Adsorption Experiment This paper will be discussion the adsorption experiment conducted in Dr.O lab class. This paper will cover what Chitin/Chitson are but before explaining what these are it is best to get an understanding of what adsorption‚ absorption and sorption are. Adsorption is the accumulation of gases‚ liquids‚ or solutes on the surface of a solid or liquid. This binding is very weak. Almost anything such as fluids that dissolves can break the binding of the molecules. In addition adsorption
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A TECHNICAL REPORT ON PHASE CHANGE MATERIALS & SOLAR WATER HEATING USING PHASE CHANGE MATERIALS INDEX 1. Introduction 2. Types of Phase Change Materials 3. Selection criteria 4. Principle of solar water heater with phase change materials 5. Heat transfer analysis between water and PCM’s 6. Results 7. Conclusion CHAPTER – 1 INTRODUCTION PHASE CHANGE MATERIALS: The materials which undergo either boiling or condensing by absorbing heat from a medium or liberating
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Thermochemistry (((CLASS INFORMATION)) INTRODUCTION Thermal chemistry was intended to display that chemical reaction and phase changes involve energy. The energy of heat was presented when a change in temperature difference was evaluated. Chemical reactions in a calorimeter were used to determine the amount of heat produced by a reaction. Reactions that absorb heat were noted as endothermic‚ and reactions that release heat were noted as exothermic
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Ba2+ atomic size is increasing. It is larger when going down the column. So Ba2+ will be less soluble than Sr2+‚ Ca2+‚ and Mg2+. The bigger size (cation ionic size) makes Ba2+more difficult to soluble for solubility depends on hydration of cation (enthalpy of solution) → more precipitates. Part B 4. According to the procedure‚ we are supposed to look at the color that is seen in the hexane layer. A reaction is indicated if the final hexane color shows presence of a halogen other than the initial
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refers to a property of the system that depends only on its present state. ∙Internal Energy = heat + work ∆E = q + w ∙Pressure = Force/Area = P = F/A ∙Work= - external pressure × change in volume w = - P∆V Enthalpy H = E + PV qp = ∆E + P∆V ∆H = qp ∆H = H products H reactants Ideal Gas Law PV = nRT Energy "heat" = 3/2 R∆T Cv = 3/2 R = "heat" required to change the temp of 1 mol of gas by 1K at constant volume
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NAME_________________________________ STAMP________________ PERIOD____ PICTURES & GRAPHS A. The Atom 1. Calculate the average atomic mass using the spectrum below. 2. Answer the questions regarding the energy level diagram shown. a) The emission lines for the series above are in the IR‚ Vis and UV regions. Match the series with the region and justify your choice (FYI – AP you do not need to memorize the names of the series. IB will need to know then for next year). b) Would the wavelength
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WELDING RESEARCH SUPPLEMENT TO THE WELDING JOURNAL‚ DECEMBER 2006 Sponsored by the American Welding Society and the Welding Research Council Simulation of Weld Pool Dynamics in the Stationary Pulsed Gas Metal Arc Welding Process and Final Weld Shape A computer simulation accurately predicts weld pool fluid flow convection and final weld shape BY M. H. CHO‚ Y. C. LIM‚ AND D. F. FARSON ABSTRACT. The pulsed gas metal arc welding (GMAW-P) process was modeled numerically using a code based
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convection from the human body to the air. The latent heat gain is the energy required to condense the water vapor given off by human respiration and perspiration. The latent heat gain is the product of the mass of water vapor from humans and the enthalpy of evaporation for water vapor at atmospheric pressure. Person Qtotal Qsensible Qlatent Avg. person‚ at rest 350 [Btu/hr] 210 [Btu/hr] 140 [Btu/hr] 100 W 60 W 40 W Avg. person‚ light work 640 [Btu/hr] 315 [Btu/hr] 325 [Btu/hr] 185
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Heat Transfer Phenomena in Heat Gun – Effect of Melting Heat gun is actually a one of the common power tools which usually can be found in autoshop. This particular of tool looks alike to hair dryer (that normally being used in house to drying wet hair). Heat gun is actually pretty handy tool as it can be used to desoldering electronic components‚ shrink warping and heat shrink tubing‚ bending PVC pipe and tube‚ window tinting‚ vinyl and leather repair‚ as well as many others unconventional creative
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Bose–Einstein condensate From Wikipedia‚ the free encyclopedia Jump to: navigation‚ search Velocity-distribution data of a gas of rubidium atoms‚ confirming the discovery of a new phase of matter‚ the Bose–Einstein condensate. Left: just before the appearance of a Bose–Einstein condensate. Center: just after the appearance of the condensate. Right: after further evaporation‚ leaving a sample of nearly pure condensate. A Bose–Einstein condensate (BEC) is a state of matter
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