Gas Molecule Collisions and Mean Free Path
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Questions and Answers

What is the SI unit of the quantity Z'?

  • m-1
  • s-1 (correct)
  • m3/s
  • m-3 s-1
  • What is the relationship between Z' and the number of molecules N according to Equation 36?

  • Z' = 1 (35)
  • Z' = 2 N / 16 K B T (correct)
  • Z' = 2 N
  • Z' = 2 N rel m
  • What is the SI unit of the quantity Z"?

  • m-3 s-1
  • m3/s
  • s-1
  • m-1 s-1 (correct)
  • What is the relationship between Z" and Z' according to Equation 37?

    <p>Z&quot; = 12 Z' N</p> Signup and view all the answers

    What is the SI unit of the total rate of collision per unit volume?

    <p>s-1</p> Signup and view all the answers

    For oxygen gas at 20 ºC and a molar volume of 24.45 L at approximately 1 atm, if the radius of the gas is 2 nm, what is the mean free path?

    <p>100 nm</p> Signup and view all the answers

    At 30 ºC, what is the mean relative speed between nitrogen and oxygen molecules?

    <p>300 m/s</p> Signup and view all the answers

    If the root mean speed of Heat SATP is 2 m/s and its free mean path is 2.5 cm, what is the collision number?

    <p>100</p> Signup and view all the answers

    What is the density of the dust particles in the air sample at 20 ºC?

    <p>2500 Kg/m3</p> Signup and view all the answers

    What is the radius of the dust particles in the air sample at 20 ºC?

    <p>5 nm</p> Signup and view all the answers

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