First slide

Calculation of pressure

Question

Statement 1. The total translation K.E.of all the molecules of a given mass of an ideal gas is 1.5 times the product of its pressure and its Volume.
Statement 2. The Molecules of a gas collide with each other and the velocities of the molecules change due to the collision.

Moderate

A

Statement -1 is true , Statement-2 is true; statement-2 is a correct explanation for statement-1
B

Statement -1 is true, Statement -2 is true; statement-2 is not a correct explanation for statement-1
C

Statement-1 is true, statement is false
D

Statement-1 false, Statement is true

Solution

we find both of the following equations found to be ;
$\frac{1}{2} {mv}^{2} = \frac{3}{2} {NK}_{B} T and PV = {NK}_{B} T \Rightarrow \frac{1}{2} m v^{2} = \frac{3}{2} P V$

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