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Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Question

Transcribed Image Text:49.5 kJ
-99 kJ
198 kJ
-198 kJ
Question 9
A certain gas expands in volume from 2.0 L to 24.5 L at constant temperature. Calculate the work done by the gas if it expands against a constant pressure of 5 atm.
W
F2
113 J
1.24 x 10^4 J
-112.5 J
1.14 x 104 J
-1.14 x 104 J
Question 10
The specific heat of aluminum is 0.214 cal/g °C. Determine the energy, in calories, necessary to raise the temperature of a 55.5 g piece of aluminum from 23.0 to 48.6°C
#
3
20
F3
F
4
999
F4
R
%
5
F5
T
6
Y
&
7
F7
U
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