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Chemistry
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What is an emulsion? and give some examples

Emulsions are solutions of water and oil. With small droplets of one suspended in the other.Common examples of emulsions:- Mayonnaise, Milk (oil droplets in water)- Butter, Margarine (water droplet...

NL
Answered by Nathan L. Chemistry tutor
18883 Views

How do you make calcium hydroxide (Ca(OH)2) from Calcium carbonate (CaCO3) and what are the equations.

Thermally decompose the calcium carbonate:CaCO-> CaO + CO2Now mix the CaO with water:CaO + H2O -> Ca(OH)2

NL
Answered by Nathan L. Chemistry tutor
21308 Views

What is Le Châtelier's principle?

Le Châtelier's principle is that when a system has reached a dynamic equilibrium the position of equilbrium will move to resist any change that is imposed on it.

For exampl...

TG
Answered by Thomas G. Chemistry tutor
4891 Views

Name the type of reaction that takes place when calcium carbonate is heated strongly?

This is called thermal decomposition. CaCOdecomposes into calcium oxide (CaO) and Carbon Dioxide (CO2).

TG
Answered by Thomas G. Chemistry tutor
27361 Views

What is oxidation?

Oxidation is the loss of electrons from a molecule, atom, or ion. This corresponds to an increase in the oxidation number of the molecule, atom, or ion.

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Answered by Thomas G. Chemistry tutor
3897 Views

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