Controlled assessment- How concentration affects the rate of reaction between sodium thiosulfate and hydrochloric acid. SA): Strategy Scientific knowledge Sodium thiosulfate (Na2S2O3)‚ also spelled sodium thiosulphate‚ is a colourless crystalline compound that is more familiar as the pentahydrate‚Na2S2O3·5H2O‚ an efflorescent‚ monoclinic crystalline substance also called sodium hyposulfite or “hypo.” Sodium thiosulphate has a melting point of 48 degrees C. It is freely soluble in water. It contains
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Trafficking is a form of modern slavery that exists throughout the united states and globally. This uses violence‚ lies‚ threats and other forms of coercion to compel adults and children to participate in commercial sex against their will. Under U.S. federal law‚ any minor under the age of 18 years induced into commercial sex is a victim of sex trafficking—regardless of whether or not the trafficker used force‚ fraud‚ or coercion. Unfortunately‚ there are thousands of children and adults who
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Technology can be defined as science applied to practical purposes. It is easy to think about the advantages of modern technology‚ but what about its disadvantages? Technology today has made life easier and quicker but also dangerous. Modern technology makes life easier for people. For example‚ microwave ovens cook food easily. Dishwashers wash all dirty dishes and dry them. Moreover TVs‚ personal computers‚ cell phones and the internet have enhanced the welfare and wellbeing of people worldwide
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What is the Modern World? The French Revolution‚ the Industrial Revolution‚ and Darwin’s On the Origin of the Species are modern‚ and were important to shaping the modern world. The modern world can be classified as a time when there was the rise of the middle class‚ technological advances‚ an increase in economic power‚ and a deviation from religion into science. These modern movements can be seen in the French Revolution‚ the Industrial Revolution‚ and Darwin’s On the Origin of Species‚ rendering
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Modern history From Wikipedia‚ the free encyclopedia Jump to: navigation‚ search "Modern Age" redirects here. For other uses‚ see Modern Age (disambiguation). Human history ↑ Prehistory Recorded History Ancient history Earliest records Near East Africa Mediterranean region East Asia South Asia Early Americas Postclassical Era Europe Middle East Africa South/Southeast Asia East Asia Central Asia Americas Modern history
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labeled as a philosophy. The Penguin Dictionary of Philosophy defines it as the study of "the most fundamental and general concepts and principles involved in thought‚ action‚ and reality". The Penguin Encyclopedia says that philosophy differs from science in that philosophy ’s questions cannot be answered empirically‚ and from religion in that philosophy allows no place for faith or revelation. However‚ these points are called into question by the Oxford Dictionary of Philosophy‚ which states: "the
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__________________________________________________________________________________________ EFFECTS OF MODERN TRENDS TO THE STUDENT LIFE IN MANUEL I. SANTOS MEMORIAL NATIONAL HIGH SCHOOL ___________________________________________________________________________________ In Partial fulfillment Of the requirements for the degree BACHELOR OF SCIENCE IN PSYCHOLOGY ___________________________________________________________________________________ BY: Glenford Fiecas Joshua Ron Javier Keth
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clothing‚ communicating and transporting devices and the skills by which we produce and use them."[4] Bain’s definition remains common among scholars today‚ especially social scientists. But equally prominent is the definition of technology as applied science‚ especially among scientists and engineers‚ although most social scientists who study technology reject this definition.[5] More recently‚ scholars have borrowed from European philosophers of "technique" to extend the meaning of technology to various
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Abstract This paper introduces steganography‚ the art and science of hidden writing. The purpose of steganography is to hide the existence of a secret message from a third party. The most popular modern application of steganography involves concealing messages within least significant bits of image or sound files. Another application of modern steganography is a steganographic file system. Steganography is also used by some modern printers‚ where tiny yellow dots that contain encoded printer
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Islam and Science The 6th century Islamic empire inherited the scientific tradition of late antiquity. They preserved it‚ elaborated it‚ and finally‚ passed it to Europe (Science: The Islamic Legacy 3). At this early date‚ the Islamic dynasty of the Umayyads showed a great interest in science. The Dark Ages for Europeans were centuries of philosophical and scientific discovery and development for Muslim scholars. The Arabs at the time assimilated the ancient wisdom of Persia and the classical
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