Molecular Formula | Key Concepts * Empirical Formula of a compound shows the ratio of elements present in a compound. * Molecular Formula of a compound shows how many atoms of each element are present in a molecule of the compound. * The empirical formula mass of a compound refers to the sum of the atomic masses of the elements present in the empirical formula. * The Molecular Mass (formula mass‚ formula weight or molecular weight) of a compound is a multiple of the empirical formula mass.
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Introduction The Formula One World Championship was started in 1951 by private sportspersons. Today‚ Formula One is the world’s biggest motor sports event and is arguably the second most popular sport in the world. It consists of ten teams‚ with two cars each‚ contesting a 17-race series. It involves two titles‚ the Driver’s Championship and the Constructors Championship. Formula One today is a highly dependent on technology (Denison and Henderson‚ 2004). This article will discuss the resources
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Reconciling and Clarifying CLV Formulas Peter S. Fader www.petefader.com Bruce G. S. Hardie www.brucehardie.com † March 2012 1 Introduction A standard part of many contemporary Marketing courses is a case or exercise in which students are expected to compute customer lifetime value (CLV). Typically they are given an average retention rate r‚ an average net cashflow of $m per period (having accounted for “account maintenance” costs)‚ and an assumed discount rate d. Given these inputs‚ they are
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the information age‚ library professionals require new skills in seeking‚ processing and disseminating information. Soft skills are essentials for any professionals particularly library professionals today. This paper identifies the relevant soft skills required for library professionals and the importance of those soft skills. Keywords: - Soft Skills‚ Library Professionals‚ Soft Skills for Library Professionals Introduction We live in an information society where the development of information
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Excel Formulas and Functions Microsoft Office Excel is used to store data and crunch numbers in all types of businesses. The spreadhseet program’s power lies in Excel functions and Excel formulas‚ which allow all sorts of data analysis‚ from simple sums to standard deviations. Consider this Cheat Sheet your quick and easy Excel tutorial. Excel Functions You’re Likely to Use Some Excel functions apply to specific subject areas‚ but others are general and apply to all needs. The following list
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www.businessmonitor.com 2013 pHiLippineS food & drink report INCLUDES BMI’S FORECASTS iSSn 1749-2882 published by Business Monitor international Ltd. PHILIPPINES FOOD & DRINK REPORT 2013 INCLUDING 5-YEAR INDUSTRY FORECASTS TO 2017 Part of BMI’s Industry Survey & Forecasts Series Published by: Business Monitor International Copy deadline: December 2012 Business Monitor International Limited 85 Queen Victoria Street London EC4V 4AB UK Tel: +44 (0) 20 7246 5162 Fax: +44 (0)
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nitrogen gas?(2.8 mol) EMPIRICAL FORMULA WORKSHEET 1. What is the empirical formula for a compound which contains 0.0134 g of iron‚ 0.00769 g of sulfur and 0.0115 g of oxygen? (FeSO3) 2. Find the empirical formula for a compound which contains 32.8% chromium and 67.2% chlorine. (CrCl3) 3. NAME the compound which contains 0.463 g Tl (#81)‚ 0.0544 g of carbon‚ 0.00685 g of hydrogen and 0.0725 g of oxygen by finding its empirical formula. (TlC2H3O2)
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Formula of a Hydrate Lab Wednesday October 29‚ 2014 Chemistry Honors Purpose This lab was done to determine the percentage of water in a hydrate‚ which was CuSO4 ?H20. Not only the percentage of water can be found‚ the moles of water can be found per one mole of anhydrous salt. An anhydrous salt is a hydrate that lost its water. Using various lab equipment such as burners‚ crucible‚ and balance‚ and techniques such as the mass-to-mole ratio and mass to percentage‚ the percentage of water in a hydrate
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10/19/2011 Akruti Patel Lab Report #4: Determination of a chemical formula: the empirical formula of Magnesium Oxide 1. Purpose: Determine the empirical formula of magnesium oxide from the percent composition (this can found using the Analytical Method and the Synthesis Method). 2. Introduction: In the late eighteenth century‚ combustion has been studied extensively. In fact‚ according to Steven and Susan Zumdahl‚ Antoine Lavoisier‚ a French Chemist‚ performed thousands of combustion experiments
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Shawn Dubbs Lab 1 The Mole Concept of and the Chemical Formula of a Hydrate Abstract: The objective of this lab was to conduct an experiment to analyze the molar components in alum. This was conducted by heating the alum till the water had evaporated and then determining the number of moles for each component. Then using the these amounts to figure out the empirical formula for alum. Results: In order to determine how much of each separate component a total mass was taken before hand for
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