SOLID STATE MARKS = 04 SOLID STATE A solid is that form of matter that possesses a definite shape and a definite volume. There are two types of solids: Crystalline solids: Solids with a definite geometric pattern and are anisotropic in nature. Examples: Iron‚ copper‚ silver‚ sulphur etc. are some elements which form crystalline solids. Potassium chloride‚ sodium nitrate etc are some of the compounds‚ which are crystalline
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Individual solid particles are characterised by their size‚ shape‚ and density. 1.1 Particle shape The shape of an individual particle is expressed in terms of the sphericity F s‚ which is independent of particle size. The sphericity of a particle is the ratio of the surface-volume ratio of a sphere with equal volume as the particle and the surface-volume ratio of the particle. For a spherical particle of diameter D p‚ F s =1; for a non-spherical particle‚ the sphericity is defined as Dp:
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Results If ski wax can be applied by rubbing‚ pasting‚ spraying‚ or melting then the melt on wax should reduce friction the best because it coats the skis more evenly and creates a thicker protective barrier to the bases of the skis. Consequently‚ this hypothesis was correct because the data captured displayed that the hot wax reduces friction the best‚ see appendix seven‚ eight‚ and nine. Hot melt on wax had the fastest time when the ice disc was slid down the ski and had the highest velocity. It
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Student ID No: ___________________ Pages: 9 Questions: 5 EXAMINATIONS FOR DEGREES AND DIPLOMAS October-November 2008 Mechanics of Solids First and only paper Time Allowed: THREE (3) hours Instructions: Answer all questions. -2- Question 1 Figure 1 Two circular A-36 steel1 rods are connected as shown in Figure 1. The rod CD has a diameter of 30mm. Both members are pin connected together at C (see figure detail). You are asked to determine: a b Identify what kind of structural
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CPR (MATH13- B10) Members: C06 Wrenbria Ngo C07 Julie – Ann Parañal C08 Dani Patalinghog C09 Marino Penuliar C10 Michael Sadsad CPR (MATH13- B10) Members: C06 Wrenbria Ngo C07 Julie – Ann Parañal C08 Dani Patalinghog C09 Marino Penuliar C10 Michael Sadsad
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Ocean County College Department of Chemistry Liquids and Solids Date Submitted: June 21‚ 2015 Date Performed: June 19‚ 2015 Lab Section: Chem-181DL1 Course Instructor: Prof. Amal Bassa Purpose The purpose of this experiment was to determine the boiling point of isopropyl alcohol and determine the melting point of acetamide. Procedure To begin I tied the test tube and thermometer together and inserted an inverted closed-end capillary tube into the test tube. I then
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Prof. Ioan Kosztin Lecture #23 Solid State Physics • Bonding in solids (metals‚ isolators‚ semiconductors) • Classical free electron theory of metals • Quantum theory of metals • Band theory of solids • Semiconductors • Lasers Classification of solids • Phases of matter: • solid (well defined shape and volume) • liquid (only well defined volume) • gas (no defined shape or volume) • plasma (an overall neutral collection of charged and neutral particles) • Solids • crystalline (atoms form a regular
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* Cube In geometry‚ a cube is a three-dimensional solid object bounded by six square faces‚ facets or sides‚ with three meeting at each vertex. As the volume of a cube is the third power of its sides ‚ third powers are called cubes‚ by analogy with squares and second powers. A cube has the largest volume among cuboids (rectangular boxes) with a given surface area. Also‚ a cube has the largest volume among cuboids with the same total linear size (length+width+height). * Parts:
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Liquids & Solids Pre Lab Questions: 3pts 1. What are the learning goals of this lab? The learning goal of this experiment is to view and experience the melting point and boiling point of different substances. 2. Why is acetamide not allowed in contact with your skin? What precautions does one have to take to work with this chemical? Acetamide is a carcinogen‚ which can cause cancer. Therefore‚ it should not be allowed to come in contact with a person’s skin. Any person working with this chemical
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Date of Experiment October 7‚ 2012 Report Submitted: October 7‚ 2012 Title: Liquids and Solids Purpose: The purpose of this experiment is to determine the boiling point of liquids and the melting point of solids. Procedure: I got all of my materials together and set up. I poured rubbing alcohol in a beaker and rubber banded it with the thermometer. I logged the last bubble that came out of the capillary tubes. After that I crushed the acetamide and carefully put it in the capillary tube
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