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Properties of Materials - Coggle Diagram
Properties of Materials
What is a property? || A property is a way of describing the material. It can be something that is seen or observed. It can also be a way of describing how a material reacts with something else or how it behaves when gaining or losing energy.
A chemical property is the way that a material reacts with other materials and new substances are made.
Example: A chemical property of methane gas is that it reacts with oxygen to form carbon dioxide and water.
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Solubility || Solubility is a measure of how much of a substance will dissolve in another substance. It's usually measured as grams of solute per 100cm³ of solvent. The solubility of sugar in water is 204g of sugar per 100cm³ of water at 20°C.
Matter is made from atoms and molecules. When the solute dissolves in the solvent the atoms and molecules are able to fit into the gaps around the molecules of the solvent. When all gaps are filled, no more solvent can dissolve, we call this a saturated solution.
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Conductivity
There are two kinds of conductivity, thermal and electrical.
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Materials that allow heat or electricity to flow through them are called conductors. Materials that do not allow heat or electricity to flow through them are called insulators.
Crystals will form if a hot saturated solution of a substance such as copper sulfate is allowed to cool slowly. This happens because while the solution coolsit is unable to dissolve as much solute. If it cools very slowly the molecules will have more time to come together and form lager crystals. If it cools too quickly there is no time for large crystals to form and tiny crystals settle at the bottom of the evaporating dish.
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