StrengthWeaknessAlternativesSolutionStrengthWeakness.pdf

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This document discusses a problem and potential solutions but provides no details about the topic, strengths, weaknesses or alternatives. It introduces key elements to analyze like strengths, weaknesses and alternatives but does not elaborate on any of them. The document would benefit from adding context and specifics to aid in understanding the issue and evaluating different approaches.

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Strength:
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Solution
Strength:
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We have two energy states that the hydrogen molecule possess. When the difference in the energy matches with the supplied energy then one electron is promoted to higher energy level i.e the anti bonding orbital. Putting both the electron in the excited state will require even more energy. When the electron is promoted to the higher energy level then the bond order of the molecule decreases which leads to dissociation. This is in accordance to the observed phenomena that molecules do dissociate when heat is supplied. Solution We have two energy states that the hydrogen molecule possess. When the difference in the energy matches with the supplied energy then one electron is promoted to higher energy level i.e the anti bonding orbital. Putting both the electron in the excited state will require even more energy. When the electron is promoted to the higher energy level then the bond order of the molecule decreases which leads to dissociation. This is in accordance to the observed phenomena that molecules do dissociate when heat is supplied..

The atom is a basic unit of matter that consists .pdf

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The atom is a basic unit of matter that consists of a dense, central nucleus surrounded by a cloud of negatively charged electrons. The atomic nucleus contains a mix of positively charged protons and electrically neutral neutrons (except in the case of hydrogen-1, which is the only stable nuclide with no neutrons). The electrons of an atom are bound to the nucleus by the electromagnetic force. Likewise, a group of atoms can remain bound to each other, forming a molecule. An atom containing an equal number of protons and electrons is electrically neutral, otherwise it has a positive or negative charge and is an ion. An atom is classified according to the number of protons and neutrons in its nucleus: the number of protons determines the chemical element, and the number of neutrons determines the isotope of the element. Though the word atom originally denoted a particle that cannot be cut into smaller particles, in modern scientific usage the atom is composed of various subatomic particles. The constituent particles of an atom are the electron, the proton and the neutron. However, the hydrogen-1 atom has no neutrons and a positive hydrogen ion has no electrons. In atomic physics, the Bohr model, devised by Niels Bohr, depicts the atom as a small, positively charged nucleus surrounded by electrons that travel in circular orbits around the nucleus—similar in structure to the solar system, but with electrostatic forces providing attraction, rather than gravity. This was an improvement on the earlier cubic model (1902), the plum-pudding model (1904), the Saturnian model (1904), and the Rutherford model (1911). Since the Bohr model is a quantum physics-based modification of the Rutherford model, many sources combine the two, referring to the Rutherford–Bohr model. The Bohr model is a primitive model of the hydrogen atom. As a theory, it can be derived as a first-order approximation of the hydrogen atom using the broader and much more accurate quantum mechanics, and thus may be considered to be an obsolete scientific theory. However, because of its simplicity, and its correct results for selected systems (see below for application), the Bohr model is still commonly taught to introduce students to quantum mechanics, before moving on to the more accurate but more complex valence shell atom. An atomic orbital is a mathematical function that describes the wave-like behavior of either one electron or a pair of electrons in an atom. This function can be used to calculate the probability of finding any electron of an atom in any specific region around the atom\'s nucleus. These functions may serve as three-dimensional graphs of an electron’s likely location. The term may thus refer directly to the physical region defined by the function where the electron is likely to be. Specifically, atomic orbitals are the possible quantum states of an individual electron in the collection of electrons around a single atom, as described by the orbital function. The idea .

PV=nRT S.pdf

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hey provide more deatails Solution .pdf

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H is oxidized in left side of the equation H is z.pdf

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Factors that influence separation and rate of elu.pdf

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Factors that influence separation and rate of elution: 1. Polarity of mobile phase (solvent) 2. Substrate interactions with stationary phase Thus, for paper chromatography, time is not a factor that largely affect the separation. Solution Factors that influence separation and rate of elution: 1. Polarity of mobile phase (solvent) 2. Substrate interactions with stationary phase Thus, for paper chromatography, time is not a factor that largely affect the separation..

D. both B and C are correct .pdf

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Cyanide is CN-, which means that there are 4 shel.pdf

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Cyanide is CN-, which means that there are 4 shell electrons for carbon, 5 for nitrogen and one more to make the anion. This makes a total of 10 electrons. Nitrogen naturally wants to make three bonds, carbon wants four, but two atoms can\'t have a quadruple bond between them. So they have three covalent bonds, which uses up 6 electrons. This leaves four electrons, which divides up nicely into two lone pairs (one for each atom). So the lewis dot structure is: [:C:::N:]- (::: is a triple bond between the Carbon and Nitrogen). Solution Cyanide is CN-, which means that there are 4 shell electrons for carbon, 5 for nitrogen and one more to make the anion. This makes a total of 10 electrons. Nitrogen naturally wants to make three bonds, carbon wants four, but two atoms can\'t have a quadruple bond between them. So they have three covalent bonds, which uses up 6 electrons. This leaves four electrons, which divides up nicely into two lone pairs (one for each atom). So the lewis dot structure is: [:C:::N:]- (::: is a triple bond between the Carbon and Nitrogen)..

The terms monitor and CRT are used interchangeably in computer systems. A CRT originally referred to a specific type of monitor that uses a cathode-ray tube (CRT). Monitors today are constructed using several different technologies such as liquid plasma, liquid crystal, and CRT. Solution The terms monitor and CRT are used interchangeably in computer systems. A CRT originally referred to a specific type of monitor that uses a cathode-ray tube (CRT). Monitors today are constructed using several different technologies such as liquid plasma, liquid crystal, and CRT..

The only way for this to happen is that all an are not positive. So .pdf

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The idea of Encapsulation is to bundle data and methods (that work.pdf

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The idea of Encapsulation is to bundle data and methods (that work on the data) together and restrict access of private data members outside the class. In C++, a friend function or friend class can also access private data members. Is it possible to access private members outside a class without friend? Yes, it is possible using pointers. See the following program as an example. #include using namespace std; class Test { private: int data; public: Test() { data = 0; } int getData() { return data; } }; int main() { Test t; int* ptr = (int*)&t; *ptr = 10; cout << t.getData(); return 0; } Run on IDE Output: Note that the above way of accessing private data members is not at all a recommended way of accessing members and should never be used. Also, it doesn’t mean that the encapsulation doesn’t work in C++. The idea of making private members is to avoid accidental changes. The above change to data is not accidental. It’s an intentionally written code to fool the compiler. #include using namespace std; class Test { private: int data; public: Test() { data = 0; } int getData() { return data; } }; int main() { Test t; int* ptr = (int*)&t; *ptr = 10; cout << t.getData(); return 0; } Solution The idea of Encapsulation is to bundle data and methods (that work on the data) together and restrict access of private data members outside the class. In C++, a friend function or friend class can also access private data members. Is it possible to access private members outside a class without friend? Yes, it is possible using pointers. See the following program as an example. #include using namespace std; class Test { private: int data; public: Test() { data = 0; } int getData() { return data; } }; int main() { Test t; int* ptr = (int*)&t; *ptr = 10; cout << t.getData(); return 0; } Run on IDE Output: Note that the above way of accessing private data members is not at all a recommended way of accessing members and should never be used. Also, it doesn’t mean that the encapsulation doesn’t work in C++. The idea of making private members is to avoid accidental changes. The above change to data is not accidental. It’s an intentionally written code to fool the compiler. #include using namespace std; class Test { private: int data; public: Test() { data = 0; } int getData() { return data; } }; int main() { Test t; int* ptr = (int*)&t; *ptr = 10; cout << t.getData(); return 0; }.

Answer 16 If Greece, Spain and Portugal have the similar financial .pdf

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Answer 16: If Greece, Spain and Portugal have the similar financial conditions while Italy has the different. If Greece, Italy, Spain, Portugal leave common currency that is Euro then it will be a disaster for Euro as well as these countries. This move will affect Euro. Euro will not have its existence and its value will come down drastically. If these countries stop using Euro, Euro will just collapse and it will bring down the economy of these countries. If new currency will be introduced, it will take time to get stable. This will have a great negative impact on European Union also. Some countries may leave European Union because of these uncertainties. Answer 17: In 2007-08, Financial crisis started in USA and hit the whole world. Subprime crisis started when there was heavy demand of houses in USA, banks were financing for housing loan with the help of Mortgage backed securities (MBD). Banks lent so much money for buying properties without taking and checking the proper documents. Banks did not do proper documentation and provided loan. Slowly the demand or properties came down and properties got unsold. People who took loan, were not able to repay it as their properties got unsold. Banks could not get the money back and some banks collapsed and got bankrupt. Lehman brothers and Merrill Lynch got bankrupt. This was the time during 2007-2010 when the Subprime mortgage crisis hit not only USA but almost the whole world. Solution Answer 16: If Greece, Spain and Portugal have the similar financial conditions while Italy has the different. If Greece, Italy, Spain, Portugal leave common currency that is Euro then it will be a disaster for Euro as well as these countries. This move will affect Euro. Euro will not have its existence and its value will come down drastically. If these countries stop using Euro, Euro will just collapse and it will bring down the economy of these countries. If new currency will be introduced, it will take time to get stable. This will have a great negative impact on European Union also. Some countries may leave European Union because of these uncertainties. Answer 17: In 2007-08, Financial crisis started in USA and hit the whole world. Subprime crisis started when there was heavy demand of houses in USA, banks were financing for housing loan with the help of Mortgage backed securities (MBD). Banks lent so much money for buying properties without taking and checking the proper documents. Banks did not do proper documentation and provided loan. Slowly the demand or properties came down and properties got unsold. People who took loan, were not able to repay it as their properties got unsold. Banks could not get the money back and some banks collapsed and got bankrupt. Lehman brothers and Merrill Lynch got bankrupt. This was the time during 2007-2010 when the Subprime mortgage crisis hit not only USA but almost the whole world..

Please find the answers and explanations belowWhy might one expec.pdf

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Please find the answers and explanations below: Why might one expect to find coliform in samples of meat? Answer: The animal intestine normally contains coliform bacteria but these do not pose any health hazard unless they penetrate the flesh/muscles. These bacteria are also eliminated from the intestine by the route of egestion through faeces. While butchering, the animal flesh might accidently get contaminated with this infected faeces or acquire coliform spores from the open environment itself. This can directly lead to contamination and rottening of the flesh. Thus, due to poor sanitation conditions, one might expect coliform in samples of meat which can cause diseases. b) What is the danger associated with this type of contamination? Answer: Although these coliforms normally reside as good-flora in the intestine, but when present in exceedingly high amounts such as contaminated meat, consumption of such food can lead to food-poisoning and infection of the gastro-intestinal tract. This can lead to indigestion, diarrhoea, poor assimilation of nutrients, vomiting tendency, nutrient loss and dehydration. Thus, such clinical situations are alarming and demand attention. c) In terms of food safety, why is it suggested to cook hamburgers medium-well to well-done whereas steaks can be cooked rare? Answer: In the modern times, the trend of packed food is very advanced. People tend to consume pre-cooked or packaged food owing to ease and quickness. It is very well known that bacteria are omnipresent in nature and given a chance, they can definitely incubate on a substratum surface and contaminate it. The steak surface are very good substratum for this purpose. However, heating the steaks can lead to decontamination since bacteria cannot survive on heat. This is why it is said that the food should be properly cooked on heat before eating. Hamburgers are particularly prone to infection due to added reasons. During process of making a hamburger, the metallic dicers are used to finely chop the meat. Since these metallic dicers remain open in contact with air, they are highly vulnerable for infectious growth of bacteria/pathogens. Moreover, mechanical churning of the meat will further promote even distribution of the pathogen in the complete lot of the hamburgers making them more vulnerable to infection. Thus, it is always strictly suggested to cook hamburgers medium-well to well-done. On the other hand, the steaks are only surface infected with bacteria and small and short episodes of heat exposure can directly kill these pathogens. Thus, it is suggested that cooking the steaks moderately is accepted in terms of food safety. Solution Please find the answers and explanations below: Why might one expect to find coliform in samples of meat? Answer: The animal intestine normally contains coliform bacteria but these do not pose any health hazard unless they penetrate the flesh/muscles. These bacteria are also eliminated from the intestine by the route of e.

Manning = number of shift x amount of partsSolutionManning = n.pdf

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its not visible.Solutionits not visible..pdf

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HUMORAL IMMUNE RESPONSECELLULAR IMMUNE RESPONSEIt destroys antig.pdf

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HUMORAL IMMUNE RESPONSE CELLULAR IMMUNE RESPONSE It destroys antigen outside of the cell in body fluids like blood and lymph. It destroys antigen inside the cells using T cells tagged with MHC marker. B cells produce memory cells which can provide future immunity. T cells are of two types- T helper cells- They do not destroy the infected cells or pathogens, but they activate other immune cells to do so. The major roles of T helper cells are to stimulate B cells to secrete antibodies, to activate phagocytes, to activate T killer cells and to enhance the activity of natural killer (NK) cells. They require MHC class II proteins to present the exogenous antigens. Cytotoxic T cells- They destroy the cells by inducing apoptosis infected by viruses, intracellular bacteria and certain types of cancers. They require MHC class I proteins to present the endogenous antigens. Intracellular pathogens are usually not detected by macrophages and antibodies, and clearance of infection depends upon elimination of infected cells by cytotoxic lymphocytes HUMORAL IMMUNE RESPONSE CELLULAR IMMUNE RESPONSE It destroys antigen outside of the cell in body fluids like blood and lymph. It destroys antigen inside the cells using T cells tagged with MHC marker.Apart from antigen binding the B cell, Interleukins or helper T cells costimulate the B cells and enable its activation and proliferation.B cells proliferate and produce plasma cells which bear antibodies with the identical antigen specificity as the antigen receptors of the activated B cells. The antibodies are released and circulate through the body, binding to the antigens.APC (Antigen presenting cells) display antigen to T cells.Interleukins (secreted by APCs or helper T cells) costimulate the activation of T cells based on the type of antigen. B cells produce memory cells which can provide future immunity. T cells are of two types- T helper cells- They do not destroy the infected cells or pathogens, but they activate other immune cells to do so. The major roles of T helper cells are to stimulate B cells to secrete antibodies, to activate phagocytes, to activate T killer cells and to enhance the activity of natural killer (NK) cells. They require MHC class II proteins to present the exogenous antigens. Cytotoxic T cells- They destroy the cells by inducing apoptosis infected by viruses, intracellular bacteria and certain types of cancers. They require MHC class I proteins to present the endogenous antigens. Intracellular pathogens are usually not detected by macrophages and antibodies, and clearance of infection depends upon elimination of infected cells by cytotoxic lymphocytes Solution HUMORAL IMMUNE RESPONSE CELLULAR IMMUNE RESPONSE It destroys antigen outside of the cell in body fluids like blood and lymph. It destroys antigen inside the cells using T cells tagged with MHC marker. B cells produce memory cells which can provide future immunity. T cells are of two types- T helper cells- They do not destroy the .

import java.util.ArrayList; import java.util.Scanner;public clas.pdf

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H2A(aq) + 2NaOH(aq) Na2A(aq) + 2H2O(l) x .pdf

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E=hc=hBSolutionE=hc=hB.pdf

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Correct option 4.You are studying a population of wild coyotes an.pdf

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Correct option: 4. You are studying a population of wild coyotes and notice that every three years there is an epidemic of a bacterial disease. Which of the following best explains this periodic cycling of the disease? 1. New coyotes are continuously born into the population. The statement is true but not the correct explanation. The population must have new offspring continuously so that the it remains existing after periodic epidemics each after 3 years. 2. Coyotes are dying from other causes over time. The statement is true but not the correct explanation. It may happen as a natural death, prey-predator relationships, other diseases, etc. 3. During an outbreak, the proportion of coyotes who are sick with the disease slowly falls as they recover. The statement is true but not the correct explanation. Since, the immunity of one coyotes may work differently from others; some may fall sick early while some may get sick late. However, epidemics can occur anytime once a sufficiently large pathogen load has been established by the infected (sick) members. Thus, this case does not show periodicity, most probability. 4. Coyotes from other populations, who have already caught and recovered from the disease, immigrate into the study population. The statement is true and is the correct explanation. Immigration (periodic) of recovered coyotes from other community into the study area may be responsible for the periodic appearance of epidemic in the study area. Solution Correct option: 4. You are studying a population of wild coyotes and notice that every three years there is an epidemic of a bacterial disease. Which of the following best explains this periodic cycling of the disease? 1. New coyotes are continuously born into the population. The statement is true but not the correct explanation. The population must have new offspring continuously so that the it remains existing after periodic epidemics each after 3 years. 2. Coyotes are dying from other causes over time. The statement is true but not the correct explanation. It may happen as a natural death, prey-predator relationships, other diseases, etc. 3. During an outbreak, the proportion of coyotes who are sick with the disease slowly falls as they recover. The statement is true but not the correct explanation. Since, the immunity of one coyotes may work differently from others; some may fall sick early while some may get sick late. However, epidemics can occur anytime once a sufficiently large pathogen load has been established by the infected (sick) members. Thus, this case does not show periodicity, most probability. 4. Coyotes from other populations, who have already caught and recovered from the disease, immigrate into the study population. The statement is true and is the correct explanation. Immigration (periodic) of recovered coyotes from other community into the study area may be responsible for the periodic appearance of epidemic in the study area..

Both the compounds mentioned are semiconductors. The atomic species .pdf

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Both the compounds mentioned are semiconductors. The atomic species required for making InAs (Indium Arsenide) is Indium which is is 3rd group element and Arsenic which is group 5th element. To make InSb(Indium Antimonide) the atomic species required is Indium which is 3rd group element and Antimony which is again 5th group element. InSb is a semiconductor which has narrow bandgap of 0.17ev at toom temperature. Owing to its low band gap it is generally used in infrared sensors application. Solution Both the compounds mentioned are semiconductors. The atomic species required for making InAs (Indium Arsenide) is Indium which is is 3rd group element and Arsenic which is group 5th element. To make InSb(Indium Antimonide) the atomic species required is Indium which is 3rd group element and Antimony which is again 5th group element. InSb is a semiconductor which has narrow bandgap of 0.17ev at toom temperature. Owing to its low band gap it is generally used in infrared sensors application..

The amount spent per person on health care in the U.S. is approximat.pdf

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b. Somatosensory association areaAssociation cortex is the cerebra.pdf

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b. Somatosensory association area Association cortex is the cerebral cortex outside the primaryareas. It is essential for mental functions that are more complex than detecting basic dimensions of sensory stimulation, for which primary sensory areas appear to be necessary. Solution b. Somatosensory association area Association cortex is the cerebral cortex outside the primaryareas. It is essential for mental functions that are more complex than detecting basic dimensions of sensory stimulation, for which primary sensory areas appear to be necessary..

b) 1Because the sum of the entire probability distribution is .pdf

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AnswerInterspecific hybridization causes difficulties in classify.pdf

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Answer: Interspecific hybridization causes difficulties in classifying species because the offspring produced through this breeding is due to result of breeding of two species of same genus. Therefore, species may become sterile some times and it may exhibit inherited features of both parents. Hybrid sterility of the offspring is going to make them to classify into any genus because sterility is going to prevent movement of genes from generation to another. Species such as mules, hinnis are resulted from interspecific hybridization therefore, “viable sexual gametes (meiosis is disrupted) are not generated from these organisms. Mules are cross breeds between horse and donkey; they contain 63 numbers of chromosomes (32 from horse, and 31 from donkey). 62 chromosomes are paired up and one remains unpaired (inherited from the horse). Mules are sterile because horse and donkey has different number of chromosomes and they are not homologues. Solution Answer: Interspecific hybridization causes difficulties in classifying species because the offspring produced through this breeding is due to result of breeding of two species of same genus. Therefore, species may become sterile some times and it may exhibit inherited features of both parents. Hybrid sterility of the offspring is going to make them to classify into any genus because sterility is going to prevent movement of genes from generation to another. Species such as mules, hinnis are resulted from interspecific hybridization therefore, “viable sexual gametes (meiosis is disrupted) are not generated from these organisms. Mules are cross breeds between horse and donkey; they contain 63 numbers of chromosomes (32 from horse, and 31 from donkey). 62 chromosomes are paired up and one remains unpaired (inherited from the horse). Mules are sterile because horse and donkey has different number of chromosomes and they are not homologues..

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