An old sample of cinnamaldehyde analyzed by TLC and visualized with a UV lamp. Explain why the contaminant, cinnamic acid, appears below the cinnamaldehyde spot.
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An old sample of cinnamaldehyde analyzed by TLC and visualized with a UV lamp. Explain why the contaminant, cinnamic acid, appears below the cinnamaldehyde spot.
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- According to the Safety Data Sheet (SDS) of Benzoic acid, what would be appropriate to do if someone swallowed Benzoic acid? Immediately make victim drink water (two glasses at most). Before taking any action, wait for the instructor of record to come. Immediatly call campus police and let them handle it. Call 911.1. Explain the cleaning property of soaps and synthetic detergents based on their emulsifying action. 2. Between soap and synthetic detergent, which is a better cleaning agent in hard water? Explain in 1 – 3 sentences.a.) For which of the following compounds is it hazardous to breathe dust/vapor /fumes: acetylsalicylic acid, salicylic acid, acetic anhydride, acetic acid, phosphoric acid? b.) Based on the boiling point or melting point of the compounds, which are you most likely to inhale accidentally? c.) Based on GHS hazard information, which would be most dangerous to inhale? d.) Of all these chemicals, which is most important to handle in a fume hood?
- Why is isopropyl alcohol (main ingredient in rubbing alcohol) used as a disinfectant?1. Which is a better disinfectant, 70% or 95% ethyl alcohol? Why?Write the chemical equation for the saponification reaction. Write the chemical equation for the synthesis of detergent. Explain the cleaning property of soaps and synthetic detergents based on their emulsifying action. Between soap and synthetic detergent, which is a better cleaning agent in hard water? Explain in 1 – 3 sentences.
- What is a possible testable question (in correct format) that Marisa might ask for this Sanrio?1. Explain, in 1 – 3 sentences, the difference in the reaction of aniline with H2SO4 and HCl. 2. Write the chemical equation for the saponification reaction. 3. Write the chemical equation for the synthesis of detergent. 4. Explain the cleaning property of soaps and synthetic detergents based on their emulsifying action. 5. Between soap and synthetic detergent, which is a better cleaning agent in hard water? Explain in 1 – 3 sentences.a)Why was ethanol added to the reaction mixture? b)Explain how soap acts during cleaning.
- How does alcohol, water and vinegar remove juice stainExplain the importance of solubility in drug product formulation?Purell advanced hand sanitizer gel medicinal Taylor Swift Wonderstruck perfume spray Listerine Fresh Burst antiseptic mouthwash Chloraseptic sore throat spray medicinal • Aveeno daily moisturizing lotion NyQuil cold & flu Rain-X windshield washer fluid, all season 1. Which products contain an ingredient listed simply as “alcohol”? 2. Which products contain an ingredient listed as “alcohol denat”? 3. Why do you think the products in question #1 did not also contain “alcohol denat”?
