Create assignment, 57112, Homework 24, Sep 01 at 3:08 pm
1
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have
12
questions.
Multiplechoice
questions
may
continue
on
the next column or page – ﬁnd all choices
before answering.
The due time is Central
time.
Covers 19.119.8
Isothermal Expansion
20:09, trigonometry, numeric,
>
1 min, nor
mal.
001
One mole of an ideal gas does 3000 J of work
on
the
surroundings
as
it
expands
isother
mally to a ﬁnal pressure of 1 atm and volume
of 25 L.
Determine
the
initial
volume.(
R
=
8
.
31451 J
/
K
·
mol.) Answer in units of
L.
002
Determine the temperature of the gas.
An
swer in units of
K.
Isothermal compression
20:10, calculus, numeric,
>
1 min, normal.
003
Given:
R
= 8
.
31451 J
/
K
·
mol
.
Two moles of helium gas initially at 300 K
and 0
.
4 atm are compressed isothermally to
1
.
2 atm.
Find the ﬁnal volume of the gas.
Assume
the helium to behave as an ideal gas. Answer
in units of
m
3
.
004
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 Spring '08
 Turner
 Thermodynamics, Energy, Work, J. Isothermal and Isobaric Work

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