was a comparison between accuracy and precision of densities measured by volume. Mass measurements are often used units in the metric system. Volume can be examined a borrowed unit. The volume measurements were made in mL. Every measurement had a level of hesitancy affiliated with it. The experiment could feel uncertain from the object used for measurement and from the accuracy of the person doing the measuring of the volume. Because of this uncertainty‚ the experiment must be repeated for better
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Recently‚ I became ill with an upper-respiratory infection. The first few days‚ it just felt like a simple cold‚ so I thought it would be okay to go over to my boyfriend’s house for dinner. He cooked us a meal‚ then poured two glasses of wine. Even though I was a little under the weather‚ I drank the glass. Previous to this‚ he and I had discussed that I would be spending the night there because we had not seen each other for awhile. I looked forward to this because I was sick‚ and wanted the comfort
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ERYTHROCYTE SEDIMENTATION RATE | -AND ITS VARIATION | | ABSTRACT: The Erythrocyte Sedimentation Rate (ESR)‚ also branded as sedimentation rate or Biernacki Reaction‚ is the rate at which red blood cells sediment in a time of 1 hour. To execute the test‚ anti-coagulated blood is positioned in an erect tube‚ known as a Westergren tube‚ and the rate at which the red blood cells fall is calculated and accounted in millimeters per hour (mm/h)
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between exchange rates‚ interest rates • In this lecture we will learn how exchange rates accommodate equilibrium in financial markets. For this purpose we examine the relationship between interest rates and exchange rates. Interest rates are the return to holding interest-bearing financial assets. In the previous lecture we have pointed out that as being a financial asset exchange rates tend to adjust more quickly to new information that goods prices. Like exchange rates‚ interest rates are also the prices
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Applications of Differentiation 1. If a line y = x + 1 is a tangent to the curve y2= 4x ‚find the point the of contact ? 2. Find the point on the curve y = 2x2– 6x – 4 at which the tangent is parallel to the x – axis 3. Find the slope of tangent for y = tan x + sec x at x = π/4 4. Show that the function f(x) == x3– 6x2 +12x -99 is increasing for all x. 5. Find a‚ for which f(x) = a(x+sinx)+a is increasing 6. Find the intervals in which the function f ( x ) = x3 - 6x2 + 9x + 15 is
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Wuthering heights summary Volume 1 chapter 1 : • It is the year 1801. While staying in Yorkshire‚ Mr Lockwood pays his landlord Heathcliff ‚ a somewhat unwelcome visit in order to introduce himself. • We are introduced to Lockwood‚ Heathcliff ‚ heathcliff’s servant Joseph and a female servant. • The property Wuthering Heights is described. Volume 1 Chapter 2: • Lockwood repeats his visit to the Heights and meets Hareton and Cathy Heathcliff. • Lockwood mistakes a heap of dead rabbits for
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1. Introduction: This investigation will show the effect of temperature on the rate of reaction. The Berocca tablet was reacted with hot water (47oC) and then with cold water (20oC). In the hypothesis‚ it was predicted that the temperature will be inverse proportional to the time Berocca tablet reacts with water to produce 50ml of carbon dioxide gas. Through the result table‚ we can see that the hypothesis is supported and it was correct. In the conclusion‚ it was shown that the temperature has the
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Introduction The purpose of this experiment was to determine the rate law graphically from the rate of disappearance and the x y values also the specific rate constant (k). Activation energy was also determined‚ and the effect of catalyst was evaluated in the reaction between peroxodisulphate ion S2O82-‚ and iodide ion‚ I-. S2O82-(aq) + 3 I-(aq) --> 2 SO42-(aq) + I3(aq) The general expression for the rate law‚ given this overall reaction‚ is: rate of disappearance of S2O82- = k[S2O82-]m[I-]n Chemical
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* Milk Kidney – Nephron Glomurelar filtration- Refer to book Order of rxn-it refers to the way in w/c the conc of a drug or reactant influences the rate of chemical rxn 1st order reaction -causes constant percentage of the drug to be lost per unit time -An elimination rate constant can be describe -Ke( elimination rate constant) the unit is t ½ -One the log plot‚ the slope is equal to- ke/2.303 -The factor 2.303 converts from natural log to base 10 log units -Half-life-is the
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Diffusion is a way nonvascular plants can get water. It is the movement of molecules from an area of higher concentration to an area of lower concentration until they are equal. An example of diffusion is red food coloring. When you put food coloring in a glass of water the color will spread through the water until all of it is a red tint. This shows the molecules of the food coloring equally distributed in the area of the water. Osmosis is a special type of diffusion where only the water molecules
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