Questions
Indicators change colors at specific pH ranges. Look up the pH for phenolphthalein. Indicators are used...

Indicators change colors at specific pH ranges. Look up the pH for phenolphthalein. Indicators are used knowingly (and sometimes unintentionally) in everyday life.

a) What is the most common indicator used to measure pH of swimming pools? What color changes does it undergo?
b) Red cabbage juice is a common indicator you can make at home. What compounds are responsible for the indicator properties of red cabbage? What are the pH ranges in which it works?

In: Chemistry

Compare and contrast the views of new classical economists and mainstream economists on the issue of...

Compare and contrast the views of new classical economists and mainstream economists on the issue of policy rules versus the use of discretionary monetary and fiscal policy. 2. What rationale does rational expectations theory provide for the ineffectiveness of discretionary policies?3. What have been the changes or modifications in thinking about monetary rules in recent decades? 4. Explain the mainstream economists’ justification for the use of discretionary fiscal and monetary policy and their criticisms of policy rules.

In: Economics

According to Becker’s economic theory of fertility, a couple’s desired family size is influenced by economic...

  1. According to Becker’s economic theory of fertility, a couple’s desired family size is influenced by economic conditions that affect the private benefits and costs of having children.
    1. Explain how each of the following changes affects the total fertility rate (if it is possible to predict).
    1. Free public education system is introduced
    1. Infant mortality rates fall after the introduction of various public health measures
    2. Increase in skill premium (or returns to education) caused by trade liberalization

In: Economics

Is this an SRS? A large national telecommunications company has about 20,000 non-management employees and 3,000...

Is this an SRS? A large national telecommunications company has about 20,000 non-management employees and 3,000 management employees. A survey of employee opinion about recent changes in health care coverage selects 400 of the non-management employees at random and 60 of the management employees at random. The 460 employees make up the sample. a) Does this sampling method give each employee an equal chance to be chosen? Why or why not? b) Is this an SRS? Why or why not?

In: Statistics and Probability

he Affordable Care Act (ACA) has made a huge impact on healthcare delivery system and especially...

he Affordable Care Act (ACA) has made a huge impact on healthcare delivery system and especially in regard to financial management of healthcare organizations and delivery of high quality healthcare services.

The timeline for implementation of the Affordable Care Act will continue through 2020. Locate 3–4 updates (past, present, or future) on the timeline that are related to healthcare finance. Discuss these changes or initiatives and include thoughts on how they have and will continue to impact healthcare finance.

In: Nursing

The U.S. health care system has undergone many changes in its history. What do you believe is the greatest achievement that the health care industry has made from both the patient and provider perspectives? Why?

 

The U.S. health care system has undergone many changes in its history. What do you believe is the greatest achievement that the health care industry has made from both the patient and provider perspectives? Why?

Do you believe that there is too much or too little redundancy in our health care delivery system? Where does most of the redundancy occur? Where should we have more redundancy (second opinions)?

In: Nursing

How should the federal government assess the hazards and risks at the state and local levels...

  • How should the federal government assess the hazards and risks at the state and local levels of government (natural and man-made disasters)?
  • Should the federal government have a role in this area?
  • Kettl and Sylves discuss the expanding role of the federal government in this area of emergency management. Is this a role for the federal government to undertake or should it concentrate on the hazards and risks assessment of terrorism aspect of emergency management?
  • What policy changes or solution would you recommend to address these issues?

In: Economics

In April, employment in leisure and hospitality plummeted by 7.7 million, or 47 percent. Almost three-quarters...

In April, employment in leisure and hospitality plummeted by 7.7 million, or 47 percent. Almost three-quarters of the decrease occurred in food services and drinking places (-5.5 million). Employment also fell in the arts, entertainment, and recreation industry (-1.3 million) and in the accommodation industry (-839,000). [Employment Situation, Bureau of Labor Statistics]

Draw a demand and supply diagram for the leisure and hospitality that illustrates the above information. Explain your diagram and any changes you draw.

In: Economics

. You have two thermal couples. One thermal couple is fixed in space at (Xo,Yo,Zo) and...

. You have two thermal couples. One thermal couple is fixed in space at (Xo,Yo,Zo) and the second thermal couple is moving in space. At time to, the second thermal couple moves to location (Xo,Yo,Zo). Assuming the temperature is not uniform in space.

Are the temperatures measured from the two thermal couples the same ?

Are the rate of changes of temperature the same?

Please be clear I really want to understand the concept, Thank you for your help (:

In: Mechanical Engineering

The market for coffee beans is described by the following equations: Qs = 2P – 8 Qd = 16 – P

The market for coffee beans is described by the following equations:

Qs = 2P – 8

Qd = 16 – P

a) Suppose the government sets a price ceiling at $10. Is there a shortage? Is there a surplus?

b) The government lowers the price ceiling to $5. Describe the changes in shortage/surplus.

c) Now suppose a price floor/ceiling has been instituted, which causes a surplus of 9 units. Is this a floor or a ceiling? What specific price would create this surplus?

In: Economics