicts an isothermal expansion from state 1 to the volume V, followed by an isochoric increase in temperature to state 2 and label this process (B). d. Find the change in internal energy of the gas for the two-step process (B) Figure 1 (N/m²) 500 ! 400+ 300+ 200+ 100 - + + + + 4 6. 8 10 V (m³) 2 Copyright © 2005 Pearson Prentice Hall, Inc.