Solubility, Solubility Coefficient and Solubility Curves Study of Solutions

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Professor Igor Química

Published on Premiered Sep 2, 2022
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In this class, we will talk about solubility or the solubility coefficient and also about solubility curves! Solubility or the solubility coefficient indicates the maximum amount of solute that dissolves in a fixed amount of solvent at a given constant temperature. In this class, we will see how we can interpret solubility or the solubility coefficient and also verify this physical-chemical quantity through graphs known as solubility curves to recognize saturated solutions, unsaturated solutions and supersaturated solutions (unstable or meta-unstable solutions). We will identify an endothermic dissolution and also an exothermic dissolution and thus understand how temperature variation affects the solubility of a compound. We will also talk about the solubility of gases as a function of temperature and pressure (Henry's Law). In this class, we will also solve four exercises to illustrate how these concepts can be charged in college entrance exams. 04:41 - Concept of Solubility or Solubility Coefficient 06:47 - Solubility Curves 08:02 - Saturated Solution 09:05 - Unsaturated Solution 09:36 - Supersaturated Solution 15:31 - Endothermic Dissolution 17:07 - Exothermic Dissolution 19:46 - Solubility of Gases (Henry's Law) Exercises Solved in this Class: 23:53 - UPE The following graph shows solubility curves for substances under the indicated conditions and a pressure of 1 atm 28:12 - UFSCar Potassium chloride is soluble in water and the following table gives the solubility values ​​of this salt in g/100g of water, as a function of temperature 32:50 - UERJ A laboratory technician needs to prepare 1.1 kg of a saturated aqueous solution of an exothermic dissolution salt, using as solute one of the three salts available in your laboratory 36:34 - FGV The graph shows the solubility curve of the potassium dichromate salt in water. An aqueous solution of potassium dichromate, when cooled to 40 C, formed 240 g of crystallized salt Related topics to this class Solubility Rule: • SOLUBILITY CRITERION Equilibrium Displacement (Le Chatelier): • Le Chatelier's Principle Displacement... Thermochemistry: • THERMOCHEMISTRY HESS'S LAW Review 🔔 SUBSCRIBE TO THE CHANNEL 👍 Did you like the video? Leave your LIKE! Follow me on social media: ✏️Instagram: / prof_igor_quimica ✏️Twitter: / igorsuga ✏️Blog: https://igorsuga.wordpress.com/ #chemistry #solutions #solubility

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