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When does salt work, and when does it not? - ClickOnDetroit


Jan 13, 2015 ... Take a look at the chart, you can see that at a temperature of 30 degrees, one pound of salt will melt 46 pounds of ice. As the temperature drops ...

How Salt Melts Ice - AccuWeather


Nov 4, 2013 ... For example, the lowest temperature that salt can melt ice is 15 degrees, ... Profanity, personal attacks, and spam will not be tolerated.

Using Salt and Sand for Winter Road Maintenance - US Roads


The ice will not melt or melted snow may refreeze and waste the chemical. ... At temperatures above 20o F both salt and calcium chloride can melt ice in a ...

Why do they use salt to melt ice on the road in the winter ...


Ice forms when the temperature of water reaches 32 degrees Fahrenheit (0 ... On a roadway, this means that if you sprinkle salt on the ice, you can melt it.

Dear Tom, At what temperature does salt become... - tribunedigital ...


Nov 8, 2001 ... Dear Tom,At what temperature does salt become ineffective in melting ice and snow on the roads?Nick Ulm, Monticello, Ind.Dear Nick,Salt has ...

solutions - Why does ice water get colder when salt is added ...


Aug 2, 2013 ... What is occurring when salt melts the ice to make the temperature lower? ... The energy that is required to melt an ice cube will not contribute in ...

Temperatures too cold for salt, making roads slick - Toronto ...


Jan 3, 2014 ... ABOVE: Black ice is believed to be responsible for a 10-car pileup on ... “Salt loses its effectiveness when then ambient temperature is -13 to -15 C,” said Moreno. ... we still continue to use rock salt; not so much as a melting product, but ... look, motorists should be reminded to drive with caution and always .....

Adding Salt to Ice in a Cooler | stuffexplained


Aug 6, 2012 ... Note that the temperature of the water has not changed. ... The salt will make the ice melt as well but the resulting water will still be very cold.

General Chemistry Online: FAQ: Solutions: Why does salt melt ice?


Molecules on the surface of the ice escape into the water (melting), and ... You can see a demonstration of this by clicking on the temperature in the ... separate NaCl·2H2O crystals and ice crystals, not a homogeneous mixture of salt and water.

Salt and Ice - Elementary Science Program


... to access has not been designed for Internet Explorer 6.0 or lower, and will not ... In our part of the world, temperatures are low enough in winter for snow and ice to form. This can make driving and walking dangerous as roads and sidewalks ... Which ice cube melts faster, the one with the salt or the one without the salt?