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Solutions

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by

Ruben Kralik

on 21 January 2014

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Transcript of Solutions

Solutes and Solvents (C'tnd.)
Solid Solutions-
Not all solutions have to be liquids. Solutions can also be solids. In a solids solution, both the solvent, and solute have to be solids. The gold used to make jewelry is often 14-karat gold. Pure gold is 24-karat gold, so, the gold used in jewelry is 14 parts gold, and 10 parts other metals, most commonly silver, copper, nickle and palladium. Here, gold is the solvent and the others and solutes. Solid solutions are called alloys when they are made by 2 or more metals.

Gas Solutions-
The air we breathe is 78% nitrogen gas, 21% oxygen gas and 1% argon gas, along with tiny amounts of other gasses like nitrogen gas. Air is therefore the solution of those gasses, making air, a gas. In all gas solutions, the solute and solvent are gasses.

Water Pollution-
Plants and animals get some of their nutrients from water. Sadly, water can dissolve pollutants too. Pollution includes any kind of pure substance or mixture that can contaminate or destroy the environment. Pollution
Concentration and Solubility (2.3)
Apple seeds contain a very tiny amount of cyanide. Cyanide is a poisonous chemical as well as a pure substance. Don't worry about being poisoned though, cyanide is there in such small amounts that it can't hurt you. Pure substances can be good or bad for you depending on how much of them that you eat. For example, foxglove has a chemical called
digitalis
, used to help heart disease. If you consume too much digitalis, it could make your heart beat too fast and you could die.

Concentrated and Dilute Solutions-
A concentrated solution has a large amount of solute is in a certain amount of of volume. A dilute solution has a small amount of solute in a similar volume.

Saturated and Unsaturated Solutions-
If you continue to add powder to your drink, eventually, no more powder will dissolve. Once this happens, your drink is
saturated
. A saturated solution is a solution that has reached its maximum amount of solute that it can dissolve. An
unsaturated solution
is a solution that can still dissolve more solute.

Solubility-
Chemists call the amount of solute that can go into a solvent before it becomes saturated
solubility
: the maximum amount of solute that will dissolve in a given volume. When this solute has dissolved, the solvent is saturated, creating a saturated solution.
Solutes and Solvents (2.1)
Solubility:
A measure of how much solute can dissolve in a certain solvent to form a saturated solution at a particular temperature and volume.
Dissolving and the Particle Theory (2.2)
Particle Theory- You can use the particle theory to help explain what happens when solutes dissolve. The particle theory states that there are spaces between all particles, but also many spaces. That means, that in water, there are lots of water particles but also many empty spaces. The same thing for solids and gasses.if you put sugar into water, the sugar particles will mix with the water particles. Sugar particles and water particles are attracted to each other, but some particles are not attracted to sugar particles.

Dissolving- If a solute dissolves in a solvent better than other solvents, it is considered soluble in that solvent. If a solute does not dissolve, it is considered insoluble. Sugar, is soluble in water, but insoluble in vegetable oil and alcohol.
Solutions
Definitions
By Ruben K.
Most solutions are made by using one matter more than the other. The solvent is the part with the larger quantity, and the solute is the part that has the smaller quantity. Solutes are the part that dissolve into the solvent to make a solution. Solutions are made by mixing one ore more solutes into the solvent.

Liquid Solutions-
All liquid solutions have liquid solvents. Water is the most common solvent on Earth. It is used in paint, nail polish, shampoo, perfume and many more. Solutes can be solids, liquids or gasses.

Water-
You may think that your tap water is pure water, but, your tap water contains many solutes like iron, aluminum, salt, fluorine, calcium, magnesium and chlorine. Most of these solutes are picked up in the water when it flows in underground lakes and rivers. When the water goes to be cleaned, they add fluorine and chlorine to the water to keep you teeth healthy and kill all the bacteria.

Since you body is almost 70% water, it can dissolve many solutes to make solutions in your body. The solutes in your body are mostly salt, oxygen, sugars and minerals like calcium and potassium. These solutes are able to travel around your body since they're dissolves in water. Blood plasma, sweat, urine and tears. Water is the solvent in all these solutions.

3/4 or 75% of the wolds surface is water. Almost all the time, there is the same amount of water on the Earth. Water from oceans and rivers is evaporated, turned into a cloud, then rains or snows, eventually coming back to those rivers or oceans. When water moves around the Earth, it dissolves many solutes, which are the carried all over the world, ending up anywhere like in animals or plants.
Solute:
The smaller part of a solution. (Dissolves into a Solvent [Lemonade Powder])
Solvent:
The larger part of a solution.
(The part of a solution where the solutes dissolve [Water])
Dissolve:
To mix one type of matter into another to make a solution. (Instant Lemonade)
Dissolving:
Mixing completely with a solvent to form a solution. (Process of making Instant Lemonade)

Pollution:
Contaminants in the environment that could harm living things.
Insoluble:
Unable to dissolve in a specific solvent.
Concentrated Solution:
A solution with a large number of solute particles in a given volume of solution.
Dilute Solution:
A solution with a small number of solute particles in a given volume of solution.
Concentration:
The amount of solute present in an amount of solution.

Unsaturated Solution:
A Solution in which more solute can be dissolved.
Saturated solution:
A solution in witch no more solute can dissolve.
Soluble:
Able to dissolve in a specific solvent.
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