Design Example— Effect of Temperature on Solubility of Potassium Chloride in Water Research question How does temperature affect the solubility of potassium chloride in water? Hypothesis As the temperature of water increases‚ the particles of solid Potassium chloride‚ KCl‚ which are absorbing energy from its surrounding‚ start moving more easily between the solution and its solid state because. According to the second law of thermodynamics‚ the particles will shift to the more disordered
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Thermodynamics of Borax C3C Justin Nevins Chemistry 200‚ Section M1A Introduction The purpose of the lab was to determine how the solubility of Borax (Na2B4(OH)4) and other thermodynamic quantities such as enthalpy‚ entropy‚ and Gibbs free energy depend on temperature. When Sodium borate octahydrate (Borax) dissociates in water it forms two sodium ions‚ one borate ion and eight water molecules. The chemical reaction is shown as: (reaction 1) A simple acid-base titration
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Equality If 2 bodies are brought into contact‚ after a period of time‚ there is no observable change in their physical properties (example: length‚ electrical resistance‚ density etc). The bodies are said to be in thermal equilibrium and to be equal in temperature. The 2 systems are equal in temperature when no change in any property occurs when they are brought into communication. 5.2 The Zeroth Law of Thermodynamics (This law was formulated after the First Law of Thermodynamics. Since it
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Biomolecule BCH 3101 Thermodynamics of Biological Systems • Movement‚ growth‚ synthesis of biomolecules‚ and the transport of ions and molecules across membranes all requires energy. • All organisms acquire energy from their surroundings and utilize that energy efficiently to carry out life processes. • In order to study these bio-energetic phenomena we will require knowledge of thermodynamics. BCH3101 1 • Thermodynamics: defined as a collection of laws and principles describing the flows and
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solution that contains more dissolved substance than a saturated solution does. This occurs when a solution is prepared at a higher temperature and is then slowly cooled. This is a very unstable situation‚ so any disturbance causes precipitation. Solubility can be understood in terms of two factors: The natural tendency toward disorder favors dissolving. The relative forces between and within species must be considered. Stronger forces within solute species oppose dissolving. Stronger forces
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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) To be able to identify and describe
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Thermodynamics - Assignment 4 D3 SS Sultana – a Mississippi River steamboat paddle wheeler that exploded on April 27‚ 1865 in the greatest maritime disaster in United States history. Around 1‚600 of Sultanas 2‚400 passengers were killed when THREE of the ships four boilers exploded and Sultana sank near Memphis‚ Tennessee. The cause of the explosion was a leaky and poorly repaired steam boiler. There was reason to believe allowable working steam pressure was exceeded in an attempt to overcome
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Weeks Outline | 1st Grading Period - Reading Focus: Literary Extended Text The Crucible by Arthur MillerShort Texts Literary: 1. Sioux Native American Creation Story http://chnm.gmu.edu/exploring/pre_18thcentury/creationstories/pop_sioux.html 2. “Legend of the Cherokee Creation” from the Cherokee Native American Tribe http://www.cherokee-nc.com/index.php?page=97 3. “Diné” from the Navajo Native American Tribe http://www.artsmia.org/world-myths/artbyculture/ketoh_story.html 4. “When Grizzlies
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Determining the Rate of Osmosis with Water and Sucrose 10/3/2012 Determining the Rate of Osmosis with Water and Sucrose Author: Results: Bag 1 had a rate of osmosis equal to 0.01 grams per minute. Bag 2 had a rate of osmosis equal to 0.0543 grams per minute. Bag 3 had a rate of osmosis equal to 0.0471 grams per minute. Bag 4 had a rate of osmosis equal to 0.0886 grams per minute. Bag 5 had a rate of osmosis equal to -0.0914 grams per minute (Figure A). Figure A: Shifting of mass
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Office Use Only | | | | | | | | | | | | Monash University Semester Two Examination Period 2010 Faculty Of Science EXAM CODES: CHM1022 TITLE OF PAPER: CHEMISTRY EXAM DURATION: 3 hours writing time READING
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