"Exp 11 determination of water hardness" Essays and Research Papers

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    Determination

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    Determination In “The Glass Castle” we see many different possibilities pertaining to Maslow’s Hierarchy of Needs. We see the father‚ Rex and one of the daughters‚ Maureen‚ who fall victim to Maslow. Then there’s Jeanette and the mother‚ Rose Mary who have both seemed to achieve self-actualization regardless of their hardships. Traditionally‚ Maslow’s Hierarchy is thought to be achieved by working up from the bottom of the pyramid to get to the top. However‚ in “The Glass Castle” this is not particularly

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    change of the water in the aluminium can • Can used as calorimeter • Mass of water in calorimeter • The room temperature (environment) It is important that the controlled variables are all kept the same because it makes the experiment more reliable and accurate. Ways to ensure that the controls are kept the same is to record the measurements of the equipment and substances being used such as the distance from the top of the wick to the bottom of the can and the mass of the water inside the can

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    Exp 10 Prelab

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    Khoa Kirk Hoang OCHEM 262 Lab: Exp 35- Oxidation + Reduction Tablular Data Pre-Weighted Flask | Product + Flask | Product | % Yield | 5.36g | 5.401g | 0.041g | 41% | (60-70% = Acceptable) Actual Melting Point | Experimental Melting Point | 212C | 199.8 | ------------------------------------------------- (10C-15C variations acceptable) Reasons %yield: A reason that our percent yield is lower then what is acceptable can be due to various reasons. First‚ the amount of product we

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    Comparing Hardness and Density of a Solid Name of Solid Hardness Density Talc 1 2.75 Fluorite 4 3.13 Calcite 3 2.71 Quartz 7 2.62 Gypsum 2 2.3 Apatite 5 3.19 My graph has no correlation. My hypothesis for this Experiment is that a mineral is able to scratch a mineral with a lower number and can‚ therefore be scratched by a mineral with a higher number. A mineral’s density is the amount of matter in a given space (mass/volume). Each mineral has a characteristic density (density

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    Bending Moment Exp

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    DEPARTMENT OF CIVIL ENGINEERING COLLEGE OF ENGINEERING CEMB 121 MECHANICS OF MATERIALS LABORATORY LABORATORY EXPERIMENT NO. 3 BENDING OF BEAMS - (a) Bending Moment I (b) Bending Moment II SECTION 1 GROUP NUMBER 3 GROUP MEMBERS 1. YEOW SU LEE ( CE085335 ) 2. JOUDI J. MOOSOM ( CE085338 ) 3. NINI EZLIN ROSLI ( CE086340 ) 4. MOHD AFIQ AFIFE BIN ABAS ( CE085310 ) 5. ROHAM HADIYOUN ZADEH ( CE085851 ) DATE OF LABORATORY SESSION 6 DECEMBER 2010

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    exp 05 complete

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    Verification of Beer- Lambert’s Law 1.6 1.4 Absorbance 1.2 1.0 0.8 0.6 0.4 0.2 0.0 0 5 10 15 Concentration (M) X 10 20 25 6 Table-01: Determination of molar extinction co-efficient Concentration x 106 M Absorbance 5 10 15 20 25 0.2430 0.4930 1.0140 1.1920 1.5110 Molar extinction co-efficient (ξ ) mol-1Lcm-1 0.06470 34 Table- 02: Determination of maximum absorbance of crystal violet during alkaline hydrolysis at different time Time (min) 1.0000 3.0000 5.0000 7.0000 10.0000 13.0000 17

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    Profit Determination

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    Profit Determination Prepared by John Hoggett and Clare Innes Measurement of Profit • Cash basis • Cash income received - Cash expenses paid – Revenues recorded when received – Expenses recorded when paid • Accrual basis • Profit = Income (incl. Revenues) - Expenses – Revenue is recognised when the anticipated inflow of economic benefit can be reliably measured – Expenses when the consumption of benefits can be reliably measured 2 Adjusting Entries • The need for adjusting entries-

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    Experiment Title : Determination of relative densities and water absorption of coarse aggregates. Objective : To determine the relative densities and water absorption of a coarse aggregate. Description of Sample : The sample used was naturally occuring riverside aggregate and was left to soak for 24 hours prior to the experiment. Apparatus Required A pycnometer – a pycnometer is a litre glass jar which has a conical screw on it ’s lid‚ and a small aperature at the apex of the conical lid. The

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    study the hardness of different types of materials‚ and to understand the significance of this property in materials. The materials and the aforesaid property have significant use in civil engineering. Hardness is defined as a measure of a material’s resistance to localised plastic deformation (i.e. small dents or scratches). As said above‚ a variety of metal alloys were used in the experiments to understand how each of these metals is characterised as a hard metal and to compare the hardness of different

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    Labpaq Exp 6

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    chemical properties of pure chemical substances by subjecting them to various environmental extremes. Procedure: Filled each test tube with substances provided and subjected them to various conditions. These conditions included‚ heat‚ cold water‚ hot water‚ acid and basic additions and tested on litmus paper. The reactions were observed and documented at each step. Data tables: Substance name Color Odor Effect of heat Cold H2O Hot H2O Litmus Test Dilute HCl Dilute NaOH Mg Small silver

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