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Pure fresh water freezes at 0° C. Average for sea water is about -2° C.

In a solution of more extreme salinity, the freezing point might be depressed to as low as -30° C.

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12y ago

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Related Questions

Dose salt effect the freezing point of fresh water?

Of course not!!! If you added salt to fresh water, it wouldn't be fresh, anymore . . . gees.


Why does a test tube of fresh water freeze quickly in iced salt water?

The salt in the water lowers its freezing point, causing the water to become colder than 0 degrees Celsius. This rapid transfer of heat from the fresh water to the iced salt water speeds up the freezing process of the fresh water in the test tube.


Why is the freezing point for ocean water lower than fresh water?

Ocean water contains salt, which lowers its freezing point compared to fresh water. This is because salt disrupts the formation of ice crystals, requiring colder temperatures for freezing to occur in ocean water.


What is the freezing points of fresh water and salt water?

The freezing point of saltwater is lower than the freezing point of freshwater upto a specific ratio of salt & water. The freezing point goes below upto -11 C, but if you increase the salt content thereafter the freezing point will increase above 0 c. The sal and water mixture is usually termed as "Brine"


Is salt water colder than fresh water?

The freezing point of salted water is lower than the freezing point of pure water; this is a phenomenon known as freezing point depression when a solute exist in the solution.


Which type of water freezes first fresh or salt water?

Fresh water freezes at 0oC = 273 K Salt water freezes at about -4oC = 269K NB THere is a large body of chemistry dealing with cryoscopic constants; that is the depression of freezing point, between the pure substance and its dissolution . Similarly, there are also Ebullioscopic Constants dealing the with rising of boiling points between pure substances and solutions.


Why does fresh water melt faster than salt water?

Because of the salt in the water. You see, salt heightens the boiling point of water yet lowers the freezing point of water. So, naturally, something that takes longer to freeze would take longer to warm up, hence the fact that it takes longer to melt. Salt is a pretty amazing chemical/food. Hope this helps!


Why does sea water freezes faster than fresh water?

sea water doesnt freeze faster than fresh water, fresh water freezes faster than sea water as it has a lower freezing point than sea water has as sea water contains salt which makes the boiling/freezing points increase therefore making the sea water freeze at a lower temperature.


Frozen salt water melt faster then frozen fresh water?

Salt lowers the melting or freezing point of water. The effect is termed 'freezing point depression'. Therefore frozen salt water melts faster and remain melted for long.


Which water freezes faster salt water or fresh water and why?

Fresh water freezes at a higher temperature than salt water. This is because the presence of impurities in water lowers its freezing point.


Why does pond water freeze easier than salt water?

Saltwater has a much lower freezing point (the freezing point is the temperature where something freezes) than fresh water does. The more salt there is in water, the lower is the freezing point.


How does fresh water freezes faster than salt water?

Fresh water freezes faster than salt water because salt lowers the freezing point of water. When salt is dissolved in water, it disrupts the formation of ice crystals, requiring the salt water to become colder than fresh water in order to freeze. This phenomenon is known as the "freezing point depression."