First slide
First law of thermo dynamics

A system loses 600 J of heat to the surroundings and does a work of 900 J. Change in internal energy during the process is


Heat liberated by the system= -ve;

Workdone by the system      = -ve;

Change in internal energyE = - 600 J - 900 J = -1500 J

Get Instant Solutions
When in doubt download our app. Now available Google Play Store- Doubts App
Download Now
Doubts App