This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
Unformatted text preview: 0.08206Latm/molKPV = n(.08206)Tex: calc. p o 0.010mg N2 in a 5.0L tv tube at rm temp (23C).p = (.08206)(300)(3.6x10^7)/5 = 1.6x10^6atm (near vacuum)n = 0.010mg = 3.6x10^7mol Speeds of moleculesUrms = root mean square speeds = Urms = (u^2)^(1/2)proportional to Tinversely proportional to MMs = Urms = (3RT/MM)^(1/2)on dist. Graphmax = avg. speedspeed most molecules haveKE = .5mv^2kinetic energy of gases in same flask is equalUrms (O2) at SATP((3x8.314x302)/32)^(1/2) = 482m/sR = 8.314J/molK Demo (balloon in N2(l)):V/T = V/TV1 = 1L, T = 302T2 = 196 + 273V2 = . 25Lhow else could we reduce V to .25L?change pressure (PV = PV)...
View Full
Document
 Fall '08
 Stevens
 Chemistry

Click to edit the document details