Three ideal gasses (A, B, and C) are composed of molecules of equal masses. The

Question

Three ideal gasses (A, B, and C) are composed of molecules of equal masses. The same number of moles of these three gasses are heated to different temperatures (TA, TB, and TC). The distrubution of molecular velocities in each case is shown above. Which of the following statements about these gasses are true? Select all that apply.

1) The average translational kinetic energy per molecule is the same for A, B, and C.

  
2) The Boltzmann constant for gas C is the highest.

  
3) TC > TB

  
4) TA < TB

  
5) vRMS is largest for gas A.

  
6) vRMS is largest for gas C.

  
7) The average translational kinetic energy per molecule is largest in gas B.

1) The average translational kinetic energy per molecule is the same for A, B, and C.

  
2) The Boltzmann constant for gas C is the highest.

  
3) TC > TB

  
4) TA < TB

  
5) vRMS is largest for gas A.

  
6) vRMS is largest for gas C.

  
7) The average translational kinetic energy per molecule is largest in gas B.

Explanation / Answer

3) TC > TB

  
4) TA < TB

  
6) vRMS is largest for gas C.

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