Introduction The objective of this experiment is to combine Magnesium (Mg) with hydrochloric acid (HCl) to determine the molar volume of hydrogen gas (H2) (converted to the molar volume at STP) and then‚ to compare obtained results with the molar volume of an ideal gas. To determine the measured molar volume of hydrogen gas‚ we are going to use this equation: The molar volume of the ideal gas will be determined by the equation ‚ where T = 237 K‚ P = 101.3 kPa. The hydrogen gas will be collected
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LAB REPORT 4 Isolation of genomic DNA from animal tissues Introduction A rapid expansion of DNA analysis in medical‚ biotechnological and basic research has created the need for simple and efficient commercial methods for isolating genomic DNA. Many different methods and technologies are available for the isolation of genomic DNA. In general‚ all methods involve disruption and lysis of the starting material followed by the removal of proteins and other contaminants and finally recovery
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Haileab Ghebrekiden‚ Lucille Emeruem‚ Shakira Thomas‚ Chris Thomas and Brad Steward 9/18/2014 Physics I Lab Dr. Abdalla Measurement of Length‚ Mass Volume and Density Introduction: All science is concerned with measurement. "MEASUREMENT" is the determination of the size or magnitude of something "Or" The comparison of unknown quantity with some standard quantity of the same rates is known as measurement. Due to this fact we have standards of measurement. Since the precision of all measuring
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Data- A. Exploring Pressure-Volume Relationships Pressure (torr) | Volume (mL) | 1384.2 | 5 | 1198.1 | 6 | 1038.1 | 7 | 921.3 | 8 | 826.2 | 9 | 752.6 | 10 | 688.5 | 11 | 638.5 | 12 | 593.8 | 13 | 557.0 | 14 | 519.9 | 15 | 492.0 | 16 | B. Determining the Ideal Gas Constant Molar calculations: Mgs+2HClaq→MgCl2aq+H2(g) 5mL of 3M HCl nHCl=0.005L×0.3M1L=0.015mol nHCl 5×excess=0.0155=0.003mol nMg=0.0032=0.0015mol mMg=0.0015×24.31=0.0365g Volumes: * Tubing: Inner diameter=
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Practical 16: estimating Population Size Using Mark and Recapture Method Raw and Processed Data Table 1: Uncertainties of apparatus used in the experiment. Apparatus | Uncertainties | Stopwatch | ±0.01s | Table 2: Formulae and sample calculations involved in processing data in the experiment. Calculations | Formula | Sample Calculation | Mean ( x ) | x = 1n i=1naiWhere‚ 1. n refers to the total number of values. 2. ∑ refers to the addition of all values starting with the first value
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Pain is a subjective experience and unpleasant sensation that associated with tissue impairment (Ogino et al.‚ 2007). Post-operative pain is a commonly actual post-operative complication of most general surgeries (Abdalrahim et al.‚ 2011). Therefore‚ Evelyn is likely to have pain due to the surgical tissue trauma and the replacement of the knee joint. Post-operative pain is a major concern during the recovery of patients because pain is a distressing symptom‚ poorly controlled pain may contribute
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For the 30%‚ the change in temperature was very quick but plateaued at 25 degrees just as quick. For the 20%‚ the change in temperature was completed by around the 3rd-minute mark‚ so relatively fast before plateauing at 25 degrees. But the 3% took almost the whole 7 minutes to finish rising in temperature. So essentially‚ the higher the concentration of hydrogen peroxide‚ the faster the reaction will take place. Furthermore‚ the foam (water and oxygen produced by the potatoes catalase reacting
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In Echolocation: Volume Control by Amanda Tromans‚ she explains how some animals and machines use sound to locate things instead of using vision like others. For example‚ bats‚ dolphins‚ and submarines all do this but with a few differences. This paper is more like a review so it does not show specific steps. She explains in the beginning why those exactly use echolocation; this is basically the use of echoes and soundwaves. Those echoes and soundwaves are bounced off many objects so they can get
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Chapter-1: ABOUTCOMPANY 1.1 company background 1.2 management 1.3 promter&cmd 1.4 mission 1.5 vision 1.6 development 1.7 to Organisoon 1.8 to Myself 1.1 Company Background : R K Global was incorporated in year 1995 at New Delhi under the dynamic leadership of Shri Ramesh Kumar Bhagchandka‚ son of late Shri Lakhi Prasad Bhagchandka‚ a Bhagchandka group initiative. In 2007‚ R K Global shifted its registered office to Mumbai in Maharashtra. R K Global in the initial years
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Volume Licensing brief Downgrade rights for Microsoft Volume Licensing‚ OEM‚ and full-package product licenses This brief applies to all Microsoft Volume Licensing programs. Table of Contents Summary .................................................................................................................................................................................................. 1 What’s New in this Brief ......................................................................
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