Kinetic Theory of Gase s .Gases are not Like simple bodies nvowed in mechanics The motion can neitwr beobserved hot con be predicted with Specibic To Predict behamior of gases, e hawe to derin based an urupt, ons . result on ome ome are predicted win the help of toot real observed values -tlhen issaid to be devant otkM wise not one . kinetic theory of gases AAimpyoneofpethb impt certiin Kincla heores used to explain behanious ases
Askumptions fK.T.G There a very lage mbe fs molecules inside he container 1> 2> The Volume occupied by the molecules themaelres is aligble compoedto volume of the container 3 Every molecule has egual Proba6iu'ty to move in al poti ble direchom. molecule, 1
> here 'as no torces between any mokada exceet at the me of collision. 5> MolecueeNewlton's Lows of motion. 6> The collisions beturcen tro molecules or b be-tween Mofe astiC
Ideal as . A asic ellos aiumphomaof Kinetic ueor to a qeod extent J caled an ideal ates as gas at high temp and Leo preune behowres clese to an ideal gas veny .An ideal sellows Where, P= Pres T-temp (K) R = 8.31 Jm4"k-' (a universal
Lnterprehing Ideal Ses qation For a gs nside a closed container CNo mass exch without de ), n=constant chomge 'For a closed chamber ith ixed votumt (n,R&V become Conston Hor a as umder constomt Presure ixed Piston -- / (Constant volume) moving piston (constent Press ure For Dn isothermal process CT- constant), PV=constant or Poe
ExampleA cubical room of Gide a contains ai at room empertue and re t 1 atm. ain i pumped idto a omf side /2 at tuu Same lemperoture then ind premuue of air nside the Amaler room
Sdlution As lermp i ame Ame n both c both cases, PV (nRT) = const . a becomes h A 0 2- v decreases 8 tines Presa re ,
I have done B.Tech, IIT Delhi (in Mechanical engineering). I have been teaching physics to JEE and NEET aspirants for three years.