1) Calculate the value of the gas law constant R when pressure is in atm‚ volume in Liter and temperature in Kelvin. Given R = 8.314 Jmol‐1K‐1‚ 1 atm = 1 .01325x105 Nm‐2‚ 1m3 = 1000 L J R = 8.314 mol x K = R = 8.314 2 m x mol x K R = 0.082 atm x L mol x K 1.01325 x 10 2 m x mol x K 1 x Nxm = mol x K 3 Nxm 3 Nxm 5 atm Nm-2 x 1000 L 3 m Reporting computed data • Multiplication and Division 5.02 x 89.665 x 0.10 = 45
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Lab Manual Anatomy and Physiology LabPaq: AP-1 14 Small-Scale Experiments for Independent Study Published by Hands-On Labs‚ Inc. Anatomy and Physiology: Independent Laboratory Exercises for the First Semester Designed to accompany Anatomy & Physiology LabPaq AP-1 062211 LabPaq® is a registered trademark of Hands-On Labs‚ Inc. (HOL). The LabPaq referenced in this manual is produced by Hands-On Labs‚ Inc. which holds and reserves all copyrights on the intellectual properties associated
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Title: Mitosis and Meiosis Abstract: There are two types of nuclear division‚ mitosis and meiosis. Mitosis is usually used for the growth and replacement of somotaic cells‚ while meiosis produces the gametes or spores used in an organism’s reproduction. Hypothesis: Mitosis occurs in whitefish blastula and onion root tip‚ and it is easily observable. Meiosis and crossing over occurs in the production of gametes and spores. Materials: This lab required prepared slides of whitefish blastula
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Lab RepoRt assistant This document is not meant to be a substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions‚ diagrams if needed‚ and data tables that should be addressed in a formal lab report. The intent is to facilitate student’s writing of lab reports by providing this information in an editable file which can be sent to an instructor. Exercise
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Chemistry Book Notes: Chapter 21: Buffers and the Titration of Acids and Bases 21-1 Henderson-Hasselbalch Equation THE HH EQUATION OFTEN CAN BE USED TO CALCULATE THE pH OF A BUFFER SOLUTION -buffer >a solution containing both a weak acid and its conjugate base can resist a change in pH by neutralizing either an added acid or an added base. Ex. acetic acid-acetate soln (acid with conj. Base) > Kc for a buffer reaction can = 1/Ka or 1/Kb if you add an acid or base because
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Test 2 Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Find the combination that will give a gas as a product A. AgNO3(aq) + NaI(aq) B. HCl(aq) + Na2CO3 (aq) C. MgCl2(aq) + K2CO 3 (aq) D. CaSO4 (aq) + (NH4)3 PO4(aq) 1) A) A B) C C) B D) D 2) 2) The balanced molecular equation for complete neutralization of H2 SO4 by KOH in aqueous solution is __________. A) 2H+ (aq) + 2OH- (aq)
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General Chemistry 1 Lab 4 Properties of Gases LabPaq - Properties of gases General Chemistry Introduction Background This report covers Properties of Gases and will allow me the opportunity to explore chemical and physical properties of gases. Collection and use of these gases will also be conducted in this lab. Statement of Problem Collecting gases is a difficult process. Singling out a gas and obtaining only that gas is the challenge we face in this experiment. Purpose
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General Chemistry 2 Study Guide* Exam 3‚ Spring 2014 Chapter 16 (Acid-Base Equilibria) Know the definitions of Arrhenius‚ Bronsted-Lowry and Lewis acids and bases. - Arrhenius: Acid dissolved in water increases conc. Of H+ ions. Base dissolved in water increases conc. Of OH- ions - Bronsted-Lowry: Acid: substance that donates a proton to another substance Base: substance that accepts a proton from another substance -Lewis: Acid: electron pair acceptor
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Ionic Reactions Introduction: Today we are going to observe the chemical changes when mixing two solutions. Some will change colors‚ produce gases proving if the solutions are soluble or insoluble. Materials and Methods: I first pulled out the small wells and place two drops of the Cobalt (II) Nitrate in seven of the wells. I then moved to the next row and placed two drops of Copper (II) Nitrate in the next row‚ into seven of the wells‚ and so on with the other three Nitrates. I then cut off
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Chemistry Final Study Guide Matter as anything that has mass and takes up space. Significant figures refers to digits that were measured. When rounding calculated numbers‚ we pay attention to significant figures so we do not overstate the accuracy of our answers. Rules: -All nonzero digits are significant. -Zeroes between two significant figures are themselves significant. -Zeroes at the beginning of a number are never significant. -Zeroes at the end of a number are significant if a decimal
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