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AAMC MCAT Practice Exam 2 with complete solutions
C/P: What expression gives the amount of light energy (in J per photon) that is converted to other forms between the fluorescence excitation and emission events? "intensity of fluorescence emission at 440 nm excitation at 360 nm) was monitored for 20 minutes" A) (6.62 × 10-34) × (3.0 × 108) B) (6.62 × 10-34) × (3.0 × 108) × (360 × 10-9) C) (6.62 × 10-34) × (3.0 × 108) × [1 / (360 × 10-9) - 1 / (440 × 10-9)] D) (6.62 × 10-34) × (3.0 × 108) / (440 × 10-9) - ANSWER C) (6....
- Exam (elaborations)
- • 82 pages •
C/P: What expression gives the amount of light energy (in J per photon) that is converted to other forms between the fluorescence excitation and emission events? "intensity of fluorescence emission at 440 nm excitation at 360 nm) was monitored for 20 minutes" A) (6.62 × 10-34) × (3.0 × 108) B) (6.62 × 10-34) × (3.0 × 108) × (360 × 10-9) C) (6.62 × 10-34) × (3.0 × 108) × [1 / (360 × 10-9) - 1 / (440 × 10-9)] D) (6.62 × 10-34) × (3.0 × 108) / (440 × 10-9) - ANSWER C) (6....
MCAT Chemistry Practice Test 2022 (59 Questions Answers)
Many alkenes can be hydrated simply by treatment with a strong acid in the presence of water. The limitation of this method is that a carbocation is generated along the mechanistic pathway, opening the door to rearrangements, as shown in the sulfuric acid–catalyzed hydration of 3, 3-dimethylbut-1-ene here:
- Exam (elaborations)
- • 31 pages •
Many alkenes can be hydrated simply by treatment with a strong acid in the presence of water. The limitation of this method is that a carbocation is generated along the mechanistic pathway, opening the door to rearrangements, as shown in the sulfuric acid–catalyzed hydration of 3, 3-dimethylbut-1-ene here: