Adsorption by Powders and Porous Solids Principles‚ Methodology and Applications Frangoise Rwqu~ra& Rouquerol and ’lean Hennet%Sing Centre de Therrnodynamique et de Microcalorimktrie du CNRS and Universite ’ de Provence‚ 26 rue du l4lLme RIA 13003 Marseille France ACADEMIC PRESS San Diego London Boston New York Sydney Tokyo Toronto This book is printed on acid-free paper. Copyright Q 1999 by Academic Press All rights reserved. No part of this publication may be reproduced or transmitted
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Determination of the Calorific Value of Fuels Aim: To quantify the amount of energy produced by different fuels and to determine which fuel is more efficient (has a higher calorific value). Introduction: The easiest way to achieve our aim is by heating a substance with a known specific heat capacity and using the energy released from burning our fuels. This will give us the value of the heat energy released by the combustion of our two fuels. The chemical reaction for combustion: FUEL
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LABORATORY BASED CLIENT REPORT 1. Introduction Obesity is an ongoing issue and prevalence worldwide is constantly increasing (Cameron et al.‚ 2003). A study area of great interest is the relationship between weight loss or the loss of fat mass and exercise intensity. Metabolic function‚ energy sources and energy expenditure all have great influence on the success of weight loss. For efficient metabolic function the human body requires an ongoing energy source. This energy source comes
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Clinically‚ non-steroidal anti-inflammatory drugs (NSAIDs) are the most frequently prescribed class of drugs for inflammatory disorders (1). Lornoxicam is a novel NSAID drug. It has an equipotent COX isoenzyme inhibitory effect and subsequently reduces the production of prostaglandins‚ thromboxane‚ and leukotrienes (2). It is prescribed for mild to moderate pain and inflammation in osteoarthritis and rheumatoid arthritis (3). It is prescribed for the treatment of osteoarthritis due to its analgesic
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Their experiment also tested heat using calorimetry. It was concluded that their results were linear and no reaction occured when the NaHSO3 was high. This lack of reaction can be attributed to the concentration of the NaHSO3 being too high to react with not enough KIO3 reactant to change the solutions
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Developing Fuels * All gases take up the same volume under the same conditions. AT room temperature and room pressure this volume is 24 dm3. * Number of moles= volume in dm3 24 * Balanced equations can also be used to work out gas volumes. In the equations: 2Na + 2H2O 2NaOH + H2‚ where 15g of sodium is reacted‚ you can work out the volume of gas from working out the number of moles in 15g Na = 0.65 mol. Then you see that 2 mol of Na 1mol of H2‚ Thus 0.65 mol Na 0.325 mol H2. 0.325
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= Q/m∆T where: c - specific heat capacity Q – heat m - mass ∆T – change in temperature And derived from that equation we could get heat: Q = mc∆T The measurement of heat is often made by applying the law of conservation of energy. Calorimetry is the application of this law. Qlost=Qgained For an instance a metal specimen is heated and then placed in cold water in a calorimeter up. The meal specimen will lose heat while the cold water‚ the calorimeter cup‚ and stirrer will gain heat
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CHM130 Lab 4 Calorimetry Name: Conor Westerman Data Table: (12 points) ALUMINUM METAL Pre-weighed Aluminum metal -100 grams sample mass (mmetal) Temperature of boiling water and metal sample in the pot (Ti(metal)) 365k and 345k Temperature of cool water in the calorimeter prior to adding hot metal sample (Ti(water)) 364k Maximum Temperature of water/metal in calorimeter after mixing (Tf) 365k LEAD METAL Pre-weighed
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The two pertinent nutrition problems that Joe has is to increase his protein needs to aid in the wound healing process and to increase his fluid needs since fluids are lost in burn wounds (Namdar T. et al‚ 2010). The two main proteins that Joe needs are glutamine and arginine because they are the two main essential amino acids that assist burn victims in recovery (Wolfe R.). Based on those pertinent nutritional problems‚ Joe has inadequate protein intake (NI-52.1) related to protein losses as evidence
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Heats of Reaction – Hess’s Law Overview Hess’s Law states that the energy change for a reaction depends on the enthalpy of the reactants and products and is independent of the pathway of the reaction. In this experiment you will use calorimetry to measure the heats of reaction for three reactions: Reaction 1 Reaction Equation NaOH(s) → Na+(aq) + OH-(aq) Solid NaOH is dissolved in water 2 Na+(aq) + OH-(aq) + H+(aq) + Cl-(aq) → Na+(aq) + Cl-(aq) + H2O(l) Solutions of NaOH and HCl are mixed 3 NaOH(s)
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