Surface Tension Properties of Liquids Introduction The purpose of this experiment is to measure and record the surface tension of water and other aqueous solutions using capillary rise method techniques and practicing lab safety. In this laboratory the surface tension of water depends on the concentration of the following solutes; NaCl‚ acetone‚ and sodium dodecyl sulfate (SDS). Intermolecular interactions as well as other phases (solid‚ or air) make a liquid exist. The data collected will show
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perpendicular to or normal to the section is called the normal stress. Normal stress may be tensile or compressive. Tensile stress: stresses that cause pulling on the surface of the section‚ (particles of the materials tend to pull apart causing extension in the direction of force) Compressive stress: stresses that cause pushing on the surface of the section‚ (particles of the materials tend to push together causing shortening in the direction of force) Strain • If a bar is subjected to a direct
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than the original number. Find the number. 9. A well is dug 20m deep and it has a diameter 7m. The earth‚ which is so dug out‚ is spread out on a rectangular plot 22m long and 14m broad. What is the height of the platform so formed? 10. The total surface area of a hollow cylinder open at both ends is 4620sqcm‚ area of the base ring is 115.5sqcm and height 7cm. find the thickness of the cylinder. 11. A hemispherical bowl is made of steel 0.5cm thick. The inside radius of the bowl is 4cm. Find
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otivationFM-II Assignment -1 Spring 2013 Cost of Capital Q1: Percy Motors has a target capital structure of 40% debt and 60% equity. The yield to maturity on the company’s outstanding bonds is 9% and the company tax rate is 40%. Percy’s CFO has calculated the company’s WACC as 9.96%. What is the company’s cost of common equity? Q2: Tunney Industries issued preferred stock at a price of $47.50 a share. The issue is expected to pay a constant annual dividend of $3.80 a share. What is the company’s
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The Living Yield Curve at SmartMoney.com More SEARCH Search or Quote Sunday March 15‚ 2009 9:44 PM ET HOME INVESTING SPENDING PERSONAL FINANCE TOOLS PORTFOLIO Login | Register | Help | Select FINANCIAL Bonds BIZ | Economy HELPLINE: | ETFs Have | Market a question Update |for Mutual SmartMoney? Funds | Short Email Termask@smartmoney.com Investing | Stocks or call us toll-free at 866-219-0687. SMALL BONDS Published September 29‚ 2000 | A AA MARKETS MY QUOTES MOST ACTIVE Index Price
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Surface Tension Steven Brignol Dr. Payne September 15 Introduction: Water’s ability to stick to itself is surface tension. In this lab we were able to measure and detect surface tension by dropping water‚ drop by drop‚ onto a penny. The quantity of droplets that fit on the penny was impressive. Hypothesis: The detergent will thicken the water making a tighter surface tension. Prediction: If soap increased the surface tension‚ then expansion will happen. Materials: (1) Pipette (2) Water
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Mathematics Volume of Solids Formulae for Volume of Solids Cube | Cuboid | Triangular Prism | Cylinder | Cone | Pyramid | Sphere | AnyPrism | s3 | lwh | ½bhl | Πr2h | 1/3πr2h | 1/3Ah | 4/3πr3 | Ah | A = area of the base of the figure s = length of a side of the figure l = length of the figure w = width of the figure h = height of the figure π = 22/7 or 3.14 1. Compute the volume of a cube with side 7cm. Volume of cube: s3 s = 7cm s3 = (7cm x 7cm x 7cm) = 343cm3 2. Compute
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Yield Management Before the introduction of modern pricing mechanisms‚ hotels were not maximizing their revenue potential. Managers were focusing more on achieving the highest occupancy rate instead of focusing on raising their revenue per available room. (RevPar). Future forecasts were being based on the last year’s performance without consideration of the current needs of their clientele. With the increasing uptake of technical analysts importance in dealing with revenue management
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alloy microstructures‚ thin films. e.g. the shape of planets; tectonics; and earthquake prediction; e.g. such as designing foundations or structures e.g. designing failure resistant interconnects and packaging e.g. stress driven self-assembly on surfaces‚ atomic-force microscope/sample interactions. Manufacturing engineering Materials Science Geomechanics Civil
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att t e s ie A few words on the history and future of surface chemistry For more than 400 years‚ important scientists and mathematicians like Leonardo da Vinci‚ Isaac Newton‚ Pierre Simon Laplace‚ Thomas Young‚ Siméon Denis Poisson‚ Josiah Willard Gibbs‚ Frederick M. Fowkes have done valuable pioneer work for the explanation of surface tension‚ capillarity‚ wetting and other interfacial problems. As a sector of physical chemistry‚ surface chemistry in connection with colloid chemistry established
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