Solid Essays & Research Papers

Best Solid Essays

  • solid states - 3492 Words
     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...
    3,492 Words | 22 Pages
  • Liquids and Solids - 384 Words
    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...
    384 Words | 2 Pages
  • Solid State - 2160 Words
    The Solid State General characteristics of solid state: Definite mass, volume and shape Short intermolecular distances Strong intermolecular forces Fixed lattice positions of the constituent particles Incompressibility and rigidity Classification of the solid state: Crystalline Amorphous (sometimes called pseudo solids or super-cooled liquids) Differences between the crystalline and amorphous solids Crystalline Have definite characteristic geometrical shape Melt at a sharp and characteristic...
    2,160 Words | 7 Pages
  • liquids and solids - 510 Words
     Purpose The purpose of this lab is to find the boiling point of the liquid and find the melting point of the solid. Procedure Boiling point: To find the boiling point of Isopropyl Alcohol I put about 1 mL of it in the test tube. Then I attached the thermometer to the test tube with a rubber band(make sure the thermometer bulb is lined up with the end of the test tube). After that I made a water bath with a beaker and put in the test tube with the thermometer. I then used a burner and a...
    510 Words | 2 Pages
  • All Solid Essays

  • Bonding in Solids - 690 Words
    Physics 215 Winter 2002 Introduction to Modern Physics 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...
    690 Words | 5 Pages
  • Imperfection in Solids - 1574 Words
    TERMPAPER TOPIC:- imperfection in solid’s NAME:-MILAN RAJAWAT Regd. No.:-11004886 Section:-M2R16 Roll No.:-B16 Subjet:-MEC208 INTRODUCTION For a crystalline solid we have tacitly assumed that perfect order exists throughout the material on an atomic scale. However, such an idealized solid does not exist; all contain large numbers of various defects or imperfections. As a matter of fact, many of the properties of materials are profoundly sensitive...
    1,574 Words | 8 Pages
  • Purification of Solids - 277 Words
    Purification of solids Aim: To separate a mixture of carboxylic acid and a neutral substance by treatment with aqueous sodium hydroxide and purifying the carboxylic acid, measuring the melting points of the neutral and the acid components. METHOD: A mixture of( 5g) Carboxylic acid and neutral compound were separated by adding 2 mol dm-3 sodium hydroxide (25cm3) to the mixture, which separated the water soluble sodium from the water insoluble neutral component, by filtration. The solid at...
    277 Words | 1 Page
  • Liquid and Solid - 359 Words
    Name:Shin Park|Date:06/14/2013| Exp 5: Liquids and Solids|Lab Section: | Data Table: Boiling Point Trial 1 Trial 2 Trial 3 Temperature when the last bubble has emerged ___83_˚C __82__˚C __82__˚C Average temperature from all three trials ___82.33_˚C % error ___.0849_% Melting Point Trial 1 Trial 2 Trial 3 Temperature when the acetamide melts __82__˚C _81___˚C __82__˚C Average temperature from all three trials ___81.66_˚C % error...
    359 Words | 2 Pages
  • Liquid to Solid - 413 Words
    Liquid to solid: Freezing Freezing or solidification is a phase transition in which a liquid turns into a solid when its temperature is lowered below its freezing point. When I hear the word “Freezing”,ice will be the first one that will pop out of my head,why? Because for me ice is the simplest of of how to express freezing and it is a great example to easily understand freezing.Many people get curious of why do ice,that is liquid that turned into solid melts in water?Its because Ice...
    413 Words | 2 Pages
  • Liquids And Solids - 358 Words
    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...
    358 Words | 2 Pages
  • Melting Point and Solid Acetaminophen
    Acetaminophen Abstract: The aim of this experiment is to prepare Acetaminophen (p-acetamidophenol), an amide. Acetaminophen will be created by treating an amine (p-aminophenol) with an acetic anhydride. Color impurities present in the solid acetaminophen will be removed and then the decolorized product will be collected on a Büchner funnel for further purification by crystallization. Purity will then be determined by melting point. Introduction: Acetaminophen is commonly used as an analgesic...
    539 Words | 2 Pages
  • Identification of Inorganic Solids - 836 Words
    Experiment 2 – Identification of Inorganic Solids Jesse Galina CHM 101 Lab Monday October 1, 2012 Unknown Solid – 2 Identifying my cation was rather easy because of the color of the powder when it was first given to me. It was pinkish/slight red when solid and when it was grounded up even further. This observation ruled out every cation except for some hydrated Co (II) salts. After being dissolved in water, the solution turned pink which agrees with the statement that the cation was...
    836 Words | 3 Pages
  • 12th Solid State Chem.
    1 Class XII: Chemistry Chapter 1: The Solid State Concept 1. Solid: Solid is a state of matter in which the constituting particles are arranged very closely. The constituent particles can be atoms, molecules or ions. Properties of solids: a. They have definite mass, volume and shape. b. Intermolecular distances are short and hence the intermolecular forces are strong. c. Their constituent particles have fixed positions and can only oscillate about their mean positions. d. They are...
    3,056 Words | 11 Pages
  • Glass Solid or Liquid - 381 Words
    Is glass a solid or a liquid "The idea that glass is a fluid is a very widespread myth." (Yvonne Stokes:1999,Discover Magazine) This myth has survived for centuries because glass is such a confusing matter which cannot be compared to the three ordinary kinds of matter described in our particle theory of matter. Gasses contain free flowing molecules which are much further apart then liquids and gasses which removes the possibility of glass being a gas. A liquid however contains tighter bound...
    381 Words | 2 Pages
  • Solid and Melting Point - 378 Words
    Solubility, Crystallization, and Melting Point Determination Pre-Lab Questions (2pts) Indicate the correct waste container for the following compounds: a. hexane - non-halogenated organic b. 10% NaOH - aqueous c. methylene chloride (dichloromethane) - halogenated organic d. magnesium sulfate - solid e. sodium hypochlorite - halogenated organic 2. (1pt) Describe the proper way to separate ground glass joints if they become stuck. The proper way to separate ground...
    378 Words | 2 Pages
  • Purity and Purification of Solids--Melting Points
    EXPERIMENT #1: THE PURITY AND PURIFICATION OF SOLIDS MELTING POINTS ABSTRACT Melting points of different mixtures of naphthalene and biphenyl were examined in this lab. Samples of these various mixtures were collected and tested by different individuals in the lab in order to find the eutectic point of biphenyl. Unknown substances were then tested using the mixture melting point method in order to determine their identities. INTRODUCTION The melting point of a solid is the...
    1,187 Words | 4 Pages
  • Solids Liquids and Gases Physics Gcse
    Look at these pictures. Label them as solid, liquid or gas. Use them to help you cross out the wrong information in the table below so you are left with only the correct information. solid liquid gas Extension: Using your table above, explain the following a) Why does a solid have a fixed shape? A solid has a fixed shape because the particles are very close together and arranged in strong regular lines although they vibrate the particles are so packed...
    298 Words | 2 Pages
  • Superplasticity: Inelastic Capability in Solid Materials
    Activity 3 Superplasticity is an intriguing inelastic capability in solid materials to deform (tensile elongation can be more than 2000%) appearing in high homologous temperature under exceptionally low stress, which is strongly dependent on strain rate. There are two kinds of superplasticity: fine-structure superplasticity (FSS) and internal-stress superplasticity (ISS) (Motyka & Sieniawski 2007: 123). While all materials do not exhibit superplasticity, there are a wide range of...
    453 Words | 2 Pages
  • Identification of an Unknown Solid by Melting Point
    ¥°. Summary of Results A. Melting point of Benzoic Acid Temperature (¡ÆC) Observation Unmelted White salt First liquid appear point 122 Grainy and shiny white Becoming all liquid 125 Clear B. Melting point of unknown #42 1st trial Temperature (¡ÆC) Observation Unmelted Shiny light yellow crystal First liquid appear point 99 Grainy yellow Becoming all liquid 101 Clear 2nd trial Temperature (¡ÆC) Observation Unmelted Shiny light yellow crystal First liquid appear point 95...
    521 Words | 2 Pages
  • Nucleation and Growth in Solid-State Reactions
    Nucleation As in solidification, nucleation occurs most easily on surfaces already present in the structure, thereby minimizing the surface energy term. Thus, the precipitates heterogeneously nucleate most easily at grain boundaries and other defects. Growth of the precipitates normally occurs by long-range diffusion and redistribution of atoms. Diffusing atoms must be detached from their original locations (perhaps at lattice points in a solid solution), move through the surrounding material...
    457 Words | 2 Pages
  • The Purity and Purification of Solids Recrystallization Lab
    The Purity and Purification of Solids Recrystallization ABSTRACT In this experiment, impure adipic acid is purified though recrystallization. The impure adipic acid is dissolved in a solvent. After cooling it is ran through a vacuum filter to separate any moisture. The dry crystals are then weight for percent yield and the melting point range is taken to test the purity. There were two different trials ran in this experiment. The difference between the two was the addition of charcoal in...
    1,644 Words | 5 Pages
  • The Purity and Purification of Solids- Melting Points of Napthalene and Biphenyl
    The Purity and Purification of Solids- Part 2- Recrystallization Courtney Percival CH 337 Laboratory, Section 037 Department of Chemistry Portland State University, Portland OR ABSTRACT INTRODUCTION Recrystallization is a commonly used tool in laboratories when dealing with impure solids. "An effective recrystallization is one in which 1) a high degree of purity is achieved as well as 2) a maximum recovery of sample".1 Solubility, the tendency of a substance to dissolve in a liquid, is an...
    709 Words | 5 Pages
  • Lab Design - 383 Words
    DESIGN LAB Factors Affecting the Solubility of a Solid in a Liquid In this experiment, my goal is to determine the affect of temperature in the solubility of a solid in a liquid. Research Question: How does the change in the temperature affects the solubility of a solid in a liquid? Independent variables: Temperature of the Solution Dependent variables: The solubility of the solid substance Controlled Variables: * The pressure of the room. * The mass of zinc chloride...
    383 Words | 2 Pages
  • Chemistry presentation - 133 Words
    An Introduction to Structure and Types of Solids Categories Crystalline Solids • Highly regular arrangement of atoms, ions and molecule • The position of the components are represent by a lattice • It has smallest repeating unit of lattice is called unit cell • Such as diamond, salt, sugar Amorphous Solid • A noncrystalline solid which their components not organized in lattice pattern. • Such as glass, plastic, gel Question 1. X rays from a copper X-ray tube (λ = 154) were diffracted at...
    133 Words | 2 Pages
  • Questions and Answers on Engineering Topics
    Engineering Materials Week 9 12.11 Iron titanate forms in the ilmenite crystal structure that consists of an HCP arrangement of ions. (a). Which type of interstitial site will the ions occupy? Why? Since this ratio is between 0.414 and 0.732, the ions will occupy octahedral sites (b). Which type of interstitial site will the ions occupy? Why? Since this ratio is between 0.414 and 0.732, the ions will also occupy octahedral sites. (c). What fraction of the total tetrahedral sites will...
    618 Words | 2 Pages
  • Lesson 2 - 966 Words
     Geology 101—Lesson 2 Assignment 1. What is meant by "hydrogen is the simplest of all elements"? Because hydrogen has an atomic number of only “1” which means it only has one proton in its nucleus and it is the only element with only one proton in its nucleus also has one electron 2. What must happen in order for an atom to lose its electrical neutrality? In order for an atom to lose its electrical neutrality the protons and...
    966 Words | 4 Pages
  • Gas and Atoms - 1250 Words
    Page 1 : E:\CC_Software\Workbench\CC-MW-CD\part2\phasechange\page1.cml 1. List three more everyday examples of phase change. -snow melting and freezing into ice -fuel being changed into gas for cars -ponds freezing over to have a layer of ice Page 2 : E:\CC_Software\Workbench\CC-MW-CD\part2\phasechange\page2.cml 1. Describe the motion of atoms and molecules in a gas. the atoms and molecules bounce off one another each time they come in contact with eachother. they never bond,...
    1,250 Words | 6 Pages
  • The Elasticity Of A Rubber Band In Different Temperatures
    The Question: Does temperature affect the elasticity of a rubber band? Our Hypothesis: We thought that in hot water that it will be the most elastic. Simply because hot water make things stretchy and moveable like balsa wood. Material: 1. Three Cups 2. Nine rubber bands (should be the same) 3. Cold Water 4. Hot Water 5. Room Temperature Water 6. Two pencils (you will see why later) 7. Four Ice Cubes 8. Water that is sitting in an indoor location 9. Stop Watch 10. Ruler Experimental 1. Take one...
    394 Words | 2 Pages
  • Gus Paper - 2231 Words
    Guess Paper – 2009 Class – XII Subject –Chemistry : Solid State (Q.1) The appearance of colour in solid alkali metal halides is generally due to: ( 1 mark ) (a) Frenkel defect(b) Interstitial positions(c) F-centres(d) Schottky effect (Q.2) Schottky defects in crystal is observed when ( 1 mark ) (a) unequal number of cations and anions aremissing from the lattice(b) equal number of cations and anions are missing from the lattice(c) an ion leaves its normal siteand occupies an...
    2,231 Words | 9 Pages
  • na lie - 261 Words
     INTRODUCTION. SOLIDS, LIQUIDS AND GASES have properties that are use to describe how they behave, e.g. for solids it has a definite shape, you can hold a solid rock in your hand. You can push on a solid brick wall. Scientists say a solid is something that has shape. A solid resists any change in its shape. TASKS 2. LOOK AT THE PICTURES BELOW FOR SOLID, LIQUID AND GAS AND WRITE DOWN THREE PROPERTIES OF EACH? Wood as a Solid. Solid has a fixed shape Its particles...
    261 Words | 2 Pages
  • Synthesis of Aspirin Data - 338 Words
    I. DATA AND OBSERVATIONS Table 1. Description of reagents. Reagents Description Salicylic acid Fine powdery white solid crystals 95% ethanol Clear colorless liquid Acetyl chloride Clear colorless liquid with gas escaping from container FeCl3 Clear colorless liquid Commercial aspirin Fine powdery white solid crystals I2/KI Deep black liquid KMnO4 Brownish liquid Phosphoric acid Clear colorless liquid Table 2. Preparation of Aspirin. Description Salicylic acid +...
    338 Words | 2 Pages
  • Melting Point of Benzophenone & Unknown Discussion
    VI: Conclusion: The melting point of a compound is the temperature at which the solid is in equilibrium with its liquid. A solid compound changes to a liquid when the molecules acquire enough energy to overcome intermolecular forces holding them together in an crystalline lattice structure. The melting point range is defined as the span of temperature from the point at which the crystals first begin to liquefy to the point at which the entire sample is liquid. This data can be tabulated...
    439 Words | 2 Pages
  • cme 260 mid term
    CEMM 260/261 J. E. Indacochea NAME____________________________ I. D. # ____________________________ SAMPLE MIDTERM EXAM I PROBLEM 1. (15 points) Calculate the theoretical density of FCC copper. The atomic mass of copper is 63.54 gm/mol and the radius of each atom is 0.1278 nm. PROBLEM 2. (15 points) a). In a unit cubic cell draw the crystal planes and directions that have the following Miller indices: (2 1 3), (1 3 2), (1 0 1), [1 2 3], [1 1 1] and [2 2 3]. b). Label the...
    311 Words | 3 Pages
  • Best Water Filter-Choose the Optium Filter Specific to Your Needs
    Find complete information on oil filter press, oil filtering process with technical specifications, types and more. Oil Filter Press Filter Presses are used to filter the extracted oil from all kinds of Disc vacuum filter impure substances. They are used for clarification of oil as well as collection of solids or precipitates. Filter presses are used to filter and purify all types of liquids from impurities. Filtered oil is considered to be completely pure and fresh and good for...
    401 Words | 2 Pages
  • Quartz Crucible - 251 Words
    Ingots are grown through a process known as Czochralski (CZ) method. CZ ingot growth requires chunks of virgin polycrystalline silicon which are placed in a quartz crucible along with small quantities of elements called dopants - the most common of which are boron, phosphorus, arsenic and antimony. The materials are heated to a temperature above the melting point of silicon, 1420 degrees Celsius. Once the polycrystalline and dopant combination has been liquefied, a single silicon crystal, the...
    251 Words | 1 Page
  • Ssadsda - 1827 Words
    Catalytic and Non Catalytic Growth of Ga2O3nanostructure over Silicon Substrate Narendra Pandwa-2009PH10727 K Sai Teja Reddy-2009PH10723 Supervisor: Dr. Rajendra Singh Abstract: The available literature and synthesis techniques were reviewed briefly. In the project we present experimental work on the non-catalytic growth of Ga 2O 3 nanowires and their characterization. The major aim was synthesis of Ga2 O3 nanowires along with other nanostructure such as nano-belt, nanoribbon, nano-sheets etc....
    1,827 Words | 6 Pages
  • chemistry project - 837 Words
    ASN SENIOR SECONDARY SCHOOL CHEMISTRY INVESTIGATORY PROJECT WORK (2014-15) ABHISHEK AGRAWAL XII – C Roll No. : Investigatory Project On Study the Diffusion of Solids in Liquids SUBMITTED TO: Mr. SANDEEP RATHI CONTENTS Certificate4 Acknowledgement5 Aim6 Introduction7 Objective8 Experiment No. 19 Experiment No. 2 10 Experiment No. 3 12 Result 14 CERTIFACTE This is to certify that this investigatory chemistry project on DIFFUSION OF...
    837 Words | 5 Pages
  • Chem Lab - 347 Words
    Determining the Melting Point of a Substance Purpose The purpose of this lab is to determine the melting point of the substances naphthalene, biphenyl and a mixture of C. Data/Observation Sample | Melting Point Range (°C) | | Accurate trialStart Done | Naphthalene | 81 | 85 | Biphenyl | 71 | 73 | Mixture C | 42 | 56 | Questions: 1. The effect of the impurity on the mixture caused the melting point of the mixture to be lowered....
    347 Words | 2 Pages
  • Freezing Melting Lab - 838 Words
    Freezing and Melting of Water. 10/24 Richard Landolfi Due Date:11/1 Purpose the purpose of this lab is to determine the freezing and melting temperature of water. Freezing temperature, the temperature at which a substance turns from a liquid to a solid, and melting temperature, the temperature at which a substance turns from a solid to a liquid. Hypothesis If the water is at a low temperature then it will...
    838 Words | 4 Pages
  • hume rothery rules - 911 Words
    Metals and alloys. Hume-Rothery rules. 1. Three types of metals. 2. Alloys. Hume-Rothery rules. 3. Electrical resistance of metallic alloys. 4. Applications of metallic alloys. 5. Steels. Super alloys. 6. Electromigration in thin wires. Three types of metals Metals share common features that define them as a separate class of materials: • Good thermal and electrical conductors (Why?). • Electrical resistance increases with temperature (Why?). • Specific heat grows linearly with...
    911 Words | 8 Pages
  • The Chemistry of Copper: AP Chemistry Lab Report
    The lab was to include a purpose, procedure, data/observations, all reactions and side reactions written out with qualitative data beneath each product and reactant except H20, and a summary. The purpose of this experiment is to observe the qualitative aspects of a series of reactions involving copper. Procedure 1.Measure about 1g of solid copper. 2.Place Cu in Erlenmeyer flask and place flask under fume hood. 3.Add dropwise 15M HNO3 until solid copper is completely reacted. 4.Place flask...
    437 Words | 4 Pages
  • Solubility and 4-inch Test Tube
    CHEMICAL EQUILIBRIUM Cristian C. Calizo Joshua Kevin K. Uy College of Engineering College of Engineering Date Performed: Jan. 7, 2014 Date Submitted: Jan 14, 2013 Methodology Iron (II) – Silver Ions System 1 ml each of 0.10 M FeSO4 and 0.10 M AgNO3 were mixed and shaked in a 4-inch test tube. The mixture was centrifuged, and the supernate was decantated into a test tube. Separate drops of the supernate was tested for presence of Fe2+, Ag+ and...
    409 Words | 2 Pages
  • Heat of Fusion Lab - 1550 Words
    Activity C03: Heat of Fusion for Ice (Temperature Sensor) |Concept |DataStudio |ScienceWorkshop (Mac) |ScienceWorkshop (Win) | |Phase change |C03 Heat of Fusion.DS |C03 Heat of Fusion |C03_ICET.SWS | |Equipment Needed |Qty |Equipment Needed |Qty |...
    1,550 Words | 9 Pages
  • For Physics - 815 Words
    HG-1 THE HEAT OF FUSION OF ICE Introduction When heat flows into a system there are a number of things that can happen. One result could be a temperature rise. Or, the system might even catch fire. A third possibility is a change of state. As you know, matter exists in three states (or maybe four, the fourth being a plasma), solid, liquid and gaseous. At different temperatures, the same substance may be in different states. Each state is characterized by the way the interatomic forces act. In...
    815 Words | 3 Pages
  • Diffusion - 579 Words
    "Diffusion - How atoms move through solids" Diffusion means mass transport by atomic motion. The mechanisms of Gases & Liquids is known as random (Brownian) motion
and for solids is known vacancy diffusion or interstitial diffusion. Simply we can define diffusion as, the movement of particles in a solid from an area of high concentration to an area of low concentration, resulting in the uniform distribution of the substance. (Diffusion chapter 5, 2008, p.1) Ronald D. Kriz(1999) suggests...
    579 Words | 2 Pages
  • the experiment of qualitative analysis of cations
    Experiment # 8 Qualitative Analysis of Cations Objectives Part I: Separate a mixture of known cations: Pb2+, Fe3+, Al3+, Cu2+, and Ca2+ into individual ions. Perform a series of tests to become familiar with reactions characteristic of each cation. Part II: Separate and identify individual cations in an unknown solution containing a mixture of up to five cations. Use information gathered in part I to identify the cations. Introduction Qualitative analysis is a general name for the...
    1,814 Words | 8 Pages
  • New Separation Technology of Mineral Processing Equipment
    Processing of ores in mineral processing equipment, in order to ensure the required quality of the slurry when the leaching of the ore dressing equipment, so before the slurry leaching with concentrated operations, after leaching the pulp slurry and chemical precipitation should be subject to the solid phase and liquid phase separation, in order to meet the requirements of the subsequent operations.Vibrating grizzly feeder The technology selected for the purpose to reach the solid-liquid...
    550 Words | 2 Pages
  • Experiment 3: "Identifying a Constituent of Panacetin"
    To: Aron Huckaba From: Peyton Lewis Date: 9/20/12 Subject: Experiment 3: “Identifying a Constituent of Panacetin” Partner: Julie Covington Introduction This experiment was a continuation of Experiment two, with a slightly different question to be answered. In this experiment, we are trying to find the identitiy of the unknown component of Panacetin. This is answering question 2 of the two questions that were to be answered in experiment 2. The equation of this reaction is as follows...
    1,399 Words | 4 Pages
  • Highly Selective Co Methanation over Amorphous Ni–Ru–B/Zro2 Catalyst
    Available online at www.sciencedirect.com Chinese Chemical Letters 20 (2009) 889–892 www.elsevier.com/locate/cclet Highly selective CO methanation over amorphous Ni–Ru–B/ZrO2 catalyst Qi Hai Liu, Xin Fa Dong *, Wei Ming Lin School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China Received 15 December 2008 Abstract Amorphous Ni–Ru–B/ZrO2 catalyst was prepared by the means of chemical reduction, and selective CO methanation as a...
    1,781 Words | 5 Pages
  • Ionic compounds - 480 Words
    Abstract: When ionic compounds are dissolved in water, they break apart into ions. In this lab the opportunity to mix two ionic solutions and observe the results was given. Some ions will remain dissolved and uncombined in the solution even when they are mixed with other ions. When other ions are mixed, they form compounds that appear as cloudy or grainy precipitates. The objective of this lab was to observe the formation of compounds and to write the names and formulas of ionic compounds. It...
    480 Words | 2 Pages
  • Lab Report of the Preparation of Cds
    EXPERIMENT REPORT (PREPARATION OF CdS) Experiment Purposes 1. To master the proper operations as well as the suitable situations of atmospheric pressure filtration, vacuum filtration, centrifugal separation & precipitation washing 2. To understand the relation between precipitation state % precipitating conditions 3. To learn the way to examine whether reactants are fully precipitated 4. To learn the principals of powder material synthesizing through room temperature solid phase...
    867 Words | 3 Pages
  • Electric Discharge Machining - 526 Words
    ELECTRIC DISCHARGE MACHINING INTRODUCTION * Sometimes it is referred to as spark machining, * Its a manufacturing process whereby a desired shape is obtained using electrical discharges (sparks). * Material is removed from the workpiece by a series of rapidly recurring current discharges between two electrodes, separated by a dielectric liquid and subject to an electric voltage. * One of the electrodes – ‘tool-electrode’ or ‘tool’ or ‘electrode’. * Other electrode -...
    526 Words | 2 Pages
  • moulding - 537 Words
    Injection MoldingMolding Process Description ver. 1 ME 4210: Manufacturing Processes and Engineering Prof. J.S. Colton © GIT 2009 1 Overview • Equipment • Process ME 4210: Manufacturing Processes and Engineering Prof. J.S. Colton © GIT 2009 2 Equipment Clamp Cl Mold M ld Barrel B l Hopper ME 4210: Manufacturing Processes and Engineering Prof. J.S. Colton © GIT 2009 3 Equipment ME 4210: Manufacturing Processes and Engineering Prof. J.S. Colton...
    537 Words | 10 Pages
  • Recrystallization Lab Report - 1030 Words
    Raquel Johnson October 19, 2014 Solids: Recrystallization and Melting Points Organic Chemistry 2423 Lab Report: Recrystallization Abstract: The purpose of this lab was to purify an unknown compound by recrystallization. Taking an unknown compound and identifying it by purifying it from its impurities through the use of hot gravity filtration. Then to determine the unknown you were to take the melting point. An unknown compound was recrystallized from hot water to produce 0.99 grams (67%...
    1,030 Words | 4 Pages
  • Crystallization of Zinc Sulphate Single Crystals and Its Structural, Thermal and Optical Characterization
    Journal of Bangladesh Academy of Sciences, Vol. 35, No. 2, 203-210, 2011 CRYSTALLIZATION OF ZINC SULPHATE SINGLE CRYSTALS AND ITS STRUCTURAL, THERMAL AND OPTICAL CHARACTERIZATION J.K. SAHA AND J. PODDER* Department of Physics, Bangladesh University of Engineering and Technology, Dhaka-1000, Bangladesh ABSTRACT Zinc sulphate (ZnSO4.7H 2O), an inorganic material has been crystallized by an isothermal evaporation method. ZnSO 4.7H2O is highly soluble in water and the solubility is found to be...
    2,621 Words | 9 Pages
  • 3 06CovalentandIonicPropertiesLabWorksheet - 356 Words
    Name: _______________________ 3.06: Lab and Guided Lab Report Part I: Prelab Research the answers to the following questions on the internet, and write your answers in your own words. For each answer, include the address of the website (or title and author of a book or article) that you used to help you answer the question. 1. Which type of compound usually has higher melting points, ionic compounds or covalent compounds? What is the reason for this difference in melting points? (3...
    356 Words | 3 Pages
  • Analytical Chemistry Questions - 894 Words
    Analytical Chemistry Daniel C. Harris: 7-4, 8,10,12,16 7-4) A 1.000g sample of unknown analyzed by Reaction 7-2 gave 2.500g of bis(dimethylglyoximate) nickel(II). Find the wt% of Ni in the unknown. 7-8) The man in the vat. Once upon a time, a workman at a dye factory fell into a vat containing a hot concentrated mixture of sulfuric and nitric acids, and he dissolved! Because nobody witnessed the accident, it was necessary to prove that he fell in so that the man’s wife could collect his...
    894 Words | 3 Pages
  • Pure Substances and Mixtures - 506 Words
    What is the particle theory? The particle theory says that that matter consists of many small particles with spaces in between. The particles are constantly moving, the higher it’s temperature, the faster they move. All the particles are attracted to each other. The particles move faster and move further apart when heated, and the reverse when cooled. Each substance has unique particles that are different from the particles of other substances. Particle theory helps to explain the behaviour of...
    506 Words | 2 Pages
  • physical change - 1708 Words
    A physical change can affect the size, shape or color of a substance but does not affect its composition. The substances may be changed to another phase (i.e. gas, liquid, solid) or separated or combined. Examples: when ice melts when sulfur is mixed with iron filings. breaking a glass dissolving sugar in water Examples of Physical Change Everything is made up of atoms. When atoms bond they form different molecules. The varying properties that objects inherit, are a consequence of...
    1,708 Words | 8 Pages
  • Cannizarro Reaction - 1239 Words
    Cannizzaro Reaction History: Stanislao Cannizzaro was an Italian chemist. He made his first contribution to chemical research in 1851 when he, along with F.S. Cloez, a French chemist, prepared cyanimide using ammonia and cyanogen chloride in an ethereal solution. Later that year, he became a professor in physical chemistry in Alessandria. It is there where Cannizzaro discovered that aromatic aldehydes can be decomposed into a mixture of the corresponding acid and alcohol by using an...
    1,239 Words | 5 Pages
  • States of Matter - 470 Words
    Subject:Chemistry Topic:States Of Matter What is matter? Matter is anything that has mass and occupies space. All matter can exist in three(3)states. There are: solid, liquid and gas. In addition, all matter is made up of particles: atoms, molecules and ions. Solids In the solid state state, the particles are packed closely together in a regular manner. The focus of attraction between these particles are very strong and as a result solids are usually very hard and very difficult to...
    470 Words | 2 Pages
  • Lessoon Plan in Science and Health
    A Detailed Lesson Plan in Science and Health for Grade Three Pupils By: Angel Rose A. Moywela Learning Competency: Describe the different characteristics of solid. I. OBJECTIVES: At the end of the lesson, the pupils are expected to: 1. Describe the different characteristics of solid. 2. Classify solids according to shape, hardness, texture and color. II. A. Subject Matter: Classification of Solid B. References: PELC III Ramos, Ethel Grace A., et al. Science Links:...
    1,219 Words | 4 Pages
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