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alan henson

alan h.

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9. Draw the product of the $S_N2$ reaction below, including the stereochemistry at all stereogenic centers. The product of this reaction is a drug used to treat nausea. Justify why (through electronic or molecular orbital arguments) you selected the nucleophile and electrophile on each molecule to be the most reactive. CF$_3$ CF$_3$ + O= H N N N H Cl K$_2$CO$_3$ Product F

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A key component of the SOS response is the destruction of a transcriptional repressor protein called ______ O LacI O DinB O LexA O RecA

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1) The volume of the solid that results when the shaded region is rotated about the y-axis is ... a) $\frac{15}{2}\pi$ c) $2\pi$ b) $\frac{128}{5}\pi$ d) $30\pi$ Use the formula $V = \pi \int_a^b [W(y)]^2 - [V(y)]^2 dy$

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Question (1)/(x)+(1)/(x+3)=1 The equation above describes a situation in which two people working together can complete a job in 1 hour, whereas working alone, the quicker person would complete the job 3 hours faster than the slower person. Which of the following is a value of x that satisfies the equation? (1+\sqrt(3))/(2) (1+2\sqrt(3))/(2) (1+\sqrt(13))/(2) (-1+\sqrt(13))/(2)

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Standard Entropy and Entropy Change of Reactions Using standard entropy values (from the appendices of your text), calculate ?S° for the following reactions. (See example 10.7 p 374 Zumdahl 8th edition.) 3 O$_2$(g) \(\rightarrow\) 2 O$_3$(g) C$_2$H$_6$(g) \(\rightarrow\) C$_2$H$_4$(g) + H$_2$(g) HCl(g) \(\rightarrow\) H$^+$(aq) + Cl$^-$(aq)

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5 The following is the individual supply schedule at each price level for eggs. Price of Eggs (RM Dozen) Quantity Supplied by Bob Mini Market (Dozen) Quantity Supplied by John Mini Market (Dozen) Market Supply (Dozen) 3.20 80 150 3.00 70 140 2.80 60 130 2.60 50 120 2.40 40 110 2.20 30 100 (a) Fill in the market supply and plot the individual supply curve on the graph paper. (b) Derive the market supply curve. (c) Assume that the government imposes tax for eggs and as a result the market supply falls by 20 dozens at each price level. Indicate the changes in the graph.

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CHECKPOINT: The university has installed a surveillance system that includes a network of cameras on campus. Cameras are located approximately ½ of a mile of each other. When testing the system, there is a chance that individual cameras may fail, however, cameras operate independently of one another. Knowing that one camera has failed does not change the probability that any other camera will fail. Let's assume that your dorm is near two of those cameras: C1 and C2. For safety reasons you may be worried about both cameras failing. Supposed that when the surveillance system is activated, about 5% of the individual cameras fail. This makes the following two independent outcomes: P(C1 fails) = 0.05 and P(C2 fails) = 0.05. What would be the probability that the two cameras near your dorm will fail at the same time? [ROUND TO FOUR DECIMALS, NO PERCENTAGE FORM]

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Question number 15. Find $f$ given that $f'(x) = 3x - 3$ and $f(2) = 2$. $\circ f(x) = \frac{3}{2}x^2 - 3x + 3$ $\circ f(x) = \frac{3}{2}x^2 - 3x + 2$ $\circ f(x) = \frac{3}{2}x^2 - 3x + 1$ $\circ f(x) = 3x - 1$ $\circ f(x) = 3x - 2$

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In 2021, KV a tax consultant, entered into a 4 year contract with a client to perform services for $100k and will bill client $25k per year. If contract is terminated before the end of the 4 years, KV only has enforceable right to amounts billed. For AFS purposes, KV reports $60k in 2021, $0, 2022, $20k in 2023 and $20k in 2024. How much can KV include in taxable income considering the All Events Test. Does this create a deferred tax asset or liability in year 1?

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Find the limit, if it exits. If it does not exist, show two paths that result in different limits: a. $\lim_{(x,y)\to(2,-3)} \frac{x^3y+3x^3}{y^2-9} =$ b. $\lim_{(x,y)\to(2, 1)} \frac{xy-xy^2}{x^2y-2xy} = $

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