Recent content by jsundberg

Hi! I have a few questions I need quick answers to, have tried both my textbooks and Google but the answers are not very easy to find without reading a whole lot of text. Many thanks! 1. The chemical bond between borane and hydrogen in boranes, BxHy is characterised by a unusual property...

I need some help, in explaining how to know what kind of d-metal complex a molecule is. For example, I have: 1. [Cr(H2O)6]2+ 2. [Cr(CN)6]4- I know that #1 is d4, and #2 is d3, but that's just because it says so in my paper. How do I "calculate" it if that information is not given? Many...

That's a bit embarassing. Don't know what I thought of, of course I know what RT is. Thanks for all the help, again. You guys saved my day once again. :D Gokul: Really good explanation! Thanks.

I have come so far to calculate the energy eigenvalues for the electron, proton and argon atom: En = n^2h^2/8mL^2 E1 = h^2/8mL^2 En = E1n^2 For the electron I got: E1 = 3629kJ/mol Proton: E1 = 2kJ/mol Argon: E1 = 0.06kJ/mol Now I'm going to compare the distance in energy between...

:D No, I'm a chemistry undergrad, going for a major in organic chemistry. I need this course in physical chemistry though to be able to take my master. The thermodynamic part was fun, and not quite this challening. I'll just have to try to make it work, it's over in a few more weeks. :)

Thank you! You saved my day. :D Physics is not my thing really.

Thanks again! Yes, but then I only get the energy eigenvalues for 2 quantum numbers. Shouldn't I find a general formula for n (unspecified) levels?

Thanks for your time & help. Still stuck, I think I'm stuck on more basic principles actually. I think I've got the solution for the eigen values: En = n^2h^2/8mL^2 But how should I formulate this? Especially in kJ/mol. I know h, m, and L (and those are constant). should I just write En =...

More quantum mechanics nightmare :( A new set of problems to solve, that's mostly problems. Makes me cry. :D All I want is for christmas to come, but this has to be done. A: Calculate the energy eigenvalues for a electron in a one-dimensional box with the length 0.1nm. Express the result...

Thanks! :) I think we will get a small list of useful integrations for the final test, since the mathematics is a bit beyond scope of this course. Anyway, I need some more help with the math when I should calculate the uncertainty product. I have understood that this is done by...

Yes, that was quite messed up. :/ Got more help from my intelligent friend who helped me out to understand and guided me trough the problem. So the final word is that the nomralization constant is 2^(1/2) which give s the normalized function as 2^(1/2)sin(pi*x) Does this sound more...

Thanks! I've thinkered a little about number 2, and my conclusion follows - The integral is: F(x) = x/2 - (sin(2*pi*x)/4*pi) = 1/N^2 And the normalization constant becomes: (1/(x/2 - (sin(2*pi*x)/4*pi))^1/2) In other words, the normalized wave function should be: (1/(x/2 -...

Hi! I'm currently enrolled in a course about physical chemistry. Being a chemist in ground, I do not have much previous mathemathical education and this have now become a problem. People have told me that math isn't really that necessary for this course, but I can see now that we have come to...