Answered: A sample of Ar of mass 8.30 g occupies…

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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Question

A sample of Ar of mass 8.30 g occupies 1.75dm3 at 330 K.

(a) Calculate the work done when the gas expands isothermally against a constant external pressure of 1 bar until its
volume has increased by 0.35 dm3

(b) Calculate the work that would be done if the
same expansion occurred reversibly

Expert Solution

Step 1: Defining irreversible and reversible process

Answer:

In this problem, in first case we have to find out the work done in isothermal irreversible process and in second case we have to find out the work done in isothermal reversible process.

When a change in system is done slowly in various small steps then such process is called as reversible process an when a change in system is done suddenly then such process is called irreversible process.

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