These are my personal notes including diagrams and detailed explanations for concepts studied in edexcel IAL chemistry Unit 5. There are 8 pages in total.
These Notes Cover the following topics:
- Definition of the two types of cells
- Definition of Reduction Potential
- Spontaneous and Non spontaneous reactions and conditions for each
- Labeled diagram of a cell
- Diagram and explanation of SHE (Standard Hydrogen Electrode)
- Definition of Absolute Potential Difference
- Conditions for high and low PD
- Overall reaction when Reduction Potential is negative, or positive
- Table of half equations. Labeled from most powerful reducing to most powerful oxidizing agent
- Symbolic representation of a cell and how to write them
- Definition of Standard Electrode Potential
- Defiinition of EMF
- How to calculate reduction potential of a cell
- Thermodynamic feasibility in cells
- Equation linking Reduction potential , total entropy and number of moles
- Equaltion linking Rlnk, reduction potential of cell and Temperature
- How Breathalysers work
- Different types of breathalysers
- Colour change and equation for the reaction within a breathalyser
- Redox titration of sodium thiosulfate along with a diagram and what happens in the reaction
- Redox titration of KmNO4 along with a diagram and what happens in the reaction
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