Experiment 18 Chemistry 101 Redox Titration: Determination of the Percentage of Iron in a Sample INTRODUCTION The concentrations of redox-active species can be determined by redox titrations. In a redox titration‚ a measured sample of the unknown is titrated against a standard solution of a substance that will oxidize or reduce the unknown. In the present experiment you will take a sample containing iron‚ add acid to dissolve it [thereby converting all the iron to iron(II)]‚ then
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From my task analysis I have found that I have to design and make either an IPod docking station‚ phone charging stand‚ low voltage light or a radio and the chosen product must be styled in eras from the last 100 years. I also found the different design styles in the last 100 years which is Art Deco‚ Art Nouveau‚ Bauhaus or Arts and Crafts. .From my investigation on the questionnaire result I have found that I will design and make an IPod docking station in the style of art deco made of multi products
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Pakistan and its Chronic Unemployment Pakistan is a nation that has been plagued by many problems throughout it’s more than 6 decades of existence. But one problem that has plagued it persistently is that of unemployment. It has an unemployment rate of 15.4% and ranks on 152/199 on the world employment table. Having one of the world’s largest populations also means that this 15.4% is a very large number in its own right. Now we know some basic problems as to why there is so much unemployment in
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Sports are an essential and important aspect of American society; they are indispensible when it comes to their impact on a plethora of public arenas‚ including economics and the mass media. Sport coincides with community values and political agencies‚ as it attempts to define the morals and ethics attributed not only to athletes‚ but the totality of society as a whole. Fans of spectator sports find a reaffirmation of key societal values through sports‚ as they give meaning to their own lives. “By
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1. Why are there two of each chromosome in a normal karyotype? Answer: There are two of each chromosome in a normal karyotype because you Receive one from your mother and from your father. 2. Why are the consequences of chromosomal alterations referred to as “syndromes” and not diseases? Answer: The consequences of chromosomal alterations are referred to as syndromes and not diseases because you do not catch them and there aren’t contagious.
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Types of Cryptographic Attacks Eric Conrad Types of Cryptographic Attacks Introduction Cryptographic attacks are designed to subvert the security of cryptographic algorithms‚ and they are used to attempt to decrypt data without prior access to a key. They are part of Cryptanalysis‚ which is the art of deciphering encrypted data. Cryptanalysis and Cryptography (the art of creating hidden writing‚ or ciphers) form the science of Cryptology. Cryptographic Attack Methods There are six
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Attacks on layer two of the OSI model Seven layers of OSI In 1977 a model called Open Systems Interconnection (OSI) was proposed‚ with the aim to establish an interoperability standard for different vendor products. This model defines several layers related to data transfer‚ from the lowest (physical) to the highest (application) layer. They have a strong dependence upon one another and headers are usually added when traversing from a lower layer to a higher one. The seven layers are: Layer 1 -
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26/11 Mumbai Attacks Terrorism can be found all over the world. Terrorists are from various nationalities. Terrorist have committed several attacks and have caused several people to lose their loved ones. Anyone can be a victim of terrorism. In 2008 Mumbai attacks‚ there were eight more attacks in financial capital of India‚ Mumbai‚ including 26th November 2008. It was one of major attack from the eight attacks in Mumbai. The attacks‚ which widespread global condemnation‚ began on Wednesday
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On september 11th 2001 a series of 4 terrorist attacks by Al-Qaeda occurred killing almost 3000 people and injuring over 6000. This terrorist attack resulted in the destruction of the world trade centre and overwhelming damage to nearby buildings. Many studies and investigations have been performed by social scientists looking into the attack‚ resulting in many different answers and also conspiracies. As displayed in the information provided below‚ anthropologists‚ sociologists and psychologists
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made hundreds of attacks on targets in northwest Pakistan since 2004 using drones (unmanned aerial vehicles) controlled by the American Central Intelligence Agency ’s Special Activities Division.[4] Most of these attacks are on targets in the Federally Administered Tribal Areas along the Afghan border in Northwest Pakistan. These strikes were begun by President George W. Bush and have increased substantially under President Barack Obama.[5] Some media refer to the series of attacks as a "drone war"
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