Specific Heat Capacity
To find the molar specific heat capacity of the gas involved, the following equations apply for any general gas that is calorically perfect. The property is either called the adiabatic index or the heat capacity ratio. Some published sources might use k instead of .
Molar isochoric specific heat:
- .
Molar isobaric specific heat:
- .
The values for are for diatomic gasses like air and its major components, and for monatomic gasses like the noble gasses. The formulas for specific heats would reduce in these special cases:
Monatomic:
- and
Diatomic:
- and
An isobaric process is shown on a P-V diagram as a straight horizontal line, connecting the initial and final thermostatic states. If the process moves towards the right, then it is an expansion. If the process moves towards the left, then it is a compression.
Read more about this topic: Isobaric Process
Famous quotes containing the words specific, heat and/or capacity:
“The more specific idea of evolution now reached is—a change from an indefinite, incoherent homogeneity to a definite, coherent heterogeneity, accompanying the dissipation of motion and integration of matter.”
—Herbert Spencer (1820–1903)
“The hotel was once where things coalesced, where you could meet both townspeople and travelers. Not so in a motel. No matter how you build it, the motel remains the haunt of the quick and dirty, where the only locals are Chamber of Commerce boys every fourth Thursday. Who ever heard the returning traveler exclaim over one of the great motels of the world he stayed in? Motels can be big, but never grand.”
—William Least Heat Moon [William Trogdon] (b. 1939)
“The frequent failure of men to cultivate their capacity for listening has a profound impact on their capacity for parenting, for it is mothers more than fathers who are most likely to still their own voices so they may hear and draw out the voices of their children.”
—Mary Field Belenky (20th century)