Determining the unknown concentration of HCl via heat of neutralization of a reaction involving strong electrolytes and weak electrolytes. Myeongwon Lee 20522885 Partner: Frank Wong TA: Afsoon CHEM 120L – Earth Science & Chem 149 Section: 004 Tuesday‚ November 26th‚ 2013 Introduction All chemical changes are accompanied by change in energy and this energy is in form of heat. The energy change of a reaction that happens at constant pressure is defined as heat of reaction or enthalpy change and the
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“The Concentration City” is a short story by J.G. Ballard that is dystopic in nature. The short story revolves around a young physics student’s dream which is the gear for the story. The main character‚ Franz Mattheson‚ dreams that he is floating in the air with his hands by his side implying that he wishes to construct an aircraft. Social control can come in many forms; however‚ the social control demonstrated in this shorty story is social norms. The existence of social norms impacts Franz’s desire
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OBJECTIVE: The experiment was carried out to investigate the effects of the increase in the enzyme concentration on the rate of reaction. By using self investigative and experimental skills‚ the experiment was done in order to determine how the rate of reaction will be altered‚ whether it will increase‚ decrease or remain constant when the different concentration of enzymes added. INTRODUCTION: Enzymes are produced naturally in plant‚ animal‚ and microbial cell. There are thousands of different
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The concentration camps was a place where people were detained and confined. The concentration camps are where they held jewish people against their own will. The concentration camps was where the Germans placed the Jews to hostage before killing them. There are three specific concentration camps that the Jews were sent too. The three concentration camps were the transit camps‚ forced labour or work camps‚ and extermination camps. Adolf Hitler just wanted to prove his power to everyone. The
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For this data analysis project‚ I conducted and experiment to investigate how the concentration of an acid affects the rate of the reaction. I have set up the experiment’s equipment as shown on figure 1. As you can see by figure 1‚ I have used the reaction between sodium thisoulphate solution and hydrochloric acid (HCL) to come up with results that will help me draw conclusions regarding the effects of the concentration of the acid. I decided to use this particular reaction due to the fact that the
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Determination of the Concentration of Acetic Acid in Vinegar Lab Exercise 4 CHEM 1106 9/19/12 Purpose: Standardize a sodium hydroxide solution using a primary standard acid. Determine the molarity and the percent by mass of acetic acid in vinegar by titration with the standardized sodium hydroxide solution. Introduction: Vinegar is a dilute solution containing acetic acid. Since vinegar has a low pH‚ it can be titrated with a base. Titration is a method used in order to ascertain
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Treblinka Concentration Camp The Holocaust was a horrifying event. Adolf Hitler rose to power in 1933. Later they started constructing places to hold the Jewish and other people they called these place concentration camps.Treblinka was one of those camps. Treblinka was a part of Hitler’s final solution. Now you will learn about this terrible camp. “In July of 1942‚ the Operation Reinhard authorities had finished a killing center‚ known as Treblinka II.” (Treblinka) From late July and September 1942
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Buchenwald Concentration Camp The Buchenwald Concentration Camp was a concentration camp that the Germans used for practically labor of the prisoners until they died or were killed by the SS. Hitler who was the Nazi leader wanted all the people that weren’t the Aryan race to die because they were not perfect. “The Buchenwald camp was located in Weimar Germany and was established in 1937. The main camp was constructed in a wooded area in the northern slopes of Ettersburg. Before the Nazi takeover
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Dachau concentration camp Dachau was not horror camp not like Auschwitz and Belzec that killed over 1‚700‚000 together.Auschwitz was famous for being the most horrific camps‚but it was not the first or long lasting concentration camps.Dachau camp was made of an old World War I munition factory.SS Weinrich Himmler announced the camps creation‚so people (Jews) were put on trains to arrive at Dachau.All of the many concentration camps (Death camps) made medical experiments on some of their
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Part A: Title: Diffusion Diffusion is the spontaneous movement of particles from where they are more concentrated to where they are less concentrated. For this experiment‚ a 14 cm glass was filled with cold tap water. A drop of red food coloring was dropped in the cup. A stopwatch was used to measure the time it took for the food coloring to get to the bottom of the cup. The average diffusion rate was .78 cm a second. If a different color was used‚ I do not think it would have made a difference
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