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Department
Chemistry
Course
CHE 2A
Professor
A N D R E A S T O U P A D A K I S
Semester
Winter

Description
Notes Chem Discussion February 5, 2014 Gases: Their behavior are defined by: These three define the fourth through the equation Pressure Volume Temperature (K; average motion of particles of matter=higher kinetic energy) Amount (Moles) -compressible -homogeneous Concept of Pressure P= F/A Force/Area mxa/A In SI units F in Newtons (n) =1N=1kg x (1m/s^2) P= 1N/1m^2 = 1 Pascal = 1 kg m^-1 s^-2 Ex Solid Pressure A quarter Area=pie(r^2) (5.3) m=5.6g Liquid Pressure P=F/A =W/A=m(g)/A=g(Vxd)/A=g x h x A x d/A P=g x h x d The higher less pressure;lower = more pressure Gas Pressure F=f(n/vxT) pressure release collisions of particles per unit time Higher T=higher speed-->higher force-->more particle collisions per unit time (frequency) T affects frequency of collision and concentration Identity is insignificant in determining the M.F. Atmospheric Pressure SI system= 1Pa=kg/(m)(s^-2) Because 1 pa is very small Standard p
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