This chemistry video tutorial provides a basic introduction into method of initial rates which is useful for determining the order with respect to the reactants and the overall reaction order. In addition, the initial rates method is useful for experimentally determining the rate law expression for a particular chemical reaction. This video explains how to calculate the value of the rate constant K and how to determine its units. This video is part of the chemical kinetics series. It contains plenty of examples and practice problems.
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Views: 100585
The Organic Chemistry Tutor

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: 160428
chemistNATE

Sample concentration vs. time data is analyzed to determine the reaction order, rate law and rate constant.

Views: 26105
Eric Zuckerman

Watch more videos on http://www.brightstorm.com/science/chemistry
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Views: 583324
Brightstorm

Example of graphing first-order rate data to see a linear relationship, and calculating rate constant k from the slope.
Watch the next lesson: https://www.khanacademy.org/science/chemistry/chem-kinetics/copy-of-kinetics/v/half-life-of-a-first-order-reaction?utm_source=YT&utm_medium=Desc&utm_campaign=chemistry
Missed the previous lesson? https://www.khanacademy.org/science/chemistry/chem-kinetics/reaction-rates/v/experimental-determination-of-rate-laws?utm_source=YT&utm_medium=Desc&utm_campaign=chemistry
Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivity. This material roughly covers a first-year high school or college course, and a good understanding of algebra is helpful.
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
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Views: 94821
Khan Academy Organic Chemistry

Dr. Shields demonstrates how to determine the order of each reactant using a table of data collected in method of initial rates experiments. Part 1 of 3. General Chemistry

Views: 15702
Shawn Shields

Using a natural log-natural log plot and reaction information, determine the reaction order and rate constant associated with one of the reagents. Made by faculty at the University of Colorado Boulder, Department of Chemical and Biological Engineering. Reviewed by faculty from other academic institutions.
Check out our Kinetics/Reactor Design playlists: https://www.youtube.com/user/LearnChemE/playlists?view=50&flow=list&shelf_id=7
Are you using a textbook? Check out our website for videos organized by textbook chapters: http://www.learncheme.com/screencasts/kinetics-reactor-design

Views: 9167
LearnChemE

In this video you will see how the order is calculated from the experimental data obtained.
The excel file that can be used to calculate the order of the reaction can be downloaded from this site.
https://www.protonator.com/labs
Password to access this page is eureka2015

Views: 894
Vinstan

Determine the order of reaction with respect to its reactants, find the rate constant, and calculate the rate at given concentrations. Based on experimental data. Kotz, et al. 7th ed. #15.11

Views: 114720
SlowChem

A tutorial on determining reaction orders and rate laws.

Views: 186860
Wes Adams

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: 306540
Ben's Chem Videos

How to calculate reaction rate from your absorbance data!

Views: 27142
kirk kawagoe

Edited by Dan Rosenthal. Everything else by me.

Views: 100281
GenChem Concepts

Dr. Shields further discusses the differential rate law and the initial instantaneous rate. How to determine the rate law for a reaction using the method of initial rates is discusses with an example. General Chemistry

Views: 6722
Shawn Shields

How do you find the rate constant of a reaction, if all you're given is a table of kinetic data (concentrations and times)

Views: 304541
chemistNATE

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: 6756
Eric Zuckerman

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: 47534
Michel van Biezen

You need to learn the 6 graphs and be able to explain how they link together.

Views: 40581
Richard Thornley

How to determine the rate law of a reaction that has 2 reactants using the method of initial rates.

Views: 71839
Ben's Chem Videos

Chemistry: Kinetics--determining the rate law from experimental data through the method of initial rates. Exponents, rate constant, units for the rate constant. Order of the reaction
This is a recording of a tutoring session, posted with the student's permission.
These videos are offered on a "pay-what-you-like" basis. You can pay for the use of the videos at my website:
http://www.freelance-teacher.com/videos.htm
For a list of all the available video series, arranged in suggested viewing order, go to my website.
For a playlist containing all the videos in this series, click here:
http://www.youtube.com/watch?v=W9JyN3VBllc&feature=PlayList&p=E7FE4B5D3FB39778&index=0&playnext=1
(1) Finding the rate law from experimental data—exponents; rate constant (k)
(2) Finding the units for the rate constant. Order of the reaction
tags: education college student students university exam test educational study campus school class

Views: 49412
freelanceteach

Views: 473
LPSChemistry

If you have rate constants at different temperatures, you can use Microsoft Excel (or OpenOffice) to find the Activation Energy.
The slope of a (ln k) vs (1/T) graph is -Ea/R. So just take the slope, flip the sign, and multiply by 8.314 ... the answer will be in J/mol
Check me out: http://www.chemistnate.com

Views: 16227
chemistNATE

The initial rates method shows the effect of varying reactant concentrations on the initial rate of reaction. Using this data we can determine the order with respect to each reactant, and hence the rate equation. We can then use the experimental data to calculate the value of the rate constant.

Views: 17903
Andrew Crookell

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:
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Views: 27905
The Organic Chemistry Tutor

In this video you will use the method of initial rates to determine the rate law for the decomposition of ozone. The method of initial rates involves using a series of experiments (trials) where you measure the concentrations of different chemical species and measure the rate of the reaction. If these trials are done multiple times you can use the data to determine the rate law.
For example, if trial 2 doubles the concentration of reactant A compared to trial 1 and this doubles the reaction rate, we can say that the reaction is 1st order with respect to reactant A. If trial 3 doubles the concentration of just reactant B and this quadruples the rate, we can say that the reaction is 2nd order with respect to reactant B.

Views: 1306
Real Chemistry

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: 1844
FranklyChemistry

Determine the rate law for a reaction occurring in a batch reactor using differential analysis. Made by faculty at the University of Colorado Boulder, Department of Chemical and Biological Engineering.
Check out our Kinetics/Reactor Design playlists: https://www.youtube.com/user/LearnChemE/playlists?view=50&flow=list&shelf_id=7
Are you using a textbook? Check out our website for videos organized by textbook chapters: http://www.learncheme.com/screencasts/kinetics-reactor-design

Views: 10939
LearnChemE

This chemistry video tutorial explains how to solve ice table equilibrium problems. It shows you how to write the equilibrium expression given a chemical reaction and how to calculate the equilibrium constant. This video contains plenty of examples and practice problems.
General Chemistry Video Playlist:
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Here is a list of topics:
1. Writing The Equilibrium Expression From a Chemical Reaction
2. Calculating Kp or Kc - The Equilibrium Constant Given The Equilibrium Concentrations of The Reactants and Products
3. Ice Table Problems - Determining Kc Given Equilibrium and Initial Concentrations
4. How to Calculate The Equilibrium Concentration Given Kc or Kp
5. Reaction Quotient Q and Equilibrium Constant K
6. How To Determine Which Direction The Reaction Will Shift Using The Reaction Quotient Q
7. Solving an Ice Table Equilibrium Problem Using The Quadratic Formula

Views: 354665
The Organic Chemistry Tutor

Dr. Shields demonstrates how to calculate the value for the rate constant (with units) after determining the orders of each reactant using initial rates experimental data (done in part 1). Part 2 of 3. General Chemistry

Views: 24738
Shawn Shields

We determine the order of a reaction based on time and concentration using Excel. We determine the value the rate constant and use it to determine the concentration of a reactant.

Views: 34
Mike Davis

Rate of reaction is defined as the change in the amount of reactants or products per unit time.
In a graph of quantity of product/reactant over time, the rate of reaction is equal to the gradient of the graph.
This video is created by http://www.onlinetuition.com.my/
More videos and free notes are available at http://spmchemistry.onlinetuition.com.my/

Views: 33844
myhometuition

Dr. Shields demonstrates how to calculate the rate of reaction for new concentrations of reactants using the rate constant (with units) and orders of each reactant derived from initial rates experimental data (done in parts 1 and 2). Part 3 of 3. General Chemistry

Views: 2058
Shawn Shields

A simple example of the method of intitial rates used to determine the experimental rate law for a reaction.
Table of Contents:
00:00 - The "Initial" Initial Rate problem
00:29 - The Rate Law
01:18 - The Generic Rate Law
02:41 - The Method of Initial Rates
03:31 - Explore the Data for Unique Changes
04:57 - The Order with Respect to C4H6
07:34 - Obtaining the Rate Constant
08:36 - Assess Yourself

Views: 868
Eric Zuckerman

In this video you will learn how to plot the concentration of reactants vs time to determine the rate order and rate constant of a chemical reaction. This is accomplished by using integrated rate laws. For example, if a plot of concentration vs time is linear, then the reaction is a zeroth order reaction and the slope of the best fit line is the rate constant (times negative 1). If a plot of the natural log of concentration vs time is linear, then the reaction is first order and the slope is once again the rate constant (times negative 1). Lastly, if the plot of one over concentration vs time is linear, then the reaction is second order and the rate constant is the slope (not negative in this case).

Views: 2456
Real Chemistry

Use of the integrated rate laws in determining the order of a reaction is discussed.

Views: 1206
Eric Zuckerman

If you are given a table where all the trials are completely different and don’t follow a pattern, don’t worry I’ll show you how to determine the rate law and rate constant. You will also learn how to figure out the rate constant units with ease!
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Views: 1591
Chemistry with Melissa Maribel

Using Excel - Graphical Method

Views: 5085
Yu Kay Law

Screencast illustrating how to take experimental data and derive the differential rate law for that chemical process.

Views: 3052
Chemteacher phil

Applications and skills:
Analysis of graphical and numerical data from rate experiments.

Views: 7340
Mike Sugiyama Jones

Given initial rate data, determine the order of the reaction for one of the reactants.
Made by faculty at the University of Colorado Boulder, Department of Chemical & Biological Engineering.
Check out our Chemistry playlist: https://www.youtube.com/playlist?list=PL4xAk5aclnUi1CEFNwjcheMgyWe8BwuLS
Check out our website for screencasts organized by popular textbooks: http://www.learncheme.com/screencasts/chemistry

Views: 2704
LearnChemE

Views: 43917
Russ Cornelius

Average rate, determining ANY Rate Law from experimental data

Views: 16262
Michele Berkey

This video describes
1. Transferring Data the Vernier cmbl file type to Excel using Logger Pro
2. Setting up plots for the analysis of kinetic data
Just a note, I accidentally called the first graph the "Concentration vs Time" when it is actually absorbance vs time.

Views: 10564
kirk kawagoe

Testing for 1st or 2nd order kinetics using graphing, testing for a linear relationship.

Views: 2759
Michele Berkey

Here we create 3 different plots to evaluate if the reaction is zero order, first order, or second order.

Views: 26694
profpiersol

Examination of rate data will show relationships between the [reactants] and the rate of reaction. If the rate does not change when the [reactant] does -- the order of reaction will be zero for this reactant. A directly proportional relationship gives an order of one, and a squared relationship gives a two. Units for k will vary with the order of reaction; 1st order gives s-1, 2nd order mol-1 dm-3 s-1, 3rd order mol-2 dm6 s-1.

Views: 42090
Richard Thornley

Given two rate constants at two temperatures, you can calculate the activation energy of the reaction.
In the first 4m30s, I use the slope formula (y2-y1 / x2-x1)
In the last half, I use the Arrhenius equation to solve for Ea directly.

Views: 50815
chemistNATE