(a) Explanation The formula to calculate the change in internal energy is, Δ U = Q − W Here, Q is the amount of heat. W is the work done. For the expansion of the monatomic gas at constant pressure, the change in the volume is positive and the work is done on the gas (b) To determine The heat is added or taken from the gas when a monatomic gas expands at constant pressure of 130 kPa .

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First law of Thermodynamics

The word thermodynamics consists of two words: thermo- and dynamics. Dynamics means the study of motion. The field of thermodynamics is all about the study of the movement of heat. In a more meaningful way, it is stated as the study of the transfer of en…

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Chapter 18, Problem 23PCE

(a)

To determine

The heat is added or taken from the system when a monatomic gas expands at constant pressure.

(b)

To determine

The heat is added or taken from the gas when a monatomic gas expands at constant pressure of 130 kPa .

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Chapter 18, Problem 22PCE

Chapter 18, Problem 24PCE

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The heat is added or taken from the system when a monatomic gas expands at constant pressure.

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The heat is added or taken from the system when a monatomic gas expands at constant pressure.

The heat is added or taken from the gas when a monatomic gas expands at constant pressure of 130 kPa .

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