8. Thermochemistry
First Law of Thermodynamics
18PRACTICE PROBLEM
A chamber with a piston was filled with gas. The chamber was heated using a hot plate which supplied 300 J of energy
![](https://lightcat-files.s3.amazonaws.com/problem_images/3517445e59da25b2-1660743670764.jpg)
A. If the piston was fixed, what are the signs of q and w?
B. If the piston was allowed to move, what are the signs of q and w?
A chamber with a piston was filled with gas. The chamber was heated using a hot plate which supplied 300 J of energy
A. If the piston was fixed, what are the signs of q and w?
B. If the piston was allowed to move, what are the signs of q and w?