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The salt reduces the number of water molecules from escaping the surface into the air. Thus, the water has to be at a higher temperature to be able to push the salt molecules aside and finally reach the surface and evaporate.

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17y ago

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Related Questions

How does impurities in water effect its boiling point?

Depending on what is in it, the boiling point will either rise or fall.


How can you increase the boiling point of water apex?

By increasing the air pressure above the water~ Apex :)


Why does it take the water longer to boil when it has salt in it?

When salt is added to water, it increases the boiling point of the water, requiring it to reach a higher temperature to boil. This is because the salt disrupts the formation of water vapor molecules, which slows down the boiling process.


What bubbles mean when water's boiling?

When water is boiling, the bubbles are formed by the water vaporizing into steam. As the water reaches its boiling point, it transitions from a liquid to a gas, creating bubbles that rise to the surface and release steam into the air.


What change in boiling water?

Boiling water changes liquid water into vapor or steam as it reaches its boiling point, which is 100°C (212°F) at sea level. Boiling water also breaks up water molecules, increasing its energy and creating bubbles that rise to the surface.


What does an increase in pressure on the surface of water do to the boiling point?

Increasing pressure on the surface of water raises the boiling point of water. This is because higher pressure traps more heat energy in the liquid, thus requiring a higher temperature to overcome the increased pressure and boil.


Why does the water not boil when you put a spoon inside a pot?

When you put a spoon in a pot of boiling water, the agitation caused by the spoon disrupts the formation of bubbles that are necessary for boiling to occur. Without these bubbles, the water temperature doesn't rise quickly enough to reach the boiling point, preventing it from boiling.


Does the temperature lower of boiling water when salt added?

No, if anything (including salt) is dissolved in a liquid (including water), the freezing point will become lower and the boiling point will rise. This phenomenon is part of a class of properties known as colligative properties of solutions.


What will rise from boiling water?

Water vapour, damp or gas


What temp do small bubbles start to show when boiling water g water?

Small bubbles start to form at around 160°F (70°C) in water as it begins to heat up and reach its boiling point of 212°F (100°C). These bubbles form at the bottom of the pot and rise to the surface as the water nears the boiling point.


Where do the bubbles in boiling water come from?

The bubbles in boiling water come from the water reaching its boiling point and evaporating into steam. As the water heats up, the molecules gain energy and move more quickly, eventually turning into gas and creating bubbles that rise to the surface.


Why doesn't the temperature of water continually increase as it heated?

Temperature doesn't give the whole picture when you talk about boiling. A more useful property to talk about is enthalpy. Enthalpy is the energy held by the water. Prior to the boiling point, enthalpy and temperature both rise linearly. At the boiling point, temperature stops rising, but enthalpy continues to rise until it becomes steam. If you were to continue adding energy to the steam, it's temperature would rise again. The amount of energy that must be added to water to get it from water just at the boiling point to steam is the latent heat of vaporization and is equal to the enthalpy rise discussed in the previous paragraph. The latent heat of vaporization and the temperature where boiling will occur are dependant on the pressure.