debris‚ oil‚ sewage‚ eroded soil‚ and heavy metals. In the past‚ dumping small amounts of pollutants into the oceans‚ known as dilution‚ was not thought of to be a threat to the environment because all of the oceans combined cover 75% of the earths surface. There used to be a saying which was common‚ “The solution to pollution is dilution.” Eventually it was found that dilution was really not the solution. Not only does bioaccumulation affect marine life‚ it also has a huge
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Mining Assignment #4 By Siyuan Wei‚ Yifei Pei‚ Amrita Sur and Clinton Huynh Mineral: Copper Dip: 60 Depth: 650m Location/Terrain: Under River Chosen Mining Method: Sublevel Stoping - Sublevel Stoping is designed for mineral deposits which consists of fairly stable rocks and have a steep dip. - This method is quite commonly used to mine copper at varies sites around Australia. For example‚ Mount Isa‚ Olympic Dam etc… Mining Process - Sublevels are created within the solid
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use test tube for the water sample and we use dropper pipet to put the water to exactly 100ml. We‚ later on‚ use another dropper pipet to add NaCl to the distilled water while still maintaining 100ml as our total volume for dilution. We use the conductivity meter after the dilution; we put the meter inside the tube and check the level on the
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Fluorescent Intensity against Concentration of Quinine Hydrochloride in ppm‚ after Fluorescence Intensity of a series of Standard Solution prepared and the Sample solution by Fluorescence Spectrometer. Data: Brand name of tonic water sample: Schweppes Dilution factor = 1000 Concentration of quinine standard (ppm) Fluorescence intensity (mean) Blank 2.945 0.02 78.40 0.04 187.8 0.06 223.4 0.08 295.7 0.10 373.6 Original tonic water sample 2635 Diluted tonic water sample 273.3
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data to look at how population growth and fertility affect economic growth. This paper discusses how population growth has varied throughout history. Finding that high birthrates reduce economic growth by “investment effects” and through “capital dilution”. Also when birth rates were lowered that income per capita increased. Brander and Dowrick (1993) start by giving statistics on how the population has grown over a few periods of time and highlighte that the population has recently been increasing
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reaching its goal of becoming the premier marketer of instant adhesives for industrial use by 1985. Instead‚ Loctite’s focus should remain on instant adhesives and changes should be made to the existing distribution system to obtain this goal. Brand Dilution The Bond-A-Matic launch threatens the high quality image of the Loctite brand name. Loctite intends to sell the Bond-A-Matic dispenser at $175 – a price that several executives argue will negatively impact the reputation of Loctite. Thanks to
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EXPERIMENT 2 : UV-VISIBLE DETERMINATION OF AN UNKNOWN CONCENTRATION OF KMnO4 OBJECTIVE 1. To determine the maximum wavelength of potassium permanganate. 2. To plot the calibration curve of potassium permanganate. 3. To determine the concentration of an unknown solution of potassium permanganate. APPARATUS Beaker‚ burette‚ glass rod ‚volumetric flask 100ml ‚dropper CHEMICALS Potassium permanganate (KMnO4)‚ distilled water PROCEDURE A. Preparation of the KMnO4 standard solution
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ares Bonus Shares Bonus Share When the additional shares are allotted to the existing shareholders without receiving any additional payment from them‚ it is known as issue of bonus shares. Bonus shares are allotted by capitalizing the reserves and surplus. Issue of bonus shares results in the conversion of the company ’s profits into share capital. Therefore it is termed as capitalization of company ’s profits. Since such shares are issued to the equity shareholders in proportion to their holdings
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0 | 13.0 | 8 | S4 | 10 | 4.0 | 11.0 | 16 | Table 1.0 Showing the percentage ethanol in the standard solutions We would then make up solutions for our three samples. Predicting the possible percentage concentrations of ethanol we will make dilutions as necessary to fit within our region of confidence produced to our standards. Table 1.1 shows the solutions that were made up for the samples of spirit‚ wine and beer. It also shows the range of percentage values of ethanol we would expect in these
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Equilibrium In your text (Chang‚ 6th Ed) : Ch. 15 Chemical Equilibrium‚ esp. Section 15.3 Purpose: The Law of Mass Action will be examined via a series of samples using the same reaction‚ but different stating concentrations. The equilibrium constant‚ K‚ for each reaction will be calculated‚ demonstrating that K for a given reaction at a fixed temperature is a constant‚ independent of starting concentrations. Background: For a general reaction aA + bB ↔ cC + dD‚ the Law of Mass Action
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