"Heat of neutralization for an acid base reaction" Essays and Research Papers

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    Introduction 1.1 Background Information Acids are separated into different categories. These categories are strong acids and weak acids. Hydrochloric and Sulphuric acid are strong acids‚ and Phosphoric acid is a weak acid. When an acid is placed into water‚ it ionises (Tinnesand‚ n.d.). Ionisation occurs when the acid splits up into its two base components. So when Hydrochloric acid is placed into water‚ it splits into a hydrogen ion and a chlorine ion. The amount that an acid ionises depends on its strength

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    However‚ important aspects of some theories are left out and certain things are not able to be explained‚ despite the theory being overall quite well versed. In the following pages‚ I will be discussing how Sykes and Matza’s (1957) Techniques of Neutralization Theory has both positives‚ as well as drawbacks. Originally‚ Sykes and Matza proposed their theory as a critical response to other theorists who believed that deviant individuals were altogether disconnected from the dominant

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    the pH value outside of the normal range‚ and what acid/base imbalance did this pH value indicate? The pH was within the normal range until the subject started to hyperventilate. The rising pH indicated that the body was expelling CO2 and H+. 7. Did the PCO2 level change during the curse of this run? If so‚ how? Yes‚ the PCO2 level dropped from 40 to 19.7 because the body was getting rid of CO2 by hyperventilating. 8. If you observed an acid/base imbalance during this run‚ how would you expect

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    Introduction We are going to do an experiment to see how surface area effects the rate of reaction when added to hydrochloric acid. I will add calcium carbonate (marble chips) to hydrochloric acid. When calcium carbonate is added to hydrochloric acid a reaction takes place. The solution fizzes and gives off the gas carbon dioxide. I will collect this gas in a gas syringe and will time how long it takes for the reaction to produce 100cm3 of carbon dioxide. CaCO3 +2HCL Co2 +CaCl2 +H2O CalciumHydrochloricCarbonCalciumWater

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    Aim It is to tell how the reaction between magnesium and hydrochloric acid will be effected if we change the concentration of hydrochloric acid. Introduction In the experiment the magnesium reacts with the hydrochloric acid to create magnesium chloride and hydrogen. The balanced formula for this is: Mg(s) + 2HCL(aq) MgCl2(aq) + H2(g) Magnesium + hydrochloric acid Magnesium Chloride + Hydrogen Magnesium will react with hydrochloric acid‚ because it is higher in the reactivity series than hydrogen

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    Chapter 15 & 16: Temperature‚ Heat & Heat Transfer Temperature is a measure of the average (not total) translational kinetic energy. ●ex: there is 2x as much total molecular kinetic energy in a 2L of boiling water than one‚ but the temp of the two volumes are the same (average of translational kinetic energy per molecule is the same in each → Internal Energy- the total of all molecular energies: kinetic+potential (SAME TEMP) ● Ex: apply a flame to 1L h2o for a certain time and its temp rises

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    used to measure the temperature readings of a neutralization reaction and magnesium oxide‚ MgO. Calorimetry is used to measure amounts of heat transferred to or from a substance.2 The difference of temperatures was used to calculate the heat energy given off by each sub-reaction. These values were solved by using Hess’s Law which determined the overall enthalpy changes of the neutralization reaction and MgO formation. Hess’s Law states that the heat evolved or absorbed in a chemical process is the

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    Heat

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    West Bengal Council of Higher Secondary Education VidYasagar Bhavan No : DS(A)SD 9/2‚ Block lPvBl 861 42l2oL3 DJ‚ Sector-ll‚ Salt Lake‚ Kolkata - 91 Date :09.07.2013 NOTIFICATION Attn: All Heads of Higher Secondary lnstitutions has already This is to notify that west Bengal council of Higher secondary Education published the following Text Books : 1. 2. Blackswan English A & B for Class Xl and Xll - printed & distributed by Orient by Bengali A for Class Xl and Bengali

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    The rate of reaction between sodium thiosulphate and hydrochloric acid Candidate name: Yeo Jin Kim (Kimberly Kim) Candidate number: 000791-021 Teacher: Yitao Duan 1.0 Aim The aim of this experiment is to investigate the changing of concentration effect the rate of reaction between sodium thiosulphate and hydrochloride. 2.1 Chemical Equation 2.0 Raw data 3.2 Qualitative Data 2.1.1 Before the experiment Substance | Color | State | Smell | Hydrochloride (HCl) | Colorless

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    carboxylic acids

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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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