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Physics 20 Online
OpenStudy (anonymous):

As the temperature of a gas increases, the pressure decreases. true or false

OpenStudy (irishboy123):

Depends. Both temp and press are functions of the average velocity of the gas particles: adding heat energy would increase the average kinetic energy of the particles (--> temp increase), and also both their average momentum and the number of collisions between particles and container (--> press increase). pV = nRT sums all this up nicely. So, if the vol is kept constant, both temp and press increase proportionately.

OpenStudy (anonymous):

increases...cause when temp increases the separation of gas molecules increases as a result if they have no more place to occupy then they will exert a increased pressure on the walls ...

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