Question

obtain an expression for pressure entered by a gas . on the basis of K.T. of gases

Answer 1

Consider a cubical vessel (of side l) with walls perfectly elastic as in the figure.  Let the vessel have one gram molecule of a gas with its molecules in random motion.

Consider a cubical vessel (of side l) with walls perfectly elastic as in the figure.  Let the vessel have one gram molecule of a gas with its molecules in random motion.Consider a molecule (mass m) moving with a velocity c, that can be resolved into three components u,v, and w in the direction of the edges o .

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