A sample of an ideal gas at P, is initially confined to one chamber of the apparatus represented above, and the other chamber is initially evacuated. The valve connecting the chambers is opened, and the gas expands at constant temperature to fill both chambers. Which of the following best describes AS for the process? A AS 0 because the gas particles become dispersed in a larger volume.

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W ##
00
Pf = Pi/2
A sample of an ideal gas at P; is initially confined to one chamber of the apparatus represented above, and the other chamber is initially evacuated. The valve connecting the chambers is opened, and the gas
expands at constant temperature to fill both chambers. Which of the following best describes AS for the process?
A
AS <O because the pressure of the gas decreases by half.
B
AS = 0 because there is no change in the total number of particles of the gas.
AS = 0 because the average kinetic energy of the gas particles is unchanged.
D
AS > 0 because the gas particles become dispersed in a larger volume.
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Transcribed Image Text:W ## 00 Pf = Pi/2 A sample of an ideal gas at P; is initially confined to one chamber of the apparatus represented above, and the other chamber is initially evacuated. The valve connecting the chambers is opened, and the gas expands at constant temperature to fill both chambers. Which of the following best describes AS for the process? A AS <O because the pressure of the gas decreases by half. B AS = 0 because there is no change in the total number of particles of the gas. AS = 0 because the average kinetic energy of the gas particles is unchanged. D AS > 0 because the gas particles become dispersed in a larger volume. esc Q Search or enter website name @ 2$ % & 2 3 4 6 7 9 R
A apclassroom.collegeboard.org
Ebraam Awad
CollegeBoard
AP Classroom
Unit 9 Progress Check: MCQ
20
27
« < 20 of 30 > >
Submit
Pi
O atm
Pf = P¡/2
A sample of an ideal gas at P, is initially confined to one chamber of the apparatus represented above, and the other chamber is initially evacuated. The valve connecting the chambers is opened, and the gas
expands at constant temperature to fill both chambers. Which of the following best describes AS for the process?
A
AS <0 because the pressure of the gas decreases by half.
AS
O because there is no change in the total number of particles of the gas
B
Transcribed Image Text:A apclassroom.collegeboard.org Ebraam Awad CollegeBoard AP Classroom Unit 9 Progress Check: MCQ 20 27 « < 20 of 30 > > Submit Pi O atm Pf = P¡/2 A sample of an ideal gas at P, is initially confined to one chamber of the apparatus represented above, and the other chamber is initially evacuated. The valve connecting the chambers is opened, and the gas expands at constant temperature to fill both chambers. Which of the following best describes AS for the process? A AS <0 because the pressure of the gas decreases by half. AS O because there is no change in the total number of particles of the gas B
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