{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Slide20 - Work and the First Law Types of changes If pm I p...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Work and the First Law Types of changes: If pm: I p we have equilibrium. If we increase pex infinitesimally the gas contracts slightly and Vice versa. In either case the change is reversible. If pm. >> p then decreasing pm. infinitesimally will not cause the gas to stop contracting and Vise versa. Here infinitesimal changes in conditions do not cause opposite changes in the state of the system. The system is not in eqm with its surroundings and the change described is irreversible ...
View Full Document

{[ snackBarMessage ]}