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Traces of various solid elements such as lead, salt and sulfur may be detected in rainwater for a variety of reasons.
1. There are many kinds of substances floating in the air in the form of tiny particles, including dust, pollen grains, and pollutants such as sulfur dioxide, and lead compounds.
2. The density of water vapor is lower than that of the air, therefore water vapor goes up in the air.
3. The higher the altitude, the colder it becomes.
Water vapor cools down as it ascends in the air. The molecules of the cooled water vapor are attracted to the surface of the floating solid particles. It takes billions of water molecules to form a droplet. The droplets collide with each other and merge into bigger and heavier water drops. It takes about a million droplets to make a raindrop, which finally becomes so heavy that the air cannot hold it up any longer. Then many such drops fall out of the sky, and that's how the rain forms.
The tiny solid particles floating in the air are very important--they are the bases of rain drops. In fact, without solid particles, there will be no rains no matter how much water vapor there is in the air.
Therefore, rainwater is not pure water, and there are many tiny solid particles within every raindrop. Some solid particles may dissolve in water, some not.
In some cases a waterspout (a tornado forming over the ocean) can lift thousands to millions of gallons of sea water high into the air which can subsequently drop onto land, but this is not the normal process for rain formation.
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How would you show that sea water contains more dissolved solid than rainwater does?
it contains dissolved water 'salt'
Does a lake or a river contain more dissolved oxygen?
the river would contain more dissolved oxygen because the water movements cause more oxygen to be produced...try looking at lab bench..it's like a prelab but it helps with the basic information
Can solids mixtures be solutions?
Yes. A solution consists of a Solute - which is dissolved into another substance known as a Solvent.An example of a solid solution would be with steel (Carbon in Iron), and Alloys (eg. Bronze)
Are solutions always of liquids?
I believe when the average person thinks of a solution, they are imagining a solid dissolved in a liquid, and this may be the most common type of solution. However, there are at least six additional types of solutions: 1) A liquid dissolved in one or more other liquids, for example acetic acid in water (vinegar), ethyl alcohol in water (vodka), or hexane dissolved in toluene; 2) A liquid dissolved in a solid as in mercury dissolved in silver (silver amalgam) or cesium dissolved in potassium provided the temperature is above 83.3 deg. F. (Cesium melts at 83.3 deg. F.); 3) One gas dissolved in one or more gasses for example oxygen, carbon dioxide, and argon dissolved in nitrogen (air); 4) One or more solids dissolved in another solid, as in steel, which is a solution of carbon in iron, although modern carbon steels contains small amounts of other solid elements also dissolved in iron; 5) One or more gasses dissolved in a liquid such as carbon dioxide dissolved in water, which is "soda" or "sparkling water," or boron trifluoride dissolved in diethyl ether; 6) A gas dissolved in a solid. This one is tough, and the only examples I know offhand are solutions of hydrogen gas in certain metals and nitrogen dissolved in ice. Hydrogen is quite soluble in nickle and in many other transition metals including iron and copper. It is also soluble in several of the noble metals (rhodium, palladium, and gold). I would be very surprised if there aren't other gasses that dissolve in solids. A search using one of the internet search engines would probably yield some other examples.
What is a leachate solution?
To leach out means to pass water through a mass of solid causing the soluble parts of the solid to pass into solution. (For instance, heavy rain can leach nitrates out of soil). Thus a leachate would be the water and its dissolved solids after it has passed through the solid.
How would you show that sea water contains more dissolved solid than rainwater does?
it contains dissolved water 'salt'
What is the difference between total dissolved solids and total suspended solids?
total dissolved solids is how much of the solid is dissolved in the liquid, while suspended total suspended solids is the amount of the solid floating in the liquid. e.g. if you had a solution with both and you filtered the solution then evaporated out the liquid, the solids that you filtered out would be the suspended solids, and the the solids remaining after evaporating the liquid out would be the disolved solids.
Carbon dioxide forms a weak acid called carbonic acid when dissolved in water How can this be a significant factor in the formation of acid rain?
Carbon dioxide in the atmosphere is dissolved in water, making natural rainwater slightly acidic, so when other gases such as sulphur dioxide are dissolved in rainwater, it becomes more acidic than it would be if it didn't contain carbonic acid.
Why would tap water river water mineral water etc contain dissolved solids?
Because H2O is subjected to impurities manifested anywhere along its traveling route whether it's man made or otherwise.
Would you expect salt in rainwater?
Rains near salted body of water can contain some salt.
Can tears freeze?
Yes they can. Away from the body they would freeze at a little below zero degrees Celsius, as they contain dissolved solids. On the face the situation is complicated by the fact that the body generates heat so the tears may not be as cold as the surroundings.
Relation of Salinity and Total Dissolved Solids?
Density depends on salinity to tell how dense something is so if you had a cup of salty water and a cup of not salty water, then the salty water would be denser than the cup of not salty water.
How would I test water for salt and have the result in parts per million?
use a tds total dissolved solids meter. this will give you the salts ppm
How do you prepare rainwater to distilled water?
If you want to make distilled water from rainwater, you would perform distillation on the rainwater.
Where is the best water in the world found?
I don't know but drinking water from springs is better. Spring is OK, however the best water to drink would be water that is pH balanced. Have you seen the labels of bottled spring water? Most of them say they have so many "dissolved solids" in them. The less, the better. Dissolved solids are the stuff that couldn't get filtered out of it. The Problem they don't tell you what those dissolved solids are. It could be anything. The best water to drink I think is ionized alkaline water that's filtered.
Which specific type of rock would weather the fastest?
Sedimentary rocks would weather the fastest, especially ones like limestone, because it's made mostly from calcium carbonate, which is easily dissolved by the slightly acidic rainwater.
Does a lake or a river contain more dissolved oxygen?
the river would contain more dissolved oxygen because the water movements cause more oxygen to be produced...try looking at lab bench..it's like a prelab but it helps with the basic information
