15. answer question in pic pls

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter5: Gases
Section: Chapter Questions
Problem 116E
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15. answer question in pic pls :)
If 2.00 mol of an ideal gas at 300 K and 3.00 atm expands from 6.00 L to 18.00 L and a final pressure of 1.20 atm in two steps: (1) the gas is cooled
at constant volume until its pressure has fallen to 1.20 atm, and (2) it is heated and allowed to expand against a constant pressure of 1.20 atm until its
volume reaches 18.00 L, which of the following is correct?
a.
w = 0 for step (1) and w= 1.46 kJ for step (2)
b. w = 0 for step (1) and w =-1.46 kJ for step (2)
С.
w = 0 for step (1) and w = -14.4 kJ for step (2)
d. w= 0 for step (1) and w = 14.4 kJ for step (2) -
O e. w=-1.46 kJ for step (1) and w= 0 for step (2)
200 O C
Transcribed Image Text:If 2.00 mol of an ideal gas at 300 K and 3.00 atm expands from 6.00 L to 18.00 L and a final pressure of 1.20 atm in two steps: (1) the gas is cooled at constant volume until its pressure has fallen to 1.20 atm, and (2) it is heated and allowed to expand against a constant pressure of 1.20 atm until its volume reaches 18.00 L, which of the following is correct? a. w = 0 for step (1) and w= 1.46 kJ for step (2) b. w = 0 for step (1) and w =-1.46 kJ for step (2) С. w = 0 for step (1) and w = -14.4 kJ for step (2) d. w= 0 for step (1) and w = 14.4 kJ for step (2) - O e. w=-1.46 kJ for step (1) and w= 0 for step (2) 200 O C
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