My favorite season of the year Everyone has their own special season and everybody likes a certain one; it could either be winter or fall because of the Holidays. However‚ summer is the one season where you can enjoy the bright and sunny sky while doing activities‚ where you do not even have to worry about doing homework or going to school‚ and where lots of teenagers and college students will often take summer jobs. Typically‚ the summer days are the longest and the summer nights are the shortest
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Investigating How Concentration of Acid Affects the Reaction Between Calcium Carbonate and Hydrochloric Acid Introduction ============ According to the collision theory temperature‚ concentration‚ surface area and catalysts all affect rates of reaction as shown in the diagrams below. Increasing any of these should increase the number of collisions and so increase the reaction rate up to an optimum point. Increasing the temperature causes the particles to collide with more
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’Sherlock’ Season 4‚ Spoilers: Darkest season tough on Sherlock and Watson‚ Mary set to betray friends “Sherlock‚” Season 4 ranks high on the viewing list of detective show aficionados across the world. Though viewers will have to wait until next year to feast on the intriguing drama‚ they can be sure that the drama is going to be full of mystery and suspense. Season 4 “Sherlock” is slated to be the darkest season of the show as it is going to tell stories with a dark side and that too with relation
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Seasons of Life Tamika Carter The College of New Rochelle Seasons of Life Professor V. Pearson April 19‚ 2008 Seasons of Life The Seasons of Life series examines the development process from infancy to late adulthood‚ and the many challenges that are faced at each stage of the development process. The first video examines the developmental process from birth to approximately age five. The video explores the many components and experiences that contribute to human’s early development
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The Salem Witch Trials started in 1692 in Salem Village‚ Massachusetts‚ and are believed to have been created by many different theories. No one actually knows why or how the witchcraft started in the early colony. The witches were girls of all ages who were caught having strange behavior. Many people started believing they were actual witches because of the way people claimed to have been hurt or affected by a witch. Some Puritans would act out to make it seem like a witch was harming them or causing
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studied‚ a drover’s wife‚ In a Dry Season and Fried Green Tomatoes all reflect the composer’s attitude and living environment. The exploration of these texts delves into the elemental development of characters‚ setting and plot and their relationship with the composer. Further more the exploration of the characters and the plot allude to the interaction between characters and events‚ this interaction allows us to distill the authors concerns. In a Dry Season is a story about Henry Lawson’s monotonous
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BENZOIC ACID & BENZOATES (210 –218) • Retards growth of bacteria and yeasts • Occurs naturally in many foods – a similar distribution to salicylate (but at a lower dose than as an additive) • Common food sources: Soft drink‚ cordial‚ fruit juice and cider Liquid essences and syrups Iceblocks‚ jelly‚ low joule jam‚ dips‚ pickles‚ olives Fish marinades and preserves • PABA (para-amino-benzoic-acid)
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Exercise No. 8 CARBOXYLIC ACIDS AND ACID DERIVATIVES I. OBJECTIVES: • To investigate the physical and chemical properties of Carboxylic acid and its derivatives • To understand the reactions of carboxylic compounds and derivatives. II. EXPERIMENTAL RESULTS Solubility of Carboxylic acids in 10% NaHCO¬3 Acetic acid - formation of bubbles Benzoic acid - formation of bubbles Test for Acetic acid NaOH + Acetic acid - blue litmus paper turned red NaOH + Acetic acid + FeCl3 - red colored
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CARBOXYLIC ACID Introduction: Organic compounds containing (–C(O)–OH) as a functional group are called carboxylic acids. The –C (O)-OH group which itself is made up of a carbonyl group (>C=O) and a hydroxyl group (-OH) is called a carboxyl group (carb from carbonyl and oxyl from hydroxyl group). Carboxylic acid may be an aliphatic or an aromatic depending upon whether –C–OH is attached to an alkyl group ( or a hydrogen atom) or an aryl group. Their general formulas are; ALIPHATIC CARBOXYLIC ACID: R–C
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OF CONCENTRATION ON REACTION RATE INTRODUCTION • Concentration is one factor which has an effect o the rate of a chemical reaction. In chemistry we describe concentration in terms of the number of moles of a substance there are in every cubic decimetre (litre) of solution‚ written as moles.dm-3 of M for short. • In this experiment you will find out how increasing the concentration of the acid solution changes the rate of the reaction between dilute hydrochloric acid and magnesium metal
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