Theu.s. Contemporary Security Environment - 1527 Words

Introduction Cyberterrorism is a critical threat and is the most definitive characteristic of the U.S. contemporary security environment. For years, the American people have been victimized by cyber-attacks by having their personal information, emails, credit card, and banking information stolen by an invisible enemy named cyberterrorism. These types of attacks seem insignificant however; they are small examples of the vulnerabilities that our cyber world is experiencing. Our vulnerabilities are leaving our public officials in significant danger from cyber-attacks, as they are vulnerable to such things as the release of personal information and home addresses. All over the world people have either owned or used a computer and every†¦show more content†¦Today however, a new type of warfare has emerged and occurs when outside entities conduct an attack on a power grid, network, or both with the intent of causing damage. This type of warfare is called cyber warfare. In the United States computers control everything. It is no secret that hostile countries and terrorist organizations are cognizant and they know our economy, security, and infrastructure can be crippled by a successful cyber-attack. Examples of potential targets for cyber terrorists include military bases, water systems, banking facilities, air traffic control centers and power plants. Even the Commander in Chief, President Obama has stated the threat of a cyber war is real and we must prepare for it and increase our security measures. First, this paper will discuss cyberterrorism and cyber-attacks as they pose a direct threat to national security and the economy. Then, we will review cyber-attacks against the U.S. from China, Iran, and Russia along with the impact and possible ramifications from those attacks. Finally, this paper discusses U.S. strategies to minimize the impact of cyber-attacks. Cyber-Attacks China is responsible for cyber espionage against the U.S. resulting in significant damage to the U.S. economy. The Commission on the Theft of American Intellectual Property found that, China is responsible for up to 70% of incurred losses of the U.S. (Navarro 2016). The Center for Strategic and

The Contrast of Love and Hate in William Shakespeares...

The Contrast of Love and Hate in William Shakespeares Romeo and Juliet Romeo and Juliet is a love story that has more hostility and bloodshed than most of to days common television series. The play begins with an insurrection of the civilian people, ends with a double suicide, and in between of this hostility and bloodshed there is an act of three murders. All of this takes place in the duration of four petite days. In the love story of Romeo and Juliet it is frequent for love to turn to hate from one line to another. This indistinctness is reflected throughout Romeo and Juliet, whose language is riddled with oxymorons. O brawling love, O loving hate, Romeo cries in the plays very first†¦show more content†¦Romeo acknowledges his love was blind, Did my heart love till now? Forswear it, sight / For I neer saw true beauty till this night. Romeos begins to use religious imagery from this point on in the play. He begins by describing Juliet as a holy shrine. Romeo begins to move towards a more spiritual contemplation of love as he moves away from the overblown, overacted imagery of his love for Rosaline. Such otherworldly moments of the expression of true love never last long within this feuding society. The threat of violence instantaneously interrupts the romantic atmosphere created by Romeos sonnet when Tybalt recognizes Romeos voice and wants to eradicate him then and there. Although forced to accept Capulets judgment as head of the family to allow Romeo to stay, Tybalt utters a threat that indicates that he will take no notice of Capulets command. Act two scene six, Romeo and Juliet seal there love for each other by getting married. Romeo and Friar Laurence wait for Juliet. Friar Laurence warns Romeo about the impulsiveness of his decision to marry. 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Calcium carbonate Essay Example For Students

Calcium carbonate Essay Outline1 4.1INTRODUCTION2 4.2AIMS AND OBJECTIVES3 Chapter 24 5.THEORY A ; METHOLOGY5 5.1PRINCIPLE OF THE EXPERIMENT6 5.2APPARATUS AND EQUIPMENTS7 Mortar and pestle Conical flasksWhite tile8 Filter funnelFiltter paper25.00 cm3 pipette9 5.3CHEMICAL USED10 2 M HCl Phenolphthalein11 2 M NaOH12 5.4PROCEDURE13 Chapter 314 6.EXPERIMENTAL Consequence15 6.1THE COLOR CHANGE OF THE SOLUTION16 6.2THE TITRATION RESULT OF BROWN EGG17 6.3THE TITRATION RESULT OF WHITE EGG18 119 220 321 Volume of eggshells solution/cm322 25.0023 25.0024 25.0025 Volume of NaOH used/cm326 20.4027 20.3528 20.0029 Chapter 430 7.CLCULATIONS31 7.1CALCULATIONS32 7.1.1 FOR BROWN EGG33 7.1.2 FOR WHITE EGG34 Chapter 535 8.DISCUSSION AND CONCLUTION36 8.1CONCLUSION37 8.2DISCUSSION38 Beginning of mistakes39 9. Reference 4.1INTRODUCTION Calcium carbonate, CaCO3, is found in nature giving hardness and strength to things such as seashells, stones, and eggshells. Equally difficult as this substance is, it will respond readily with hydrochloric acid to give C dioxide gas ( and two other merchandises ) . In this experiment pupils will plan an experiment by responding eggshells with 2 M HCl to compare the Ca carbonate composing of white ( poulet ) eggshells to brown eggshells. A good quality eggshell will incorporate, on norm, 2.2 gms of Ca in the signifier of Ca carbonate. Approximately 94 % of a dry eggshell is calcium carbonate and has a typical mass of 5.5 grams,1 although these values can differ depending on beginnings. Sums every bit low as 78 % have been published. The staying mass is composed mostly of P and Mg, and hint sums of Na, K, Zn, manganese, Fe, and Cu. In the instance of brown versus white eggs, a unequivocal difference in Ca carbonate sums may be difficult to bring out. However, see this. The colour of the eggs is nil more than a consequence of a different strain. The quality, nutritionary value, and gustatory sensation are indistinguishable between white and brown eggs, though two noteworthy differences are size and monetary value. Brown eggs are normally larger and somewhat more expensive. The ground for the monetary value addition is because brown eggs come from larger biddies, which need to be fed more nutrient daily. With a larger c onsumption of Ca each twenty-four hours, one might anticipate the produced egg to hold a higher Ca carbonate content. However, since the eggs are larger, it must be kept in head that the Ca is spread over a larger surface country during egg formation. A brown eggshell s increased inclination to interrupt, when compared to white, is frequently attributed to this â€Å"thinning out† of Ca during deposition. To avoid the breakage of eggs before making market, the eggshells needs to be every bit strong as possible. The strength of eggshells is chiefly determined by the per centum of Ca carbonate in it. In order to supervise the quality of eggshells, the undermentioned experiment has to be done to find the per centum of Ca carbonate in eggshells.In this experiment, back titration is used. First, extra acid is reacted with the Ca carbonate in eggshells. 2HCl ( aq ) +CaCO3 ( s ) >CaCl2 ( aq ) +H2O ( cubic decimeter ) +CO2 ( g ) Subsequently, if we can happen out the figure of mole of unreacted acid, figure of mole of Ca carbonate can so be found out. The figure of mole of unreacted acid can be found by titration with the undermentioned reaction. HCl ( aq ) +NaOH ( aq ) >H2O ( cubic decimeter ) +NaCl ( aq ) Percentage by mass of Ca carbonate in eggshell can so be calculated by the undermentioned expression: 4.2AIMS AND OBJECTIVES The intent of this experiment is to find the per centum by mass of Ca carbonate in eggshells. .u102f971074d974732acb792f624554cd , .u102f971074d974732acb792f624554cd .postImageUrl , .u102f971074d974732acb792f624554cd .centered-text-area { min-height: 80px; position: relative; } .u102f971074d974732acb792f624554cd , .u102f971074d974732acb792f624554cd:hover , .u102f971074d974732acb792f624554cd:visited , .u102f971074d974732acb792f624554cd:active { border:0!important; } .u102f971074d974732acb792f624554cd .clearfix:after { content: ""; display: table; clear: both; } .u102f971074d974732acb792f624554cd { display: block; transition: background-color 250ms; webkit-transition: background-color 250ms; width: 100%; opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; background-color: #95A5A6; } .u102f971074d974732acb792f624554cd:active , .u102f971074d974732acb792f624554cd:hover { opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; background-color: #2C3E50; } .u102f971074d974732acb792f624554cd .centered-text-area { width: 100%; position: relative ; } .u102f971074d974732acb792f624554cd .ctaText { border-bottom: 0 solid #fff; color: #2980B9; font-size: 16px; font-weight: bold; margin: 0; padding: 0; text-decoration: underline; } .u102f971074d974732acb792f624554cd .postTitle { color: #FFFFFF; font-size: 16px; font-weight: 600; margin: 0; padding: 0; width: 100%; } .u102f971074d974732acb792f624554cd .ctaButton { background-color: #7F8C8D!important; color: #2980B9; border: none; border-radius: 3px; box-shadow: none; font-size: 14px; font-weight: bold; line-height: 26px; moz-border-radius: 3px; text-align: center; text-decoration: none; text-shadow: none; width: 80px; min-height: 80px; background: url(https://artscolumbia.org/wp-content/plugins/intelly-related-posts/assets/images/simple-arrow.png)no-repeat; position: absolute; right: 0; top: 0; } .u102f971074d974732acb792f624554cd:hover .ctaButton { background-color: #34495E!important; } .u102f971074d974732acb792f624554cd .centered-text { display: table; height: 80px; padding-left : 18px; top: 0; } .u102f971074d974732acb792f624554cd .u102f971074d974732acb792f624554cd-content { display: table-cell; margin: 0; padding: 0; padding-right: 108px; position: relative; vertical-align: middle; width: 100%; } .u102f971074d974732acb792f624554cd:after { content: ""; display: block; clear: both; } READ: Pretty Women Essaydesign an experiment that quantifies the sum of Ca carbonate nowadays in a natural substance. associate the sum of a reactant or merchandise of a chemical reaction to another reactant or merchandise. work collaboratively with their equals to work out a given job in the research lab in a manner that theoretical accounts the scientific method. use a common acid reaction between hydrochloric acid and the carbonate ion. Chapter 2 5.THEORY A ; METHOLOGY 5.1PRINCIPLE OF THE EXPERIMENT During this experiment, the per centum of CaCO3 in an eggshell is determined by responding the eggshell with hydrochloric acid. The equation for this reaction is: 2HCl ( aq ) + CaCO3 ( s ) >Ca2+ ( aq ) + CO2 ( g ) + H2O ( cubic decimeter ) + 2Cl- ( aq ) This reaction can non be used straight titrate with the CaCO3. Alternatively, an surplus of hydrochloric acid is added to fade out the eggshell, and the staying acid is titrated with NaOH solution to find the sum of acid that did non respond with the eggshell. The equation used to find the sum of remnant acid is: HCl ( aq ) + NaOH ( aq ) > H2O ( cubic decimeter ) + Na+ ( aq ) + Cl- ( aq ) 5.2APPARATUS AND EQUIPMENTS eaker Pipette FillerElectronicbalance Volumetric flaskBuretteWash bottle Mortar and pestle Conical flasksWhite tile Filter funnelFiltter paper25.00 cm3 pipette 5.3CHEMICAL USED 2 M HCl Phenolphthalein 2 M NaOH 5.4PROCEDURE White and Red coloring material eggshells have taken and the protein membrane was removed on the interior of the eggshells. The eggshell was washed with distilled H2O Dried in an oven for few proceedingss. The eggshell was so grounded into all right pulverization by howitzer and stamp. 2g of eggshell pulverization is weighted accurately by utilizing an electronic balance and it was transferred to a conelike flask. 25.00 cm3 of HCl was pipetted to fade out the eggshell pulverization. Distilled H2O was added to the flask until it reached about 100cm3. The flask was swirled gently. Put the solution into cubed for two yearss. Faltered the solution utilizing filter documents. Pippet out 25.00 cm3 from each solutions to titration flasks. The solution was so titrated with standardised NaOH. Repeat another two samples from each solution. Roll up the right burette readings at the terminal point. Chapter 3 6.EXPERIMENTAL Consequence 6.1THE COLOR CHANGE OF THE SOLUTION White egg Brown egg Colourless pink Colourless pink 6.2THE TITRATION RESULT OF BROWN EGG 1 2 3 Volume of eggshells solution/cm3 25.00 25.00 25.00 Volume of NaOH used/cm3 20.10 19.90 20.10 Average volume of NaOH used: ( 20.10+19.90+20.10 ) = 20.03cm33 6.3THE TITRATION RESULT OF WHITE EGG 1 2 3 Volume of eggshells solution/cm3 25.00 25.00 25.00 Volume of NaOH used/cm3 20.40 20.35 20.00 *Average volume of NaOH used: ( 20.40+20.35+20.00 ) =20.25cm33 Chapter 4 7.CLCULATIONS 7.1CALCULATIONS 2HCl ( aq ) + CaCO3 ( s ) >Ca2+ ( aq ) + CO2 ( g ) + H2O ( cubic decimeter ) + 2Cl- ( aq ) HCl ( aq ) + NaOH ( aq ) > H2O ( cubic decimeter ) + Na+ ( aq ) + Cl- ( aq ) 7.1.1 FOR BROWN EGG Number of moles of NaOH used to respond with HCl =20.03cm3 /1000 ) X2M = 40.06X 10-3 mol Since figure of moles of NaOH = figure of moles of HCl in 25cm3 =40.06 X 10-3 mol HCl mols in 100cm3 = 40.06 Ten 10-3 Ten 4 mol The initial no of moles of HCl: volume X molar concentration = 100/1000 X2M = 200X10-3 mol Number of moles of HCl used to respond with CaCO3 = ( 200X10-3 160.24X 10-3 ) mol = 39.76X10-3 mol Harmonizing to the equation, one mole of HCI required to respond with 2 moles of CaCO3, Number of moles of CaCO3 reacted =39.76X10- 3 /2 = 19.88X10-3 mol The weight of CaCO3 = 19.88X10-3g X100g The % of CaCO3 in eggshell ( brown ) = ( 1.988/2 ) X100 % =99.4 % 7.1.2 FOR WHITE EGG Number of moles of NaOH used to respond with HCl: ( 20.25cm3/1000 ) X2 = 40.50X10-3mol Since figure of moles of NaOH=number of moles of HCl in 25cm3 = 4.50X10-3mol HCl Volume in 100cm3 = 40.50 X10-3 X4 mol The initial moles of HCl: volume X molar concentration = 100/1000 X2M = 200X10-3 mol Number of moles of HCl used to respond with CaCO3: ( 200X10-3 162X10-3 ) mol = 38X10-3 mol Number of moles of CaCO3 reacted =38X10-3/2 = 19X10-3 mol The weight of CaCO3 = 19X10-3g X100 The % of CaCO3 in eggshell ( white ) = ( 1.9/2 ) X100 % =95.0 % Chapter 5 8.DISCUSSION AND CONCLUTION 8.1CONCLUSION Percentage of CaCO3 in ruddy eggshells= 99.4 % Percentage of CaCO3 in white eggshells= 95.0 % Therefore ruddy eggshells has the higher per centum of CaCO3. 8.2DISCUSSION Beginning of mistakes The eggshell pulverization did non fade out wholly Variation in ocular judgement at the terminal point Instrumental mistakes of the electronic balance The eggshell was non to the full dried Some droplets of solution may still adhere on the beaker and the glass rod which lead to the decrease in figure of moles of extra HCl In this Experiment we can besides make the EDTA titration. 9. Reference hypertext transfer protocol: //www.google.lk/search? hl=en A ; source=hp A ; q=caco3+percentage+in+eggshell A ; btnG=Google+Search A ; meta= A ; aq=f A ; oq= hypertext transfer protocol: //wwwchem.csustan.edu/chem1102/Egg.htm hypertext transfer protocol: //www.oppapers.com/essays/Determine-Percentage-Mass-Calcium-Carbonate-Eggshells/165593 hypertext transfer protocol: //ag.ansc.purdue.edu/poultry/multistate/koelkebeck1.htm

Streetlight Manifesto - Somewhere in the Between free essay sample

This album has been a long time coming. Streetlight Manifesto is known for its  ­perfectionism, which explains why this 10-track disk took four years to make. While a bit on the short side, it’s one of the best albums ever made, certainly the best that ska fans have heard in years. Ska bands are known to be generic; 90 percent of them sound almost identical, with offbeat  ­guitar parts (similar to those of  ­reggae), fast tempos, and horn sections with short interjections. Streetlight Manifesto transcends this mold with a rare combination of ska/punk and Eastern European genres like nothing listeners have heard  ­before. The only features that tie this band to the ska scene are its fan base and horn section. Featuring Matt Stewart on trumpet, Mike Soprano on trombone, and Jim Conti on  ­alto and tenor saxophone, the group is one of the best ever  ­assembled in a non-jazz environment. We will write a custom essay sample on Streetlight Manifesto Somewhere in the Between or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page And these guys can play; the horns are the driving force. Much of the credit also belongs to Tomas Kalnoky, the madman at the controls of this musical freight train. He writes the lyrics and composes the majority of the instrumentation on an acoustic guitar at odd hours of the night. As Kalnoky has said in album liner notes and interviews, he writes a chord progression on the guitar and hums a melody, which he then gives to the horn section to flesh out. While this may seem like a strange way to write  ­music, it certainly is effective. There is never a dull moment on this album. I have noticed that the average musician struggles with the art of transition. When changing tempo, key, or dynamic (or all three at once), most musicians tend to run astray. This is not the case with Streetlight Manifesto. Their tightness can be attributed to the band’s four years of touring. On â€Å"Somewhere in the Between,† every transition is executed perfectly. In fact, most listeners barely notice the changes. Even more impressive, their transitions are just as perfect live, a feat that few bands can boast. While every track is strong, the highlights are â€Å"Would You Be Impressed?† and â€Å"What a Wicked Gang Are We.† The hypnotic breakdown in the  ­former keeps the listener  ­entranced as the tension builds from barely audible guitar riffs and quiet vocals to wailing horn lines and screaming  ­vocals that declare, â€Å"I looked around, I stood alone, I knew what I had to say, I said it’s all my fault!† In the other song, the contemplative lyrics inspired by Shakespeare and soulful melodies of the horn section draw the album to a beautiful conclusion, leaving listeners wanting more. This is one of the most  ­talented groups out there. It is nearly impossible to find a weakness in this album. It is the modern equivalent of Pink Floyd’s â€Å"Dark Side of the Moon,† a masterpiece filled with subtle intricacies that  ­become more apparent with each listen. The best word to describe this music is â€Å"intense.† It is by no means easy listening, and it may seem loud and annoying at first, but I promise, once you get into Streetlight Manifesto, you will never get out.