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How Does Salt Water Change The Time Of Water To Boil?

599 Words3 Pages

his report describes an experiment that tests if there are any changes to the time it takes water to boil when salt is added to the water compared to ordinary tap water. This test will track the time it takes water to boil with or without salt.
Variables:
Boiling is the action of brining a liquid to the temperature at which it bubbles and turns into vapor. Water’s boiling point is 212 degrees Fahrenheit. In this experiment. This was my experimental variable. The amount of time to take the solution to boil was considered as my response variable. The controlled variables were the pot, the stove setting, and the volume of water.

Literature Review
According to the department of physics at the University of Illinois at Urbana-Champaign, salt dissolves easily in water. After conducting an experiment, they found out that a lot of energy is required to turn that salt water into gas form when heated. At water's normal boiling point, salt water will remain liquid. Pressure comes from the salt solution and not the water. Water will boil when …show more content…

Anne Marie Helmenstine wrote that adding salt to water elevates its boiling point. Temperatures need to be increased by a half degree per every 58 grams of salt per kilogram of water. She calls this boiling point elevation. She noted that when water boils, the molecules are allowed to overcome vapor pressure from the surrounding air and moves from the liquid to the gas stage. Different processes occur when adding salt to the water. When salt is added to water, sodium chloride turns into sodium and chlorine ions. Charged particles change when heated as well. Each water molecule has one side that is more negativity charges and the other is more positive. The salt makes the positive sodium ions align with the oxygen ions while negative chlorine ions align with the hydrogen side. This interaction is stronger and increased the amount of energy needed to move the water away from the ions to create the vapor stage (Helmenstine,

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