Determine the theoretical yield of the NaCl product‚ showing all of your work in the space below. (5 points) 12.71 NaHCO3 / 84.01 g/mol = 0.1513 moles 0.1513 moles * 58.44 g/mol (NaCL molar mass) = 8.84197 g What is the actual yield of NaCl in your experiment? Show your work below. (4 points) 31.52 g 24.35 g = 7.17 g Determine the percent yield of NaCl in your experiment‚ showing all work neatly in the space below. (5 points) 7.17 g / 8.8197 g = 0.81295 = 81% If you had not heated the product long enough to remove all of the water
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many decisions. The demand of one good can be affected by various factors. This report will analyze the elasticity of demand for rail use and some strategies. Firstly‚ the theory of elasticity of demand will be introduced. Secondly‚ two pieces of expert advice about cutting rail fares will be evaluated. Thirdly‚ the solution of the conflict will be examined. Finally‚ the factors determining the elasticity of demand for rail use will be investigated. (i) Elasticity of demand is defined as “the percentage
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Over the course of the 19th century‚ the world economy experienced a large increase in trade: in 1913 the volume of foreign trade per capita was more than 25 times greater than in 1800. The largest expansion took place between the early 1840s and 1873 during which total trade was increasing at more than 6 % annually. One of the main causes behind these growth rates was the decline in freight rates – both transoceanic tariffs and domestic transport costs decreased‚ thanks to the the construction of
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Microeconomics Homework 4 Answer Key Part I: True/False and Multiple Choice 1. In equilibrium in the strawberry market‚ strawberries sell for $1.50 a quart. If the government institutes a price floor of $1 per quart of strawberries‚ the result will be a surplus of strawberries. a. The preceding statement is TRUE. b. The preceding statement is FALSE. 2. A price ceiling will lead to deadweight loss as a result of overproduction of the good at the higher ceiling price. a. The preceding statement
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Throughout history‚ scientific advancement in energy has enhanced civilization. As civilization grows‚ so does the increase in energy sources. Many of those advancements people rely on. Society enjoys the fruits of someone else’s labor without knowing intricate details about how lethal some of these energy source can be. The Chernobyl incident emphasizes the dangers the use of nuclear and radiological energy can have. The Chernobyl incident‚ caused irreversible change on the environment and its community
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Assignment: Principles of Economics Question : Suppose the price elasticity of demand for text books is two and the price of the text book is increased by 10%. By how much does the quantity demand fall? Inter the result and discuss reasons for the fall in quantity demand? Answer : % change in Quantity Price Elasticity of Demand = %change in price = 2 Percentage increase in price = 10%‚ Percentage decrease in quantity = 2 x 10
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Change in Demand and Supply and Coffee Prices Theoretical Basis Law of demand The negative relationship between price and quantity demanded: As price rises‚ quantity demanded decreases; as price falls‚ quantity demanded increases. Demand Curve A graph illustrating how much of a given product a household would be willing to buy at different prices. Law of supply The positive relationship between price and quantity of a good supplied: An increase in market price will lead to an increase in quantity
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phytoplankton the conditions to grow are the increasing temperatures of the oceans. Emissions are coming from places like cement production (which is a leading cause) deforestation‚ and fossil fuels like coal‚ natural gas and oil‚ which increase carbon emissions‚ which in turn‚ increase ocean temperatures. Without a human element on earth‚ the normal rate of carbon emissions would be drastically lower than what is it today and ocean temperatures wouldn’t be increasing at its current rate.
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A single country may have the ability to produce everything well enough to meet the demands of the population. Certain countries have specialties that they are willing to give another nation for a fair trade. Specifically in Canada despite having harsh winters and short summers‚ the country is able to provide its population with various tropical fruits. Popular breakfast choices including bananas and oranges would not be available for Canadians if it were not for international trade. International
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I. Introduction The Percent Yield lab is designed to further the students’ understanding of percent yield by having them predict how much material will be produced from a reaction; specifically a double replacement reaction. In order to perform the lab‚ a solid understanding of percent yield is necessary. According to Prentice Hall Chemistry book‚ percent yield is comprised of two main components. The first is the theoretical yield. The theoretical yield is what is calculated and predicted. It is
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