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cristian rogers

cristian r.

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1. Show the structure(s) for the major organic products for these reactions. If there is no reaction, write N/R. a) 1) NaBH4, EtOH 2) Hâ‚‚O+ b) 1) CHâ‚‚CHâ‚‚CHâ‚‚MgBr, ether 2) Hâ‚‚O+ c) 1) LiAlH4, ether 2) Hâ‚‚O+ d) 1) CHâ‚‚CHâ‚‚CHâ‚‚MgBr, ether 2) Hâ‚‚O+

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10) Which of the following statements about nitriles is INCORRECT? Nitriles can be prepared by the dehydration of amides Nitriles react with RMGX (Grignard reagent)s) to form tertiary alcohols Nitriles can be hydrolyzed to carboxylic acids Nitriles can be reduced with excess lithium aluminum hydride to get primary amines, RNH2

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2. (15 points) Let $f(x, y) = 9 - 2x^2 - 4y^2 - 4x$. Determine the absolute maximum and absolute minimum value of $f(x, y)$ obtained on the closed elliptical disc $x^2 + 4y^2 \leq 9$.

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For active individuals, a carbohydrate intake of 3 to 12 g/kg is recommended: As the Acceptable Macronutrient Distribution Range (AMDR) By the American College of Sports Medicine As the Recommended Dietary Allowance (RDA) None of the other answers are correct

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6. The continuous random variable $X$ has the following probability density function: $f(x) = egin{cases} kx^2 + 3, & 0 le x le 3, \ 0, & ext{otherwise} end{cases}$ Find the value of the constant $k$. (4 marks)

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Which of the following products is most likely sold in a monopolistic market? Part 2 A. Electricity B. iPhones C. a Spotify subscription D. Your economics textbook

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At a farmers' market, Darius buys 4 pounds of pears and 9 pounds of raspberries for $23.81. At the same farmers' market, Candela buys 8 pounds of pears and 5 pounds of raspberries for $18.37. Determine the price per pound for pears and raspberries at this farmers' market. A pound of pears costs $ A pound of raspberries costs $

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even the best representative sampling cannot give us which of the following

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38. The phase of cell division that the cell shown above is undergoing is anaphase telophase prophase metaphase 39. If the original onion root cell was diploid and had 16 chromosomes, the expected number of chromosomes and the ploidy of each of the daughter cells produced is 16 and the cells are diploid 8 and the cells are diploid 8 and the cells are haploid 16 and the cells are haploid

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P 10-6-14 (Questions 10 to 12) Determine the voltage $v_o(t)$ in the form $A \cos(\omega t + \theta)V$ when $v_s(t) = 25 \cos (100t - 15^\circ) V.$

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