University:
Mississippi College
Course:
CHE 141 | General Chemistry I
Academic year:

2022
Views:

92

Pages:

2
Author:

Abby D.

Ch. 6 Gas Laws PtGases: the simplest + most well-understood State of matter.obey verysimple LAWSKeyPt: There are 4 measur able properties of any gas sample.1) Pressure (P)alwaysCO2in KelvinCoidentity of the2) Temperature(T)CO2gas3) Volume (v) + V of the container4) Number of mols (n)what Is Pressure?It is the force excerted per unit by gas particles as they collidew/ the surface of the container.51- Newtonin constantP= F (nowspreadout)mostlyas fireemptymotionA 1-m2spaceparticlesagasUnits of Pressure:are verywagsfar apartcreates pressure W/Pascai(Pa) IPa= INFromeachcollision on side ofthe container.other.atmosphere Psi (atm) m2torr (mmHg)(atminterchangeable760 torrThe atomspheric pressure sealevel is 1.00 atm3 Simple Gas LawsThey describe the relationship between 2 gas properties, whileholding the Other 2 constant.Boyles Law:describes the relationship between Pressure and Volume(holding temp. & mols constant!)purportion ality:IAs Pt, VVaP>inversely proportionalAS Pt; V1uptopis purportional towhy ?P=FsmallerareaA3Jh100,0000VIPex 120 3 Ch.6PTI cant.VOLEquation: P,V, = P2U2P(porpotionality)V = (constant) I before('s) after(25)P P,V, = P2V2P. V= constant pPPV v=constantQuestion?A sample of Ne gas has a initial volume of 13.9L@ 1.22 atm. If you compress the sample to 10.3L, what will it'sPbe?2(P2P,V,=P2V2 P,V1 = P2 = (1.22atm).(13.91)V2V2V210.3kP2 = 1.65 atm (pressure)Graph of Data:yPTIVXP