Course Code 522 Name of Student ZAFFAR ABBAS Roll No AH505861 Semester spring 2012 Topic Assigned: Discuss the current rate of inflation in Pakistan and its impact upon business sector. Topic: Discuss the current rate of inflation in Pakistan and its impact upon business sector INFLATION ` Inflation means a rise in prices of goods and services in an economy over a period of time. Inflation is caused by some
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Chemistry Coursework Rates of Reaction Investigation Introduction In this investigation I am going to be investigating the reaction between marble chips and hydrochloric acid‚ and to see what differences in the rate of this reaction arise when different concentrations of acid are used. Below is the word equation for this reaction: Calcium Carbonate + Hydrochloric Acid = Calcium Chloride + Carbon Dioxide + Water Below is the fully balanced chemical equation for this reaction. CaCo3
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well as the H2O2 solution Dependent Variable: Rate of reaction (cm3/second) The gas syringe (± 0.5) is used to measure the amount of oxygen produced from the catalase reaction. A rubber stopper is used to ensure that there is a closed system and no O2 escapes Controlled Variables: Substrate ( H2O2 ) Concentration and Quantity The same pipette will be used to measure
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married is declining at an unprecedented rate. In 1970‚ there were approximately 76.5 marriages for every 1000 unmarried women under the age of 15. By the year 2000‚ the marriage rate dramatically decreased to only 44.5‚ and 8 years later‚ the marriage rate hit an all- time low at 34.8 marriages for every 1000 unmarried women. (Lee). The future of marriage looks to either become completely obsolete‚ or of utmost meaning‚ due to the decline of the marriage rate over the course of the last 30 years‚ due
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a mass flow rate of 20‚000 kg/h. It is to be cooled by water from a nearby river by circulating the water through the tubes within the condenser. To prevent thermal pollution‚ the river water is not allowed to experience a temperature rise above 10°C. If the steam is to leave the condenser as saturated liquid at 20 kPa‚ determine the mass flow rate of the cooling water required. Question 5: (20 points) Steam at 5 MPa and 600°C enters a two-stage 5MPa adiabatic turbine at a rate of 20 kg/s.
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Brooke Strowd AP Biology Ms. Butler 28 January 2013 I. Title: Effect of a Catalyst on Reaction Rate II. Introduction: The basis of the experiment is the enzyme; an enzyme is a biological molecule that acts as a highly selective catalyst. By combining with a substrate‚ an enzyme is able to create a new product that helps the body function. (Ex. Lactose/Lactase) A substrate is a molecule an enzyme acts upon‚ the two combine at an area called an active site. This active site allows induced fit
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results Surface area to volume ratio Time taken for HCL acid to diffuse (seconds) 14 38 9 90 7.3 139 6.5 178 6 185 3. Do your results support your hypothesis‚ use date from your table and graph to support your answer‚ you should also identify any anomalous results. My hypothesis was ‘as the surface-area-to-volume ratio decreases the diffusion rate increases’ my results support my hypothesis‚ because in my table of results when the surface area to volume ratio is at 14 the diffusion time is
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different amount of sucrose concentrations. The higher molarity concentrations increased the movement of water to balance out the inside of the tube and the beaker. The greater amount of concentration gradient‚ in each tube‚ increased the rate of osmosis. This rate of osmosis is due to the net movement of water from an area of low concentration to an area of high concentration. Because the tubes had different concentrations‚ certain tubes gained more mass than others. Solution A had 0.6 molarity
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divorce law have generally made it easier and cheaper to end marriages‚ but this is not necessarily the cause of the rising divorce rate. Legal changes reflect other changes in society‚ especially changes in attitudes. In particular‚ sociologists argue that social expectations about marriage have changed. Functionalist sociologists even argue that high divorce rates are evidence that marriage is increasing)‚ valued and that people are demanding higher standards from their partners. Couples are no
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What is the rule of 72? Well… here’s the equation: Years to double = 72 / Interest rate DO NOT reread this equation. The rule of 72 is a hard rule to explain. I will do my best to try to explain it. The answer to ‘rule of 72’ gives us a number of years. This number of years tells us how long it takes to double our money. Let’s say you have 100 dollar. The ‘rule of 72’ helps us figure out how long it will take to have 200 dollars. Scenario 1: You have invested your 100 dollars in a 3%
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