Question
Imidogen’s first excited state has a long lifetime because relaxation to its ground state has a type of this property. For 10 points each:
[10m] Name this property of reactions that are slower because reactants and products exist in different namesake states. By the Woodward-Hoffman rules, photochemical reactions of 4n (“four n”) pi electrons have a form of this property if they occur with a conrotatory mechanism.
ANSWER: spin-forbidden [or symmetry-forbidden]
[10e] Compared to spin-allowed reactions, spin-forbidden reactions possess a higher value for this quantity, the energy necessary for a reaction to occur.
ANSWER: activation energy
[10h] If the energy of two spin states are nearly identical, then the system needs to hop from one surface with this property to another for the reaction to proceed. The probability of hopping between two surfaces with this property can be calculated from Landau-Zener theory.
ANSWER: diabatic [or non-adiabatic; or not adiabatic]
<Omer, Chemistry>
Summary
| 2024 ESPN @ Brown | 04/06/2024 | Y | 3 | 16.67 | 67% | 67% | 33% |
| 2024 ESPN @ Cambridge | 04/06/2024 | Y | 2 | 15.00 | 100% | 50% | 0% |
| 2024 ESPN @ Chicago | 03/23/2024 | Y | 5 | 14.00 | 100% | 20% | 20% |
| 2024 ESPN @ Columbia | 03/23/2024 | Y | 7 | 10.00 | 100% | 0% | 0% |
| 2024 ESPN @ Duke | 03/23/2024 | Y | 2 | 10.00 | 100% | 0% | 0% |
| 2024 ESPN @ Online | 06/01/2024 | Y | 4 | 12.50 | 100% | 25% | 0% |
| 2024 ESPN @ Stanford | 03/09/2024 | N | 2 | 15.00 | 100% | 50% | 0% |
Data
| Clark A | Clark B | 0 | 0 | 0 | 0 |
| Labour's Lost Lovers | Jeffrey and Dahmers | 10 | 10 | 0 | 20 |
| Triple Round Robin Lovers | Jason Lovers | 10 | 10 | 10 | 30 |
| A VK a Day Keeps the Doctor Away | Heat-Oppressed Brains | 10 | 10 | 0 | 20 |
| Eugene o'Negging | You, Me and the Big G | 0 | 10 | 0 | 10 |
| BHSU | Charlotte Mewing to get that chiseled farmer’s bride jawline | 0 | 10 | 10 | 20 |
| Michigan | purdoobie brothers | 0 | 10 | 0 | 10 |
| Noli Me Tangerine | Nobodaddy but you | 10 | 10 | 0 | 20 |
| Oh the Missouri | 2 days into college and I'm 3 lectures behind | 0 | 10 | 0 | 10 |
| Chicago B | malcolm in the middlemarch (Purdue 1) | 0 | 10 | 0 | 10 |
| protobowling for soup | JJaryland | 0 | 10 | 0 | 10 |
| JinAh and Jordan from Wikiquiz | bruh | 0 | 10 | 0 | 10 |
| NJ TRANSit (and bobby i guess) | boy's jitches (ft. DMA) | 0 | 10 | 0 | 10 |
| Parden the Interruption | chamPAIN and cornHELL in Columbia | 0 | 10 | 0 | 10 |
| Sandmännchen im Helikopter | Naocissus and Geoldmond by Hermandrew Hesse | 0 | 10 | 0 | 10 |
| mnemonists | 1.g4 Test Mixture | 0 | 10 | 0 | 10 |
| UNC A | Duke | 0 | 10 | 0 | 10 |
| UNC Hunny | UNC B | 0 | 10 | 0 | 10 |
| Riley et al. | Houston Junior College | 0 | 10 | 0 | 10 |
| World's Fair Wiggle Walk | The Present King of James is Bald | 10 | 10 | 0 | 20 |
| Tunks et al. | Cleo: 5/7 movie | 0 | 10 | 0 | 10 |
| Free-ish Agents | Williams et al. | 0 | 10 | 0 | 10 |
| Let's Fighting Love | The Aum-Wein Drinchard by Amogh Tutuola | 0 | 10 | 0 | 10 |