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Energy put into a liquid will raise the temperature of the liquid until the liquid begins to transition to the gaseous phase of matter. At this point, the added energy is used to propel the molecules to sufficient internal energy to escape the attractive force and gravity that combine to keep the liquid a liquid.
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What happens when liquid water molecule gain energy and escape?
evaporation, or boiling if the temp. is high enough
What happens to the boiling point of a liquid solvent when a solid or liquid is dissolved in that liquid?
The boiling point is usually increased.
Why does the temp stay the same when boiling and melting?
The temperature stays the same during boiling and melting because the heat energy is being used to break intermolecular forces rather than raise the temperature. During boiling, this energy is used to convert the liquid into vapor, while during melting, it is used to convert the solid into a liquid.
What is the process for converting a liquid to a gas?
The liquid must absorb heat energy to reach its boiling point, at which it changes into a gas. This process is known as vaporization or boiling. The energy absorbed during this phase change breaks the intermolecular forces holding the liquid together, allowing the particles to move freely as a gas.
What happens to energy when a substance is melted or boiled Is this endothermic or exothermic?
When a substance is melted or boiled, energy is absorbed from the surroundings, which is characteristic of an endothermic process. In melting, the energy breaks the bonds between particles, allowing them to move more freely as a liquid. Similarly, during boiling, energy further breaks the intermolecular forces, transforming the liquid into a gas. Thus, both melting and boiling require energy input, making them endothermic reactions.
How does he amount of energy change during boiling?
During boiling, the amount of energy remains constant as the temperature of the substance stays the same until all of it has converted into vapor. Once boiling starts, the added heat energy is used to break the intermolecular bonds holding the liquid together, rather than increasing the temperature.
What happens when liquid water molecule gain energy and escape?
evaporation, or boiling if the temp. is high enough
Is heat energy being added or removed during boiling?
Heat energy is being added during boiling to change the liquid into vapor. This added heat energy causes the molecules in the liquid to overcome the intermolecular forces holding them together, leading to the phase change.
Why does the temp stay the same when boiling and melting?
The temperature stays the same during boiling and melting because the heat energy is being used to break intermolecular forces rather than raise the temperature. During boiling, this energy is used to convert the liquid into vapor, while during melting, it is used to convert the solid into a liquid.
What happens to the boiling point of a liquid solvent when a solid or liquid is dissolved in that liquid?
The boiling point is usually increased.
What happens to a liquid when you releases enough energy?
When enough energy is released into a liquid, it can undergo a phase change and turn into a gas through the process of evaporation or boiling. This occurs when the liquid's temperature reaches its boiling point and the kinetic energy of the molecules overcomes the intermolecular forces holding them together in the liquid phase.
Vaporization is the conversion of a liquid to a gas or vapor when the liquid is its boiling point?
That's correct! Vaporization occurs when the molecules of a liquid gain enough energy to enter the gas phase, leading to the conversion of the liquid into a gas or vapor. This process typically happens at the boiling point of the liquid.
What are 2 processes for which thermal energy is required during boiling?
convection and radiation
What is the process for converting a liquid to a gas?
The liquid must absorb heat energy to reach its boiling point, at which it changes into a gas. This process is known as vaporization or boiling. The energy absorbed during this phase change breaks the intermolecular forces holding the liquid together, allowing the particles to move freely as a gas.
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.
Which boils quicker liquid with high boiling point or liquid with low boiling point?
A liquid with a lower boiling point will boil quicker because it requires less energy to reach its boiling point compared to a liquid with a higher boiling point.
Why is boiling a faster process compared to evaporation?
Boiling occurs at a higher temperature and involves the entire liquid reaching its boiling point, whereas evaporation happens at the surface of the liquid. Boiling provides more energy to break the intermolecular forces holding the liquid molecules together, leading to a faster transition to the gas phase compared to evaporation.
