rate of reaction coursework Essay

Submitted By afeera_
Words: 629
Pages: 3
Open Document
The topic we are investigating is the rate of reaction. A rate of reaction simply means how fast or slow a reaction takes place. For a reaction to take place the molecules need a sufficient about of energy for collisions to happen.
There are ways in which affect the time of the reaction, such as surface area, Temperature, concentration and the use of a catalyst.
Firstly surface area, this can affect the time of a reaction to take place due to how much exposed are it has. Temperature is another thing, this is because if you make the temperature higher, by heating it the molecules separate and move around faster. By increasing the speed of the molecules more collisions are taken place and therefore the reaction occurs quicker. Concentration of the solution also affects it due to vast amount of collisions that would take place because there would be more of the reactants and therefore more chance of them to collide. Catalyst is any substance that works to accelerate a chemical reaction. So therefore adding in a catalyst to the reaction would make it more reactant, due to the fact that it replaces the amount of energy needed for the collisions.
The two chemicals we are using in our investigation are sodium thiosulfate and Hydrochloric Acid. With this reaction sodium chloride, sulphur dioxide, sulphur and water are formed. The sulphur in this reaction makes the solution go cloudy. Our investigation would be based on the rate of formation of sulphur. The chemical equation for this reaction is:
Na2S22O3 + HCl  2NaCl + H2O + SO2 + S
The experiments I could have done were
- Measuring volume of gas produces
- Measuring precipitation
- Measure the mass lost

The experiment I chose was to measure the precipitation with the factor of concentration. To do this I would place a white piece of paper underneath the beaker that has been marked with a cross that could be easily seen through the clear liquid. As the sulphur forms in the reaction the solution will become more and cloudier and the cross gets harder to see. The way I will measure this is by starting the timer as soon as........................ is added and measure the time it takes till the cross is no longer seen.
Before doing the actual experiment, we did trial runs to test and tackle the problems we come across, so we don’t
Show More

Related Documents: rate of reaction coursework Essay

Test: The AP Calculus Essay

Mannetta Portfolio Differentials: Differentials can be defined as a subdivision of calculus dealing with the study of the rates at which quantities change. It is one of the two traditional divisions of calculus, the other being integral calculus. Differential calculus consists of the application of a functions derivative at a chosen input value which describes the rate of change of the function near the input value. The process of finding the functions derivative is called differentiation. Differential…

Words 857 - Pages 4

How Do Competencies Vary Between ADN And BSN Assignment 2 Essay

working for so long. The nation’s Magnet hospitals have required all nurse managers to hold at least a baccalaureate or graduate degree in nursing by 2013. I decided to face my fear of university coursework and am now finding out that there are valid reasons to advance education, primarily patient mortality rates. I chose Grand Canyon University because they have core values in professionalism, ethical decision making, accountability, critical thinking, and effective communication. This is achieved through…

Words 1059 - Pages 5

Lichens Investigation

Unit 6 biology coursework: Lichens Page 1: introduction Page 2: Research & rationale Page 3: Planning Investigating light intensity in lichens Experimental hypothesis: There is a strong correlation between light intensity and the abundance of lichens…

Words 1787 - Pages 8

Monetary Policy and Investment Bank Bear Essay

Drossou / Lesley Mearns/ John Reilly O’ Donnell HAND-IN-DATE: 14th May 2012 HAND-IN-TIME: ONLY Turnitin Submission – NO HARD COPIES Before 12.00pm COURSEWORK TASK: After reading this document you are required to answer ALL FOUR tasks: THE CREDIT CRUNCH CRISIS OF 2008 In October 2008, the world financial system came within a whisker of complete meltdown. In September 2008, the US government…

Words 1365 - Pages 6

RIM ASSIGNMENT Essay

FACULTY OF BUSINESS, ECONOMICS AND LAW GROUP COURSEWORK COVERSHEET Coursework Details Module Name and Code RESEARCH IN MARKETING (MAN3087) Coursework Title IMPULSE PURCHASING BEHAVIOUR IN TOPSHOP/TOPMAN CUSTOMERS Deadline 1/12 BY 4PM Word Count 1891 Student Details Student URNs (7 digit number on Uni card) 6295130 6196996 6212782 6185230 Student Names XUAN WANG SHIWEN HUANG POU ZHOU KYUNG JUNG Programme(s) BUSINESS MANAGEMENT Student Declaration To be agreed by Students Please refer to the University…

Words 3381 - Pages 14

Running a Commercial Organisation Essay

following elements: • Examples of international organisation structure • Project management framework / template • Writing a Business Plan DUE DATE – 25th March 2014 Course Assessment Group Assessment •The assessment will consist of group coursework (8 students per group) •a written report (1500 words) – a summary of the venture with a focus on the management of global HR requirements •an electronic Poster presentation - based on the Diamond Model to present the complexity / technology…

Words 1375 - Pages 6

ECON 7200 Economic Principles M Semester 2 2013 Course Profile DUFE Essay

Postgraduate Coursework Location/s: DUFE Units: 3 Contact: 4 hours per week Prerequisites: Not applicable Co-requisites: Not applicable Incompatible: Not applicable Assumed Knowledge: Not applicable Restrictions: Available to M Commerce, M Accounting & Finance, M Accounting & Performance Management, M Accounting & Marketing, M Applied Finance, M Finance & Business Economics, Grad. Dip. in Global Wealth Management students only. Not available to students enrolled in Economics Postgraduate coursework programs…

Words 6839 - Pages 28

Essay on Corporate Reporting

ASSIGNMENT SUBMISSION SHEET Course Title: BSC (Hons) in Accounting and Finance Module Title: CORPORATE REPORTING Team Members: 1. LEE KEE TAR, UB: 11034518 2. JULIANA BTE ABDUL RAHMAN, UB: 11034517 3. VITHIA SUBRAMANIAM, UB: 11034521 4. ANG MING LIANG, UB: 12038344 Title: SEGMENT DISCLOSURE ARE WIDELY REGARDED AS SOME OF THE MOST USEFUL DISCLOSURE IN FINANCIAL REPORTS BECAUSE OF THE EXTENT TO WHICH THEY DISAGGREGATE FINANCIAL IMFORMATION…

Words 3109 - Pages 13

History Of Educational Policy

students. The selection process was unfair and wasteful: selecting pupils at 11 denied many the chance to continue their education beyond 15. A waste of ability for students and the nation. No parity of esteem: secondary moderns were seen as second rate; grammar schools had a higher status as they specialised in academic subjects which led to well-paid jobs. They were therefore unequal. ¾ of students failed the 11+: for most pupils, the only alternative if they failed the 11+ was a secondary modern…

Words 8100 - Pages 33

Hrm Mid Essay

people side of your business? What is the fundamental people contribution to bottom line business performance? Step 2: Develop a Mission Statement or Statement of Intent That relates to the people side of the business. Do not be put off by negative reactions to the words or references to idealistic statements - it is the actual process of thinking through the issues in a formal and explicit manner that is important. What do your people contribute? Step 3: Conduct a SWOT analysis of the organization Focus…

Words 5633 - Pages 23