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Ideal Gas Problem

  • #1

Homework Statement


An ideal gas is enclosed in a gas syringe. The pressure on the gas is now increased but the temperature of the gas is kept constant. The average kinetic energy of the gas molecules will...... A) increase B) remain constant C) decrease D) double


Homework Equations





The Attempt at a Solution


I think that it will increase because the pressure increases and so the molecules will move around more. Am I correct ?
 

Answers and Replies

  • #2
3,812
92
How does the average kinetic energy depends on temperature?
Write down the formula for average kinetic energy.
 
  • #3
ek = 1/2 mv^2 which is directly proportional to temperature,
Am I correct?
 
  • #4
3,812
92
ek = 1/2 mv^2 which is directly proportional to temperature,
Am I correct?
Yep, so what's the answer to your original question then?
 
  • #5
So the answer is, B) remain constant.
Thanks for your help!
 

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