~ Indian Institute of Technology Kharagpur Department of Chemistry Spring 2011-2012 Mid-semester Exam Time: 2 Hrs No. of Students: 700 Subject No: CY11001 Full Marks: 30 Subject Name: Chemistry (1st Year) Instructions: (a) Attempt ALL the questions. (b) All parts of a question MUST be answered together. (c) Numerical results MUST be reported in SI units. (d) Explicitly mention the sign convention used. (e) Clearly state whether you are using oxidation or reduction potentials in
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Chapter 11 Internal Combustion Engines 11.1 Introduction Internal combustion engines differ from external combustion engines in that the energy released from the burning of fuel occurs inside the engine rather than in a separate combustion chamber. Examples of external combustion engines are gas and steam turbines. The gas turbine power plant utilizes products of combustion from a separate combustor as the working fluid. These gases are used to drive the gas turbine and produce useful power. The
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The catalytic effect of D-block ions and the kinetics of reactions iodine clock reaction: By Stephen Parsons 6K2 Centre number: 61813 Candidate number: 8270 Table of Contents My aim and my reaction: 3 Rate of reaction: 4 Activation enthalpy: 5 Collision theory: 6 The effect of temperature on reaction rate: 7 The effect of concentration on reaction rate: 7 The effect of a catalyst on reaction rate: 8 D-block elements: 9 The effect of extra kinetic energy (from stirring etc.): 10 Where
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Titration Lab Prepare a solution of a given concentration; understand titration including acid-base reactions‚ pH‚ stoichiometry and molar equivalence. Chemicals and equipment: NaOH pellets close to purity‚ HCl 3M‚ phenolphtalein Beckers‚ flasks‚ burette‚ magnetic or manual stir pHmeter Waste management: The waste disposal will be handled through neutralization of your excess reactant to a pH between 4.0 and 10.0 and disposal with abundant rinsing. As a preparation for the lab you may want
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CH213. Physical Chemistry II. Final Exam Your Name: Your Student Number: 110 Normal Points + 10 Bonus Points If you get 110 points out of 120 points‚ you will get the full 40% assigned to the midterm exam. Your scores 1) 2) 3) 4) 5) 6) Total: out of 25 out of 20 out of 20 out of 15 out of 20 out of 20 out of 120 * All the problems are connected. In other words‚ to solve the problem‚ you may need the information and/or answers given in other problems. All necessary information is basically
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The Increasing Enthalpy of Combustion Rates for Pentanol Isomers EEI Report Draft - JEREMY SAJU 11B Fuels are the main energy source of the modern world. The topic of this extended experimental investigation is to explore combustion rates of alcohols‚ specifically pentanol and it’s relationship with varying structural isomers. A fuel is defined as a material that stores potential energy that‚ when released‚ can be used as heat energy (Chemguide‚ 2003). The balanced combustion equation for pentanol
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property that characterizes the process. It is easily measured‚ and if the process is a chemical reaction carried out at constant pressure‚ it can also be predicted from the difference between the enthalpies of the products and reactants. The quantitative study and measurement of heat and enthalpy changes is known as thermochemistry. 1 Thermochemical equations and standard states In order to define the thermochemical properties of a process‚ it is first necessary to write a thermochemical
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Acids & Bases: Reactions‚ Standardizations‚ & Titrations Experiments 21 & 22 Experimental Overview: The procedure for this experiment was carried out as instructed in the laboratory manual‚ Experiments in General Chemistry‚ 4th ed.‚ S.L. Murov‚ Experiment 21‚ Acids and Bases: Reactions and Standardizations‚ and Experiment 22‚ Acids and Bases: Analysis. There were modifications made by the instructor to dilute the 6M NaOH to 0.1M in 300mls
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nitrogenous fertilizers: a) Ammonium sulphate Ammonia reacts with sulphuric acid by neutralization to produce ammonium sulphate. ------------------------------------------------- 2NH3 + H2 SO4 (NH4)2 SO4 ------------------------------------------------- Ammonium sulphate b) Ammonium nitrate Ammonia reacts with nitric acid by neutralization to produce ammonium nitrate ------------------------------------------------- NH3
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oxidation-reduction reaction? Assume the reaction occurs in aqueous solution. CuSO4 + Zn → Cu + ZnSO4 A. B. C. a precipitation reaction an acid-base reaction an oxidation-reduction reaction 8. (0.5 marks) What is the percentage by mass of oxygen in UO2? Molar masses (in g mol−1) A. B. C. D. 33% 12% 6.7% 67% U‚ 238.0 O‚ 16.00 CHEM 120 (Fall 2011) 9. Test #1 (Version 001) Page 4 of 8 (1 mark) What is the net ionic equation for the reaction that occurs when aqueous solutions of hypochlorous acid
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