1. The problem statement, all variables and given/known data http://www.docstoc.com/docs/14364187/Heat_-Temperature_-Thermodynamics-and-Heat-Engines-Problem-Set This question I am trying to figure out is Number eight with the four cylinders. 2. Relevant equations P=F/A PV=nRT 3. The attempt at a solution I'm stuck at trying to find the pressure. I use the P=F/A formula but the pressure doesn't seem to work.