complex reactions and reaction sequences‚ where raw materials react together to give the product. Such chemical process often releases energy‚ in the form of heat‚ and the reaction is described as exothermic. Many of these reactions may also evolve gases at high rates‚ and could cause reactor over-pressure. Thermal runaway reaction Runaway reactions are thermally unstable reactions where the heat of reaction can raise the temperature of the reactants sufficiently to accelerate the reaction rate out
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Investigating the rate of reaction between Marble Chips (Calcium Carbonate) and hydrochloric acid Aim. In the investigation I am going to find out how the surface area affects the rate of reaction by measuring the amount of gas produced and weight loss in a reaction between small/large pieces of Marble Chips (Calcium Carbonate) and Hydrochloric acid per minute. Hypothesis. The rate of reaction increases when the surface area of a solid reactant is increased. This happens because by
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is day 0‚ the loan will be initiated on day 60 and will mature on day 210.) The implied forward rate over 150 days‚ and hence the rate on 150-day FRA‚ is 2.5%. The actual interest rate over that period could be either 2.4% or 2.6%. (a) If the interest rate on day 60 is 2.6%‚ how much will the lender have to pay if the FRA is settled on day 60? How much if it is settled on day 210? (b) If the interest rate on day 60 is 2.4%‚ how much will the lender have to pay if the FRA is settled on day 60? How much
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One view is that the literacy rate has risen from 72% to 90% in the last 30 years. According to the 2005 Functional Literacy‚ Education‚ and Mass Media Survey conducted by the National Statistics Office (NSO)‚ 48.4 million or 84% of the estimated 57.6 million Filipinos who are 10 to 64 years old are said to be "functionally" literate (Source: "8 out of 10 Filipinos are functionally literate" by D. Pepito‚ TODAY newspaper‚ February 17‚ 2005). Functional literacy was found to be higher in females
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can be potentially more important for the next generation than it is for us. The issue is birth rate or population‚ what it is now and what it will be in the future. First of all‚ what is birth rate? The birth rate is the total number of births per 1000 of a population in a year. As you may know‚ by subtracting the death rate from the birth rate we will result in the rate of population. Here is a display of the birth rate from 1950 to 2015. Year Birth rate 19501955 37.2 19551960 35.3 19601965 34.9
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Chapter 1 Role of Financial Markets and Institutions 1. Financial market participants who provide funds are called A) deficit units. B) surplus units. C) primary units. D) secondary units. 2. The main provider(s) of funds to the U.S. Treasury is (are) A) households and businesses. B) foreign financial institutions
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lack of job opening in our society. Even those who are fresh graduates in college are hard to get job‚ mostly those graduated in college are jobless and they are vacant only in their house. This is the reason why Philippines tackles unemployment rate in economic crisis. Once‚ there are job openings that need many options and requirements‚ so other people are not qualified of it and they may experience hard getting a job. Also‚ because of unemployment crisis here in Philippines‚ mostly Filipino
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Effect of osmosis rate on different surface areas‚ depending on different types of water solution An investigation showing the effect of surface area on osmosis rate‚ including some different types of water concentration. Osmosis is a type of passive (not requiring energy) transport of water molecules across partially permeable membrane‚ from an area of high water concentration into area of low water concentration. But how does surface area affect rate of osmosis? Surface area plays important
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Free exchange Savers’ lament The complex effects of low interest rates on consumption and investment Dec 1st 2012 | from The Economist print edition WHEN interest rates hit double digits in the late 1970s‚ house-builders sent planks of wood to the Federal Reserve in protest. With rates stuck near zero‚ the protests now come from the opposite direction. The retired complain of a “war on savings”. The Fed cut rates to current levels at the end of 2008 and has promised to keep them there until
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statement concerning risk premium? A. The greater the volatility of returns‚ the greater the risk premium. B. The lower the volatility of returns‚ the greater the risk premium. C. The lower the average rate of return‚ the greater the risk premium. D. The risk premium is not correlated to the average rate of return. 5. You bought 100 shares of stock at $20 each. At the end of the year‚ you received a total of $400 in dividends‚ and your stock was worth $2‚500 total. What was your total return
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