reases A) the average kinetic energy of the gas molecules dec B) the average kin

Question

reases A) the average kinetic energy of the gas molecules dec B) the average kinetic energy of the gas molecules is unchan (N) Con ge kinetic earfheory predicts that pressure rises as the temperature of a gas increases C) the gas molecules collide less frequently with the wall D) the gas molecules collide less energetically with the wall E) both the gas molecules collide more frequently with the wall and tne energetically with the wall molecules collide more 2.50 react Answer( behavior? 6) Which gas under the specified conditions would come closest to exhibiting ideal gas A) He at low pressure and high temperature B) NHs at low pressure and high temperature D) NHs at low pressure and low temperature C) He at high pressure and low temperature E) NHs at high pressure and low temperature Answer ( 7) Arrange the following gases in order of increasing average molecular speed at 25 He, O2, CO2, N2 B) He

Explanation / Answer

5)

According to kinetic molecular theory, when increasing temperature of a gas, the average speed, and thus the average kinetic energy, of the particles increases. Since this greater kinetic energy results in more frequent collisions and more force per collision. So, the pressure of the gas increases if its volume is held constant.

So, the answer is E.

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