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nicolas macias

nicolas m.

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3 Parte III – Resonancia Magnética Nuclear I. En el espectro RMN proponga un posible compuesto (de forma general – ejemplo- aldehído, amina, alcohol, etc.). Justifique su respuesta $^{13}$C $^{1}$H TMS TMS $\delta$ (ppm) II. Proponga una estructura consistente con el espectro de $^{1}$H RMN ilustrado abajo. Los números adyacentes a los picos indican sus áreas relativas. $\delta$ 0.91 (doblete, 6H); $\delta$ 1.18 (doblete, 3H); $\delta$ 1.40 (triplete, 2H); $\delta$ 1.62 (multiplete de 9 picos, 1H); $\delta$ 3.58 (singlete, 1H); $\delta$ 4.03 (sexteto, 1H). IR: pico ancho 3300 – 3500 cm-1. Formula molecular: C6H14O PPM

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22) In the following reaction, which species is reduced? Au(s) + 3NO$_3^-$(aq) + 6H$^+$(aq) → Au$^{3+}$(aq) + NO(g) + 3H$_2$O(l) H$^+$ N$^+$5 O$^{2-}$ H$_2$O Au

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Select ALL of the organisms that can cause a UTI. Hint - this is per what we learned in this class. Psuedomonas aeruginosa Proteus mirabilis Escherichia coli Candida albican Moraxella catarrhalis

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Which of the following is NOT a component of the electromagnetic spectrum? gamma rays infra-red radiation visisble light all of these ARE components of the electromagnetic spectrum ultraviolet light microwaves

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Simplify the following expression. (-2y + 9)(-4y + 4) (-2y + 9)(-4y + 4) = \boxed{} (Do not factor.)

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Consider the statement \"y is directly proportional to x\". Write an equation which represents this relationship.

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Find the exact value of the expression.\\ $\cos \left[ \sin^{-1} \left( \frac{\sqrt{2}}{2} \right) \right]$

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A reaction mediated by Enzyme A is reduced at increasing concentrations of Substance Y, but the reaction can recover when much more of the activating ligand for Enzyme A is supplied. Which best describes the role of Substance Y in this reaction? Covalent modulator Competitive inhibitor Allosteric activator Irreversible antagonist Allosteric inhibitor

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The piecewise graph below contains transformations of three tool kit functions. Write a piecewise function that describes the graph. For each piece, write the equation for that piece, and state the domain of that piece in interval notation.

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11. Determine if each of the following operations is a linear transformation (explain why). If it is, find the matrix that represents it and write the transformation in the matrix form. (a) $T: \mathbb{R}^3 \to \mathbb{R}^3$, $T([x, y, z]) = [x - y, x + z, y]$. (b) $S: \mathbb{R}^3 \to \mathbb{R}^3$, $S([x, y, z]) = [0, y + 2, z]$.

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