Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
15 Cards in this Set
- Front
- Back
|
Wavelength of Cosmic Rays
|
>10^-12m
|
|
|
Wavelength of Gamma Rays
and effect on motion of molecules |
10^-12 to 10^-11 m
Nuclear Transitions |
|
|
Wavelength of X Rays
and their affect on molecules type of transitions |
10^-11 to 10^-8m
break chemical bonds and ionize molecules Electric Transitions |
|
|
Wavelength of UV Rays
and their affect on molecules |
10^-8m to 400nm
cause electrons to be promoted to higher energy levels Electronic Transitions |
|
|
Wavelength of Visible and their affect on molecules
|
400 to 800 nm
cause electrons to be promoted to higher energy levels |
|
|
Wavelength of Infrared and their affect on molecules
|
800nm to 10^-3m
vibrations |
|
|
Wavelength of Microwave and their affect on molecules
|
10^-3 to 10^-1
rotational motion |
|
|
Wavelength of Radio and their effect on molecules
|
<10^-1
Spin Oreintation |
|
|
Wavelength Frequency and Speed of Light
|
Wavelength x Frequency= Speed of Light
|
|
|
Energy Planck's Constant and Frequency
|
E=hv
|
|
|
Wavenumbers
|
1/Wavelength Usually in units of m^-1 or cm ^-1
|
|
|
Motion of Formaldehyde
and Cause |
1-3 Translation of entire molecule in the x,y,z direction
4-6 Rotation about the x,y,z axis 7. symmetric stretching 8. asymetric stretching 9. C-O streching 10. Symmetric Bending 11. Asymetic Bending 12. Out of Plane Bending (Increasing Wavenumber) Cause- IR and Microwaves |
|
|
Vibrational Transitions
|
Involve Rotational Transitions
|
|
|
Electronic Transitions
|
Involve Rotational Transitions and Vibrational Transition
|
|
|
Possibility A of Excited Molecule When Energy is absorbed
|
A-R1-IC-R2
|
