Exercise 5: Cardiovascular Dynamics: Activity 1: Studying the Effect of Blood Vessel Radius on Blood Flow Rate Lab Report Pre-lab Quiz Results You scored 100% by answering 5 out of 5 questions correctly. 1. Blood flow is measured in You correctly answered: b. ml/min. 2. Which of the following has the greatest effect on blood flow? You correctly answered: a. blood vessel radius 3. Which of the following would not result in a decrease in the blood vessel radius? You correctly answered: c. vasodilation
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NO | ANSWER | MARK | 1 :( i )( ii ) ( iii ) ( iv )2 :( i )( ii )( iii )3 )4 )5 ) ( i )( ii )( iii )( iv )6 )7 ) i )ii ) iii )8 )9 )10 )i ) ii )iii)11 ) | A reagent is highly serves as a reference material in all volumetric & mass titrimetric method.A reagent solution of accurately known concentration. * End point-point at which the reaction is observed to be complete and there is permenant colour change at the end of titration. * Equivalent point-point at which an equivalent amount of
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9 Experiment A Volumetric Analysis A titrimetric analysis requires the careful addition of titrant. • To prepare and standardize a sodium hydroxide solution • To determine the molar concentration of a strong acid Objectives The following techniques are used in the Experimental Procedure Techniques 2 4 16b 16a 90 80 5 16c 6 13c 15a 15b ! A chemical analysis that is performed primarily with the aid of volumetric glassware (e.g.‚ pipets‚
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Flywheels Laboratory Experiment 4 Aziz Darwish H00124728 14th November‚ 2012 Mechanical Engineering B51PX Praxis Mounif Abdallah Contents Page number Abstract/Introduction 1 Aim/Objective 1 Theory 1-2 Apparatus (Equipment) 3 Procedure 3 Calculations 3-4 Results
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Calibration of Volumetric Glassware This set of laboratory experiments is designed to introduce you to some of the apparatus and operations you will be using during the remainder of this course‚ including the treatment of data using spreadsheets. While some of the procedures may seem trivial and the results obvious‚ this is a chance for you to develop good laboratory technique. Required Reading D.C. Harris‚ Quantitative Chemical Analysis (8th ed.‚ W. H. Freeman‚ NY‚ 2010) chapter 2 (Tools
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VOLUMETRIC ANALYSIS 1. In volumetric analysis‚ the volume of a reagent needed to react with analyte is measured. 2. In a titration‚ increments of the reagent solution -the titrant-are added to the analyte until their reaction is complete. 3. The most common titrations are based on: - acid-base - oxidation-reduction - complex formation and - precipitation reactions 1. Methods of determining when the analyte has been consumed include: - detecting a sudden change in
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Objective: Find the percentage of iron in a given sample through titration. EDTA CONCENTRATION 0.02060 M Mass of Ferric Salt 1.8193 g Burette Readings ( in mL) Trial 1 Trial 2 Trial 3 Final 42.19 21.29 39.69 Initial 23.35 2.61 21.21 Endpoint Volume 18.85 18.6 18.47 Average of the endpoint volumes V= 18.64 mL % Fe ± Sv 11.78% ± 0.19313 Calculations: sV= {[(v1 – V)^2 + (v2 – V)^2 + (v3 – V)^2]/2}^(1/2) {[(18.85 – 18.64)^2 + (18.6 – 18.64)^2 + (18.47
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EXPERIMENT 1 CALIBRATION OF VOLUMETRIC GLASSWARE OBJECTIVES 1. To calibrate a 10 mL volumetric pipette 2. To calibrate a 25mL volumetric pipette 3. To calibrate a 100mL volumetric pipette 4. To calibrate a 50mL measuring cylinder EXPERIMENTAL PROCEDURE 1) Calibration of a volumetric pipette (10mL and 25mL) (a) Pipette is used to transfer the water. If the distilled water does not drain uniformly will leaves droplets of water in the inner
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underlying science of the experiment when you come to lab. TABLE OF CONTENTS Page TITLE PAGE INTRODUCTION LABORATORY SAFETY GUIDELINES SAFETY DECLARATION FORM CHEMISTRY LABORATORY REPORT QUIDELINES EXPERIMENT 3 1 Calibration of Volumetric Glassware 3 2 Empirical Formulas 3 3 Standardization of Sodium Hydroxide Solutions 10 4 Acids‚ Bases‚ Buffers and The Determination of pH 24 5 Redox Reactions 29 6 Qualitative Analysis of Common Ions
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instrument. • Determining the accuracy of the actual volume of a volumetric pipette‚ volumetric flask & measuring cylinder. INTRODUCTION The purpose of this experiment is to investigate the measurement of the actual volume contents of volumetric glassware. If there is a slight variation in this instrument‚ it would cause systematic error and thus‚ the accuracy of results of an experiment or investigation would be affected. All volumetric glassware has marking on it. It is either being marked with
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