WHY DOES SALT MAKE ICE COLDER? LEARN THIS AMAZING PHENOMINA WITH THE HELP OF A SIMPLE EXPERIMENT.

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[learnwithsheharyar]

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[CharlieUlivarri]

So this explains why salt makes water freeze at a lower temperature, but not why already frozen ice gets colder.

[richardbayly]

The salt DOES NOT make the ice colder, it makes the water colder! Salt lowers the freezing/melting temperature of the surrounding (now briny) melt water. The remaining ice, likely at -18C from a domestic freezer, melts and cools the salty water to around -8C without it freezing. In the unsalted ice jar the fresh water ice melts to water at 0C as heat is absorbed through the glass.

[DaveMody]

You explained that salt makes the freezing point lower, what you didn’t do is explain how something can start at 0 C and drop to -12C all while sitting at room temperature and absorbing heat. Sorry, but your video does not explain the process at all.

[JonDaye]

Fully saturated saltwater can reach close to -6f without freezing. Most freezers should be around 0f and therefore the ice will be as well. One might think since the brine is colder than 32f that it would slow or keep the ice from melting; however, the salt itself interferes with the crystal formations and actually accelerates it. The increased melting absorbs a lot of latent heat in a short amount of time, a long with a lower freezing point gives you these low temperatures.

[bjornsahonas]

Now i know why the ocean doesnt freeze completely

[jedunboxing]

Why they put salt to snowy roads to melt snow, but they also put salt in ice to make ice cream?

[amauta]

I still don’t get it.

The ice is getting colder because it’s some sort of endothermic reaction.

[Memorialfishman]

Salt does not make ice colder. The ice is actually getting warmer. Because the liquid water is transferring its heat to the ice. Your thermometer is not measuring the temperature of the ice (which comes out of your freezer around -18 C), it's measuring a thin layer of water that has condensed on the ice and cooled down to 0 C. Later, it is measuring water that is continuing to transfer its heat to the ice - thermodynamics wants the -18 C degree ice to get closer in temp to the 0 C water and the 0 C water to get closer in temp to the -18 C ice until they achieve equilibrium somewhere in the middle. Liquid water is an efficient heat transfer medium, and salt allows water to remain a liquid and keep giving away its heat down to much lower temperatures than unsalted water can.

[ahivanimeena]

If salt makes the freezing of water difficult
Then why nacl used for clear or melt the snow from roads...??
Sir plz give me the answer

[charlesmorales]

Thank you for this video! Somebody needed to do it 🍻

[prucile]

Wow..I just knew it.
Amazing, how salt decrease up to 12 degree C!