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Discuss application of suitable buffer solution

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Reference no: EM131689645

Aim - To understand the fundamentals of thermochemistry and electrochemistry and its application in engineering problems.

Learning Outcomes

- To appreciate equations of state, chemical reaction equilibrium and basic thermo chemistry
- To understand basic electrochemistry thermochemistry

Tasks: Student need to submit a well typed report on following 3 tasks.

Task 1: Buffer solutions are highly useful in various biological and industrial applications. Discuss application of suitable buffer solution used in 2 industries.

Answer should includetechnical discussion on working principle, importance and related chemical reactions, facts and images etc.
(Word limit 800 words)

Task 2: Hess's Law of Constant Heat Summation states that regardless of the multiple stages or steps of a reaction, the total enthalpy change for the reaction is the sum of all changes. Discuss 2 cases where Hess's law can be applied to calculate enthalpies of reactions that are difficult to measure directly.

Answer should include technical discussion on chemicalreaction, data and explanations.

(Word limit 450 words)

Task 3: Electroplating is the process of plating one metal onto another by hydrolysis, most commonly for decorative purposes or to prevent corrosion of a metal.Explain complete process of electroplating by taking a suitable example from electroplating industry.

Answer should include a neatly labelled diagram, discussion on selection of electrolyte, suitable electrodes, surface preparation, bath preparation, chemical reaction etc.

Verified Expert

This assignment consists of three chemistry based theoretical questions. The first one was on buffers which are used for maintaining the pH of a solution. The second question was on Hess's law which plays a predominant role in the calculation of enthalpy of a reaction based on the enthalpy of the intermediates formed in the reaction. The third question was on electroplating which is a common phenomenon used for preventing the corrosion of metals. In this one metal is coated over another metal with the help of electric current.

Reference no: EM131689645

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len1689645

10/24/2017 8:21:45 AM

Marking scheme Component Description Weightage 1 Knowledge and understanding of the topic 30% 2 Application and analysis of the topic 35% 3 The structure of answer in terms of logic and coherence 30% 4 The use of relevant work examples and/or examples gained from further reading 5% Total 100% Referencing Harvard Referencing (CCE Style) First Edition 2013 should be followed for both in-text and listing references. 7. For online submission of course work, pdf file with appropriate cover page mentioning name of student, student number and title of the course work should be uploaded using the submission link created and made available by the module leader. 8. Both in-text and end references should be given in all answers.

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