Concept explainers
(a)
Interpretation:
The individual transitions that are allowed for
Concept introduction:
The change in energy
The value of
(b)
Interpretation:
The unique spectral lines having different energy which are allowed for
Concept introduction:
The change in energy
The value of
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Physical Chemistry
- The following are sets of rotational quantum numbers (J,MJ,K). Label each indicated transition as either allowed or forbidden. Hint: Remember the rules for allowed values of the various quatum numbers. a (0,0,0)(1,1,0)b (0,0,0)(1,0,0) c (3,2,1)(3,1,1)d (4,4,1)(2,4,1)arrow_forwardThe following are sets of rotational quantum numbers (J,MJ,K). Label each indicated transition as either allowed or forbidden. Hint: Remember the rules for allowed values of the various quantum numbers. a (5,4,0)(3,6,0)b (8,2,2)(9,2,2) c (7,4,2)(7,4,2)d (4,2,5)(3,2,5)arrow_forwardWhat is the difference between continuous and discrete spectra?arrow_forward
- What is a rotating frame of reference?arrow_forwardWhat is the physical explanation of the difference between a particle having the 3-D rotational wavefunction 3,2 and an identical particle having the wavefunction 3,2?arrow_forwardWhat issues experienced with fluorescence detectors are resolved using chemiluminescence detectors?arrow_forward
- In a 1.10 cm thick cuvette, a 0.5 M solution of a substance absorbs 55% of the incident radiation of wavelength 5985 Å (at which). Calculate the concentration of a solution that absorbs 75% under the same conditions. The solvent is transparent in both cases.arrow_forwardCalculate the possible ESR transitions between these states for S=1/2 and I=2arrow_forwardCalculate the speed that an iron atom undergoing the 4s S 4p transition at 385.9911 nm (3859.911 Å) would have if the resulting line appeared at the rest wavelength for the same transition in nickel.arrow_forward
- a) Calculate the half width in nanometers for Doppler broadening of the 4s S 4p transition for atomic nickel at 361.939 nm (3619.39 Å) at a temperature of 20,000 K in both wavelength and frequency units. b) Calculate the speed that an iron atom undergoing the 4s S 4p transition at 385.9911 nm (3859.911 Å) would have if the resulting line appeared at the rest wavelength for the same transition in nickelarrow_forwardA tunable dye laser emits pulses of light at 642.0 nm, each having a total energy of 9E-6 J. Calculate the number of photons in each pulse.arrow_forward
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