solution:
For a disengaged framework
![\[q=0\text{ }and\text{ }w=0\]](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-fa5f08e063cfbdd3ae9e9c4dd601d531_l3.png "Rendered by QuickLaTeX.com")
What’s more, as indicated by first law of thermodynamics:
![\[U=\text{ }q\text{ }+\text{ }w\text{ }\left( U=internal\text{ }energy \right)\]](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-9af33866a5b93b8aff9fd6bdfa38f8c9_l3.png "Rendered by QuickLaTeX.com")
Consequently, change in inward energy for a detached framework
![\[U\text{ }=\text{ }0\]](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-e877d1035c3edbb47c89fe48897ae3da_l3.png "Rendered by QuickLaTeX.com")
.
solution:
For a disengaged framework
What’s more, as indicated by first law of thermodynamics:
Consequently, change in inward energy for a detached framework
.