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Solutions in our everyday lives
Transcript of Solutions in our everyday lives
Identifying Suitable Solvents
Factors that affect rate of dissolving and solubility(temperature, surface area, pressure and concentration)
Making predictions about Solubility (Solubility of Ionic Compounds)
Reactions in Aqueous Solutions Many chemical reactions are carried out in solutions, and solutions are also closely related to our everyday lives.
The air we breathe, the liquids we drink, and the fluids in our body are all solutions.
Furthermore, we are surrounded by solutions such as the air and waters (in rivers, lakes and oceans). Steel is a solid solution of carbon and iron Types of Solutions gas-gas solutions (gaseous)
solid solutions What are Solutions? How is this related to our course? Realisation Alloys -Solutions are homogeneous mixtures.
-A homogeneous solution is a single phased mixture of two or more substances of varying proportions. Normally a solution is made up of two components namely a solute and a solvent. -When gas or solid materials dissolve in a liquid, the gas or solid material is called the solute.
-When two liquids dissolve in each other, the major component is called the solvent and the minor component is called the solute Juice is a liquid solution of of sugar and flavouring dissolved in water. Air is an example of a gaseous solution. The 4 main components are nitrogen(78%), oxygen(21%), argon(0.9%), and carbon dioxide(0.03%). An alloy is a metal made by combining two or more metallic elements, esp. to give greater strength or resistance to corrosion. Sterling silver-(92.5% silver, the rest usually copper) Bronze-broad range of Copper alloys, usually with tin as the main additive. Nickel-combined with iron, copper, chromium, and zinc. REAL-LIFE APPLICATION This is because most spicy substances contain oils that coat the tongue, and these oils are not attracted to water.
Better "solution" (in more ways than one) = milk, and in particular, whole milk. Though a great deal of milk is composed of water, it also contains tiny droplets of fats and proteins that join with the oils in spicy substances, thus cooling down the mouth.
Polar water, non polar oil DRINKING WATER TOO COOL MOUTH JUST EAT SPICY FOOD DOES NOT WORK!!! Carbonated drinks are a liquid solution of carbon dioxide gas and water.