What happens to a volume of water when it is boiled for 15 minutes?

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Once pure water is heated beyond boiling point, it starts to convert into water vapour and evaporate. If 100 ml of pure water is boiled for 15 minutes after it reached boiling point, some amount of water will evaporate, and the level of water in the container will go down.

What happens to the volume of water when it is boiled?

An increase in temperature caused the water molecules to gain energy and move more rapidly, which resulted in water molecules that are farther apart and an increase in water volume. … When water is heated, it expands, or increases in volume. When water increases in volume, it becomes less dense.

What will happen to the amount of water when left boiling after 10 minutes?

Answer: Boiling is the procedure by which a fluid transforms into gas when it is warmed to its breaking point. … If water is boiled its kinetic energy increases and evaporation starts. After 10 minutes of boiling, maximum water is evaporated.

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Does the volume of water affect the time it takes to boil?

The larger the volume the longer the time to boil. … The larger the volume, the more atoms you need to heat. * Q.

What does boiling water for 10 minutes do?

“Because enteric pathogens are killed within seconds by boiling water and are killed rapidly at temperatures >60°C [or >140°F], the traditional advice to boil water for 10 min to ensure potability is excessive.

Why does water get less after boiling?

You may have noticed that if you put a pot of water on the stove to boil and forget about it, when you come back later, less water is left in the pot as much of the water will have evaporated. Steam is a specific kind of vapor that is only produced through boiling. And when steam is created, it also expands.

When boiling water Why does the level of liquid decrease?

when you boil water, you convert it into water vapor, which leaves the pot and mixes with the atmosphere. If you boil the pot long enough, eventually all the water in it is converted to vapor and leaves. the pot is then empty.

What happens after boiling water?

When boiling occurs, the more energetic molecules change to a gas, spread out, and form bubbles. These rise to the surface and enter the atmosphere. It requires energy to change from a liquid to a gas (see enthalpy of vaporization). In addition, gas molecules leaving the liquid remove thermal energy from the liquid.

Where did the water go after boiling?

When water is boiled, the heat energy is transferred to the molecules of water, which begin to move more quickly. Eventually, the molecules have too much energy to stay connected as a liquid. When this occurs, they form gaseous molecules of water vapor, which float to the surface as bubbles and travel into the air.

Why does boiling water evaporate in cold air?

Cold air is very dense, which makes its capacity to hold water vapor molecules very low. Therefore, when hot water is thrown into extremely cold air, the smallest droplets are able to cool and evaporate in a dramatic cloud before they reach the ground.

Why does boiling water take so long?

Compared to air or land, water is a slow conductor of heat. That means it needs to gain more energy than a comparable amount of air or land to increase its temperature. … That means that, once heated, a body of water will hold onto that heat for a much longer period of time than either air or land.

How long does it take for water to evaporate when boiling?

It takes 5 minutes to reach the boiling point if we boil water. It will take another 20 minutes or so before the water has completely evaporated, which is good, because it gives us time to save our kettle.