Quantum Mechanics Notes Matter can be understood by applying two scientific models: particles‚ and waves Particle Models Particles are objects that are hard‚ have mass‚ and move according to Newtonian mechanics. Particles are a macroscopsic model which can be applied to the microscopic world. Kinetic model of a gas: gas molecules are small‚ hard particles bouncing off of one another and the walls of their container. Macroscopic phenomena of pressure and volume are explained in terms of masses
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Heating Curve Project There are two parts to the project. EVERYONE MUST COMPLETE PART ONE. We can put our personal touch on part two. 1. Label heating curve graph of a substance other than water (NOT WATER‚ make up a substance if you have to‚ but don’t use 0 oC and 100 oC The graph must include: • An illustration (not fancy) of how the molecules are arranged in the solid phase‚ liquid phase‚ gas phase and during the phase changes. • How KE and PE change during different parts of the graph. •
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Unit-1 Wave mechanics |Q.1 |Show that the phase velocity of de-Broglie wave is greater than the velocity of light. | |Q.2 |State and explain Heisenberg uncertainty principle. Using this principle show that the electron cannot reside in the nucleus of an atom. | |Q.3 |Prove that group velocity is equal to the velocity of the particle with which the waves are associated. | |Q.4 |Distinguish
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Paragraph 1: Temperature; driver for the change of symmetry There are 3 different phases that are observed and each of them are influenced by temperature. In addition‚ in each phase‚ the polymorph exhibits different crystal structures. At room temperature of 298K‚ it will be in phase 3 where it takes the structure of monoclinic-C2/m. When the temperature rises to 396K‚ it undergoes a transition into Phase 2 also known as the high-temperature monoclinic-A2/a phase. At Phase 2‚ the lattice parameters
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2010 회로 및 전자기학 숙제 #2 제출 2010년 3월 19일 (금) C319 1. Three point charges Q1 9 C ‚ Q2 4 C ‚ Q3 36 C are arranged on a straight line. The distance between Q1 and Q3 is 9cm. It is claimed that a location can be selected for Q2 such that each charge will experience a zero force. Find this location. 2. A line charge of uniform charge density l forms a circle of radius b that lies in the xy-plane in air with its center at the origin. a) Find the electric field intensity
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Consider a steady two-dimensional flow of Maxwell‚ Jeffrey and Oldroyd-B nanofluids over a cone having radius and half-angle . x-axis varies along the surface of cone and y-axis is perpendicular to it. The temperature and concentration distributions are vary along the surface of the cone. A variable magnetic field is applied along -direction as shown in Fig.1. A variable temperature along with the thermophoresis and Brownian motion effects are taken into account. and are the ambient temperature
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01/03/2012 SOIL COMPOSITION SOIL COMPOSITION Generally soil can be divided to three components in natural occurrence This separation know as three phase systems or three phase diagram It consists of soil solids‚ water and air 1 01/03/2012 Soil components in natural occurrence Volume-Weight relationships As a result from 3 phase diagram several relationship were produce This relationship known as volume weight relationships. Refer to 3 phase diagram 2 01/03/2012
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The Iodination of Salicylamide Questions: 1. a) The possible sites of iodination of the salicylamide ring is on the ortho/para position to the -OH group. b) The most likely site of iodination is the para position. This spot has the least steric hindrance and is favorable due to the directing effects of the -OH and the withdrawing effects from the carbonyl. 2. The homo surface shows that salicylamide has large electron density at the para and ortho positions. These sites are more likely
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Procrastination Topic: Procrastination Organizational Pattern: Cause and effect Specific Purpose: To inform my audience about the causes and effects procrastination plays a role on us mentally and physically. Audience Outcome: In this speech I will be discussing 3 main points‚ -What is procrastination? -What causes procrastination? -How does it procrastination affect us? Attention Getter: “Have you ever began working on an essay or speech outline and instead found yourself just staring at a blank
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Chemistry Quiz June 7‚ 2010 Name:_________________________________________ Score:______ 1. A sample of gas occupies a volume of 7.50 L at 0.988 atm and 28.0 °C. (a) Calculate the pressure of the gas if its volume is decreased to 4.89 L while its temperature is held constant. (b) At what temperature in degrees Celsius is the volume of the gas 4.0 L if the pressure is kept constant. 2. Calcium carbonate‚ CaCO3(s)‚ decomposes upon heating to give CaO(s) and CO2 (g). A sample of CaCO3
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