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Pv diagrams

  • #1
PV diagrams.
a DIAGONAL straight line going down (negative slope) on a PV digram with P on y axis and v on x-axis.

The temperature of the gas ______________.
Choices:
Decreases then increase
Increase then decrease


At first I chose remains constant... but it was wrong. I tried to plug it in to the Ideal gas Law formula, and i get T to decrease the entire way. but that isn't a choice.
 

Answers and Replies

  • #2
tiny-tim
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Welcome to PF!

Hi get_physical ! Welcome to PF! :smile:

Hint: what would be the shape of the pv curve if the temperature was constant?

draw several curves (on the same graph paper) for different constant temperatures …

how does the diagonal line cut those curves? :smile:
 
  • #3
thankyou tiny-tim!
 
  • #4
how do i mark this as solved?
 
  • #5
tiny-tim
Science Advisor
Homework Helper
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Last edited by a moderator:

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