Question

A cylinder with 25.0 L chlorine gas initially had a pressure of 625 mmHg at 125 degree celsius. Changes in temperature caused volume of the gas to decrease 15,000 mL with new pressure of 1.5 atm. What was the change in temperature in degree celsius, that caused this change?

Answer 1

ch gas pressure = P, Volume = V, Temperature = 7 Initially Finally V = 25L V = 15,000ml = 15L P, = 6a5mm Hg T = 125°C =(125+273) K la = 1.satm Ta - ? we know T = 398k that latm = 760mmHg (1. 5 atu) (760mmings latry The gas = 1140 mmHg combined law Lug VZ. Til substitute the values - PV, T = (114 ommhg) (151) ( 398K) (625 mmHg)(254 To = 435.57K In Oc => 435.57K-273 = 162.57% Final temperature = 162.57°C

Change in temperature (Toz – T) = AT AT = 162-57°C - 195°C AT = 37.57% AT=37. 60