0
What else can I help you with?
When you put water in a pan what happens?
Water evaporates at any temperature. Some water molecules have enough energy to leave the surface of the liquid. As the temperature increases more and more molecules have enoughenergy to leave the surface of the liquid. At the boiling point all molecules have enough energy to evaporate. Bubbles of vapour form throughout the liquid (we see these bubbles as proof of boiling).
What is the difference between the process of boiling and evaporation of water?
Boiling is a greatly expedited form of evaporation. When you heat something to its boiling point, it has enough energy for its molecules to rapidly escape. Evaporation is a much slower action, generally. It is just molecules at the surface gaining enough energy to escape. Both evaporation and boiling are endothermic processes. They will cool what ever the molecules are escaping from.
What happens to particles of water when boiling?
Nothing happens to the water molecules themselves, except that they move faster. Boiling is a physical change, not a chemical one. All that happens is the weak attractive forces between different water molecules are broken and individual molecules are turned into a gas, which is steam.Upon boiling, the energy fueled to the water has reached the summit of latent heat capacity of water and is enough to overcome the molecular forces or polarity attractions between the water molecules. As the water molecules about 7 to 8 natural clumping together is broken apart, the water molecules exist in gas form and free into the atmosphere from the water. If the water is just merely heated but not reaching boiling point, what happened to the water is evaporation. Evaporation occurs on the surface of the water which contacts with the air. As the temperature of the water increases, the water molecules are vibrating vigorously, but not high enough to change into gas form and are suppressed by the pressure of the water above them layerly. However, the superficial water molecules have the least water pressure acting on them, hence they can flee into the air. This is evaporation.
How does the boiling point of a liquid at sea level compare to the boiling point of a liquid on top of a mountain?
A liquid boils when the molecules are going fast enough to create vapor pressure equal to the atmospheric pressure. The higher the temperature, the faster the molecules are moving. Temperature measures the average kinetic energy of the molecules. So when you heat water to make it boil, you are actually providing enough heat energy to be converted into kinetic energy, so the molecules are moving fast enough, to produce enough vapor pressure to push the air out of the way, so the water molecules can get out of the water and into the air. (What a run on sentence) So when you go up on top of a mountain where the air pressure is less, so it is easier for the water molecules go fast enough to produce enough water vapor pressure to push the air molecules out of the way. So the Boiling point for a liquid on top of a mountain is lower than for the same liquid at sea level. I wonder if any teachers besides me tell students that the air molecules above a pan of water are colliding with the water molecules in the pan, so the water molecules can not produce ……
What happens when liquid water molecule gain energy and escape?
evaporation, or boiling if the temp. is high enough
What happens when a liquid reaches its boiling point?
When a liquid reaches its boiling point, it absorbs enough heat energy to overcome the intermolecular forces holding its molecules together. This causes the liquid to change into its gaseous state, resulting in the formation of bubbles within the liquid as it vaporizes.
Where does the energy transfer occur in boiling water?
The energy transfer in boiling water occurs at the surface of the water where heat is transferred from the heat source to the water molecules. As the water absorbs enough heat energy, the molecules begin to move faster and eventually reach a point where they turn into steam and evaporate.
How does water evaporate without boiling?
Water can evaporate without boiling when it reaches a certain temperature called the "boiling point." This happens when the water molecules gain enough energy to break free from the liquid and turn into vapor. Evaporation can occur at any temperature, not just the boiling point, as long as there is enough heat energy present to allow the water molecules to escape into the air.
What rapidly changes to a gas when it absorbs enough energy to reach the boiling point?
Liquid does this.
What happens to a liquid when it releases enough energy 6 letters?
It can evaporate into a gas if it reaches its boiling point and enough energy is supplied to overcome the intermolecular forces holding the molecules together.
What do you call the process of changing a liquid to a gas?
The process of changing a liquid to a gas is called "vaporization" or "evaporation." This occurs when the liquid absorbs enough heat energy to overcome the intermolecular forces holding its molecules together, allowing them to move more freely and escape into the gas phase.
What is it called when something changes from a liquid to a gas?
When a substance changes from a liquid to a gas, it is called vaporization or evaporation. This process occurs when the substance absorbs enough energy to overcome the forces holding its molecules together in the liquid phase.
When you put water in a pan what happens?
Water evaporates at any temperature. Some water molecules have enough energy to leave the surface of the liquid. As the temperature increases more and more molecules have enoughenergy to leave the surface of the liquid. At the boiling point all molecules have enough energy to evaporate. Bubbles of vapour form throughout the liquid (we see these bubbles as proof of boiling).
What happens to the molecules that make up a sample of liquid water when the sample absorbs enough heat to reach the boiling point?
Those with the most kinetic energy have enough to thrash about so much that they push their neighbours away and make a hole in the liquid water we call a bubble. Other energetic molecules then burst into the hole and help to keep it from collapsing. If enough molecules burst in, the bubble is so big that it rises to the surface and bursts, releasing a cloud of steam into the air. The molecules most likely to be able to initiate this formation of bubbles are those at the very bottom of a saucepan where they are touching the hot metal with the fire underneath it. That is why the first bubbles which boil off come from the bottom of the can.
What is happening to water molecules while water is boiling?
During boiling, water molecules are gaining enough energy to overcome the attractive forces that hold them together. This allows the molecules to break free from the liquid phase and escape as vapor. The temperature at which this occurs is known as the boiling point.
What happens to water once its heated enough to reach its boiling point?
It evaporates
How does boiling from evaporation?
Evaporation is much slower than boiling, and it can happen at any temperature (above zero Kelvin) whereas boiling only happens at the boiling point. Evaporation happens when a liquid molecule has enough energy to escape from the surface of a liquid - this is why you can smell perfume and why puddles disappear in warm weather As these molecules build up above the surface of the liquid, there is a build up of pressure. This is called the saturated vapour pressure. When the overall temperature of the liquid is high enough, the saturated vapour pressure increases until it is equal to atmospheric pressure - this is called the boiling point.
