Hess Law Lab DESIGN Aspect 1: Problem: What is the molar enthalpy of formation of magnesium oxide? Variables: Manipulated: None Responding: None Controlled: Isolation of calorimeter‚ concentrations of substances involved. Aspect 2: Background Information: Assumptions: Specific heat capacity of water‚ we assume that the acid has the same qualities as water including heat capacity‚ and we assume the enthalpy of formation for magnesium oxide from the data booklet for theoretical
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Introduction Before explaining the Formula One (“F1”) event in Singapore‚ this report will firstly highlights and explain the background/rationale/nature of the F1 as world’s most prestigious motor-sporting event along with the Moto GP. Funded and developed by world’s best car and automobile manufacturers‚ such as Mercedes-Benz‚ Ferrari‚ McLaren and many others‚ as well as supported by various corporate and investors (Red-Bull‚ Air Force India and others)‚ F1 has been emerged as the “show-offs
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Solubility Product Determination Purpose • To determine the solubility product constant‚ Ksp‚ of an ionic compound. Introduction The solubility product constant‚ Ksp‚ is a particular type of equilibrium constant. The equilibrium is formed when an ionic solid dissolves in water to form a saturated solution. The equilibrium exists between the aqueous ions and the undissolved solid. A saturated solution contains the maximum concentration of ions of the substance that can dissolve at
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estimating costs‚ analyzing competitors costs‚ prices and offers‚ selecting a pricing method and selecting the final price‚ Singapore GP Pte Ltd employed 2 different pricing strategies. They are 1. Price discounts and allowances 2. Differentiated Pricing Promotional pricing was not used in the sale of the FORMULA 1™ SingTel Singapore Grand Prix tickets as none of the techniques: lost-leader pricing‚ special-event pricing‚ cash rebates‚ low-interest financing‚ longer payment terms‚ warranties and service
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Student provides Label or Box/Bag Qty 1 1 1 1 1 LabPaq provides Auxiliary Supplies BagCK1 © Hands On Labs‚ Inc. 1 1 1 1 1 1 1 1 1 1 1 LabPaq CK-1 Item Description Table salt Piece of string Isopropyl (rubbing) alcohol Tap water Paper‚ 5 cm x 5 cm for weighing chemicals Beaker‚ 100 mL‚ glass Cylinder‚ 25 mL 25-mL volumetric flask Pipet‚ Serological-2mL Bulb‚ Rubber Goggles-Safety Scale-Digital-500g Test Tube (1)‚ 13 x 100 mm Bolt‚ Metal – Small Magnet
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ABSTRACT: Silver nanoparticles are nanoparticles of silver which are in the range of 1 and 100 nm in size. Silver nanoparticles have unique properties which help in molecular diagnostics‚ in therapies‚ as well as in devices that are used in several medical procedures. The major methods used for silver nanoparticle synthesis are the physical and chemical methods. The problem with the chemical and physical methods is that the synthesis is expensive and can also have toxic substances absorbed onto
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Bibliography: 1) Atkins‚ P. W.‚ & De Paula‚ J. (2006). Physical Chemistry for the Life Sciences. New York‚ NY: W. H. Freeman and Company.8th ed.p:729-8 2) Petrucci‚ R. H.‚ Harwood‚ W. S.‚ & Herring‚ F. G. (2002). General Chemistry: Principles and Modern Applications
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UNKNOWN SAMPLE #97 COMPLEXOMETRIC DETERMINATION OF WATER HARDNESS DR. BUDRUK CHM 152 LL SEAN MARKIS 4 FEBRUARY 2015 Introduction Using a Lewis base neutral molecule to donate electron pairs (ligands) to a Lewis acid metal ion center to form a single cluster (complex) ion. When the complex ions forms with a metal ion (chelation) the ligand used is called the (chelating agent). EDTA acts as a great chelating agent due to the Nitrogen and Oxygen donating an electron pair to the
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Q1. What do you need in order to succeed in Formula One? The case studies emphasise that all three racing teams focussed on different strategies. Their strategies changed within the environment and circumstances‚ but what is overwhelmingly evident is that a team needs all the elements to be in synergy and for focus to be on every aspect of the strategy. As the old adage‚ ‘A team is only as strong as its weakest link.” This means that in order to be successful and to maintain success‚ you’ve got
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water molecules bound to each anhydrous salt unit. The formula of the hydrate copper(II) sulfate pentahydrate is CuSO4 · 5 H2O The dot indicates that the molecules of water are attached to the ions in CuSO4 by weak bonds. We can drive off the water of hydration by heating the hydrate. If blue CuSO4 · 5 H2O is heated‚ the water of hydration is released as water vapor‚ and solid white anhydrous CuSO4 remains.
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