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A gas expands while its temperature is held constant throughout. That process is:
AIsothermal
BIsobaric
CIsochoric
DAdiabatic
Answer & Solution
Correct answer: A. Isothermal
1. The prefix names the quantity that stays fixed.
2. Here that quantity is the temperature.
3. The process is isothermal.
_Source: OpenStax University Physics Volume 2, Chapter 3, The First Law of Thermodynamics._
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