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2. (a) A sample of 1 mole ammonia at 14 atm and 25 °C in a cylinder fitted with a moveable piston expands against a constant external pressure of 1.00 atm. At equilibrium, the pressure and volume of the gas are 1.00 atm and 23.5 L respectively. The specific heat of ammonia is 0.0258 Jg1 K-1. (i) Write the expression for finding q and w for the above processes, in the question what do you know and what do you need to find? (ii) Calculate the q, w and AU for the process.

2. (a) A sample of 1 mole ammonia at 14 atm and 25 °C in a cylinder fitted with a moveable piston expands against a constant external pressure of 1.00 atm. At equilibrium, the pressure and volume of the gas are 1.00 atm and 23.5 L respectively. The specific heat of ammonia is 0.0258 Jg1 K-1. (i) Write the expression for finding q and w for the above processes, in the question what do you know and what do you need to find? (ii) Calculate the q, w and AU for the process.

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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2. (a) A sample of 1 mole ammonia at 14 atm and 25 °C in a cylinder fitted with a moveable piston expands against a constant external pressure of 1.00 atm. At equilibrium, the pressure and volume of the gas are 1.00 atm and 23.5 L respectively. The specific heat of ammonia is 0.0258 Jg1 K-1. (i) Write the expression for finding q and w for the above processes, in the question what do you know and what do you need to find? (ii) Calculate the q, w and AU for the process.
Transcribed Image Text:2. (a) A sample of 1 mole ammonia at 14 atm and 25 °C in a cylinder fitted with a moveable piston expands against a constant external pressure of 1.00 atm. At equilibrium, the pressure and volume of the gas are 1.00 atm and 23.5 L respectively. The specific heat of ammonia is 0.0258 Jg1 K-1. (i) Write the expression for finding q and w for the above processes, in the question what do you know and what do you need to find? (ii) Calculate the q, w and AU for the process.
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