. At the time of writing Keynes’ approach to the demand for money was radical. However‚ The General Theory received much criticism and lead other economists to try and justify Keynes’ findings‚ particularly in respect to the inverse relationship between the interest rate and the demand for money. Of these‚ the most widely quoted model is the Baumol/Tobin inventory-theoretic-model developed separately by William Baumol (1952) and James Tobin (1956) resulting in similar conclusions. They are often
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procedures were performed. The first procedure was by conductimetric titration and by gravimetric determination. The conductivity was analyzed during the reaction between the sulfuric acid (H2SO4) and barium hydroxide (Ba(OH)2). Through the conductivity‚ the equivalence point can be determined; from there‚ the concentration of the Ba(OH)2 solution can be found. The final product of the reaction between sulfuric acid and barium hydroxide is insoluble. According to the lab manual‚ during the reaction‚ the
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Abstract In this lab‚ the relationship between Spanish moss (Tillandsia usneoides) and one of its host species‚ the Southern live oak (Quercus virginia) was observed on a portion of the University of Florida campus in Gainesville‚ FL. Spanish moss is an atmospheric epiphyte and the Southern live oak is a hardwood tree. Some possible interactions between the two species were neutralism‚ commensalisms‚ mutualism‚ and parasitism. It was hypothesized that the relationship would be commensalism‚ with
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IN VITRO EVALUATION OF ABILITY OF DENTAPORT ROOT ZX FOR ROOT CANAL LENGTH DETERMINATION AND ABILITY OF DENTAPORT TRI AUTO ZX TO START AUTO APICAL REVERSE MOTION AT THE CORRECT WORKING LENGTH By: Dr. Adil Shahnawaz BDS Supervisor: Dr. Alia Ahmed FCPS‚ BDS Assistant Professor Department of Operative Dentistry Islamic International Dental Hospital INTRODUCTION: The history of
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Unit 3 Chemistry: VCAA Practice Exam Questions 1 Question 3 (2010) A sample of the insecticide dichlorodiphenyltrichloroethane (DDT)‚ C14H9Cl5‚ was found to contain 0.120 g of carbon. What mass of chlorine was present in the sample? A. 0.127 g B. 0.355 g C. 0.994 g D. 1.01 g Question 10 (2009) The level of carbon dioxide in the air in a spacecraft can be controlled by passing the air through canisters containing lithium hydroxide‚ LiOH. In a laboratory trial‚ the air in a 5.00 L container
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the solution will reveal things such as melting point‚ percent hydrate‚ as well as percent sulfate. After the experiment‚ the experimental mole ratio of alum to water will be calculated and then compared with the accepted mole ratio. (This is 12 to 1). Theory If this lab if conducted properly‚ the unknown substance will be determined to be alum because of melting point‚ percent hydration and percent sulfate. The first test that will be run has the purpose of revealing the alum’s melting point. Melting
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Determination of Phosphorus Content of Fertilizer: Skill Building Lab © 2011‚ Sharmaine S. Cady East Stroudsburg University Gravimetric Analysis Skills to build: Using vacuum filtration Using a digital balance Using mass stoichiometry Doing a gravimetric analysis Fertilizer Scientists estimate that the earth ’s soil contains less than twenty percent of the necessary organic nutrients needed to meet our current food production. Carbon‚ hydrogen‚ and oxygen used to synthesize
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The purpose of this experiment is to determine the number of moles of water molecules of crystallization of a sample of hydrated Barium Chloride. This can be calculated using Gravimetric Analysis and to indirectly determine the percent composition of a hydrate by taking advantage of its chemical properties. Introduction: Gravimetric procedures are analytical methods in which the results are determined from the masses of starting materials and products. These methods differ
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purity‚ consistency) * efficacy (therapeutic indications‚ clinical studies‚ pharmacological investigations) * safety (adverse reactions‚ drug interactions‚ contraindications‚ precautions) Quality Control 1. Moisture Determination/Water Content Determination * Many drugs in the U.S.P. and N.F. contain varying quantities of water either as water of crystallization (hydrates) or as water in the adsorbed from. i. Water of crystallization is water that occurs in crystals
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Investigation 3 Determine the Limiting Reagent Chemistry Investigation 3 Limiting Reagents Aim: To determine the limiting reagent in a reaction. Hypothesis: if the number of moles of the solutions added together equals the stoichiometry ratio in the balanced equation‚ then we would not expect a limiting reagent in the reaction. Independent variable: The number of moles of the reactants Dependent Variable: The limiting reagent Constant Variable: The volume of reactants added Equipment:
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