A nebula's a region of the galaxy where new stars are forming contains a very tenuous gas with 128 #a t o m s##/cm^3#. This gas is heated to #7459 K# by ultraviolet radiation from nearby stars. What is the gas pressure?
Use the Ieal Gas Law to get this answer.
For this purpose we render the Ideal Gas Law on an atomic basis instead of the usual molar basis:
= (Boltzmann's constant)
Boltzmann's constant =
No. of atoms =
Absolute temperature =