Numerade

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2.25. Calculate the activity coefficient for (a) 0.05 m Cs2SO4 and (b) 0.05 m BaCl2 in water at 25 °C. Use the following for Debye–Hückel constants (note that Ba is the product of B and a). For Cs2SO4 Ba = 1.328 (kg·mol−1)1/2 For BaCl2 Ba = 1.559 (kg·mol−1)1/2

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According to LeChatlier's principle, for the following reaction at equilibrium, which cause and effect are correctly matched? CO(g) + 2H2 (g) \rightleftharpoons CH3OH(g) + heat 1) adding CO causes a shift to the left 2) adding heat causes a shift to the right 3) removing heat does not cause a shift 4) removing CH3OH causes a shift to the left 5) removing H? causes a shift to the left

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Choose one of the cultures discussed in the assigned articles or videos for this week (Rapa Nui, Guarani, Kayapo, !Kung) and discuss the ways in which they lived sustainably (or unsustainably) within their local environments. What can we learn from these cultures about our own relationship with the environment here in the USA?

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How many atoms are in 65.6 g silicon? Show your work.

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Texts: Becoming a responsible steward of your mental health can improve how you cope with stress, relate to others, perform in class, and make life decisions. When we devote time to our mental health, we can enhance our overall health and well-being as well as have a positive impact on the lives of others. For this assignment, you will be taking on the role of the Keynote Speaker at Rasmussen University's "Mental Health Matters" Conference. As a presenter, you will discuss the importance of mental health literacy—caring for one's mental health. To accompany the presentation, you will create a PowerPoint highlighting the main ideas. The goal of your presentation is to bring awareness to mental health issues and encourage your fellow classmates and professors to do things that will help them improve their mental health and quality of life. Instructions: Students will create a 10-slide PowerPoint including an introduction and reference slide for this assignment. The PowerPoint will address the following topics: 1. Define mental health literacy and discuss its importance. 2. Discuss how social stigma affects mental health. 3. Provide some statistics that illustrate the importance of practicing good mental health. 4. Discuss the effects of poor mental health literacy on our lives. 5. Discuss the benefits of practicing good mental health literacy. 6. Offer strategies to improve our mental health (i.e., self-care). 7. Provide resources for those struggling with mental health issues (i.e., national hotlines, governmental agencies, online sources, etc.). 8. Include an introduction and references.

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20. A box needs to have a surface area of 12 in$^2$ and be twice as long as it is wide. What is the largest volume the box can have?

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r is inversly proportional to the square of c. When c=4, R=3.125. Find a formula for R in terms of c

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Using the Mesh Current Method, what is the value of the voltage $v_c$? 2? 2? 2 ? $v_c$ + $v_b$ + + + 5 V 3 ? $i_1$ 3 ? $v_a$ ? 2 A -2.82 V -2.00 V -1.42 V -2.58 V

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QUESTION 17 Suppose the Feds decide to increase reserve requirements, which of the following will occur? A. The SUPPLY of the monetary base will increase B. The SUPPLY of the monetary base will decrease C. The DEMAND for the monetary base will increase D. The DEMAND for the monetary base will decrease QUESTION 18 Suppose the Feds decide to increase reserve requirements, which of the following will occur? A. The Federal Funds rate will decrease, expanding the economy. B. The Federal Funds rate will decrease, contracting the economy. C. The Federal Funds rate will increase, expanding the economy. D. The Federal Funds rate will increase, contracting the economy. QUESTION 19 Suppose the Feds decide to increase reserve requirements, which of the following is likely to occur? A. Unemployment will increase and inflation will increase B. Unemployment will increase and inflation will decrease C. Unemployment will decrease and inflation will increase D. Unemployment will decrease and inflation will decrease

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Issues in International Investing: The following figure presents something of a paradox: it shows that the correlation between a country's stock market returns and the same country's growth in per capita GDP is actually negative. Real equity returns and per capita GDP, 1900-2013 Source: Elroy Dimson, Paul Marsh, and Mike Staunton, using data from Barro and Maddison Countries ranked by growth of per capita GDP South Africa New Zealand Switzerland UK Germany Australia Netherlands Denmark Belgium Spain France Austria Canada USA Portugal Sweden Italy Finland Norway Japan Ireland 1.1% 13% 14% 14% 17% 17% 18% 1.8% 1.8% 8% 19% 1.9% 0.7% 2.0% 2.0% 2.1% 2.2% 2.2% 2.4% 2.5% 2.7% 2.8% 7.4% 6.0% 4.4% 5.3% 3.2% 7.4% 4.9% 5.2% 2.6% Correlation = -0.29 3.2% 5.7% 6.5% 13.7% 5.8% 19% 5.3% 4.3% 4.1% 4.1% 0% 1% 2% 3% 4% 5% 6% 7% Real total return on equities Growth rate of per capita real GDP The findings above may be counterintuitive, as one would expect countries with higher rates of economic growth to produce superior investment returns, that is, stronger GDP growth is generally good for investors. Why, then, has it been so difficult to make money by buying the stocks of countries that are improving their economic position? What are the various issues one needs to consider besides the Portfolio Theory when making international investment decisions? (5 Marks)

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kim p.