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An ideal gas is contained in a 1.5 L moveable piston at STP. Pext C) Without performing any calculations, how would the volume change if the gas is NOT ideal? Briefly explain (in about 1 sentence) how you know, based on the assumptions of the Kinetic Molecular Theory (KMT). D) If the ideal gas is expanded to 2.8 L by instantaneously decreasing pressure to 0.54 atm (at constant T), how much work (in Joules) was transferred by the gas? Assume that the external pressure remains constant while the volume changes. Recall that 1 Latm 101.3 J. E) Assume that AE = 0 for the change in state described in part D. In this case, how much heat was transferred by the expansion? Briefly explain in about 1 sentence why this result makes physical sense using what you know about sign conventions.

An ideal gas is contained in a 1.5 L moveable piston at STP. Pext C) Without performing any calculations, how would the volume change if the gas is NOT ideal? Briefly explain (in about 1 sentence) how you know, based on the assumptions of the Kinetic Molecular Theory (KMT). D) If the ideal gas is expanded to 2.8 L by instantaneously decreasing pressure to 0.54 atm (at constant T), how much work (in Joules) was transferred by the gas? Assume that the external pressure remains constant while the volume changes. Recall that 1 Latm 101.3 J. E) Assume that AE = 0 for the change in state described in part D. In this case, how much heat was transferred by the expansion? Briefly explain in about 1 sentence why this result makes physical sense using what you know about sign conventions.

Chemistry
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
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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### Description of the Setup An ideal gas is contained in a 1.5 L movable piston at Standard Temperature and Pressure (STP). #### Diagram The image shows a cylindrical piston with a movable top. The gas inside the piston is represented in purple, and an arrow labeled \( P_{\text{ext}} \) indicates the external pressure applied to the top of the piston. ### Questions **C)** Without performing any calculations, how would the volume change if the gas is NOT ideal? Briefly explain (in about 1 sentence) how you know, based on the assumptions of the Kinetic Molecular Theory (KMT). **D)** If the ideal gas is expanded to 2.8 L by instantaneously decreasing pressure to 0.54 atm (at constant T), how much work (in Joules) was transferred by the gas? Assume that the external pressure remains constant while the volume changes. Recall that 1 L·atm = 101.3 J. **E)** Assume that \(\Delta E = 0\) for the change in state described in part D. In this case, how much heat was transferred by the expansion? Briefly explain in about 1 sentence why this result makes physical sense using what you know about sign conventions.
Transcribed Image Text:### Description of the Setup An ideal gas is contained in a 1.5 L movable piston at Standard Temperature and Pressure (STP). #### Diagram The image shows a cylindrical piston with a movable top. The gas inside the piston is represented in purple, and an arrow labeled \( P_{\text{ext}} \) indicates the external pressure applied to the top of the piston. ### Questions **C)** Without performing any calculations, how would the volume change if the gas is NOT ideal? Briefly explain (in about 1 sentence) how you know, based on the assumptions of the Kinetic Molecular Theory (KMT). **D)** If the ideal gas is expanded to 2.8 L by instantaneously decreasing pressure to 0.54 atm (at constant T), how much work (in Joules) was transferred by the gas? Assume that the external pressure remains constant while the volume changes. Recall that 1 L·atm = 101.3 J. **E)** Assume that \(\Delta E = 0\) for the change in state described in part D. In this case, how much heat was transferred by the expansion? Briefly explain in about 1 sentence why this result makes physical sense using what you know about sign conventions.
Expert Solution
Step 1

For a gas to be ideal, we assume that there is no force of attraction among the gaseous molecules and the collision between the gas molecules is perfectly eleastic.

Apart from this, there are many other postulates of kinetic theory of gases that we assume to be true.

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