Seminal Works Annotated Bibliography Example | Topics and Well Written Essays - 750 words

Seminal Works - Annotated Bibliography Example hysics has been one of the many philosophical fields which have been found interesting by the greatest of philosophies in the world over the past years. Having been able to develop for the longest time, it has been adopted in explaining very many things by man, and because of this it has been able to become a major field which has seen very many students behind it. While there are other fields and concepts of philosophy such as epistemology, the concept of metaphysics has been greatly considered as major concept which has a lot foundations in defining the qualities and existence of objects and beings, and because of that there have been other concepts which have been developed through itself, and a good example include expressionism and existentialism. â€Å"Films are created and written with intentional meanings embedded in almost all aspects such as settings, sets, props, music and even title and props.† These are used to persuade and pass a given message to the audience. Bound can be analyzed as a rhetorical artifact delivering the above qualities. Beginning with the title of the film ‘bound’, the viewer understands the lesbianism between Violet and Corky. The settings and sets in the film also represent the intended themes of the film. For example, Corky and Violet meet and Violet requests her to help in retrieving an earring. The characters in the film have also helped pass a given message thereby persuading the audience. Following the originality of metaphysics, man wanted to understand the concepts and manner in which human existence was, and how he did relate with the other objects and things having physical bodies and which existence in the world. As well, the non-existence of objects and materials would also become something worth understanding, and thus the field would come up with more foundations aimed at underpinning the major thoughts and understanding of the ancient philosophers with their metaphysics and epistemology. In present days, there

Partial molar property

Partial molar property INTRODUCTION A partial molar property is the contribution (per mole) that a substance makes to an overall property of a mixture. The easiest partial molar property to visualize is the partial molar volume, vj of a substance j the contribution j makes to the total volume of a mixture. we can see that although 1 mol of a substance has a characteristics volume when it is pure,1 mol of that substance can make different contributions to the total volume of a mixture because molecules pack together in different ways in the pure substance and in mixture. the partial molar volume at an intermediate composition of the watterethanol mixture is an indication of the volume the H2o molecules occupy when they are surrounded by a mixture of molecules representative of the overall composition(half water, half ethanol) for instance. when the molar fraction are both 0s. The partial molar volume, VJ, of any substance J at a general composition, is defined as: where the subscript n indicates that the amount of all the other substances is held constant. The partial molar is the slope of the plot of the total volume as the amount of J is changed with all other variables held constant: it is quite possible for the partial molar volume to be negative, as it would be at II in the above diagram. For example, the partial molar volume of magnesium sulphate in water is -1.4cm3 mol-1. i.e. addition of 1 mol MgSO4 to a large volume of water results in a decrease in volume of 1.4 cm3. (The contraction occurs because the salt breaks up the open structure of water as the ions become hydrated.) Once the partial molar volumes of the two components of a mixture at the composition and temperature of interest are known, the total volume of the mixture can be calculated from: The expression may be extended in an analogous fashion to mixtures with any number of components. The most common method of measuring partial molar volumes is to measure the dependence of the volume of a solution upon its composition. The observed volume can then be fitted to a function of the composition (usually using a computer), and the slope of this function can be determined at any composition of interest by differentiation. PARTIAL MOLAR GIBBS ENERGY The most useful partial molar quantity is the partial molar free energy Gi,pm. It is so useful that it is given the name of chemical potential and a separate sumbol  µi . the chemical potential is just another name for the molar Gibbs energy. For a substance in a mixture, the chemical potential is defined as being the partial molar Gibbs energy: i.e. the chemical potential is the slope of a plot of the Gibbs energy of the mixture against the amount of component J, with all other variables held constant: In the above plot, the partial molar Gibbs energy is greater at I than at II. The total Gibbs energy of a binary mixture is given by: where the sum is across all the different substances present in the mixture, and the chemical potentials are those at the composition of the mixture. This indicates that the chemical potential of a substance in a mixture is the contribution that substance makes to the total Gibbs energy of the mixture. In general, the Gibbs energy depends upon the composition, pressure and temperature. Thus G may change when any of these variables alter, so for a system that has components A, B, etc, it is possible to rewrite the equation dG = Vdp SdT (which is a general result that was derived here) as follows: The idea that the changing composition of a system can do work should be familiar this is what happens in an electrochemical cell, where the two halves of the chemical reaction are separated in space (at the two electrodes) and the changing composition results in the motion of electrons through a circuit, which can be used to do electrical work. it is possible to use the relationships between G and H, and G and U, to generate the following relations: Now H=U+PV To measure partial molar volumes There are several ways that partial molar volumes can be measured. One way is to begin with one mole of a compound, call it component 1, add a small amount of component 2 and measure the volume, add a little more of component 2 and measure the volume again. Keep doing this until the desired concentration range has been covered. Then fit the volume data to a curve, for example, of the form, The constants, a, b, c, etc are obtained from the curve fitting and the first term is the molar volume of pure component 1. Then the partial molar volume of component 2 can be obtained by direct differentiation, Ideal Solutions We will define an ideal solution as a solution for which the chemical potential of each component is given by, whereis the chemical potential of pure component i, and Xi is the mole fraction of component i in the solution. whereis the vapor pressure of pure component i.) We have to prove that an ideal solution obeys Raoults law (using definition). Consider a solution of two components where the mole fraction of component 1 is X1. We know that the chemical potential of component 1 must be the same in the solution as in the vapor in equilibrium with the solution. That is, Equation 10 doesnt help us very much all by itself. However we have some more information. We know that for the pure component 1 we have X1 = 1, and we know that the pressure of component 1 vapor in equilibrium with the liquid is just the vapor pressure of the pure liquid, p1*, so that, which is Raoults law. [5]Chemical potential of an ideal gas the chemical potential  µ of an ideal gas at a given temperature is related to its pressure p through eq.  µ= µ + RT ln(p/p0) (15) where  µo is the standard chemical potential when the when the pressure of the gas is po, equation 15 suggest that at a given temperature, the pressure of the gas is a measure of its chemical potential. if inequalities in pressure exist in a gas container, the gas flows spontaneously from the high pressure region to the lower pressure region until the pressure is equalized throughout the vessel. In the later stage, the gas has the same value of chemical potential throughout the container. IMPORTANCE OF CHEMICAL POTENTIAL The chemical potentials are the key properties in chemical thermodynamics. the  µi determine reaction equilibrium and phase equilibrium. Moreover, all other partial molar properties and all thermodynamics properties of the solution can be found from the  µi ‘s APPLICATIONS Partial molar properties are useful because chemical mixtures are often maintained at constant temperature and pressure and under these conditions, the value of any extensive property can be obtained from its partial molar property. They are especially useful when considering specific properties of pure substances (that is, properties of one mole of pure substance) and properties of mixing. Δmix H ≠¡ H H*, Δ mixS≠¡ S S*, ΔmixG≠¡G G* Where H,S and G are properties of the solutions and H*,S*, And G* are properties of the pure unmixed components at the same T and P as the solution. the key mixing quantity is ΔmixG =G G*. The Gibbs energy G of the solution is G=iGi(where Gi is a partial molar quantity). The gibbs energy G* of the unmixed components is G*=iG*m,i(where G*m,i is the molar Gibbs energy of pure substance i). Therefore ΔmixG≠¡ G G* = i(Gi G*m,i) const T,P (1) which is similar for ΔmixV. we have ΔmixG = ΔmixH TΔmixS const T,P (2) which is a special case of ΔG =ΔH TΔS at constant T. ΔmixS and ΔmixV can be found as partial derivatives of ΔmixG. Taking (T,nj of eq(1), we have = i G*m,i) = i T,nj = i(Vi V*m,i) T,nj =ΔmixV (3) The changes ΔmixV, ΔmixU, ΔmixH, ΔmixCp that accompany solution formation are due entirely to changes in intermolecular interactions( both energetic and structural). However, changes in S,A and G result not only from changes in intermolecular interactions but also from the unavoidable increase in entropy that accompanies the constant T and P mixing of substance and the simultaneous increase in volume each component occupies. Even if the intermolecular interactions in the solution are the same as in the pure substances, ΔmixS and ΔmixG will still be no zero. GIBBS- DUHEM EQUATION A relation that imposes a condition on the composition variation of the set of chemical potentials of a system of two or more components, where Sis entropy, Tabsolute temperature ,Ppressure, nithe number of moles of the ith component, and ÃŽ ¼iis the chemical potential of the ith component. Also known as Duhems equation. Deriving the Gibbs-Duhem equation for volume. The total differential of the Gibbs free energy in terms of its natural variables is With the substitution of two of the Maxwell relations and the definition of chemical potential, this is transformed into: the chemical potential is just another name for the partial molar (or just partial, depending on the units of N) Gibbs free energy, thus The total differential of this expression is Subtracting the two expressions for the total differential of the Gibbs free energy gives the Gibbs-Duhem relation: FUGACITY The presences of molecular interactions distinguish the real gases from ideal gases where the molecular interactions are completely absent. For a real gas Vm ≠  RT/P and hence d µÃ¢â€°  RT d ln P. Since the ideal gas equations are not directly applicable to real gases, we are faced with a problem. We can either sacrifice the equations or the variable. If we abandon the general equation of chemical potential then we have to use various equation of state fitting with P-V-T data. The use of such equations of state will make the treatment more complicated. So we find it easier to retain the general form of the chemical potential and to define a new variable which has the dimensions and general properties of pressure. The new variable is called the fugacity, which is derived from the Latin fugere, to flee, and means literally ‘escaping tendency. It is denoted by f. it is a corrected pressure which applies to real gases. all the effects arising due to interactions are containe d in f. the chemical potential of a pure real gas can be expressed in a form  µ= µo + RT ln(f/atm)  µo is the standard chemical potential at unit fugacity. at very low pressure . the ratio (f/p) = ÃŽ ³ is called the fugacity coefficient. for an ideal gas f=p and the fugacity coefficient is unity. with this definition of the fugacity we may now express the chemical potential as:  µ= µo + RT ln(ÃŽ ³P/atm) =  µo + RT ln(P/atm) + RT ln ÃŽ ³ on compairing this expression with that for an ideal gas[ µideal =  µo + RT ln(P/atm) Condition of fugacity of a gas Let us consider the relation d µ= VmdP d µ = Vm(ideal)dP and d µ(real) = Vm(real) dP Let us consider a change in the state of the system from an initial pressure P ´ to a final pressure P, and let f ´ be the fugacity of the real gas at pressure P ´ and f the fugacity at pressure P. Integration of the expression for chemical potential yields (ideal) = m(ideal)dP or  µ(ideal)  µÃ‚ ´(ideal) = m(ideal)dP and  µ(real)  µÃ‚ ´(real) = m(real)dP but for an ideal gas the chemical potential is given by  µ(ideal) =  µo(ideal) + RT ln(P/atm)  µÃ‚ ´(ideal) =  µo(ideal) + RT ln(P ´/atm)  µo is the standard chemical potential.  µ(ideal)-  µÃ‚ ´(ideal) = RT ln(P/P ´) = m(ideal)dP (1) For the real gas  µ(real) =  µo(real) + RT ln(f/atm) and  µÃ‚ ´(real) =  µo(real) + RTln(f/atm)  µ(real)  µÃ‚ ´(real) = RT ln(f/atm) RT ln(f ´/atm) = RT ln(f/f ´) = m(ideal)dP (2) Taking the difference of equation (2) and (1), we get RT ln(f/f ´) RT ln(P/P ´) = m(real) Vm(ideal)]dP or RT ln(f/P) RT ln(f ´/P ´) = m(real) Vm(ideal)]dP (3) where = Vm(ideal) Vm(real) now, = + RT ln(f/p) RT ln(f ´/P ´) = + (4) If the pressure P ´ is very low then the gas will behave ideally and for this condition Vm(ideal) ≈ Vm(real) and = 1, The second term or left side and right side of equation (4) will be equated to zero, therefore RT ln(f/P) = or ln(f/P) = -1/RT Antilograthim gives (f/P) = exp or f= P exp( = P exp[Vm(real) Vm(ideal) )]dP (5) SUMMARY we had covered in this term paper about partial molar properties one important thing is The properties of a solution are not additive properties, it means volume of solution is not the sum of pure components volume. When a substance becomes a part of a solution it looses its identity but it still contributes to the property of the solution. The term partial molar property is used to designate the component property when it is a mixture with one or more component solution. the most important partial molar quantity is the partial molar free energy it is an intensive property because it is a molar quantity.it is denoted by  µi.now we also know that how to measure the partial volume. and then the ideal solution is the solution in which the components in pure form here we take the pure components of chemical potential . then the applications of partial molar property is the property of mixing which is very useful. it is defined in term paper and the important concept Gibbs duhem equation A relation that imposes a condition on the composition variation of the set of chemical potentials of a system of two or more components physical significance is that if the composition varies,the chemical potentials do not change independently but in a related way.and then included fugacity another important part of partial molar properties. The fugacity f plays the role of pressure and need not be equal to the actual pressure of the real gas. RESULT The overall result is the partial molar property is not of all about pure components. The term partial molar property is used to designate the component property when it is a mixture with one or more component solution. and also find out the chemical potential other name of gibbs energy and about ideal gases, fugacity.

British Serial Killer Essay -- Psychology, Allitt

She is best known as the famous notorious British serial killer. Her crimes horrified and sickened many British families. I first heard about Beverly Allitt when I was watching TruTV. The show had a feature on Allitt and her crimes, this instantaneously caught my attention. The fact that a nurse would intentionally harm children seemed immensely ironic and riveting to me. In my eyes, a nurse was someone who cared and showed concern for a patient. Not someone who intentionally caused anguish and trauma upon innocent children. Coming into this topic, I didn’t know much about the scandalous nurse. I scarcely knew about her history and background. I had heard that Allitt was mentally sick and had suffered some obstacles during her childhood. I also knew that her main way of killing was through over doses of insulin, and that she worked at a ward for infants. The speculations that Allitt suffered from an odd mental illness always intrigued me. I’ve always had many questions about Allitt and her murders. Like, why the children were killed and why they were so young? Children would’ve been easy targets for Allitt. Since most children are smaller than most adults, it would be easier for an adult to over power a child. Also, young children are innocent and might not realize what is happening in there surroundings. This leads me to my next question, how many children were killed and how were they killed? From my small knowledge of Allits history, I thought that she had killed five children. I also knew, that her main way of killing was through large amounts of potassium or insulin. Allit’s murder weapons were easily accessible to her. I’ve always wondered if Allitt really had a mental disorder, or if she was faking it for sympathy. I t... ...lthy appendix; she then plucked at her surgical scar, causing it not to heal correctly. Allitt had been in the hospital for numerous reasons. She complained of â€Å"gall bladder pain, headaches, urinary infections, uncontrolled vomiting, blurred vision, minor injuries, appendicitis, back trouble, and ulcers†(Ramsland 2). When she was hospitalized in 1991, Allitt puzzled nurses when she â€Å"tampered with the thermometer to produce [perplexing] readings, and [also] punctured her right breast to inject herself with water† (Ramsland 2). While working at the ward, Allitt was known for doing weird things. She was suspected of â€Å"smearing feces on the walls and putting it into the refrigerator for others to find† When Beverly was convicted of her murders; she cut herself with paperclips, and burned herself with hot water. She was later placed in a mental ward for her own safety.

Digital Fortress Chapter 123-126

Chapter 123 An ashen technician ran to the podium. â€Å"Tunnel block's about to go!† Jabba turned to the VR onscreen. The attackers surged forward, only a whisker away from their assault on the fifth and final wall. The databank was running out of time. Susan blocked out the chaos around her. She read Tankado's bizarre message over and over. PRIME DIFFERENCE BETWEEN ELEMENTS RESPONSIBLE FOR HIROSHIMA AND NAGASAKI â€Å"It's not even a question!† Brinkerhoff cried. â€Å"How can it have an answer?† â€Å"We need a number,† Jabba reminded. â€Å"The kill-code is numeric.† â€Å"Silence,† Fontaine said evenly. He turned and addressed Susan. â€Å"Ms. Fletcher, you've gotten us this far. I need your best guess.† Susan took a deep breath. â€Å"The kill-code entry field accepts numerics only. My guess is that this is some sort of clue as to the correct number. The text mentions Hiroshima and Nagasaki-the two cities that were hit by atomic bombs. Maybe the kill-code is related to the number of casualties, the estimated dollars of damage†¦Ã¢â‚¬  She paused a moment, rereading the clue. â€Å"The word ‘difference' seems important. The prime difference between Nagasaki and Hiroshima. Apparently Tankado felt the two incidents differed somehow.† Fontaine's expression did not change. Nonetheless, hope was fading fast. It seemed the political backdrops surrounding the two most devastating blasts in history needed to be analyzed, compared, and translated into some magic number†¦ and all within the next five minutes. Chapter 124 â€Å"Final shield under attack!† On the VR, the PEM authorization programming was now being consumed. Black, penetrating lines engulfed the final protective shield and began forcing their way toward its core. Prowling hackers were now appearing from all over the world. The number was doubling almost every minute. Before long, anyone with a computer-foreign spies, radicals, terrorists-would have access to all of the U.S. government's classified information. As technicians tried vainly to sever power, the assembly on the podium studied the message. Even David and the two NSA agents were trying to crack the code from their van in Spain. PRIME DIFFERENCE BETWEEN ELEMENTS RESPONSIBLE FORHIROSHIMA AND NAGASAKI Soshi thought aloud. â€Å"The elements responsible for Hiroshima and Nagasaki†¦ Pearl Harbor? Hirohito's refusal to†¦Ã¢â‚¬  â€Å"We need a number,† Jabba repeated, â€Å"not political theories. We're talking mathematics-not history!† Soshi fell silent. â€Å"How about payloads?† Brinkerhoff offered. â€Å"Casualties? Dollars damage?† â€Å"We're looking for an exact figure,† Susan reminded. â€Å"Damage estimates vary.† She stared up at the message. â€Å"The elements responsible†¦Ã¢â‚¬  Three thousand miles away, David Becker's eyes flew open. â€Å"Elements!† he declared. â€Å"We're talking math, not history!† All heads turned toward the satellite screen. â€Å"Tankado's playing word games!† Becker spouted. â€Å"The word ‘elements' has multiple meanings!† â€Å"Spit it out, Mr. Becker,† Fontaine snapped. â€Å"He's talking about chemical elements-not sociopolitical ones!† Becker's announcement met blank looks. â€Å"Elements!† he prompted. â€Å"The periodic table! Chemical elements! Didn't any of you see the movie Fat Man and Little Boy-about the Manhattan Project? The two atomic bombs were different. They used different fuel-different elements!† Soshi clapped her hands. â€Å"Yes! He's right! I read that! The two bombs used different fuels! One used uranium and one used plutonium! Two different elements!† A hush swept across the room. â€Å"Uranium and plutonium!† Jabba exclaimed, suddenly hopeful. â€Å"The clue asks for the difference between the two elements!† He spun to his army of workers. â€Å"The difference between uranium and plutonium! Who knows what it is?† Blank stares all around. â€Å"Come on!† Jabba said. â€Å"Didn't you kids go to college? Somebody! Anybody! I need the difference between plutonium and uranium!† No response. Susan turned to Soshi. â€Å"I need access to the Web. Is there a browser here?† Soshi nodded. â€Å"Netscape's sweetest.† Susan grabbed her hand. â€Å"Come on. We're going surfing.† Chapter 125 â€Å"How much time?† Jabba demanded from the podium. There was no response from the technicians in the back. They stood riveted, staring up at the VR. The final shield was getting dangerously thin. Nearby, Susan and Soshi pored over the results of their Web search. â€Å"Outlaw Labs?† Susan asked. â€Å"Who are they?† Soshi shrugged. â€Å"You want me to open it?† â€Å"Damn right,† she said. â€Å"Six hundred forty-seven text references to uranium, plutonium, and atomic bombs. Sounds like our best bet.† Soshi opened the link. A disclaimer appeared. The information contained in this file is strictly for academic use only. Any layperson attempting to construct any of the devices described runs the risk of radiation poisoning and/or self-explosion. â€Å"Self-explosion?† Soshi said. â€Å"Jesus.† â€Å"Search it,† Fontaine snapped over his shoulder. â€Å"Let's see what we've got.† Soshi plowed into the document. She scrolled past a recipe for urea nitrate, an explosive ten times more powerful than dynamite. The information rolled by like a recipe for butterscotch brownies. â€Å"Plutonium and uranium,† Jabba repeated. â€Å"Let's focus.† â€Å"Go back,† Susan ordered. â€Å"The document's too big. Find the table of contents.† Soshi scrolled backward until she found it. I. Mechanism of an Atomic Bomb A) Altimeter B) Air Pressure Detonator C) Detonating Heads D) Explosive Charges E) Neutron Deflector F) Uranium Plutonium G) Lead Shield H) Fuses II. Nuclear Fission/Nuclear Fusion A) Fission (A-Bomb) Fusion (H-Bomb) B) U-235, U-238, and Plutonium III. History of the Atomic Weapons A) Development (The Manhattan Project) B) Detonation 1) Hiroshima 2) Nagasaki 3) By-products of Atomic Detonations 4) Blast Zones â€Å"Section two!† Susan cried. â€Å"Uranium and plutonium! Go!† Everyone waited while Soshi found the right section. â€Å"This is it,† she said. â€Å"Hold on.† She quickly scanned the data. â€Å"There's a lot of information here. A whole chart. How do we know which difference we're looking for? One occurs naturally, one is man-made. Plutonium was first discovered by-â€Å" â€Å"A number,† Jabba reminded. â€Å"We need a number.† Susan reread Tankado's message. The prime difference between the elements†¦ the difference between†¦ we need a number†¦ â€Å"Wait!† she said. â€Å"The word ‘difference' has multiple meanings. We need a number-so we're talking math. It's another of Tankado's word games-‘difference' means subtraction.† â€Å"Yes!† Becker agreed from the screen overhead. â€Å"Maybe the elements have different numbers of protons or something? If you subtract-† â€Å"He's right!† Jabba said, turning to Soshi. â€Å"Are there any numbers on that chart? Proton counts? Half-lives? Anything we can subtract?† â€Å"Three minutes!† a technician called. â€Å"How about supercritical mass?† Soshi ventured. â€Å"It says the supercritical mass for plutonium is 35.2 pounds.† â€Å"Yes!† Jabba said. â€Å"Check uranium! What's the supercritical mass of uranium?† Soshi searched. â€Å"Um†¦ 110 pounds.† â€Å"One hundred ten?† Jabba looked suddenly hopeful. â€Å"What's 35.2 from 110?† â€Å"Seventy-four point eight,† Susan snapped. â€Å"But I don't think-â€Å" â€Å"Out of my way,† Jabba commanded, plowing toward the keyboard. â€Å"That's got to be the kill-code! The difference between their critical masses! Seventy-four point eight!† â€Å"Hold on,† Susan said, peering over Soshi's shoulder. â€Å"There's more here. Atomic weights. Neutron counts. Extraction techniques.† She skimmed the chart. â€Å"Uranium splits into barium and krypton; plutonium does something else. Uranium has 92 protons and 146 neutrons, but-â€Å" â€Å"We need the most obvious difference,† Midge chimed in. â€Å"The clue reads ‘the primary difference between the elements.' â€Å" â€Å"Jesus Christ!† Jabba swore. â€Å"How do we know what Tankado considered the primary difference?† David interrupted. â€Å"Actually, the clue reads prime, not primary.† The word hit Susan right between the eyes. â€Å"Prime!† she exclaimed. â€Å"Prime!† She spun to Jabba. â€Å"The kill-code is a prime number! Think about it! It makes perfect sense!† Jabba instantly knew Susan was right. Ensei Tankado had built his career on prime numbers. Primes were the fundamental building blocks of all encryption algorithms-unique values that had no factors other than one and themselves. Primes worked well in code writing because they were impossible for computers to guess using typical number-tree factoring. Soshi jumped in. â€Å"Yes! It's perfect! Primes are essential to Japanese culture! Haiku uses primes. Three lines and syllable counts of five, seven, five. All primes. The temples of Kyoto all have-â€Å" â€Å"Enough!† Jabba said. â€Å"Even if the kill-code is a prime, so what! There are endless possibilities!† Susan knew Jabba was right. Because the number line was infinite, one could always look a little farther and find another prime number. Between zero and a million, there were over 70,000 choices. It all depended on how large a prime Tankado decided to use. The bigger it was, the harder it was to guess. â€Å"It'll be huge.† Jabba groaned. â€Å"Whatever prime Tankado chose is sure to be a monster.† A call went up from the rear of the room. â€Å"Two-minute warning!† Jabba gazed up at the VR in defeat. The final shield was starting to crumble. Technicians were rushing everywhere. Something in Susan told her they were close. â€Å"We can do this!† she declared, taking control. â€Å"Of all the differences between uranium and plutonium, I bet only one can be represented as a prime number! That's our final clue. The number we're looking for is prime!† Jabba eyed the uranium/plutonium chart on the monitor and threw up his arms. â€Å"There must be a hundred entries here! There's no way we can subtract them all and check for primes.† â€Å"A lot of the entries are nonnumeric,† Susan encouraged. â€Å"We can ignore them. Uranium's natural, plutonium's man-made. Uranium uses a gun barrel detonator, plutonium uses implosion. They're not numbers, so they're irrelevant!† â€Å"Do it,† Fontaine ordered. On the VR, the final wall was eggshell thin. Jabba mopped his brow. â€Å"All right, here goes nothing. Start subtracting. I'll take the top quarter. Susan, you've got the middle. Everybody else split up the rest. We're looking for a prime difference.† Within seconds, it was clear they'd never make it. The numbers were enormous, and in many cases the units didn't match up. â€Å"It's apples and goddamn oranges,† Jabba said. â€Å"We've got gamma rays against electromagnetic pulse. Fissionable against unfissionable. Some is pure. Some is percentage. It's a mess!† â€Å"It's got to be here,† Susan said firmly. â€Å"We've got to think. There's some difference between plutonium and uranium that we're missing! Something simple!† â€Å"Ah†¦ guys?† Soshi said. She'd created a second document window and was perusing the rest of the Outlaw Labs document. â€Å"What is it?† Fontaine demanded. â€Å"Find something?† â€Å"Um, sort of.† She sounded uneasy. â€Å"You know how I told you the Nagasaki bomb was a plutonium bomb?† â€Å"Yeah,† they all replied in unison. â€Å"Well†¦Ã¢â‚¬  Soshi took a deep breath. â€Å"Looks like I made a mistake.† â€Å"What!† Jabba choked. â€Å"We've been looking for the wrong thing?† Soshi pointed to the screen. They huddled around and read the text: †¦the common misconception that the Nagasaki bomb was a plutonium bomb. In fact, the device employed uranium, like its sister bomb in Hiroshima. â€Å"But-† Susan gasped. â€Å"If both elements were uranium, how are we supposed to find the difference between the two?† â€Å"Maybe Tankado made a mistake,† Fontaine ventured. â€Å"Maybe he didn't know the bombs were the same.† â€Å"No.† Susan sighed. â€Å"He was a cripple because of those bombs. He'd know the facts cold.† Chapter 126 â€Å"One minute!† Jabba eyed the VR. â€Å"PEM authorization's going fast. Last line of defense. And there's a crowd at the door.† â€Å"Focus!† Fontaine commanded. Soshi sat in front of the Web browser and read aloud. †¦Nagasaki bomb did not use plutonium but rather an artificially manufactured, neutron-saturated isotope of uranium 238.† â€Å"Damn!† Brinkerhoff swore. â€Å"Both bombs used uranium. The elements responsible for Hiroshima and Nagasaki were both uranium. There is no difference!† â€Å"We're dead,† Midge moaned. â€Å"Wait,† Susan said. â€Å"Read that last part again!† Soshi repeated the text. â€Å"†¦artificially manufactured, neutron-saturated isotope of uranium 238.† â€Å"238?† Susan exclaimed. â€Å"Didn't we just see something that said Hiroshima's bomb used some other isotope of uranium?† They all exchanged puzzled glances. Soshi frantically scrolled backward and found the spot. â€Å"Yes! It says here that the Hiroshima bomb used a different isotope of uranium!† Midge gasped in amazement. â€Å"They're both uranium-but they're different kinds!† â€Å"Both uranium?† Jabba muscled in and stared at the terminal. â€Å"Apples and apples! Perfect!† â€Å"How are the two isotopes different?† Fontaine demanded. â€Å"It's got to be something basic.† Soshi scrolled through the document. â€Å"Hold on†¦ looking†¦ okay†¦Ã¢â‚¬  â€Å"Forty-five seconds!† a voice called out. Susan looked up. The final shield was almost invisible now. â€Å"Here it is!† Soshi exclaimed. â€Å"Read it!† Jabba was sweating. â€Å"What's the difference! There must be some difference between the two!† â€Å"Yes!† Soshi pointed to her monitor. â€Å"Look!† They all read the text: †¦two bombs employed two different fuels†¦ precisely identical chemical characteristics. No ordinary chemical extraction can separate the two isotopes. They are, with the exception of minute differences in weight, perfectly identical. â€Å"Atomic weight!† Jabba said, excitedly. â€Å"That's it! The only difference is their weights! That's the key! Give me their weights! We'll subtract them!† â€Å"Hold on,† Soshi said, scrolling ahead. â€Å"Almost there! Yes!† Everyone scanned the text. †¦difference in weight very slight†¦ †¦gaseous diffusion to separate them†¦ †¦10,032498X10?134 as compared to 19,39484X10?23.** â€Å"There they are!† Jabba screamed. â€Å"That's it! Those are the weights!† â€Å"Thirty seconds!† â€Å"Go,† Fontaine whispered. â€Å"Subtract them. Quickly.† Jabba palmed his calculator and started entering numbers. â€Å"What's the asterisk?† Susan demanded. â€Å"There's an asterisk after the figures!† Jabba ignored her. He was already working his calculator keys furiously. â€Å"Careful!† Soshi urged. â€Å"We need an exact figure.† â€Å"The asterisk,† Susan repeated. â€Å"There's a footnote.† Soshi clicked to the bottom of the paragraph. Susan read the asterisked footnote. She went white. â€Å"Oh†¦ dear God.† Jabba looked up. â€Å"What?† They all leaned in, and there was a communal sigh of defeat. The tiny footnote read: **12% margin of error. Published figures vary from lab to lab.

Business Research Part

The fitness bands make is fairly ass for anyone with a weight loss or health goal to measure and track their exercise to include steps taken daily, and amount of energy and calories burned. N.B. has formed a team to research the accuracy and impact of wearing the fuel band. The primary benefit of the fuel band is intended to be to assist in helping consumers track their activity in order to lose weight. To ensure this is benefit is being achieved N.B. needs to show that as a person's activity level increases so does the number of calories they are burning. Hypothesis Statements 1 .The use of a fitness band to track activity will lead to increased activity (steps taken and distance covered) resulting in weight loss. 2. The accuracy of the fitness band will allow individuals a way to know the level of their daily output and input in order for them to reach their fitness goals. Research In preparing for this study there was a particular questions that guided the overall thinking. What i mpact does a fitness band have on a users overall general health? By displaying data concerning daily activity such as steps taken, distance covered, calories burned and hours slept can a user gain an wariness of their overall activity?With this is mind it is important to look back on the information that is currently available to us. There have been extensive studies conducted in this realm since the fitness band has emerged into the health and fitness industry. The team independently went out and reviewed this research to find what would be relevant to establishing this research plan. These range in review of the accuracy of the band on activity, the motivating factor it has on calorie counting, and the overall performance of the various bands on the market.In several of the articles it was evident that when aging walking activity fitness bands perform as desired. The Journal of Science and Medicine in Sports (2014) published a study where a sample of adults used fitness bands whi le walking on the treadmill at various speeds. Upon completion of the study it was deemed the no â€Å"significant differences were noted† between the fitness bands count and that of the observer counts, therefore a high level of inter-device reliability was present (Journal of Science and Medicine in Sports, 2014).Establishing that a fitness and has high reliability it accurately displaying activity solidified the choice of our dependent variable. Next we need establish that our independent variable were what we wanted to be based on the various other research out there. Mossier put forth a study in 2014 about the emerging importance technology would play in tracking activity (Mossier, 2014). The study discussed when a user accurately tracks activity and calorie intake it is an effective strategy for improved goal setting and overall health. This helped lead us in the direction of with increased awareness of activity does weight loss result?An article by Richards would say i t does but with modest results in short term use (Annals of Family Medicine, 2008). This article discussed the Cross- sectional studies show that individuals who walk more tend to be thinner than those who walk less. This does not mean, however, that the association between higher step counts and lower weight is causal or that encouraging sedentary individuals to increase step counts helps them lose weight. The study showed that 5 or more adult participants and at least 1 cohort enrolled in a pedometer-based walking intervention lasting at least 4 weeks.