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- A student was trying to determine the identity of an unknown compound. The melting point of the compound was 117-118oC. The student narrowed the possible compound down to the following: Compound Melting Point Range acetanilide 113-115oC fluorene 114-116oC mandelic acid 120-122oC A second student, doing the same experiment as above, found that their melting point was 100-108oC. What is wrong with the student’s melting point? Propose two reasons why the melting point could be incorrect. View keyboard shortcutsFor the structure shown at the right, what type of compound is it? A. an ylide B. a nitrile C. a cyanohydrin D. an imine E. None of the selections are correctPlease answer Ture or False with full explanation 7. Ethanol is a glutamate agonist. 8. Withdrawal from ethanol is safer than withdrawal from heroin. 9. Detoxifying from ethanol can cause seizures. 10. Unlike cocaine and heroin, THC is not consistently reinforcing for laboratory rodents. 11. Endocannabinoids are released primarily from terminal boutons under the influence of action potentials.
- A student was trying to determine the identity of an unknown compound. The melting point of the compound was 117-118oC. The student narrowed the possible compound down to the following: Compound Melting Point Range acetanilide 113-115oC fluorene 114-116oC mandelic acid 120-122oC Explain in detail how the student can experimentally determine and confirm the identity of their unknown.Please answer all with short explanation otherwise don't attempt Chemistry TRUE or FALSE 1. The conjugate acid form of a drug has a higher dissolution than the salt form. 2. The stable form of a solid drug has a lower solubility and dissolution than the metastable form. 3. The larger the particle size, the smaller the surface area. 4. Generally, the lower the temperature, the higher the dissolution 5. Hydrates have better dissolution than anhydrous forms. 6. The lower the volume of the solvent, the better the dissolution. 7. The larger the surface area, the higher the dissolution.Please help with both parts of this problem. Briefly explain! thanks.
- a. Give at least three characteristics of dichloromethane that makes it a good extracting solvent for the alkaloid.b. Why is it necessary to remove a stopper from a separatory funnel when the liquid is being drained from it through a stopcock?c. What are emulsions? Why do they form during extractions? How is the formation of an emulsion minimized? How are emulsions removed?1. What is the color result for red and blue litmus paper when exposed to the fume of heated albumin powder?Color result of red litmus paper:Color result of blue litmus paper: 2) Salkowski test from a random experiment produced a white precipitate upon addition of the acid to the cholesterol. Is the result positive or negative? Why? 3) Of the following, which left a translucent spot? Why did it left a translucent spot and why did it not leave a translucent spot? -cottonseed oil-water-ether-alcohol 4) Give the color of the precipitate for the following reagents: - CuSO4- Picric acid- Lead acetate- PhosphotungsticCompare acetanilide, which was in the recrystallization lab and acetaminophen (2) shown below. Which compound do you predict would have a larger Rf value? Briefly explain in less than 10 words.
- What can you say about how Norbixin and Beta Carotene will behave in your experiment just by looking at the circled differences in their structures? ( the experiment was thin Layer Chromatography. finding compounds in spinach juice using their polarity and retention factor, Rf= distance traveled by the compound / distance traveled by the solvent). (Please do not copy and past some idea from other websites. I can do that myself) undefinedplease provide a clean solution so I can study. thanks.Select two substrates and one reagent from each of the given pools to create the amine target molecule.