Recent content by cdub27

Thank you AM, Well from what I gather, the air does do work on the atmosphere by pushing it away against the atmpspheric pressure to make room for the expanded air. Which is caused by PV=nRT, which I believe means that the volume and nR remain constant; while P and T change. This relation...

I understand that adiabatic cooling is the reason as to why, a valve releasing compressed air from a tire, would become cold. But I'm having a hard time grasping why this actually happens. I've been searching online, and I can't seem to find the type of simplified answer I'm looking for...