College Nursing Papers

(b) What year does CFC_trop peak? CFC_strat peak? And O3_strat reach a minimum?

(c) What is the maximum ozone depletion relative to a CFC-free atmosphere (give your answer in %)

(d) Suppose that we wanted to keep ozone depletion to 5% or less.  What value of O3_strat does this correspond to?  And how many years after starting production would we have had to realize our mistake, trusted the science and acted to phaseout all CFCs?

(e) How long would it take since starting to emit CFCs for the ozone to recover to the 99% level?

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1. Airbags contain a mixture of sodium azide, potassium nitrate, and silicon dioxide. A sensor detects a head on collision that cause the sodium azide to be ignited and to decompose forming sodium and nitrogen gas. This gas fills a nylon or polyamide bag such that the front face of the bag travels at a velocity of 150 to 250 miles per hour. This process, from the initial impact of the crash to full inflation of the airbag, takes only about 40 milliseconds. Sodium is very dangerous so the sodium reacts with potassium nitrate present to produce potassium oxide (K2O), sodium oxide (Na2O), and additional N2 gas. The N2 generated in this second reaction also fills the airbag. The metal oxides react with silicon dioxide (SiO2) in a final reaction to produce silicate(glass), which is harmless and stable. a. Write a balanced chemical equation for the first reaction in the airbag gas generator (the decomposition of NaN3).b.Write a balanced equation for the net gas-generating reactions (the combination of the first and second reactions). c.If a car has an airbag that has a volume of 60.0L and the bag requires a pressure of 2.37 atm at 25.00C, calculate the grams of sodium azide needed to inflate the bag. 2. Write a Lewis dot for azide ion showing all its possible resonance structures. Draw the structures illustrating the molecular geometry. Give the name of the molecular geometry around the central atom. Give the hybridization around the central atom. 3. You wish to prepare a buffer solution containing NaN3 and HN3 (hydrazoic acid). You have to prepare the solutions first. a. 187 g of sodium azide is dissolved in water to make a solution with a final volume of 1.0L. What is the concentration and pH of the solution?b.What is the molarity a solution made by adding 120.0 mL of a 6.0 M HN3(aq) to water to a final volume of 250.0 mL?c.What volume of the HN3(aq) made in part b is needed to add to 100.0 mL of the NaN3(aq) solution of made in part a to make a buffer at pH= 5.00?4. [Mn(bipy)(N3)2] is a coordination complexwith azide ion. What is the charge on the manganese? What is the overall charge on the complex? What is the name of this coordination complex?

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green, straight

364

What is the map distance between B and S? You must show and clearly label ALL work to receive credit.

3:Consider the map distance you just calculated in the previous question. If a green abdomen, bent antenna double mutant fly was crossed with a wild type, and you then used their offspring for a testcross, what phenotypic ratio would you expect to see in the F2? (You must show and clearly label ALL work in order to receive credit.

4:Suppose a man carries a very uncommon dominant mutation for a deadly muscular disease that doesn’t show up until people are usually over 50 years of age (he has the disease). He and his wife are expecting their first child–a girl. What is the probability she will also have the disease if…

(1) it is autosomal

(2) it is X-linked

(3) it is Y-linked

Explain each answer in detail. Assume the penetrance of the trait is 100%.

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please review and revise if possible. the question is reflect on why you feel nursing is both an art and science and explain how your nursing education will support your clinical judgement skills in practice. also pay attentions to grammar.

An individual with the knowledge/license in the healthcare field is obligated providing care to other individual with health problems. Nursing is both art and science because they’re intertwined. We cannot have one without the other. Nursing as a science is more apparent. For instance, you must know the patient base nursing care plan. You must have the understand/know nursing planning, nursing diagnostics, implementations and evaluations. You must also know the disease mechanisms of all diseases, medications and management from all side effects. However, the art of nursing is applying the knowledge of what is learned. It bridges the information from nurse to patient in a skillful way. The common goals of nursing include prevention of illness, wellness promotion, facilitation to cope with the condition and restoration of health. All mentioned above can be achieve when nurse has in-depth knowledge of the field and how to prevent the disease.

The nursing education will support your clinical judgement skills in many ways. One of the ways is that an interpretation or conclusion about a patient’s needs, concerns, or health problems, and/or the decision to act (or not), use or modify standard approaches, or improve new ones as deemed appropriate by patient’s response. Nursing is a life long learning. Appling past experience in making a clinical judgement minimize too many mistakes.

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In nature, poinsettias bloom in early march. Research has shown that the following process is triggered three months before blooming occurs. In order to make poinsettias bloom in December, florists change the length of the light-dark cycle in September. Given the information and clues above, which of the following is a FALSE statement about poinsettias?1. they are short-day plants2. they require a light period shorter than some set maximum3. they require a longer dark period than is available in September4. The dark period can be interrupted without affecting flowering.5. They will flower even if there are brief periods of dark during the daytime.

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Select one of the alternatives from the following questions as your answer- [????×???? = ????](a) A single linear equation with two or more unknowns must always has(A) No solution(B) Unique solution(C) Infinitely many solutions(D) None of the above

(b) If ???? is a 6×4 matrix and ???? is an ????×???? matrix such that ???????????????? is a 2×6 matrix,then the values of ???? ???????????? ???? are(A) ???? = 2, ???? = 4(B) ???? = 4, ???? = 2(C) ???? = 6, ???? = 2(D) ???? = 2, ???? = 6(c) If ???? = [1 22 4] , then(A) ????−1 = [4 −2−2 1](B) ????−1 = [4 22 1](C) ????−1 = [−1 22 −4](D) ????−1 does not exist(d) The transpose of upper triangular matrix is(A) Upper triangular matrix(B) Lower triangular matrix(C) Any matrix(D) Does not exist(e) If ???? = [1 32 5], then det (3????) is(A) −3(B) 6(C) 9(D) −9(f) If ???? = [2 31 4], then ???????????? is equal to(A) [13 1412 17](B) [13 1411 17](C) [13 1414 17](D) [13 1413 17]

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Imagine yourself to be a microbial pathogen, tell us the reason for your choice, and describe in detail the structures you would like to have in order to live in the habitat of your choosing and the factors needed to cause infection of a specific organ in humans.

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You are a home health care nurse visiting the home of an 86-year-old retired waitress to determine what alterations may need to be made to her environment. She was recently discharged from a rehabilitation facility where she received therapy after her stroke. She greets you at the door of her one-story house, proudly sharing that she has lived there for 65 years. Following her inside, you note that she exhibits minimal left-sided weakness but ambulates with a quad cane. You observe a clean but cluttered home with many pictures and memorabilia of her extensive family. Scattered throughout the home are colorful throw rugs, which she indicates help cover the stains from “accidents” of her two cats and one small dog, who seem devoted to her and follow her every move. As you visually scan her kitchen, you note her several medication bottles scattered throughout. In her bedroom, you note two electrical outlets to which are connected an alarm clock, a radio, a small television, a telephone and detached answering machine, an air conditioner, an oscillating fan, and her cell phone charger. Due to her extensive appliance use within her bedroom, you observe three extension cords crossing the room to connect to the outlets

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You are standing 2.5 {rm m} directly in front of one of the two loudspeakers shown in the figure. They are 3.0 {rm m} apart and both are playing a 686 {rm Hz} tone in phase. As you begin to walk directly away from the speaker, at what distances from the speaker do you hear a minimum sound intensity? The room temperature is 20 ^circ {rm C}.

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Dislocation motion is associated with ________.

Choose one of the following answers.

Elastic deformation of a crystalline solid.

Plastic deformation in an amorphous solid.

Incorrect! Correct Answer : Plastic deformation of a crystalline solid.

Plastic deformation of a crystalline solid.

Elastic deformation of an amorphous solid.

1, 2, 4 and 5 are correct.

please explain each of this option and which one is correct.

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