Numerade

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Cadmium and cyanide ions can form the complex ion, Cd(CN)$_4^{2-}$, in aqueous solutions. Cd$^{2+}$ + CN$^-$ $\rightleftharpoons$ [Cd(CN)]+ $K_1$ ... [Cd(CN)$_3$]$^-$ + CN$^-$ $\rightleftharpoons$ [Cd(CN)$_4$]$^{2-}$ $K_4$ Cd$^{2+}$+ 4 CN$^-$ $\rightleftharpoons$ [Cd(CN)$_4$]$^{2-}$ $K_{formation}$ The stepwise equilibrium constants are: $K_1$ = 1.5 × $10^5$; $K_2$ = 2.6 × $10^4$; $K_3$ = 2.1 × $10^4$; and, $K_4$ = 1.6 × $10^3$. Hydrocyanic acid is a weak acid in water: HCN $\rightleftharpoons$ H$^+$+ CN$^-$, $K_a$ = 6.2 × $10^{-10}$. What is the equilibrium constant, $K_{overall}$, for the reaction Cd$^{2+}$ + 4 HCN $\rightleftharpoons$ Cd(CN)$_4^{2-}$+ 4 H$^+$? a. 2.1 × $10^{-2}$ d. 8.7 × $10^{53}$ b. 8.1 × $10^7$ e. 3.2 × $10^8$ c. 1.9 × $10^{-20}$

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If a 0.10 M solution of acid has a pH of 4.3. What is the pKa of that acid?

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Question 4 Not yet answered Marked out of 1.00 Flag question In this readily reversible reaction, A + B \leftrightarrow C + D, \Delta G is most likely: a. >0 b. slightly <0 c. slightly >0 d. <0 e. near 0

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Write an equation (any form) for the quadratic graphed below y =

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Use substitution to find the indefinite integral.\\ $\int 3x^2e^{5x}dx$

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Question When examining an axial (horizontal) view CT of a patient with a suspected lesion to the motor cortex, the ____ surface would be at the top of the image and the lesion would produce ____ effects. A anterior, ipsilateral B anterior, contralateral C posterior, contralateral D posterior, ipsilateral E there is no way to determine this

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Exclusive OR V? V? Use multisim to create circuit above using Cmos inverter and CMOS NAND gates, Use truth table to Verify function.

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Jerry's utility function. Jerry has a total of I dollars per year to spend on apples x and polo shirts y. His preferences are represented by the utility function U(y). a) Write down Jerry's marginal utility of apples and polo shirts. b) What are Jerry's demand functions x*(p,r,P,y,I) and y*(p,r,P,y,I)? c) What is Jerry's optimal yearly consumption of apples and polo shirts if I = $1200, p = $4, and P = $24? Sketch an indifference curve budget line diagram and show the optimal bundle graphically.

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1) Determine masa y el centro de masa del sólido con densidad dada acotado por las gráficas de las ecuaciones. Establezca y evalúe claramente el integral triple que permite determinarlo. x=0, x=b, y=0, y=b, z=0, z=b donde $\rho(x,y,z) = kz$ Determine mass and center of mass of the solid with given density bounded by the graphs of the equations. Clearly state and evaluate the triple integral that allows you to determine it.

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10. Consider the function $h(x) = |x + 1| - 7$ and the function $q$ represented in the table below. Determine which function, $h(x)$ or $q(x)$ has the smaller minimum value for the domain $[-2, 2]$. Justify your answer. [2 points] \begin{array}{|c|c|} \hline x & q(x) \\ \hline -2 & -8 \\ -1 & 0 \\ 0 & 0 \\ 1 & -2 \\ 2 & 0 \\ \hline \end{array}

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jordan m.