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Chemistry
Phase Changes
Phase Changes
Preparation and Purification of an Tertiary Alkyl Halide.(Low)
2-methyl-2-chloropropane is produced by the reaction of concentrated hydrochloric acid with 2-methyl-propan-2-ol. The product is then purified by solvent extraction and simple distillation.
By
Frank Scullion
Coagulation and Dialysis
Coagulation is the process by which blood forms clots
By
Mr. V
Dissolution, Precipitation, Saturation
Understanding molar solubility.
By
Mr. V
Separation techniques: Fractional distillation
Fractional distillation is used to separate a mixture of two or more fluids that at two different boiling points. Heating the mixtures and partially condensating the vapors are both parts of this process.
By
Frank Scullion
$7.99
Phase Diagrams
A type of chart used to show conditions at which thermodynamically distinct phases can occur at equilibrium
By
Mr. V
Calorimeter- Coffee Cup and Bomb Calorimeters
A calorimeter is an object used for calorimetry, or the process of measuring the heat of chemical reactions or physical changes as well as heat capacity
By
Mr. V
Separating techniques: Simple Distillation
Distillation is the separating of mixtures in a boiling water and is not a chemical reaction. In this video lesson, Mr. Scullion will be demonstrating a simple distillation.
By
Frank Scullion
Separating techniques: Separating Funnel
This flash animation outlines what happens when a separating funnel is used to separate a mixture of two immiscible liquids such as oil and water or an ester and water. The least dense liquid forms a layer on top of the other. 1. Pour the mixture from a beaker into the separating funnel. 2. Allow to stand for several minutes until the liquids have fully separated into distinct layers. There should be no cloudiness in the layers as this would indicate they haven't fully separated. 3. Open the tap and allow the lower layer to run out into a clean beaker below, 4. When the lower liquid is almost fully out, control its speed using the tap.
By
Frank Scullion
Hydration and Electrolytes
Effects of prevention of dehydration.
By
Mr. V
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Phase Changes
Matter
5
SI System
3
Measurements
22
Aufbau Principle
1
Teachers
Denis Zelvys
Member
Jackson, United States of America
Mr. V
Member
Edison, United States of America
Karan Modi
Member
Yanbu Al-Bahr, Saudi Arabia
Mitchell Swords
Member
Lititz, United States of America
Frank Scullion
Member
United Kingdom