Social Work Practice Part II Final Flashcards

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chemistry

Describe galvanic cells that use the following reactions. In each case, write the anode and cathode half-reactions and sketch the experimental setup. Label the anode and cathode, identify the sign of each electrode, and indicate the direction of electron and ion flow. (a) $\mathrm{Cd}(s)+\mathrm{Sn}^{2+}(a q) \longrightarrow \mathrm{Cd}^{2+}(a q)+\mathrm{Sn}(s)$ (b) $2 \mathrm{Al}(s)+3 \mathrm{Cd}^{2+}(a q) \longrightarrow 2 \mathrm{Al}^{3+}(a q)+3 \mathrm{Cd}(s)$ (c) $\mathrm{Cr}_2 \mathrm{O}_7^{2-}(a q)+6 \mathrm{Fe}^{2+}(a q)+14 \mathrm{H}^{+}(a q) \longrightarrow$ $2 \mathrm{Cr}^{3+}(a q)+6 \mathrm{Fe}^{3+}(a q)+7 \mathrm{H}_2 \mathrm{O}(l)$

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earth science

What does terrigenous sediment consist of?

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physics

(a) The dwarf planet Pluto and its moon, Charon, are separated by 19,600 km. Neglecting atmospheric effects, should the 5.08-m-diameter Palomar Mountain telescope be able to resolve these bodies when they are 4.50\times 10^{9} km from Earth? Assume an average wavelength of 550 nm. (b) In actuality, it is just barely possible to discern that Pluto and Charon are separate bodies using a ground-based telescope. What are the reasons for this?

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physics

After you have driven a car for some distance, why does the air pressure in the tires increase?

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