TAB3‚ Group 6‚ Mr. John Kevin Paulo Biadomang Tabor‚ Frances Hermilyn March 8‚ 2013 ------------------------------------------------- I. Abstract This experiment is working with the ideal gas law‚ which is the summation of Boyle’s Law‚ where pressure is inversely proportional to volume‚ Charles’ Law‚ where the volume is directly proportional to temperature and Avogadro’s Law‚ where the volume is directly proportional to moles. In this experiment‚ the volume occupied by one mole of H2 was determined
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at a constant pressure and (b) at constant temperature. (c) What is the temperature at the end of the process in (a)? (d) What is the pressure at the end of process in (b)? (e) Show both processes in the p-V plane. Problem 2: The temperature of an ideal gas at an initial pressure p1 and volume V1 is increased at constant volume until the pressure is doubled. The gas is then expanded isothermally until the pressure drops to its original value‚ where it is compressed at constant pressure until the volume
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may be in liters‚ mL‚ or cm3 • The temperature of a gas must be indicated on the Kelvin scale – Recall that K = °C + 273.15 • Amount of a gas is the number of moles Pressure • Pressure is force per unit area – In the English system‚ pounds per square inch or psi – Atmospheric pressure is about 14.7 psi Pressure Units SI: 1 pascal (Pa) = 1 kg m-1s-2 = 1N m-2 others: 1 bar = 105 Pa = 100 kPa 1 atm = 101.325 kPa = 1.01325 bar 1 atm = 760 torr = 760 mm Hg 1 atm = 14.7 lb/in2 KINETIC
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material‚ except as permitted by the Copyright Act or other law. ERB‚September 2001 Experiment or Topic Pages Preface 1 2 3 4 5 6 7 8 9 10 11 ii iii Calorimeter Capillary Tube Dynamometer Expansion Valve‚ Automatic‚ Pressure Regulation Expansion Valve‚ Automatic‚ Temperature Regulation Gasoline Engine‚ Transparent‚ Four Stroke Heat Exchanger‚ Double Pipe Heat Pump Polytropic Process (air compressor) Rankine Cycle Vapor-Compression Cycle (Refrigeration Cycle)
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Three things are usually required for a chemical explosion: a chemical reaction that occurs very rapidly‚ a large increase in gas pressure‚ and a confined-reaction vessel in which the pressure of the gaseous products can increase to a point that the gases break violently out of the container. In this chemistry and physics science fair project‚ you will use the combustion of ethanol to provide energy for a small explosion. The chemical equation that describes the combustion of ethanol is shown below
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has just had a new Point of Sale system input which meant we had to train 150 staff over two days which‚ as you can imagine‚ was highly pressured giving the short turnaround. Can you give an example of when you have been put in a similar high pressure situation and how did you deal with it? 9/ What does confidentiality mean to you? 10/ What does equal opportunities mean to you? N.B. If there is time‚ invite the candidate to ask any questions they may have about the role and organisation
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mass‚ pressure (P)‚ thermodynamic temperature (T) and volume (V). These properties are related to each other and the state of a gas is determined by their values. The three laws are derived from these properties. Discussion Boyle’s gas law Boyle’s law relates the volume and pressure of an ideal gas. It states that when the temperature of a given mass of a confined gas is held constant‚ its pressure and volume are inversely proportional. In other words‚ the product of absolute pressure and volume
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Martin | Bottle Rockets | Table of Contents This extended investigation serves to examine and evaluate the physical forces that affect the flight of a bottle rocket. This will be accomplished by altering the water levels and the level of air pressure (psi) within the rocket will be altered‚ and tested‚ to further understand the mechanics of bottle rockets. Introduction Rocket flight has long been at the forefront of the human race’s exploration of our universe. This undeniable fact makes it
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Vacuum Technology Nagamitsu Yoshimura Vacuum Technology Practice for Scientific Instruments Dr. Nagamitsu Yoshimura 3-22-75 Fujimoto Kokubunji‚ Tokyo 185-0031 Japan ISBN 978-3-540-74432-0 Library of Congress Control Number: 2007933832 c 2008 Springer-Verlag Berlin Heidelberg e-ISBN 978-3-540-74433-7 This work is subject to copyright. All rights are reserved‚ whether the whole or part of the material is concerned‚ specifically the rights of translation‚ reprinting‚ reuse of illustrations
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ratio as follows: 1 H2(g) to 2 e- Reduction (at the cathode) (1) 1 O2(g) to 4 e- Oxidation (at the anode) (2) The moles of electrons can be expressed as a rearrangement of the Ideal Gas Equation: Ne = PV/RT (3) Where P = pressure in atm‚ V = volume in L‚ R = Gas Constant of 0.08206 atm mol-1 K-1 and T = temperature in Kelvin The actual electronic charge of water will be calculated as follows: e- = it/NeN x the stoichiometric ratio (1) or (2) above Where
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