Numerade

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But-2-enal (common name: crotonaldehyde) reacts with a base like potassium tert-butoxide (KO-t-C+H) to form an enolate ion. The structure of this aldehyde is provided below with the carbons numbered for reference. Identify the carbon from which a base will most readily remove a proton to form the enolate.

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The cerebellum is divided into 2 hemispheres and has superficial gray matter and deep white matter. True False

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A rigid container has a volume of 0.5 m3 and holds 30 moles of gas. If the gas is at room temperature (20ºC), what is the pressure of the gas?

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If a firm or an industry is considered too big to fail, it is Multiple Choice wise to regulate it because the regulation will make it smaller. unwise to regulate it because it is too big. unwise to regulate it because the regulation will slow growth. wise to regulate it because of the moral hazard problem.

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What type of standard score is computed by multiplying the z score by 10 and adding 50? A) IQ score B) Z score C) X score D) T score

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7 Write the self-ionization equation for the non-aqueous solvent $ \mathrm{N}_{2} \mathrm{O}_{4} $ 9. What is the anhydride of $ \mathrm{Fe}(\mathrm{OH})_{2} $ ? F. Complete the chemical equation $ \mathrm{Al}(\mathrm{OH})_{3}+\mathrm{NaOH} \longrightarrow $ 20. Upon adding 0.75 moles of HOCl to 1 L water at $ 25^{\circ} \mathrm{C} $, the following concentrations of $ \left[\mathrm{H}_{3} \mathrm{O}^{+}\right]=1.5 $ $ \times 10^{-4} \mathrm{M},\left[\mathrm{OH}^{-}\right]=6.8 \times 10^{-11} \mathrm{M},[\mathrm{HOCl}]=0.75 \mathrm{M} $ and $ [\mathrm{OCl}]=1.5 \times 10^{-4} \mathrm{M} $ are generated at equilibrium. Is HOCl acidic or basic?

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(15 points) Using ◻◻^(◻)◻ and ◻S^(0), calculate ◻ Go and K for the following reaction: HBr(g)+Cl2(g)--->HCl(g)+Br2(l) If this is a spontaneous reaction, will it be spontaneous at all temperatures? 6)(15 points) Using and S, calculate Go and K for the following reaction: HBr(g)+ Cl2(g) ---> I HCl(g)+ Br2(l) If this is a spontaneous reaction, will it be spontaneous at all temperatures?

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According to the principles of free trade, each country should specialize in the products or services that it can produce easily and cheaply and trade those products or services for goods and services that foreign countries can produce easily and cheaply. True False

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5. Richard derives his utility from buying (Y) and (X) in accordance with U(X,Y) = 2X^0.8 Y^0.5. If the price of X is $10 and the price of Y is $20 and Richard's income is $1,000, what would be his satisfaction at the optimal bundle?

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Mention the basic features of a 555 timer and discuss how a 555 timer can be used as a frequency to voltage converter.

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manuel g.