Quantcast

Got Homework?

Connect with other students for help. It's a free community.

  • across
    MIT Grad Student
    Online now
  • laura*
    Helped 1,000 students
    Online now
  • Hero
    College Math Guru
    Online now

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

woleraymond

Calculate how much heat is needed to be supplied to a gas at a pressure of 1.25 x10^5 Pa, such that the pressure increases by 25 per cent at constant volume, and the internal energy by 120J.

  • one year ago
  • one year ago

  • This Question is Closed
  1. shivam_bhalla
    Best Response
    You've already chosen the best response.
    Medals 1

    Tell me what you have done till now. How have you approached the problem ??

    • one year ago
  2. woleraymond
    Best Response
    You've already chosen the best response.
    Medals 1

    @shivam_bhalla i really dont ve any idea yet

    • one year ago
  3. shivam_bhalla
    Best Response
    You've already chosen the best response.
    Medals 1

    Tip: Do you know first law of Thermodynamics.?? If yes apply that

    • one year ago
  4. woleraymond
    Best Response
    You've already chosen the best response.
    Medals 1

    U = Q - PV but the question is messing me up, coast isnt clear yet

    • one year ago
  5. shivam_bhalla
    Best Response
    You've already chosen the best response.
    Medals 1

    Ok. You are right. Now We have to find Q-->Heat supplied It is given that change in internal energy ( U ) = 120 J Now we have to find W? Now tell me the formula for W(work done)??

    • one year ago
  6. woleraymond
    Best Response
    You've already chosen the best response.
    Medals 1

    work done is Pressure times change in volume

    • one year ago
  7. shivam_bhalla
    Best Response
    You've already chosen the best response.
    Medals 1

    Right. Now what is change in volume here??

    • one year ago
  8. woleraymond
    Best Response
    You've already chosen the best response.
    Medals 1

    i tink its zero

    • one year ago
  9. shivam_bhalla
    Best Response
    You've already chosen the best response.
    Medals 1

    Yes you are right No tell me What is Q ?

    • one year ago
  10. shivam_bhalla
    Best Response
    You've already chosen the best response.
    Medals 1

    Now tell me What is Q ?

    • one year ago
  11. woleraymond
    Best Response
    You've already chosen the best response.
    Medals 1

    120J?

    • one year ago
  12. shivam_bhalla
    Best Response
    You've already chosen the best response.
    Medals 1

    Yes. You gave me the answer :)

    • one year ago
  13. woleraymond
    Best Response
    You've already chosen the best response.
    Medals 1

    thanks

    • one year ago
  14. shivam_bhalla
    Best Response
    You've already chosen the best response.
    Medals 1

    Welcome :)

    • one year ago
    • Attachments:

See more questions >>>

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.