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because cold water molecules move slower at colder temperature.

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13y ago
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1mo ago

Salt takes longer to dissolve in cold water because the kinetic energy of the water molecules is lower at colder temperatures. This means there is less energy to break the ionic bonds holding the salt together, slowing down the dissolution process.

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Q: Why does salt take longer to melt in cold water?
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Does ice melt in cold freshwater or cold saltwater?

It depends on the temperature of the water. If the fresh water is warmer, then it will melt quickest in the fresh water. If the saltwater is warmer, then it will melt quickest in the saltwater. If the water is frozen (regardless of saltwater or freshwater), the ice won't melt at all.


Does the amount of salt in 16 oz water affect the freezing?

Yes, the amount of salt in water affects its freezing point. Adding salt to water will lower the freezing point, making it harder for the water to freeze. This is why salt is commonly used to melt ice on roads in cold weather.


Which ice cube will melt faster one made of salt and water another made of sugar and water or one made from just water?

The ice cube made of salt and water will melt faster than the one made of sugar and water, which in turn will melt faster than the one made from just water. Salt and sugar lower the freezing point of water, which causes the ice to melt faster.


Why does the epsom salt melt the ice the slowest?

Epsom salt melts ice slowly because it has a lower freezing point compared to regular water, meaning it needs to be even colder to freeze. As a result, it takes longer for the ice to melt as the epsom salt absorbs heat from its surroundings to raise its temperature enough to melt the ice.


Why in cold countries people sprinkle salt on snow?

Salt lowers the melting/freezing temperature of water, thus causing ice and snow to melt. However in places where it is VERY COLD the salt cannot lower the melting/freezing temperature enough to cause it to melt, so sand is used instead as it improves traction, even with the ice and snow still there.

Related questions

Does salt melt on cold mornings?

Salt doesnt melt, it is absorbed, and as for melting on cold mornings.... name something that does melt on a cold morning.----Salt will cause water ice to soften and melt unless the temperature is very cold (much colder than you're ever likely to see this side of the arctic circle). the salt itself doesn't melt; it converts the ice around it to water and dissolves in that water, allowing it to spread out and melt more ice.


Why is salt used to melt ice in the winter?

because salt lowers both the melting and boiling point of water. if it is raised, then it will melt because it is no longer cold enough to freeze the water Salt doesnt melt ice; it lowers the freezing point of already molten water preventing it to refreeze and presence of water with lower F.P. means this salt water can lose more heat to ice before freezing thereby melting more ice which turns salty as soon as it melts and the process continues.


Do salt water ice cubes take longer to melt than fresh water ice cubes?

Yes, salt water ice cubes melt more slowly than fresh water ice cubes because the addition of salt lowers the freezing point of water, requiring more energy to melt. This makes the salt water ice cubes colder and more resistant to melting.


How can the salt melt the ice even when the salt is cold?

Salt lowers the freezing point of water by disrupting the formation of ice crystals. When salt is added to ice, it mixes with the thin layer of liquid water on the ice's surface, forming a saltwater solution. This solution has a lower freezing point than pure water, causing the ice to melt even though the salt itself is cold.


If ice were to put ice into both salt water and fresh water then which water could come cold faster?

Yes it will melt faster because salt lowe the freezing


What happens to salt when it is put into cold water and stirred?

When salt is added to cold water and stirred, the salt crystals dissolve in the water. This process is known as dissolution, where the salt molecules break apart from the crystal structure and mix evenly with the water molecules. It may take longer for salt to dissolve in cold water compared to hot water due to the lower kinetic energy of the molecules.


Does ice melt in cold freshwater or cold saltwater?

It depends on the temperature of the water. If the fresh water is warmer, then it will melt quickest in the fresh water. If the saltwater is warmer, then it will melt quickest in the saltwater. If the water is frozen (regardless of saltwater or freshwater), the ice won't melt at all.


Why does fresh water melt faster than salt water?

Fresh water melts faster than salt water because salt water has a lower freezing point due to the presence of dissolved salts. The salt in the water lowers the freezing point, making it harder for the salt water to reach the temperature required for freezing compared to fresh water.


Why does salt cause snow to melt faster?

Salt increases the thermal energy of water to a point higher than the surrounding cold temperatures (below 32 degrees F), therefore causing it to melt.


Does salt water melt quicker than regular water?

Yes, salt water can melt ice quicker than regular water. This is because salt lowers the freezing point of water, which allows the ice to melt at a lower temperature.


Does baking soda dissolve faster in hot water or cold water?

It dissolves in both cold and warm.


Will add salt to ice water help keep soda cold?

Yes, it will keep the soda cold because the salt help the ice not to melt. Don't believe me check it yourself. Get an ice cube put a little salt on it and it doest melt. Or get an ice cube put some salt on it and then get a string put on top and IT WILL STICK!!!!!!!