1 Wallin‚ Spivey‚ Routt‚ Shahabuddin Swaim 6th 92214 Time Travel in Back to The Future There are many examples in Back to The Future where technology interacts with the characters to make either interesting or disastrous results. Back to The Future is a very dynamic movie because it was the first movie to introduce this topic in a unique way such as the effects time travel has on other situations‚ which we have never really thought about before in film. It also presented many ideological thoughts
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“Talking Back” Growing up from a child to an adult took experiences‚ a lot of learning and help from the people who had authority over me‚ such as my teachers‚ older family members and my parents. During my toddler years‚ I was punished for the things I did wrong but as I grew up I often was yelled at for my wrong doing. Talking back to my parents was considered a very wrong thing to do‚ and my parents considered that “talking back” is a child being disobedient. Whatever my mother said to me I
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The two essays I chose for my final portfolio were Maira Kalman’s “Back to the Land” interpretive essay and Josh Neufled “A.D. New Orleans After the Deluge” interpretive essay. I found it quite easy when it came to deciding which two interpretive essays I would have to choose for evaluation because I was able to analyze both the purpose and audience clearly in the two essays. Also‚ with both Kalman and Neufeld’s essays I received positive responses‚ and felt that I could confidently write about both
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Introduction Background Information To begin a discussion about acid-base titrations‚ we must first recall that there are several definitions of acids and bases. For the purpose of this exercise‚ we will consider the Arrhenius definition of acids and bases‚ in which an acid is a proton (H+) donor and a base produces hydroxide (OH-) in solution. When an acid reacts with a base‚ the products of this reaction are water and a salt. Note that salt here does not only mean table salt (NaCl)‚ but can refer
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Report: Acid-Base Titration Brianna Morrison Chemistry 111 October 11‚ 2010 Aim: To standardize a solution of the base sodium hydroxide using oxalic acid dihydrate as primary standard acid. Also to determine the amount of sodium hydroxide it takes to titrate a weighted sample of an unknown acid. Procedure: As outlined in instructions provided‚ no changes were made to the procedure. Data: Part A: Trial 1: Amount of H C O 2H O: 0.96 g Buret before titration: 3.6 mL Buret
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As parents around the country purchase new pencils and backpacks‚ they may be surprised to learn “nature” is one more thing they should put on the back-to-school supply list. According to a new report by National Wildlife Federation‚ Back to School: Back Outside‚ time spent outdoors both during school and at home helps children become high-performance learners and score higher on standard tests. Unfortunately‚ American children spend only minutes a day playing and learning outdoors which presents
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properly‚ but we eat the worst possible kind of food. We want food and we want it fast. An easy option for my generation is to go to a fast food place for example McDonalds. The people of the 70’s were much healthier and did more activity. I think sports back then was a great pass time and electronics weren’t so much of a big hit yet. Not only did they get more exercise is but they also ate better. In conclusion‚ two
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Redox Titration Lab ABSTRACT: In this lab‚ 0.010 M purple-colored potassium permanganate solution was standardized by redox titration with iron (II) ammonium sulfate hexahydrate (FAS). The average mass of the three flasks of FAS was 0.483 grams. Once the concentration of the standard solution of KMnO4 (aq) was determined‚ it was used to determine the concentration of Fe2+ in iron pills. On average‚ there was 0.01813 L of solution used. With this information and the balanced net-ionic equation
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Determining the Unknown Concentration of NaHCO3 (aq) Through Titration Introduction Titration is the accurate addition of a titrant- solution in a burette- into a measured volume of a sample (Kessel‚ 2003). There are many different types of titration‚ such as acid-base reaction‚ redox reactions‚ precipitation reaction and more (Dohrman). In this lab an acid base titration will be explored. In an acid-base titration‚ the concentration of an acid or base is unknown and is determined by the adding
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1. Aim: To determine the weight-to-volume percent of acetic acid present in commercial vinegar and the weight-to-volume percent of ammonia present in window cleaners. Acid-base titrations can be conducted using the above samples against standardized aqueous NaOH and standardized aqueous HCl solutions respectively. 2. Introduction: Acetic acid‚ commonly known as ethanoic acid CH3COOH‚ is found in commercial vinegar. It is a weak organic acid that gives vinegar its characteristic pungent smell‚
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