Salt makes ice colder because of freezing point depression. Water freezes at a lower temperature because salt acts as an impurity.Continue Reading
For water, which is in liquid form to become ice or solid, energy needs to be removed from the water. Water molecules need to create bonds for becoming solid. The presence of salt or impurity makes it more difficult for bonds to form, resulting in a lower freezing point. Pure water freezes at 32 degrees Fahrenheit. The addition of salt makes water freeze at a lower temperature.
The science of salt making ice colder is applied in making ice cream. This science is also evidenced in sea water freezing, which is affected by salinity.Learn more about Chemistry
A few examples of Charles' law involve the shrinking of a ball when it is introduced to a colder environment and the swelling of an inner tube in bright sunlight. Another example of Charles' law is a turkey syringe thermometer popping when a turkey has finished cooking.Full Answer >
Salt is a compound, not an element. Table salt, for example, is sodium chloride, a chemical compound with the formula NaCl. It is made from two elements: sodium, or Na, and chlorine, or Cl.Full Answer >
Salt crystals are formed when sodium and chlorine bond together via a shared electron and these sodium and chlorine molecules bond with other sodium and chlorine molecules. Water dissolves the connection between the sodium and chlorine atoms, but when the water evaporates, the connection can re-establish itself.Full Answer >
Salt does not directly affect the evaporation of water. However, the evaporation habits, temperatures and movement of certain areas of saltwater bodies can affect the salinity, or salt level, of those bodies of water, resulting in changes in evaporation and precipitation. Higher levels of evaporation and lower levels of precipitation result in higher concentrations of salt in bodies of water, while lower levels of evaporation and higher levels of precipitation result in lower concentrations of salt in bodies of water.Full Answer >