Consider a Carnot heat engine cycyle executed in a closed system (piston-cylinder device) using 0.01848695 kg of stem as the working fluid. It is known that the maximum absolute temperature in the cycle is three times the minimum absolute temperature, and the net-work output of the cycle is 90 KJ assuming no kinetic and potential energy changes. If the steam changes from saturated vapor (state 3=h_g) to saturated liquid(state 4=h_f) during heat rejection (process3-4) determine

a) the thermal efficiency of this Carnot Cycle

b) the head addition during the process 1-2 (isothermal expansion)

c) the heat rejection during process 3-4 (isothermal compression)

d) the temperature of the steam during the heat rejection process.

(a hint: use energy balance equation, H=U+PV, and h_g -h_f = h_fg

Assume Economy Ashland produces Pepsi.

a.)In the space provided below show the Pepsi market by graphing the coffee demand and supply curves. Label the Demand curve D1, Supply curve S1, Equilibrium point E1, Price Equilibrium P1, and Quantity Equilibrium Q1, both axis.

Now assume that the beverage backing/shipping industry develops new technology to better transport/produce soda which Pepsi incorporates. At the same time price of pizza (a complementary good to Pepsi) increases.

b) In sentences, describe what will happen to market supply and market demand for Pepsi. In the graph above, denote these changes if any with D2 for Demand curve two, S2 for Supply curve two, P2 for price equilibrium 2, E2 for equilibrium quantity, and Q2 for quantity equilibrium.  

c) In sentences, describe what will happen to price equilibrium and quantity equilibrium of Pepsi with these changes.

Answer 3 of the of these 5 questions AND the questions related to the video in folder on Middle-age: Describe the physical changes that occur during middle age – brain, muscles, senses, skeletal, etc., How do these changes affect daily life and health? Explain the terms “fluid” and “crystallized” intelligence, “”, “menopause” “empty nest syndrome” Describe Erickson’s stage of developmental crisis for middle adulthood. Generativity vs. Stagnation Explain the terms - mid-life crisis, empty nest syndrome, cluttered nest, How do these events impact middle adults – divorce, marriage, friendships, caring form aging parents, grandparenthood? View the video "A Journey Through Middle-age" (see week by week folder for Middle Adult) View this video on middle age and compare with the textbook in terms of self-reported and your observation of physical findings, self-concept of man and woman being interviewed.

Nora is an RN who has been asked to present the topic of puberty to a fourth grade health class at the local elementary school.

1. What should she know about the physiology of puberty?

2. What are common changes noted by both sexes in puberty?

3. What are common psychosocial changes in puberty?

4. What health education in addition to the physiologic and social aspects of puberty would be appropriate?

5. One of the parents who came to pick up her child takes the nurse aside and confides that she is very concerned about her daughter, who just turned 9 years old and already has had her period for a few months. She states her daughter is very unhappy with her appearance and cries when she gets her period. How can the nurse advise this mother?

In this discussion, you will examine ways in which pay decisions and benefits are affected by labor market and product market forces and the effect of regulation on the ways in which employee pay and benefits are designed and administered.

Begin by describing the impact the labor and product market forces have on pay and benefit decisions. Include in your description the changes you have seen in your own industry when changes occur in each of these markets and its impact on your own wages and benefits.

Additionally, describe the ways in which regulation impacts employee pay and benefits and the way in which they are designed and administered.

For example, consider the impact of the Affordable Care Act (Obamacare) and its impact on part-time and full-time employment, costs associated with insurance premiums to employers and employees, etc..

Finally, what are some communication techniques employers can use to ensure employees realize the value of benefits?

. We have discussed how abiotic and biotic factors influence the composition and persistence of organisms in different communities over time.   Depending upon the organisms involved, the dynamics can vary dramatically.

a) One example of community change over time occurs during primary succession. Explain how abiotic and biotic factors influence community composition and changes, using examples of your choice. Address relevant environmental characteristics, ecological interactions, and life-history strategies in your answer.

2. The make-up of a community might instead change dramatically in response to a biological invasion. Using an example of your choice, explain how abiotic and biotic factors influence community composition and changes in response to the invasive species. Once again, address relevant environmental characteristics, ecological interactions, and life-history strategies in your answer.

Draw two graphs side-by-side that show the market equilibrium price for soy beans as $3
per pound. The second graph is for Sally the soy bean farmer whose profit maximizing output is 80 pounds of soybeans. Show on your graph Sally making a profit of $140 at the market price of $3. Label all curves you draw and
clearly indicate the profit region.

1. What effect will these long run changes have on either the supply or demand curve in the U.S. Soy bean market?

2. What effect will these long run soy bean market changes have on Sally the soy bean farmer?

3. What happens in the long run to soy bean prices?

4. What happens in the long run to the quantity of soy beans produced in the market?

5. What happens in the long run to the quantity of soy beans produced by Sally?

Q1-Return to the case of the two oil change producers Oil Can Henry’s (OCH) and Jiffy Lube (JL). Recall the inverse market demand for oil changes: P = 100 – 2Q

where quantity is measured in thousands of oil changes per year, representing the combined production of O and G; Q = q_O + q_G; and price is measured in dollars per change. OCH has a marginal cost of $12 per change, and JL has a marginal cost of $20.

Answer the following questions:

a-Suppose the market is a Stackelberg oligopoly and OCH is the first mover. How much does each firm produce? What will the market price be? How much profit does each firm earn?

b-Now suppose JL is the first mover. How much will each firm produce, and what is the market price? How much profit does each firm earn?

1. All else equal, if Canada raises its interest rates,

A) the dollar depreciates.

B) the U.S. demand for Canadian dollars increases.

C) the Canadian supply of Canadian dollars increases.

D) Both A and B.

E) Both A and C.

2. Suppose the exchange rates between the United States and Canada are in long-run equilibrium as defined by the idea of purchasing power parity. If the law of one price holds perfectly, then differences between U.S. and Canadian rates of inflation would

A) have no effect on nominal exchange rates.

B) be completely offset by changes in the real exchange rate.

C) be completely offset by changes in the nominal exchange rate.

D) violate the conditions for the law of one price.

E) lead to a change in the real purchasing power of each country's currency when it is converted to the other country's currency