The characteristic rotational energy, h2/82I, for O2 is 2.9 ...

[mckennatimberlake]

The characteristic rotational energy, h2/82I, for O2 is 2.9  10-23 J. Calculate the O2 bond length.
 
  A)
 
  3.6  10-10 m
  B)
 
  0.60  10-11 m
  C)
 
  1.2  10-10 m
  D)
 
  0.30  10-11 m
  E)
 
  2.4  10-10 m

Question 2

Describe the two categories of pumps discussed in the text.
 
  What will be an ideal response?

[Pswine]

Answer to Question 1

C

Answer to Question 2

A vacuum pump is designed to reduce the pressure (usually of air) in a given vessel. A force pump, on the other hand, is a pump that is intended to increase the pressure - for example, to lift a liquid or push a fluid through a pipe.

[mckennatimberlake]

TY

[Pswine]

You're welcome