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What is organic material?
It is dissolved salts, gases, and nutrients that are presented in seawater.
What is in the Ocean water?
Seawater is a mixture of various salts and water. Only six elements and compounds comprise about 99% of sea salts: chlorine, sodium, sulfur, magnesium, calcium and potassium. The relative abundance of the major salts in seawater is constant regardless of the ocean. Only the amount of water in the mixture varies because of differences between ocean basins because of regional differences in freshwater loss (evaporation) and gain (runoff and precipitation). The chlorine ion makes up 55% of the salt in seawater.
Which of the following is not a mixture a. pure water b. seawater c. air d. brass?
Answer a. Pure Water is not a mixture - it is a compound. Seawater is a mixture of water and salts, air is a mixture of gases and brass is a mixture (an alloy) of copper and zinc metals.
When seawater evaporates the concentration of salts increases until what occurs?
The concentration of salts in a solution can increase to the point of saturation. If heated, saturated solutions may become supersaturated by the addition of more salts. When cooled, crystallization of the salts in the solution may occur.
Why would seawater be a better conductor of electricity than river water?
Water is actually a weak insulator and does not transmit current well unless it has ions in it, like saltwater does. Seaweeds are limited in their abilities to conduct electricity per se, but as they come from saltwater, the salts still present on their "leaves" conduct relatively well.
What process does not add salt to seawater?
Precipitation, land water runoff and the melting of icebergs do not add salts to seawater.
Which term is defined as the removal of salts and minerals from seawater?
Desalination. Desalination is the process of removing salts and minerals from seawater to make it suitable for consumption or agricultural use.
What salts do volcanoes add to seawater?
For example chlorine from submarine volcanoes, to form sodium chloride.
How do dissolved salts enter seawater?
Dissolved salts are transported by the rivers.
How is magnesium obtained from seawater?
When fresh water is removed from ocean water, the salts that are left behind are also a valuable resource. Over half of the world's supply of magnesium, a strong, light metal, is obtained from seawater in this way.
What percent of all seawater is minor organic salts?
Minor organic salts make up less than 1% of the composition of seawater.
How do salts get removed from the seawater?
Salts are removed from seawater through a process called desalination. This can be done through various methods such as distillation, reverse osmosis, or electrodialysis. These methods help separate the salts from the water, resulting in fresh water that is suitable for consumption.
Is seawater hypertonic isotonic or hypotonic to drinking water?
Seawater is hypertonic to drinking water. This means that seawater has a higher concentration of solutes (such as salts) compared to drinking water. Drinking seawater can lead to dehydration as the body would need to excrete more water to get rid of the excess salts.
Why Seawater is typically denser than freshwater?
Seawater is denser than freshwater because it contains dissolved salts and minerals, such as sodium and chloride, which add weight to the water molecules. These dissolved substances increase the overall mass of seawater and make it denser than freshwater.
What is desalinate?
Desalinization is the process of taking seawater and taking out all the salt in it so it's fit for human consumption.
What is the average salinity of seawater by weight?
The average salinity of seawater is about 35 grams of dissolved salts per kilogram of seawater, or 3.5% by weight.
If the average salinity of seawater is 29ppt how many grams of dissolved salts will 500g of seawater contain?
5 grams
