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Higher Chemistry Soaps, Detergents & Emulsions

We look at how to make a soap, the unusual "2 for the price of 1" properties of the molecule, why soaps were not up to the job in some parts of the UK and how to make mayonaisse *_NOTE. At 9:07 I forgot to include the terms "hydrophobic", as in afraid of water to describe the non-polar tail and "hydrophilic" to describe the polar end. My apologies for muppetry_* SQA p68-70, Scholar p127-147 0:00 Intro 1:51 My sponsors 2:14 How to make soaps 4:18 Two reactions for the price of one 4:35 Hydrolysis, then neutralisation 6:55 A typical soap 7:25 Properties of a soap 8:54 Dual nature molecule 9:22 How soaps clean 13:38 An emulsion 14:17 Be careful with dishwater tabs 14:47 What is soap scum? 16:32 What's the cure? 17:03 What's hard water? 17:31 Emulsifiers 18:46 Can you hear my teeth grinding? 20:08 Recap