What determine if a light-producing reaction is fluorescence
List three possible fates of an electron that can occur after it has been excited to a singlet excited state. On the molecular level, what determines if a light-producing reaction is fluorescence or phosphorescence?
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An electron is trapped in a one-dimensional region of length 10^-10 m. How much energy must be supplied to excite the electron from the ground state to the first excited state?
Define and compare the terms ground state electron configuration versus the singlet excited states and triplet excited states.
A solid cylinder with a radius of 4.0 cm has the same mass as a solid sphere of radius R. If the cylinder and sphere have the same moment of inertia about their centers, what is the sphere's radius?
The numerator of the repeated-measures t formula measures how much difference there is between the sample mean and the hypothesized population mean. Explain your response.
Which set of characteristics is most likely to produce a significant difference for an independent-measures t test? Please explain your response.
Propose and draw a mechanism for the reaction of the dianion of luminol with molecular oxygen to give the "postulated" cyclic endoperoxide intermediate and then for the loss of nitrogen to give the 3-aminophthalate triplet excited state.
At a certain location, Earth has a magnetic field of 0.000060 T, pointing 75 degrees below the horizontal in a north-south plane. A 10.0 m long straight wire carries a 15 A current. If the current is directed horizontally toward the east, what are
Two equal masses are attached to separate identical springs next to one another. One mass is pulled so its spring stretches 20 cm and the other is pulled so its spring stretches only 10 cm.The masses are released simultaneously. Which mass reaches
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