Questions
The following diagram shows a distillation process. Distillation is a technique used in chemistry to purify water from dissolved impurities, mainly salts.



The following diagram shows a distillation process. Distillation is a technique used in chemistry to purify water from dissolved impurities, mainly salts. An example is the conversion of sea water to fresh water as is done in many countries including Oman. Temperature plays an important role in distillation process and the various steps involved are as follows. 

Step1: Heating impure water to produce steam in the distillation flask. 

Step2: Steam passes through to the Liebig condenser where it is condensed. 

Step3: Condensed water is collected in the receiving flask as pure water also called distilled water. 

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a) Name the process that is taking place in step1 where water changes to steam. 

b) Name the process that is taking place in step2 where steam changes to water again. 

c) Name whether step1 is exothermic or endothermic? Justify your answer. 

d) Name whether step2 is exothermic or endothermic? Justify your answer. The end-product of distillation is an element, compound or mixture? Justify your answer.

In: Chemistry

1) Which of the following statements correctly describes a competitive market? A) sometimes, a single seller...

1) Which of the following statements correctly describes a competitive market?

A) sometimes, a single seller has the ability to dictate the market price

B) the market price is determined by the interaction of demand and supply

C) the market price for the same good varies from seller to seller.

D) buyers and sellers negotiate prices before making exchanges

2) The demand schedule for a commodity illustrates how the consumption of a commodity changes with changes in :

A) supply B) its price

C) tastes and preferences D) income

3) The demand curve for most goods is normally :

A) downward sloping B) parallel to the horizontal axis

C) parallel to the vertical axis D) upward sloping

4) The law of demand states that

A) the demand for a commodity is mostly influenced by consumers' income

B) the quantity demanded of a commodity is the same for all consumers in a perfectly competitive market

C) the quantity demanded of a commodity varies inversely with the price of the commodity

D) the demand for a commodity always equals the supply of the commodity

In: Economics

1. Find a picture on the internet that shows the underlying structure of an aircraft wing...

1. Find a picture on the internet that shows the underlying structure of an aircraft wing and discuss how it is similar to the box beam concept.

2.The box beam concept handles bending and torsional loads. Consider and discuss what structural elements we have explored so far in this course that address these loads. Hint: there are two (one for bending and one for torsion). Also, please include the following in the discussion.

Depending on the air vehicle performance requirements a wing’s thickness is different. For example, a lower speed vehicle such as a large transport aircraft (e.g., B-747) will have a thicker wing compared to a fighter aircraft. The reasons for this are beyond the scope of this course.

Consider the I-beam concept we have been exploring in this module. Discuss what happens as the wing thickness changes. For example, what is the variable in the bending equation that is effected as the wing thickness changes?

How could the allowable stress level be managed for the different wing structures (i.e., what happens to the skin thickness, which is the upper part of the box beam)?

In: Mechanical Engineering

1.a. A 0.5 m wire moves perpendicular to a .02 T magnetic field at a speed...

1.a. A 0.5 m wire moves perpendicular to a .02 T magnetic field at a speed of 25 m’s. Find the induced e.m.f. in the wire.

1.b. A circular coil of wire has 100 turns, an internal area of 0.25 m2. A magnetic field inside the coil changes form 0.02 T to 0.08 T in 0.001 seconds. Find the induced e.m.f. in the coil.

1.c Find the magnetic flux inside a coil that has a magnetic field of 0.02 T and a radius of 1E-2 m.

1.d. Find the induced emf inside a 50-turn coil that has an area or 0.2m^2 and a magnetic field that changes from 0.5 T to 0 T in 3E-3 Seconds.

1.e. Find the induced emf inside a 100-turn coil that has a change in area of 0.2m^2 to 0.6 m^2 in 3E-3 seconds with a magnetic field of 8E-3 T inside the coil

In: Physics

1.a. A 0.5 m wire moves perpendicular to a .02 T magnetic field at a speed...

1.a. A 0.5 m wire moves perpendicular to a .02 T magnetic field at a speed of 25 m’s. Find the induced e.m.f. in the wire.

1.b. A circular coil of wire has 100 turns, an internal area of 0.25 m2. A magnetic field inside the coil changes form 0.02 T to 0.08 T in 0.001 seconds. Find the induced e.m.f. in the coil.

1.c Find the magnetic flux inside a coil that has a magnetic field of 0.02 T and a radius of 1E-2 m.

1.d. Find the induced emf inside a 50-turn coil that has an area or 0.2m^2 and a magnetic field that changes from 0.5 T to 0 T in 3E-3 Seconds.

1.e. Find the induced emf inside a 100-turn coil that has a change in area of 0.2m^2 to 0.6 m^2 in 3E-3 seconds with a magnetic field of 8E-3 T inside the coil

In: Physics

Chapter 28: Growth and Development of the School-Age Child 1. Gina has come into the primary...

Chapter 28: Growth and Development of the School-Age Child

1. Gina has come into the primary care center with her mother Kris for an 11-year-old wellness examination. As the nurse prepares Gina for her examination, Kris asks to speak to the nurse outside the examination room. Kris shares with the nurse her concerns about recent changes she has noticed in Gina. She explains that Gina’s body is beginning to change and she has made a number of comments about her body image. Kris is concerned about Gina’s self-esteem and emotional development. (Learning Objectives 1, 2, and 3)

a. What are some of the prepubescent changes school-age children experience that the nurse can share with Kris?

b. What are some of the issues regarding body image that the nurse can teach Kris about?

c. What can the nurse teach Kris regarding self-esteem in school-age children to address her concerns?

In: Nursing

1. Which of the following statement about the CPI is not correct? a. the CPI tracks...

1. Which of the following statement about the CPI is not correct?

a. the CPI tracks changes in the price of import goods.

b. the CPI tracks changes in the price of export goods.

c. the CPI is based on the same set of goods over a multi-year period.

d. the CPI only includes consumption goods – it does not include capital investment goods.

2. Suppose 60% of money is held as currency and the reserve ratio is 0.3. The money multiplier is

a. 1/0.72 b. 1/0.3 c. 1/0.6 d. 1/0.18

3. Suppose nominal GDP in 2008 was greater than real GDP in 2008. Given this information, we know with certainty that

a. the GDP deflator in 2008 was greater than the GDP deflator in the base year.

b. the GDP deflator in 2008 was less than the GDP deflator in the base year.

c. real GDP in 2008 was less than real GDP in the base year.

d. real GDP in 2008 was greater than real GDP in the base year

In: Economics

Nursing Facilities and Home Health Care are the chosen facilities ·      Identify and list the sources...

Nursing Facilities and Home Health Care are the chosen facilities

·      Identify and list the sources of financing available to consumers for the various programs provided Nursing Facilities and Home Health Care. Identify the key public and private sources of reimbursement available. Also discuss the role played by managed care and its impact on long-term care reimbursement.

·      Describe the various government and private resources available that assist in developing and maintaining quality improvement programs in nursing homes and home health care. Describe the ways in which quality and cost are controlled in your chosen facilities. Also discuss the ethical aspect of access to care in the facilities, including rationing.
Based on your observations and learning from the two facilities, discuss the changes brought in the long-term care system to make it reach full status as a competition-driven system. You may include the following points in your discussion:

·      Discuss the changes made in the control mechanisms (external and internal) in order to control the management, financing, and quality in the long-term care systems.

In: Nursing

1. Why are some economists concerned that the United States borrows too much from abroad? 2....

1. Why are some economists concerned that the United States borrows too much from abroad?

2. Explain why you agree or disagree with each of the following statements:

a. "A nation's currency will depreciate if its inflation rate is less that that of its trading partners."

b. " A nations whose interest rate falls more rapidly than that of other nations can expect the exchange value of its currency to depreciate."

c. "A nation whose economy grows more slowly than its major trading partners can expect the exchange value of its currency to appreciate."

d. "A nation's currency will appreciate if its interest rate rises relative to that of its trading partners and its income level falls relative to that of its trading partners."

-If the exchange rate changes from $1.70 = 1 pound to $1.68 = 1 pound, what does this means for the dollar? For the pound? What if the exchange rate changes from $1.70 = 1 pound to $1.72 pound?

In: Economics

The Health Information Technology for Economic and Clinical Health Act of 2009 (HITECH Act), Patient Protection...

The Health Information Technology for Economic and Clinical Health Act of 2009 (HITECH Act), Patient Protection and Affordable Care Act (ACA), and Health Care and Education Reconciliation Act (HCERA) are all examples of significant policy shifts that have altered the healthcare landscape. The changes associated with these policy shifts have forced patients, providers, and payors to adapt and, in the case of providers and payors, invest substantial resources. One of the desired outcomes of the changes in healthcare policy is a national database for healthcare information, in which some form of electronic health record (EHR) and health information exchange (HIE) is essential.

please answers

Students will develop both a pro and con argument for a national EHR based upon regional HIE from the patient, provider, and payor perspectives. The student will submit a written explanation of their argument consisting of no more than two (2) pages content for each perspective (i.e. two page maximum patient pro argument, two page maximum patient con argument…

In: Nursing