[CHM 331] homework

Andrew J. Pounds pounds_aj at mercer.edu
Wed Aug 29 10:31:22 EDT 2012


When you set the derivative with respect to v equal to zero, and solve 
for v you should get a function in terms of k, T, and m.

Think way back to gen chem and the kinetic theory of gases -- the 
velocity distribution function is a function of T and m where k is the 
Boltzmann constant.

This is one of those places where you are welcome to use Mathematica (or 
your calculator) to take the derivatives and then just write the 
equations down on your paper.


On 08/28/2012 10:53 PM,  wrote:
> Dr. Pounds,
>
> I have some questions on the first problem (#85  in the Steiner book).
>
> I know I have to find where the first derivative is zero and the 
> second derivative is less than zero.
>
> Can I ignore all of the other variables besides v and simplify it to 
> f(x)=v^2*e^(-v^2)? That doesn't seem like it would give me an accurate 
> velocity, but I don't know another way to do it.
>
> Also, should we be able to do this derivative by hand and do you need 
> to see the steps in our work?

-- 
Andrew J. Pounds, Ph.D.  (pounds at theochem.mercer.edu)
Associate Professor of Chemistry and Computer Science
Mercer University,  Macon, GA 31207   (478) 301-5627

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