Sentences with phrase «diatomic gas»

Assuming air (a diatomic gas with 5 degrees of partitioning), for a given delta - h, the thermal energy will be reduced by 1 / 5th of the energy required to lift molecules by that delta - h.

If diatomic gas has 500 m / s velocity it will be warm, and all the gas molecules will vibrate and spin around.

In practice, mono - atomic and symmetrical diatomic gas molecules have negligible emission / absorption at most wavelengths including thermal infrared.

With ideal diatomic gases they are, and worse, the dependency itself depends on the temperature of the gas and the energy required to excite rotations vs vibrations.

Theory and experiment both agree that N2 (or other monatomic or diatomic gases) is not a significant GHG.

However, it is an observed fact (supported by theory) that monatomic gases (like argon) or symmetric diatomic gases (like N2 and O2) do not have vibration modes or rotation modes that would allow them to absorb (or emit) IR photons.

Not exact matches

Under normal conditions hydrogen is a gas consisting of diatomic molecules.

Diatomic molecules like O2 and N2 are transparent to that radiation and will never fit the definition of a greenhouse gas, no matter that they absorb heat via other means.

For instance, the notion that diatomic molecules like H2 or N2 do not behave like greenhouse gases is not at all the case in general, despite being true enough for Earth.

N2 and O2 are poor because they are only diatomic; and monatomic gases like He and Ar are even worse.

is the mean speed of the molecules, related to their temperature but not the same way for monatomic and diatomic ideal gases and hence expressed as a parameter by itself.

Now, there's around four times as much nitrogen in the atmosphere as oxygen and since nitrogen in its diatomic form is difficult to break to form compounds, then it could be said to approximate to an ideal gas (elastic collisions not inelastic), and, oxygen and nitrogen don't combine in the atmosphere but mix, and, oxygen is practically the same weight as nitrogen, and, oxygen has practically the same heat capacity, then, not a bad approximation to the ideal gas of Jelbring's thought experiment.

And «thermal radiation» is produced within an envelope that is the Planckian Black Body Spectral distribution; modified by some spectral emissivity, that may be very much less than 1.0 specially for gases (any gases, including monoatomic, homo - diatomic molecules, or even GHG molecules.

Most of the gas in our atmosphere is diatomic O - O or N - N.