References: * Standard Bond Enthalpies. http://www.cem.msu.edu/~reusch/OrgPage/bndenrgy.htm (Date accessed: January 31‚ 2013) * WHAT ARE THE MAIN DIFFERENCES BETWEEN DIESEL AND PETROL? http://www.acea.be/news/news_detail/what_are_the_main_differences_between_diesel_and_petrol/ (Date
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of some fatty acids 10 NMR data NMR data 5–6 7 7 10. Structural formulas of some important biomolecules 10 11. Acid-base indicators 11 12. Acidity constants‚ Ka‚ of some weak acids 11 13. Values of molar enthalpy of combustion of some common fuels at 298 K and 101.3 kPa 11 Beryllium Magnesium 12 Mg 24.3 11 Na 23.0 4 Be 9.0 Lithium 3 Li 6.9 Hydrogen 1 H 1.0 19 K 39.1 Calcium 20 Ca 40.1 Sodium
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and a diameter of 25 cm. The local atmospheric pressure is 88 kPa. Now‚ heat is transferred to refrigerant-134a until the temperature is 15°C. Determine (a) the final pressure‚ (b) the change in the volume of the cylinder‚ and (c) the change in the enthalpy of the refrigerant-134a. 3. Determine the specific volume of superheated water vapor at 10 MPa and 400°C‚ using (a) the ideal-gas equation‚ (b) the steam tables. 4. Determine the specific volume of superheated water vapor at 3.5 MPa and 450°C
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gerati Laboratory report Vapour-Compression Refrigeration Experiment Thermodynamics Date of experiment: 26 June 2012 Group D2: Introduction The laboratory session for refrigeration system was performed in order to investigate the main concepts of the vapour-compression refrigeration cycle. Simple refrigeration system studied in the laboratory is a prototype for a variety of engineering applications utilized in industrial‚ domestic and scientific purposes. The detailed goals include the study
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II PUC – CHEMISTRY (34) MODEL QUESTION PAPER - 1 Time: 3hours 15 minutes Maximum marks: 70 Instructions: 1. The question paper has four parts: A‚ B‚ C and D. All parts are compulsory. 2. Write balanced chemical equations and draw labeled diagrams wherever required. 3. Use log tables and the simple calculator if necessary. (Use of scientific calculators is not allowed) PART-A I. Answer ALL of the following. (Each question carries 1 mark) 10x1=10 (Answer each question in one word or
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equations and draw diagrams wherever required (Use log tables and the simple commercial calculator if necessary (use of scientific calculator is not allowed) Part-A I. Answer all questions‚ 1. 2. 10 X 1=10 3. Define the term molality. How does the enthalpy change during the formation of a non-ideal solution two liquids showing positive deviation from Raoult’s law? What is a primary electrochemical cell? 4. 1130K /Mo ® N 2(g) + 3H 2(g) what is the order? For the reaction 2NH 3(g) ¾¾¾¾ 5. 6. 7. 8
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Regulator Freeze Protection MICHAEL W. GILLIS P. ENG GROUP LEADER‚ MEASUREMENT AND PROCESS CONTROL ENGINEERING ATCO PIPELINES Introduction In the transportation of natural gas from wellhead to consumer‚ service conditions will be encountered which may cause the gas and equipment used to regulate and control pressure to experience freezing conditions. Ignoring these design considerations will result in reduced facility reliability and increased operating and maintenance costs. Regulator
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Water autoprotolysis Water is amphiprotic: as proton donor or acceptor (bronsted acid/base) + Aqueous Chemistry – redox properties Water oxidation 2H2O O2 (g) + 4H+(aq) + 4eWater reduction 2H2O + 2e- H2 (g) + 2OH- (aq) + Enthalpy of vaporization What consequence do these numbers have on water’s property? An unusually large amount of heat is consumed to evaporate water heat is adsorbed‚ temperature stability of surrounding + Saturated water vapour pressure
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UNIFIED ENGINEERING Lecture Outlines 2000 Ian A. Waitz THERMODYNAMICS: COURSE INTRODUCTION Course Learning Objectives: To be able to use the First Law of Thermodynamics to estimate the potential for thermomechanical energy conversion in aerospace power and propulsion systems. Measurable outcomes (assessment method): 1) To be able to state the First Law and to define heat‚ work‚ thermal efficiency and the difference between various forms of energy. (quiz‚ self-assessment‚ PRS) 2)
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Every year since the seventh grade‚ I have made a project about Kurt Cobain or at least incorporated him into it. I have read so many things about Kurt Cobain that every fact or small detail about him is ingrained into my head. When we’re assigned projects‚ my automatic first choice is Kurt Cobain. Kurt is my parachute as if I’m falling out the plane of high school‚ he saves me from the certain death of what I call an “F.” Every small detail about him is always in the back of my mind. If you ask
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