Practice portal › Kinetic Theory of Gases › Molecular Model of Pressure
Asked in JEE Main 29th Jan 2nd Shift 2024 · Number of molecules and number density
For an ideal gas written per molecule, P=nk_BT with n the number density.
T=P/(nk_B).
Taking the stated pressure as 1.38×10⁵ Pa and n=2.0×10²⁵ m⁻³:
nk_B=2.0×10²⁵×1.38×10⁻²³=276.
T=(1.38×10⁵)/(276)=500 K.
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