This paper will give you a background on freezing point and salt. Like what is freezing point and what does this affects. Also what would happen if you put salt in ice water if there is a effect to the ice and water. This paper will give background about basic chemistry of salt. Also it will give you some background on ice cream. How ice could effect ice cream. Water has the freezing point of 0 degrees Celsius. If you put a ice cube in water the rate of freezing and melting aren't changing. If you add something to that mixture of ice and water the item will disrupt the rates of freezing and melting. The salt would be replacing water molecules to the substance and that effects the rate of freezing so that melting would be faster. Adding more
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There is a way to calculating freezing point but it is complicated to my knowledge. If you would like to see the formula click on this web link.(http://en.m.wikipedia.org/wiki/Freezing-point_depression). It was discovered by Charles Brian Blagden. He was a British physician and served in the army as a medic or medical officer. Water will freeze at 0 degrees Celsius (32 degrees Fahrenheit). Freezing will occur at a lower rate sometimes because there is less molecules. That is why melting would be faster than freezing. If you want to lower freezing point or create freezing point depression you would just add more particles to the mixture. In the real world this would be helpful if you live in a area where the roads could freeze because the salt would take up space for melting so the rate of freezing is changed. The formula to changing Celsius to Fahrenheit is °C x 9/5 + 32 = °F(°F - 32) x 5/9 = °C Adding salt could make temperatures drop to icy things. It would make it melt faster. Water freezes slower because the water molecules reach the surface if the ice. Melting rate does is not changed by salt. This is how people back then would create ice cream by using somewhat complex chemistry if you think it out more. Salt was processed 6000 years
There is a way to calculating freezing point but it is complicated to my knowledge. If you would like to see the formula click on this web link.(http://en.m.wikipedia.org/wiki/Freezing-point_depression). It was discovered by Charles Brian Blagden. He was a British physician and served in the army as a medic or medical officer. Water will freeze at 0 degrees Celsius (32 degrees Fahrenheit). Freezing will occur at a lower rate sometimes because there is less molecules. That is why melting would be faster than freezing. If you want to lower freezing point or create freezing point depression you would just add more particles to the mixture. In the real world this would be helpful if you live in a area where the roads could freeze because the salt would take up space for melting so the rate of freezing is changed. The formula to changing Celsius to Fahrenheit is °C x 9/5 + 32 = °F(°F - 32) x 5/9 = °C Adding salt could make temperatures drop to icy things. It would make it melt faster. Water freezes slower because the water molecules reach the surface if the ice. Melting rate does is not changed by salt. This is how people back then would create ice cream by using somewhat complex chemistry if you think it out more. Salt was processed 6000 years