1. The problem statement, all variables and given/known data A closed system consisting of 2 lb of a gas undergoes a process in which pV^n=constant. For: p1=20 lb/in^2 , V1=10 ft^3 and p2=100lb/in^2 V2=2.9 ft^3. Find n. 2. Relevant equations pV^n=constant 3. The attempt at a solution Im just having trouble realizing how to find n. This seems very basic and maybe im just rusty from having the summer off, this is a review question. (p1)(V1)^n = (p2)(V2)^n Now Im having trouble realizing how to re-arrange that to find n... Ive tried using the relation p1V1^n=5P1(.29V1)^n but everything keeps canceling out. Can someone push me in the right direction? Ive also tried solving for n in terms of C and plugging that back in and that just gives me a jumbled mess.