Show that one mole of any gas occupies a volume of 22.4 L at 1 atm and 0°C i. e., at standard temperature and pressure (STP). [Given: R = 0.0821 L. atm/mol. K] on T 1 . 1 (b) A tank of volume 0.3 m contains 2 moles of oxygen gas at 20°С. Find the average K. E. per atom and also find the rms speed of the atoms. [Given: k = 1.38 x 10-23 J/K; R= 8.317 J/mol, M= 16 g/mol]
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