28) When a gas expands adiabatically, A) the temperature of the gas remains constant. B) work is done on the gas. C) the internal (thermal) energy of the gas increases. D) it does no work. E) the internal (thermal) energy of the gas decreases.

28) When a gas expands adiabatically, A) the temperature of the gas remains constant. B) work is done on the gas. C) the internal (thermal) energy of the gas increases. D) it does no work. E) the internal (thermal) energy of the gas decreases.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter3: The First Law Of Thermodynamics

Section: Chapter Questions

Problem 76P: (a) An ideal gas expands adiabatically from a volume of 2.0103 m3 to 2.5103 m3. If the initial...

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Concept explainers

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 energy. Energy transfer is something that we encounter in day-to-day life. Automobiles, chemical reactions, refrigerators, and power generators work on the basis of thermodynamic principles.

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28) When a gas expands adiabatically,
A) the temperature of the gas remains constant.
B) work is done on the gas.
C) the internal (thermal) energy of the gas increases.
D) it does no work.
E) the internal (thermal) energy of the gas decreases.

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