1. Not finding help here? Sign up for a free 30min tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Ideal gas equation and heat problem

  1. May 20, 2006 #1
    Sir,
    An ideal gas is taken from state 1 to state 2. How does the volume change? The P-T diagram is as shown.
    I solved it in the following way:
    From the diagram it is clear that P/T is a constant. From ideal gas equation,
    PV = nRT
    V = (nR)/(P/T)
    = constant
    But the answer given in my book is that volume increases. I think the book answer is wrong. What do you say Sir?
     

    Attached Files:

  2. jcsd
  3. May 20, 2006 #2

    Andrew Mason

    User Avatar
    Science Advisor
    Homework Helper

    If the graph of P vs. T is a straight line, Volume must be constant. Is the P-T graph a straight line?

    AM
     
  4. May 20, 2006 #3
    Yes Sir. It is a straight line.
     
  5. May 21, 2006 #4
    That would be definetely constant. Because on V=(nR)(P/T), the only value we need to consider here is P and T because it will be assume that they have the same number of n and R is constant also.
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?



Similar Discussions: Ideal gas equation and heat problem
  1. Heating an ideal gas (Replies: 2)

Loading...