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What are the 2 process that add salt to seawater?
The two processes that add salt to seawater are the chemical weathering of rocks on land, which release minerals into rivers that eventually flow into the ocean, and the evaporation of water from the ocean surface, leaving behind salt in the form of halite (table salt).
What is produced in dissolved seawater when the two most abundant elements are combined?
When the two most abundant elements in seawater, sodium and chloride ions, combine, they form sodium chloride salt (NaCl), which is commonly known as table salt. This compound makes up the majority of the dissolved solids in seawater.
What are the two main factors that influence seawater density?
Temperature and salinity are the two main factors that influence seawater density. Colder water and higher salt content both contribute to increased density.
What is rock salt made from the evaporation of seawater?
Chemical sedimentary rock is created by precipitation of minerals out of, or evaporation from, saturated solutions that are high in dissolved minerals. Rock gypsum and rock salt are two examples.
What are two ways that oxygen enters seawater?
Oxygen enters seawater through diffusion from the atmosphere at the water's surface and through photosynthesis carried out by marine plants and phytoplankton.
What are two different ways to make salt?
Salt can be produced through evaporation, where seawater is collected in shallow ponds and allowed to evaporate under sunlight, leaving salt crystals behind. Another method is through mining, where rock salt, a naturally occurring mineral form of sodium chloride, is extracted from underground deposits using conventional mining techniques.
How is salt removed from seawater?
Salt is removed from seawater through a process called desalination. There are two common methods: distillation, where the water is heated to create steam that is then condensed into fresh water, and reverse osmosis, where pressure is used to force seawater through a membrane that only allows water molecules to pass through, leaving the salt behind.
What are two ways of obtaining salt in the Sahara?
Two ways of obtaining salt in the Sahara are through salt mining in salt mines, such as the Teghaza mines in Mali, and through extracting salt from salt flats or panes, where brine is evaporated to leave behind salt deposits.
Name two ways salt is obained?
from the sea and at the store
Where does regular salt come from?
Regular salt, primarily sodium chloride, is commonly sourced from two main places: salt mines and seawater. Salt mines contain deposits formed from the evaporation of ancient bodies of water, while seawater is evaporated in large ponds to extract salt. Both methods yield the same chemical compound, but their processing and purity levels can vary. Additionally, rock salt and sea salt are popular forms derived from these sources, each with distinct flavors and uses.
Seawater a compound or mixture?
Seawater is a mixture because it consists of various substances combined physically, such as water, salt, minerals, and other organic materials. Each component retains its own properties and can be separated through physical methods like evaporation or distillation.
What are two ways humans use ionic compounds?
salt and sunscreen
