P (Pa) 6 × 106 4 × 106 2 × 106 V (m³) (a) Determine the work done on a gas that expands from i to f as indicated in the figure. (b) How much work is performed on the gas if it is compressed from f to i along the same path?

P (Pa) 6 × 106 4 × 106 2 × 106 V (m³) (a) Determine the work done on a gas that expands from i to f as indicated in the figure. (b) How much work is performed on the gas if it is compressed from f to i along the same path?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter3: The First Law Of Thermodynamics

Section: Chapter Questions

Problem 9CQ: When a gas expands isothermally, it does work. What is the source of energy needed to do this work?

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Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.

Question

Consider the following figure. (The x axis is marked in increments
of 0.5 m3
.)

Р (Рa)
6 × 106
4 × 106
2 × 106
V (m³)
(a) Determine the work done on a gas that expands from i to f as indicated in the
figure.
(b) How much work is performed on the gas if it is compressed from f to i along
the same path?

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