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Search results “Kinetics determining rate order for a reaction”

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Views: 256741 Professor Dave Explains

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This general chemistry study guide video lecture tutorial provides an overview of chemical kinetics. It contains plenty of examples, practice problems, and conceptual questions to help you to master the course. This video is especially helpful to those taking AP chemistry in high school or general chemistry in college. Here is a list of topics: 1. How to calculate the rate of the reaction using the change in concentration and time 2. Determining the order of a reactant and the overall order of the reaction using the method of initial rates. 3. How to determine the rate equation or rate law expression 4. Calculating the rate constant K and the units of K 5. Understanding the difference between the first order, second order, and zero order reaction. 6. Equations and formulas for zero order, first, and second order reactions 7. Half Life Formula, Initial Concentration of A and Rate constant K 8. Factors affecting reaction rate – concentration, temperature, and catalyst 9. Relationship between the rate of the reaction and the concentration 10. Rate constant K, temperature, catalyst, activation energy and potential energy diagrams 11. Forward activation energy vs reverse activation energy 12. Arrhenius Equation 13. Half Life Problems and Half Life Method 14. Collision frequency, steric factor, and frequency factor 15. Reaction Mechanism – Slow Step – Rate Determining Step 16. How To Find the Intermediate and Catalyst in a Reaction Mechanism

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How the order of a chemical reaction is determined. Also, a few examples on determining the order of a reaction with one reactant decomposing into products.
Views: 309768 Ben's Chem Videos

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Here I look at 3 fairly tricky examples of how the order of the reaction for each of the reactants is determined, allowing the rate equation to be constructed. In an accompanying video "Kinetics 1" I show an example of how to rearrange the rate equation to determine the rate constant (k).
Views: 2319 FranklyChemistry

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This chemistry video tutorial provides a basic introduction into reaction mechanisms within a chemical kinetics setting. It explains how to write the rate law expression for a reaction mechanism. A reaction mechanism consist of a series of elementary steps or elementary reactions whose rate law can be written from its molecularity - that is from the coefficients of the balanced reaction. The rate of a reaction mechanism is completely dependent on the slow step or the rate-determining step. This video explains how to substitute an intermediate when writing rate law expressions. It contains plenty of examples and practice problems. New Chemistry Video Playlist: https://www.youtube.com/watch?v=bka20Q9TN6M&t=25s&list=PL0o_zxa4K1BWziAvOKdqsMFSB_MyyLAqS&index=1 Access to Premium Videos: https://www.patreon.com/MathScienceTutor Facebook: https://www.facebook.com/MathScienceTutoring/

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Views: 589888 Brightstorm

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More free chemistry help videos: http://www.chemistnate.com How to find the reaction order if you're given a table of kinetic data. Trick: Create two new columns, ln[A] (1st order) and 1/[A] (2nd order), then calculate first differences. Whichever set of first differences is approximately constant .... that corresponds to the order of your reaction.
Views: 162907 chemistNATE

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You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as \$0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content. Have you ever been to a Demolition Derby? Then you have an idea of how molecular collisions happen. In this episode, Hank talks about collisions between molecules and atoms, activation energy, writing rate laws, equilibrium expressions, reactions mechanics, and rate-determining steps. And funnel cakes are AWESOME! ***** AND NOW, A SUBBABLE MESSAGE! ***** "Jane McLauchlan, thank you for decreasing worldsuck. I love you!" - Charlotte Thornton -- Table of Contents Collisions Between Molecules and Atoms 0:00 Activation Energy 1:32 Writing Rate Laws 3:28 Rate Laws and Equilibrium Expressions 5:30 Reaction Mechanisms 8:06 Rate-Determining Steps 7:04 -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support CrashCourse on Subbable: http://subbable.com/crashcourse
Views: 605348 CrashCourse

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Edited by Dan Rosenthal. Everything else by me.
Views: 102178 GenChem Concepts

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How to determine the rate law for a mechanism with a fast initial step. Remember, the overall rate law must be determined by experiment. Therefore, the rate law must contain no reaction intermediates.
Views: 148984 Ben's Chem Videos

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Here I look at 3 examples of how the rate equation can be obtained from experimental runs. The order of the reaction for each of the reactants is determined, allowing the rate equation to be constructed. In the third example I rearrange the rate equation to make the rate constant (k) the subject of the equation. I then work out its value and units. In the next video "Kinetics 2" I look at 3 further examples, which are a little more difficult.
Views: 2082 FranklyChemistry

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Visit http://ilectureonline.com for more math and science lectures! In this video I will determine the rate law and the rate constant, k.
Views: 48045 Michel van Biezen

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This video goes through the A2 topic of Kinetics. It deals with orders right through to the calculations involved.
Views: 122007 Eliot Rintoul

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Worked out complex example using the method of initial rates to determine the experimental rate law Table of Contents: 00:00 - An Initial Rate problem 00:20 - The Problem 00:41 - The Generic Rate Law 02:13 - The Method of Initial Rates 02:50 - Explore the Data for Unique Changes 06:45 - Finding order with respect to H2SeO3 07:54 - Finding order with respect to H+ 08:52 - Finding order with respect to I- 09:35 - Obtaining the Rate Constant
Views: 6873 Eric Zuckerman

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Rate Law is a mathematical expression that relates the concentration of reactants to the rate of a chemical reaction. In this video we will learn the difference between zero, first and second order reaction. Thanks for watching. Please 'like' and 'subscribe' Learn more science at www.thescienceclassroom.org
Views: 69439 The Science Classroom

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The rate law for 6I- + BrO3- + 6H+ --- 3H2O + Br- + 3I2 is determined using a clock reaction where the I2 reacts with thiosulfate until the thiosulfate runs out. Starch indicator is used to produce a blue color indicating that the iodine has reacted with all of the thiosulfate. The rate law is determined by mixing 10 mL of distilled water, 10 mL of 0.040 M KBrO3, 10 mL of 0.10 M HCl, 10 mL of 0.010 M KI and 10 mL of 0.0010 M Na2S2O3. In experiments 2-4, the amount of KI, KBrO3 and HCl are doubled and the distilled water is not added. This causes each to double in concentration for that experiment while all other concentrations remain constant. Finally the experiment is run with the same amounts as experiment #1, but at two different temperatures. This is used to measure the rate constants at these two temperatures in order to determine the activation energy for the reaction.
Views: 14589 Scott Milam

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How to determine order of a reaction Initial rate method problem A sample problem has been solved with the method and appropriate explanation For more information on rates of reaction and problems visit http://www.vinstan.com/sch4u/rates http://www.vinstan.com
Views: 33333 Vinstan

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This UTA Chem experiment determines the rate law for a chemical reaction between brilliant blue dye and bleach.
Views: 6095 UTAchemistry

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We begin by discussing factors that affect the reate of a reaction. We then discuss specifically the role that concentration of reactants has upon rate. We learn how to write a rate law by using experimental data. This includes finding the order of the reaction in terms of each reactant, then writing the overall rate law.
Views: 31141 dchummer

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036 - The Rate Law Paul Andersen explains how the rate law can be used to determined the speed of a reaction over time. Zeroth-order, first-order and second-order reactions are described as well as the overall rate law of a reaction. The rate of a reaction can be determined experimentally. Do you speak another language? Help me translate my videos: http://www.bozemanscience.com/translations/ Music Attribution Title: String Theory Artist: Herman Jolly http://sunsetvalley.bandcamp.com/track/string-theory All of the images are licensed under creative commons and public domain licensing: "File:Ammonia-3D-vdW.png." Wikipedia, the Free Encyclopedia. Accessed October 19, 2013. http://en.wikipedia.org/wiki/File:Ammonia-3D-vdW.png. File:Crystal Violet in Aqueous Solution.jpg, n.d. http://en.wikipedia.org/wiki/File:Crystal_Violet_in_aqueous_solution.jpg. "File:Nitric-oxide-3D-vdW.png." Wikipedia, the Free Encyclopedia. Accessed October 19, 2013. http://en.wikipedia.org/wiki/File:Nitric-oxide-3D-vdW.png. "File:Nitrogen Dioxide at Different Temperatures.jpg." Wikipedia, the Free Encyclopedia. Accessed October 19, 2013. http://en.wikipedia.org/wiki/File:Nitrogen_dioxide_at_different_temperatures.jpg. "File:Nitrogen-dioxide-3D-vdW.png." Wikipedia, the Free Encyclopedia. Accessed October 19, 2013. http://en.wikipedia.org/wiki/File:Nitrogen-dioxide-3D-vdW.png. "File:Oxygen Molecule.png." Wikipedia, the Free Encyclopedia. Accessed October 19, 2013. http://en.wikipedia.org/wiki/File:Oxygen_molecule.png. File:Spektrofotometri.jpg, n.d. http://en.wikipedia.org/wiki/File:Spektrofotometri.jpg. Izmaelt. Slovenčina: Príprava Oxidu Dusičitého z Medi a Kyseliny Dusičnej. Fotené Na Slovenskej Technickej Univerzite., October 27, 2010. Own work. http://commons.wikimedia.org/wiki/File:Nitrogen_dioxide.jpg.
Views: 249982 Bozeman Science

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This chemistry video tutorial explains how to determine the units of the rate constant K for a first order reaction, second order reaction, and a zero order reaction. It provides a formula and a simple process to calculate it. This video is part of the chemical kinetics series. It contains plenty of examples for you to learn the concept. New Chemistry Video Playlist: https://www.youtube.com/watch?v=bka20Q9TN6M&t=25s&list=PL0o_zxa4K1BWziAvOKdqsMFSB_MyyLAqS&index=1 Access to Premium Videos: https://www.patreon.com/MathScienceTutor Facebook: https://www.facebook.com/MathScienceTutoring/

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This chemistry video tutorial discusses five factors affecting the rate of a reaction. This includes the nature of the reactants, concentration, surface area, temperature, and the use of a catalyst. This tutorial is part of the chemical kinetics series. New Chemistry Video Playlist: https://www.youtube.com/watch?v=bka20Q9TN6M&t=25s&list=PL0o_zxa4K1BWziAvOKdqsMFSB_MyyLAqS&index=1 Access to Premium Videos: https://www.patreon.com/MathScienceTutor Facebook: https://www.facebook.com/MathScienceTutoring/

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this Video explains about the rate law in chemical kinetics and rate constant in hindi.
Views: 7309 Chemistry Untold

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This video is about Chemical Kinetics and explains in details the Reaction Rate Laws. Students studying Chemistry at different levels could highly benefit from this video. This video is the fourth of a complete series that explains different topics on chemical kinetics that include: 1- Chemical Kinetics: Reaction Rates & Rate Law. https://www.youtube.com/watch?v=r6Pdjc_xVvM 2- Chemical Kinetics: Determining the Form of the Rate Law. https://www.youtube.com/watch?v=bHX80yjsHus 3- Chemical Kinetics: Integrated Rate Law. https://www.youtube.com/watch?v=orV6LI3EEhg 4- Chemical Kinetics: Pseudo Rate Law. https://www.youtube.com/watch?v=2VLA3xoPSAI 5- Chemical Kinetics: Reaction Mechanism. https://www.youtube.com/watch?v=emEWPOamI7g 6- Chemical Kinetics: A Model for Chemical Kinetics & Catalysis. https://www.youtube.com/watch?v=952gAYVygZs
Views: 10670 Ali Hayek

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Sample concentration vs. time data is analyzed to determine the reaction order, rate law and rate constant.
Views: 27015 Eric Zuckerman

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037 - The Rate Constant In this video Paul Andersen describes the characteristics of the rate constant in chemical reactions. The rate constant is highly variable in reactions and must be determined experimentally. The rate constant is dependent on both temperature and the presence of a catalyst. In a first-order reaction the rate constant and the half-life are both independent of the concentration and inversely proportional. Do you speak another language? Help me translate my videos: http://www.bozemanscience.com/translations/ Music Attribution Title: String Theory Artist: Herman Jolly http://sunsetvalley.bandcamp.com/track/string-theory All of the images are licensed under creative commons and public domain licensing: "File:Aufgeschnittener Metall Katalysator Für Ein Auto.jpg." Wikipedia, the Free Encyclopedia. Accessed October 20, 2013. http://en.wikipedia.org/wiki/File:Aufgeschnittener_Metall_Katalysator_f%C3%BCr_ein_Auto.jpg. File:Thermometer 0.svg, n.d. http://commons.wikimedia.org/wiki/File:Thermometer_0.svg. "File:Verbrennung Eines Zuckerwürfels .png." Wikipedia, the Free Encyclopedia. Accessed October 19, 2013. http://en.wikipedia.org/wiki/File:Verbrennung_eines_Zuckerw%C3%BCrfels_.png. (n.d.). http://www.yorku.ca/tropchem/thesis/appdx-a.pdf.
Views: 105068 Bozeman Science

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Vary the concentrations of reactants and measure the time it takes for product to appear. This video is part of the Flinn Scientific Best Practices for Teaching Chemistry Video Series, a collection of over 125 hours of free professional development training for chemistry teachers - http://elearning.flinnsci.com ATTENTION: This demonstration is intended for and should only be performed by certified science instructors in a safe laboratory/classroom setting. Be sure to subscribe and check out more videos! Subscribe: https://www.youtube.com/channel/FlinnScientific/ Facebook: https://www.facebook.com/FlinnScientific/ Website: https://www.flinnsci.com/
Views: 225096 FlinnScientific

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Views: 1017 Ekeeda

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Kinetics experiment where the reaction between iodine and acetone with acid catalyst is tracked for determination of the rate law with respect to iodine, acid and acetone concentrations. The rate constant is determined and then measured at two temperatures to determine the activation energy in J/mol by plotting ln k vs. 1/T to get a slope of -Ea/R.
Views: 19094 Scott Milam

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In this video we want to discuss the relationship between the kinetics rate equation and reaction mechanism. The reaction mechanism is the detailed breakdown of the overall reaction showing each elementary step that is taking place in that reaction. One of these elementary steps is the slowest step and it determines the rate of the overall reaction. Therefore the slow step is also referred to as the rate determining step. The rate determining step is directly related to the rate equation, where the order of reaction with respect to a reactant is the number of that reactant involved in the slow step. Take for instance the following rate equation where order with respect to A and B is 1 and 2 respectively. This means that in the slow step, 1 A and 2 B are involved hence we can write out the slow step as follows: Example 1 Let's try to write out the rate equation given the mechanism as shown: From the slow step there is 1 X and 1 Y as reactants. Therefore order with respect to X and Y are both 1 and the rate equation can be written as follows: rate = k[X][Y] Example 2 Let's have another example: From the slow step there is 1 AB and 1 B as reactants. Therefore order with respect to AB and B are both 1. The rate equation can first be expressed as: rate = k[AB][B] However AB is an intermediate since it is formed in the first step but removed in the second step. Therefore we need to rewrite the intermediate AB in terms of the reactants that forms AB in step 1. Since AB is formed from 1 A and 1 B, we can write it as first order with respect to both A and B. The rate equation will now look like this: rate = k[A][B][B] = k[A][B]^2 So we can conclude the order of reaction with respect to A is 1 and with respect to B is 2. For the detailed step-by-step discussion on the relationship between rate equation and reaction mechanism, check out this video! Topic: Kinetics, Physical Chemistry, A Level Chemistry, Singapore Found this video useful? Please LIKE this video and SHARE it with your friends! SUBSCRIBE to my YouTube Channel for new A Level Chemistry video lessons every week at https://www.youtube.com/ChemistryGuru Any feedback, comments or questions to clarify? Suggestions for new video lessons? Drop them in the COMMENTS Section, I would love to hear from you! Find out more about my credentials at https://chemistryguru.com.sg/h2-chemistry-tuition-teacher-maverick-puah -~-~~-~~~-~~-~- Please watch my latest video: "Mole Concept Worked Example - Determining Alcohol J" https://www.youtube.com/watch?v=vSiiPkI9CoI -~-~~-~~~-~~-~-

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This chemistry video tutorial focuses on the Arrhenius equation and how to derive it's many different forms within the subject of chemical kinetics. Here is a list of topics: 1. Arrhenius Equation and the Rate Constant K 2. The units of R and the activation energy 3. Rate law expression and the concentration of reactant A 4. Frequency Factor, Collision Frequency and Steric Factor 5. Rate of Reaction, Rate Constant K, and Activation Energy 6. The Effect of a Catalyst on Activation Energy and Reaction Rate 7. Slope, Ea, and R 8. Slope Intercept Form Linear Arrhenius Equation 9. Factors Affecting the rate of the reaction - concentration, temperature, catalyst, activation energy and rate constant K 10. Arrhenius Equation / Formula Graph

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This video explains the concept of Order of reaction and related terms in HINDI. NOTE :- The content delivered may or may not contain some mistakes in form of wrong spellings or pronouncing wrong word during lecture. In case of any mistake i apologize for the same.
Views: 2289 Chemistry Untold

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This Aakash iTutor video talks about the rate Laws of chemical reactions. The teacher explains the method of determining the rate law of an elementary reaction by taking a look at the stoichiometric coefficient. The order of a reaction can also be predicted on the basis of Rate Laws. Moving on, Complex Reactions are reactions which take more than one step to complete. Writing the rate law for a complex reaction involves analyzing the step wise mechanism of the reaction. The slower step is the rate determining step, and it is used to write the rate law for the complex reaction.
Views: 69533 Aakash Digital

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This chemistry video tutorial provides a basic introduction into reaction rates. The rate of reaction can be calculated from the slope of a concentration vs time graph. The slope of the secant line is equivalent to the average rate of the reaction. You can calculate the slope with the average rate of reaction formula using the data from a graph. The instantaneous rate of reaction over a time interval is equal to the slope of the tangent line. This video is part of the chemical kinetics series. It contains plenty of examples and practice problems of calculating the average rate of appearance of products and the average rate of disappearance of reactants. The production rates of products will always be positive as the reaction proceeds in the forward direction and the rate of consumption of reactants will always be negative. New Chemistry Video Playlist: https://www.youtube.com/watch?v=bka20Q9TN6M&t=25s&list=PL0o_zxa4K1BWziAvOKdqsMFSB_MyyLAqS&index=1 Access to Premium Videos: https://www.patreon.com/MathScienceTutor Facebook: https://www.facebook.com/MathScienceTutoring/

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This chemistry video tutorial provides a basic introduction into the collision theory model. In order for two molecules to react, they must collide with sufficient energy and with the proper molecular orientation. This video describes the relationship of the rate of the reaction with temperature and activation energy using the arrhenius equation. As the temperature increases, the rate constant k increases, which in turn increases the rate of the reaction. Whenever a catalyst is added, the activation energy decreases which increases the value of the rate constant k which in turn increases the reaction rate. This video also includes a brief discussion into energy diagrams. The forward activation energy is the difference between the energy of the transition state / activated complex and the energy of the reactants. This video is part of the chemical kinetics series. This tutorial also discusses the difference between the collision frequency, steric factor, and the frequency factor in the arrhenius equation. New Chemistry Video Playlist: https://www.youtube.com/watch?v=bka20Q9TN6M&t=25s&list=PL0o_zxa4K1BWziAvOKdqsMFSB_MyyLAqS&index=1 Access to Premium Videos: https://www.patreon.com/MathScienceTutor Facebook: https://www.facebook.com/MathScienceTutoring/

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This chemical kinetics video tutorial focuses on solving activation energy problems using the Arrhenius Equation. It explains how to calculate the activation energy, the rate constant K, and the temperature given the rate constant and activation energy. In addition, it contains example problems of calculating the rate constant k by using the frequency factor, steric factor, and the collision frequency. This chemistry video also has practice problems showing you how to calculate the activation energy from the slope of the line of a ln(k) vs 1/T graph and how to calculate the frequency factor from the y-intercept of such a graph. This tutorial contains plenty of examples and practice problems. New Chemistry Video Playlist: https://www.youtube.com/watch?v=bka20Q9TN6M&t=25s&list=PL0o_zxa4K1BWziAvOKdqsMFSB_MyyLAqS&index=1 Access to Premium Videos: https://www.patreon.com/MathScienceTutor Facebook: https://www.facebook.com/MathScienceTutoring/

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This chemistry video tutorial provides a basic introduction into elementary reactions and elementary rate laws. It explains the difference between unimolecular, bimolecular, and Termolecular reactions. An elementary reaction is one in which the rate law can be written from the coefficients of the balanced chemical equation and agrees with empirical data. A unimolecular reaction is a reaction that can proceed using a single molecule. A bimolecular reaction is one in which two molecules must collide in order to react. Termolecular reactions require the collision of three molecules. New Chemistry Video Playlist: https://www.youtube.com/watch?v=bka20Q9TN6M&t=25s&list=PL0o_zxa4K1BWziAvOKdqsMFSB_MyyLAqS&index=1 Access to Premium Videos: https://www.patreon.com/MathScienceTutor Facebook: https://www.facebook.com/MathScienceTutoring/

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Chemistry Chemical Kinetics part 17 (Determine rate constant and order of reaction) CBSE class 12 XII
Views: 16447 ExamFear Education

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Views: 2708 Ekeeda

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MIT 5.111 Principles of Chemical Science, Fall 2014 View the complete course: https://ocw.mit.edu/5-111F14 Instructor: Catherine Drennan Chemists experimentally determine rate laws and then use that experimental information to propose reaction mechanisms. In an overall reaction, some steps will be fast and others slow. One step can be so slow that it governs the overall rate of the reaction; it is the rate-determining step. Learn how to predict reaction mechanisms using the steady-state approximation as well as information about fast and slow steps. License: Creative Commons BY-NC-SA More information at http://ocw.mit.edu/terms More courses at http://ocw.mit.edu
Views: 5849 MIT OpenCourseWare

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Views: 23338 BrimChem

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To Support our Organisation You can Paytm +91 92205 00123(1Rs Minimum and 100Rs Maximum) We are trying to help all students who can't afford quality education. Thanks for supporting us to upload more videos
Views: 1300 Grow Bharat

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Here I have broadly discussed the methods to determine order of reaction experimentally. basically there are two methods and these are as following 1. #method_of_initial_rate 2. #method_of_isolation secondly I have given a broad explanation on why we integrate the rate laws and what are the integrated rate expressions for various order reaction. after 1 or 2 lessons I will upload a video only for problems. so stay tuned for that. If you have not seen my previous videos then go through the links video 1 basic intro to chemical kinetics: https://youtu.be/-Km4bAm9dqQ video 2:rate laws, order of reaction and molecularity of reaction: https://youtu.be/3zLpmg7nU7s if you want to connect with me in social media then click the links facebook: https://www.facebook.com/debashis.panda.144 instagram: https://www.instagram.com/debashis.panda/?hl=en twitter: https://twitter.com/debashispanda13 keep supporting me, that will motivate me to make these videos for you guys. thank you
Views: 1171 Chem Infusion