Little help with thermodynamic question

  • #1
the question is in the attachment. All i really want to know is when you have to find the final pressure and temperature do you use the equation

p1 v1^k = p2 v2^k

where k is the the polytrophic index

thanks
 

Attachments

Answers and Replies

  • #2
berkeman
Mentor
58,367
8,441
Thread moved to Homework Help.

Welcome to the PF, tweety. One of the rules we have for homework and coursework is that you show some of your own work, before we can offer tutorial help.

So what is your approach to this problem?
 
  • #3
yea i just realised i dont no how to find the heat transferred as well but

i got the final pressure to be 15.8 bar and the final temp to be 328K and the work done to be 29KJ

ive done this by using the first equation above to find final P and PV=RT to find the final temp

is this right ??? i havent got any answers to them

thanks
 
Last edited:

Related Threads on Little help with thermodynamic question

  • Last Post
Replies
5
Views
4K
Replies
0
Views
878
Replies
1
Views
2K
Replies
1
Views
1K
Replies
4
Views
2K
Replies
4
Views
1K
Replies
13
Views
3K
  • Last Post
Replies
1
Views
1K
Replies
2
Views
576
Replies
6
Views
3K
Top