​ Discussion Topic 1: Regulating Professional Practice

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Discussion Topic 1: Regulating Professional Practice 250 Words APA Format 3 Scholarly Journal Sources ( I am in Florida) if you need a certan state for the below question

Compare the roles of state board of nursing with the role of professional organizations in regulating professional practice. What are the major methods of credentialing? List the benefits and weaknesses of each method from the standpoint of protecting the public and the protection of the professional scope of practice.

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The manager of Simple Company must choose between two investments. Project A costs $50,000 and promises cash savings of $10,000 a year over a useful…

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The manager of Simple Company must choose between two investments. Project A costs $50,000 and promises cash savings of $10,000 a year over a useful life of 10 year. Project B costs $60,000, and the estimated cash savings are $11,000 per year over a useful life of 11 years. Using the payback method, determine which project the manager should choose.

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Multiple Choice Questions A sample of 3.00 moles of liquid water is heated from 10°C to 80°C

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A sample of 3.00 moles of liquid water is heated from 10°C to 80°C. Determine q for this sample of water during this process. (The specific heat of water is 4.18 J/g°C.)

8.00 grams of CH4 gas are completely combusted in the presence of excess oxygen gas in a bomb calorimeter. The heat capacity of the calorimeter and its contents is 18.2 kJ/°C, and the calorimeter rises in temperature from 25.0°C to 49.5°C. Determine the enthalpy of combustion of CH4 gas in units of kJ/mol.

Gas grills typically use the combustion of propane, C3H8 (g), to heat up the grill. The combustion of propane is shown in the following balanced chemical reaction:

C3H8 (g) + 5 O2 (g) –> 3 CO2 (g) + 4 H2O (l)

Using the information given below, determine the ∆H° for this reaction.

Useful Information:

∆H°f (C3H8 (g)) = –104 kJ/mol

∆H°f (H2O (l) = –286 kJ/mol

∆H°f (CO2 (g) = –393 kJ/mol

Consider the following chemical reaction and associated change in enthalpy:

H2 (g) + F2 (g) ––> 2 HF (g) ∆H = –542 kJ/mol

Determine ∆H for the following reaction:

HF (g) ––> frac{1}{2}

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H2 (g) + frac{1}{2}

12
F2 (g) ∆H = ???

Consider the following data:

NO (g) + 1/2 O2 (g) –> NO2 (g) ∆H = –56 kJ/mol

N2O4 (g) –> 2 NO2 (g) ∆H = 58 kJ/mol

Determine the ∆H for the following reaction:

2 NO (g) + O2 (g) –> N2O4 (g)

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29. What are mitochondria? What is the basic morphology of these organelles and in which cells can they be found?

Mitochondria are the organelles in which the most important part of cellular respiration occurs: ATP production.

Mitochondria are organelles enclosed by two lipid membranes. The inner membrane invaginates to the interior of the organelle, forming the cristae that enclose the internal space known as the mitochondrial matrix, in which mitochondrial DNA (mtDNA), mitochondrial RNA (mt RNA), mitochondrial ribosomes and respiratory enzymes can be found. Mitochondria are numerous in eukaryotic cells and they are even more abundant in cells that use more energy, such as muscle cells. Because they have their own DNA, RNA and ribosomes, mitochondria can self-replicate.

  • Cell Structure Review – Image Diversity: mitochondria

30. Why can mitochondria be considered the “power plants” of aerobic cells?

Mitochondria are the “power plants” of aerobic cells because, within them, the final stages of the cellular respiration process occur. Cellular respiration is the process of using an organic molecule (mainly glucose) and oxygen to produce carbon dioxide and energy. The energy is stored in the form of ATP (adenosine triphosphate) molecules and is later used in other cellular metabolic reactions. In mitochondria, the two last steps of cellular respiration take place: the Krebs cycle and the respiratory chain.

31. What is the endosymbiotic hypothesis regarding the origin of mitochondria? What molecular facts support this hypothesis? To which other cellular organelles can the hypothesis also be applied?

It is presumed that mitochondria were primitive aerobic prokaryotes that were engaged in mutualism with primitive anaerobic eukaryotes, receiving protection from these organisms and providing them with energy in return. This hypothesis is called the endosymbiotic hypothesis of the origin of mitochondria.

This hypothesis is strengthened by some molecular evidence, such as the fact that mitochondria have their own independent DNA and protein synthesis machinery, as well as their own RNA and ribosomes, and that they can self-replicate.

The endosymbiotic theory can also be applied to chloroplasts.

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