E. Reactions of Aldehydes and Ketones with Sodium Hydroxide Objectives: To know the reactions of aldehydes and ketones with sodium hydroxide a) State the function of Sodium Hydroxide in the test. Sodium hydroxide (NaOH) is the oxidizing agent. b) What are the principles involved in the test? What is its purpose? Cannizzaro reaction is a reaction that uses a strong base‚ such as sodium hydroxide‚ which results to the formation of a carboxylic acid (or its corresponding salt) and an alcohol
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zirconium tetrachlorohydrex gly can cause irritation in sensitive underarm areas. These irritations can cause allergic reactions like contact dermatitis‚ acne‚ or itching. The contact solution I use each morning includes Sodium Borate (Na2[B4O5(OH)4]·8H2O). According to my research‚ Sodium Borate is normally slightly irritating to skin and eyes. When chronic exposure occurs‚ it produce eye irritation‚ cough‚ and skin rash. The hairspray I use each morning includes Aminomethyl Propanol (C4H11NO). At higher
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6 did not. Not many fruits and vegetables contain preservatives simply because they come from nature. One of the items contained Sodium Benzoate‚ a small percentage of people are extremely sensitive to sodium benzoate and can experience asthmatic attacks and other allergic reactions when they take in the preservative. A more normal problem is the combination of sodium benzoate and citric acid and ascorbic acid. When these ingredients mix‚ they form benzene‚ a cancer-causing chemical linked with leukemia
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covalent compound because both hydrogen and iodine are nonmetals. 6) Why would the bulb light up when placed in an aqueous solution of sodium chloride but not in a solid sample of sodium chloride? In a solid sample of sodium chloride‚ sodium and chloride are bonded together ionic and so there aren’t any free electrons to support the flow of electricity. When sodium
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Finance Technical Interview Questions |Corporate Finance | • What could a company do with excess cash on the balance sheet? • What’s the difference between IRR‚ NPV and Payback? • What are the impacts on earnings if a company builds a new factory using debt? operating lease? capital lease? cash? • Why would a company repurchase its own stock? What signals (positive
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CROSBY CORPORATION Statement of Cash Flows For the Year Ended December 31‚ 2008 Cash flows from operating activities: Net income (earnings after taxes)…………………………………… 160‚000 Adjustments to determine cash flow from operating activities: Add back depreciation…………………………………………….. $150‚000 Increase in accounts receivable…………………….…………… (50‚000) Increase in inventory………………………………………………. (20‚000) Decrease in prepaid expenses…………………………………
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My ideal school is a school quite unlike any school we’ve heard of. This school consists of a large library and basic recreational facilities. And that’s all. There are no classrooms. The school motto is “I sought not to bring men to me‚ but to themselves‚” a quote by Emerson. The school is built on the idea of active learning. No student is forced to learn. This is a much more effective way of learning. Students at this school can really pursue their interests. Most importantly‚ students at this
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UPSC Mains - General Studies - Geography of India Physiography 1. What do you understand by Deccan Trap? Describe its characteristics. (1995/20) 2. Why do the Western Ghats receive more rainfall than the Eastern Ghats? (1995/3) 3. Mention the advantages which India enjoys being at the head of the Indian Ocean. (1996/15) 4. What are the geo-economic causes of underdevelopment of various regions in India? (1998/15) 5. How do the Andaman and Nicobar Islands and the Lakshadweep differ in the
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BUS216 Exam #2 Review – Discrete Distributions 1. The number of calls coming into a PBX has a mean of 120 calls per hour. What is the probability of no calls in a one-minute interval? .1353 2. A school is sending 18 children to a camp. If 15% of the children in the school are first graders‚ and the 18 children are selected at random from among all 6 grades at the school‚ find the mean and variance of the number of first graders chosen? The mean is 2.7‚ and the variance is 2.3. n
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chap 17: 1) Which of the following variations on translation would be most disadvantageous for a cell? A) translating polypeptides directly from DNA B) using fewer kinds of tRNA C) having only one stop codon D) lengthening the half-life of mRNA E) having a second codon (besides AUG) as a start codon a 5) A particular triplet of bases in the template strand of DNA is 5’ AGT 3’. The corresponding codon for the mRNA transcribed is A) 3’ UCA 5’. B) 3’ UGA 5’. C) 5’ TCA 3’. D) 3’ ACU 5’. E) either UCA
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