How does soap work? (3D Animation)

How does soap work? 𝗜𝗻𝗱𝗲𝘅: ⏲ 0:00 Chemistry of soap molecules ⏲ 0:33 How does soap work? ⏲ 1:12 How does soap kill germs? ⏲ 1:41 Bar soaps vs Liquid soaps 📫𝐎𝐮𝐫 𝐅𝐁 𝐏𝐚𝐠𝐞: https://www.facebook.com/ScienceWorld-106933907791981 🎬𝐈𝐦𝐚𝐠𝐞𝐬, 𝐚𝐧𝐢𝐦𝐚𝐭𝐢𝐨𝐧𝐬 𝐚𝐧𝐝 𝐯𝐢𝐝𝐞𝐨𝐬 𝐜𝐫𝐞𝐝𝐢𝐭𝐬: - Pexels 📚𝐃𝐚𝐯𝐢𝐝'𝐬 𝐁𝐨𝐨𝐤𝐬 📕 𝗪𝗲𝗶𝗿𝗱 𝗠𝗮𝘁𝗵𝘀: 𝗔𝘁 𝘁𝗵𝗲 𝗘𝗱𝗴𝗲 𝗼𝗳 𝗜𝗻𝗳𝗶𝗻𝗶𝘁𝘆 𝗮𝗻𝗱 𝗕𝗲𝘆𝗼𝗻𝗱 (https://www.amazon.com/Weird-Maths-Agnijo-Banerjee-Darling/dp/1786072645) 📙 𝗪𝗲𝗶𝗿𝗱𝗲𝗿 𝗠𝗮𝘁𝗵𝘀: 𝗔𝘁 𝘁𝗵𝗲 𝗘𝗱𝗴𝗲 𝗼𝗳 𝘁𝗵𝗲 𝗣𝗼𝘀𝘀𝗶𝗯𝗹𝗲 (https://www.amazon.com/Weirder-Maths-At-Edge-Possible/dp/1786075083/) 📗 𝗪𝗲𝗶𝗿𝗱𝗲𝘀𝘁 𝗠𝗮𝘁𝗵𝘀: 𝗔𝘁 𝘁𝗵𝗲 𝗙𝗿𝗼𝗻𝘁𝗶𝗲𝗿𝘀 𝗼𝗳 𝗥𝗲𝗮𝘀𝗼𝗻 (https://www.amazon.com/Weirdest-Maths-David-Darling/dp/1786078058/) ** The kindle versions are available *** For more details : http://weirdmaths.com/ 📄𝐓𝐞𝐱𝐭: This is a molecule of soap or, to give it its chemical name, sodium stearate. It consists of 2 parts: a lipophilic tail and hydrophilic head. The lipophilic tail interacts with fats, oils, lipids, and non-polar molecules whereas the hydrophilic head interacts with water and other polar substances. This structure is the key to soap’s cleansing and germ-killing properties. If we wash our hands without soap, we can only clean off dirt that’s soluble in water. Water alone can’t remove oily substances since it can’t interact with them. But if we wash our hands with soap, the lipophilic tails attach to oily substances and spherical structures called micelles are formed. When we rinse our hands with water, the water molecules interact with the hydrophilic heads. As a result, the micelles are carried away by the water molecules and all the dirt comes off from our hands. What about germs? Does soap kill them? The answer is: yes. Germs such as bacteria, viruses and fungi have lipid cell membranes. So when we wash our hands with soap, the lipophilic tails attach to the membrane and with the help of a water flow, tear the germs’ membranes. Mankind has been using soaps since ancient times. They’re easily made and, as we’ve seen, are effective against dirt and germs. Today we use mainly liquid soaps instead of bar soaps. Although they’re equally effective, there are some small differences. Bar soap is made with sodium hydroxide (or lye) and liquid soap is made with potassium hydroxide (or potash). Bar soap contains fewer chemicals and is more environmentally friendly whereas liquid soap likely has a better pH level for the skin. Bar or liquid variety – both can help prevent you from getting sick. So, whenever possible, use them and stay safe. #soap #micelle #3d