other objective is to calculate each percent composition of the substance that was in the mixture. Introduction : Percent composition is about calculating the percentage of a specific substance in a mixture or compound. It is used mostly to calculate the percentage of an element in a compound using moles. To find percent composition in a mixture‚ the first thing need to be done is by using separation technique to separate the substances. In this experiment‚ by knowing that salt is soluble in water
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Chapter 4 15. For discrete compounding‚ to find the EAR‚ we use the equation: EAR = [1 + (APR / m)]m – 1 = .0719‚ or 7.19% EAR = [1 + (.07 / 4)]4 – 1 EAR = [1 + (.16 / 12)]12 – 1 = .1723‚ or 17.23% = .1163‚ or 11.63% EAR = [1 + (.11 / 365)]365 – 1 To find the EAR with continuous compounding‚ we use the equation: EAR = er – 1 EAR = e.12 – 1 = .1275‚ or 12.75% 23. Although the stock and bond accounts have different interest rates‚ we can draw one time line‚ but we need to remember to
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Suppose Mr X deposits each year Rs 500‚ Rs 1000‚ Rs 1500‚ Rs 2000 and Rs 2500 in his saving bank account. The interest rate is 5% yearly. He wishes to find the future value of his deposits at the end of 5th year. End of Amount Number of years Compound Future year deposited compounded interest factor Value Col (1) Col(2) Col(3) Col(4) (2) X (4) 1 500 4 1.216 608 2 1000 3 1.158 1158 3 1500 2 1.103 1654 4 2000 1 1.05 2100 5 2500 0 1 2500 FV=500 X (1.05)5+1000 X (1
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The interest rate expressed in terms of the interest payment made each period is called the _____ rate. A. stated annual interest B. compound annual interest C. effective annual interest D. periodic interest E. daily interest 5. The interest rate expressed as if it were compounded once per year is called the _____ rate. A. stated interest B. compound interest C. effective annual D. periodic interest E. daily interest 6. The interest rate charged per period multiplied by the
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Evaluation and Characterization of Seawater RO Membrane Fouling Dr. Sambhu Saran Mitra – Water System Manager‚ Antony Rajan Thomas – Chemist and Guo Tian Gang – Water Engineer‚ Sembcorp Gulf O&M Co Ltd‚ Fujairah Water & Power Plant‚ Fujairah‚ PO Box 5024‚ UAE. Email: sambhu.mitra@sembcorp.com Mobile: +971503994191‚ ABSTRACT Fresh water shortage is a growing problem facing the world‚ especially in the Middle East. With the rapid increase in fuel price‚ seawater reverse osmosis (SWRO) is increasingly
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PREPOSITIONS WHAT ARE PREPOSITIONS? Prepositions are words that demonstrate association between a noun or pronoun and another word‚ that is‚ to show how they are joined with some other word in a sentence. Examples: 1. The book is on the bed. 2. The book is under the bed. The various prepositions‚ on and under‚ used before the noun bed show the different positions of the book with regard to the bed. It shows the relation between the book and the bed. This is the function of Preposition
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P1: FXS/ABE P2: FXS 9780521740517c22.xml CUAU031-EVANS October 20‚ 2011 14:38 CHAPTER 22 MODULE 4 Revision: Business-related mathematics 22.1 Multiple-choice questions 1 Bennet invested $15 000 for 3 years. He earned 6.5% per annum interest‚ compounding annually. The value of his investment at the end of three years‚ to the nearest dollar‚ is: A $15 004 B $18 119 C $18 220 D $17 925 E $35 850 2 Chen purchased a second-hand car for $20 250. She paid a deposit
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impure substance and the other substances in the mixture are impurities. The preparation of compounds usually involves their separation or isolation from reactants or other impurities. The separation of the components of mixtures is based upon the fact that each component has different physical properties. The components of mixtures are always pure substances‚ either compounds or elements and each pure substance will possess a unique set of properties. Similarly‚ every crystal of a
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amine and nitrous acid react together‚ it results in a diazonium compound and this process is called diazotization. In this experiment‚ we are asked to find out the concentration of unknown solutions of nitrite and phosphate. In order to perform the experiment‚ diazotization method for NitriVer 3 nitrite reagent powder pillow and PhosVer 3 phosphate reagent powder
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Experiment No. 9 INTEGRATED CONCEPTS OF EQUILIBRIUM RESULTS AND DISCUSSION A system in equilibrium can be affected by the addition of another reagent leading to a change in chemical equation with a new equilibrium constant. An overall reaction is the sum of two or more reaction steps with different equilibrium constants. The overall equilibrium constant‚ Koverall‚ is the product of the equilibrium constants of the individual reaction step. If a reaction step is reversed‚ the equilibrium
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