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The minimum practical application range for salt is a pavement temperature of 15-20 degrees F and above. While salt will melt snow and ice down to a pavement temperature of -6 degrees F, it can melt over five times as much ice at 30 degrees F as at 20 degrees F. Thus the effectiveness of salt is sensitive to small differences in pavement temperature.

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โˆ™ 2014-01-08 18:40:55
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Q: At what temperature does salt become ineffective in melting snow and ice?
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Why does salt become ineffective at melting snow at certain temperatures?

Rock salt or regular sodium chloride loses its effectiveness for melting ice at about 5 degrees below zero F. This occurs because the freezing is more rapid than the melting ability. It is still melting but it cannot keep up with refreezing.

What temperature does salt freeze?

It depends on which salt you are talking about. Table salt has a melting/freezing temperature of 801oC, for example.

What conclusions can you draw about the melting points of acetone and table salt if table salt is a solid at room temperature and acetone is a liquid at room temperature?

The melting point oof salt is far higher then the melting point of acetone.

Why if you left an ice cube and salt at the sun the ice cube melts and the salt doesnt?

Because the melting temperature of the ice is 32°F and the melting temperature of the salt is 1,474°F.

Why Does salt help keep ice cube from melting?

It helps because the temperature of the salt can stop the ice cream from melting

The melting point of sodium bromide a salt is 755c Calculate this temperature in and in f kelvins?

The melting point of sodium bromide (a salt) is 755 . Calculate this temperature in and in kelvins.

What does the salt do to the melting point of water?

Salt lowers the melting point of water. The water will have to be at a colder temperature to freeze since the salt inhibits the waters ability to form ice crystals at the normal freezing temperature.

What is truffle salt melting temperature?

The melting point of sodium chloride is 801 0C; at this temperature truffles and other organic addtives are burned.

Why does salt melts ice faster?

it lowers ice's melting temperature

What happens to the temperature of the ice when salt is added?

The melting point will drop.

What effect does rock salt have on ice?

It lowers the melting temperature of ice

What are 5 liquids that do not have water?

-- pure alcohol at room temperature -- mercury at room temperature -- oxygen below its boiling temperature -- iron above its melting temperature -- nitrogen below its boiling temperature -- salt above its melting temperature -- gold above its melting temperature -- any other element or compound that is not H2O, above its melting temperature and below its boiling temperature

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