Hydrolysis of tert-butyl Chloride in different solvents Practical conducted on 5 March‚ 2013 Reported by Pham Vu Hung on 10 March‚ 2013 Introduction: This practical is meant to measure the rate of reaction of the hydrolysis of tertiary-butyl chloride –a colorless‚ liquid organic compound at room temperature that is sparingly soluble in water - in water/acetone and water/isopropanol mixtures. Since there are many influencing factors for the rate of reaction‚ all are kept constant but the
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Preparation of Sodium Chloride through titration Abstract: acid-base titration is a technique commonly used to determine the moles of acid in a sample by adding a known volume of strong base of a known concentration. The strong base provides the hydroxide ion‚ to react quantitatively with the acid. The point at which the acid is completely and exactly consumed the known quantity of base is called the equivalence end point and is signalled by a colour change in the solution (end point). This colour
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The human thoughts‚ behavior and the overall physical nature‚ have been described as an invincible part of the existence of humanity. The manner in which individuals and people conduct themselves within the society or in a specific community is best explained through the use of various psychological theories. The latter is a sociological part of a study that picks up one human trait and studies it in discrete detail. One classic example is the behavioral theory that is applied when attempting to
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Separation anxiety disorder is a mental health disorder that begins in childhood and is characterized by worrying that is out of proportion to the situation of temporarily leaving home or otherwise separating from loved ones. Approximately 4%-5% of children and adolescents suffer from separation anxiety disorder. Separation Anxiety Disorder is more common in children with family histories of anxiety. Also‚ children whose mothers were stressed during pregnancy with them tend to be more at risk
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Separating the components of a Ternary Mixture Introduction Mixtures are usually content of two or more substances. There are two kind of mixtures‚ Homogeneous and heterogeneous mixtures. For Homogeneous mixture we cannot see the individual particles of the components‚ a good example of that will be air‚ cola drink‚ and rubbing alcohol. And for heterogeneous mixture we can see the individual particles of the components‚ a good example of that will be rocks and soil. There are a variety of methods
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How sodium chloride concentration affects the germination‚ growth and development of Brassica rapa. Osumi‚ K.‚ Nihei‚ B.‚ Takanishi‚ K.‚ Nakamura‚ C.‚ Warehime‚ R. Period 2. 03/05/17 Introduction: To have a successful germination‚ the plant seed needs a sufficient amount of water and oxygen present. Other conditions include room temperature‚ and the amount of light intake. Hydration of a seed‚ is an essential step for seed germination (Martínez-Andújar‚ 2014). Plants tend to germinate better in
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of child development; this is what is commonly known as separation anxiety. "Separation anxiety is a developmental stage during which the child experiences anxiety when separated from the primary care giver " (McPherson‚ 2004). Separation anxiety varies widely from child to child and most commonly occurs between the ages of eight months to two and a half. There are several different causes of separation anxiety‚ ways to manage separation anxiety to make it easier for both the child and the parent
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Social Separation of Ageism Another consequence of ageism is the intentional separation or segregation of older people from younger generations socially. Both sociologists and anthropologists have long recognized age as the basis of social organization and social integration. They both have shown that age serves as a marker for participation in the division of labor. Age grading has long been used to dictate how age groups have distinct rights and responsibility and how rites of passage are manifested
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“The Synthesis of Zinc Chloride”‚ what a peculiar name for a lab that does not even involve synthesis. Synthesis‚ by definition‚ is when two elements are combined in a chemical reaction‚but that is not the case. In this lab we are combining zinc‚ an element‚ and hydrochloric acid‚ a compound‚ but combining a compound and an element is not synthesis‚ it is single replacement. We are taking zinc and hydrochloric acid and making zinc chloride and hydrogen‚ a single replacement‚ but what occurred during
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REVIEW: Asghar Farhadi’s “A Separation” (Iran) When the great Akira Kurosawa created “Rashomon”‚ he challenged the nature of reality by having his characters recount their own versions of a single event. By doing so‚ Kurosawa managed to reveal not the truth but the underlying nature and motive of each character. Decades after this‚ Iranian filmmaker Asghar Farhadi creates “A Separation” – a film that echoes Kurosawa’s fascination for the truth while blinding the eyes of the characters with the intricate
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