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When matter melts (changes from a solid to a liquid state), its molecules move faster, meaning they are gaining energy.
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∙ 7y ago
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Does melting lose or gain energy?
Melting gains energy because it requires heat energy to break the intermolecular forces holding together the solid molecules. This energy is needed to overcome the attraction between the molecules and allow them to move more freely as a liquid.
Do molecules gain or lose energy from evaporation?
Molecules lose energy when they evaporate. In order to escape into the gas phase, molecules must overcome intermolecular forces, which requires energy. This energy is taken from the surrounding environment, causing the remaining molecules to have lower average kinetic energy and, therefore, lower temperature.
Does boil water gain or lose energy?
Boiling water gains energy in the form of heat in order to reach its boiling point and change from a liquid to a gas. Once it has reached its boiling point, the energy input is used to overcome the intermolecular forces holding the water molecules together.
Does steam gain or lose energy when it condenses to form water?
When steam condenses to form water, it releases energy in the form of heat to the surroundings. This energy is needed to break the intermolecular forces that hold the water molecules together as steam.
How do particles change during a change of state?
During a change of state, such as melting or boiling, the particles in a substance rearrange their positions and gain or lose energy to move from one state to another. For example, in melting, solid particles gain enough energy to break their fixed positions and move more freely, turning into a liquid. Conversely, in boiling, liquid particles gain enough energy to break free from each other and turn into a gas.
When a solid melts do its particles gain or lose heat energy?
A material must gain energy both before and during melting.
Does melting lose or gain energy?
Melting gains energy because it requires heat energy to break the intermolecular forces holding together the solid molecules. This energy is needed to overcome the attraction between the molecules and allow them to move more freely as a liquid.
Do molecules gain or lose energy from evaporation?
Molecules lose energy when they evaporate. In order to escape into the gas phase, molecules must overcome intermolecular forces, which requires energy. This energy is taken from the surrounding environment, causing the remaining molecules to have lower average kinetic energy and, therefore, lower temperature.
When water goes through condensation do the molecules gain or lose energy?
When water gains energy the water molecules turn into vapor also known as Evaporation.
When compounds gain electrons they lose or gain energy?
Lose
What happens when you heat or cool molecules?
When you heat molecules, they gain energy and move faster, increasing their kinetic energy. This can lead to changes in their physical state (e.g. melting, boiling). When you cool molecules, they lose energy and move slower, decreasing their kinetic energy, which can cause them to change state (e.g. freezing).
When do most substances lose or gain energy?
Most substances lose or gain energy when their temperature changes.
Does boil water gain or lose energy?
Boiling water gains energy in the form of heat in order to reach its boiling point and change from a liquid to a gas. Once it has reached its boiling point, the energy input is used to overcome the intermolecular forces holding the water molecules together.
How atoms and molecules can gain or lose energy in discrete amount?
The enrgy is always lost or gained in only the definite amount that is called as discrete or packet energy.
When do atoms or molecules become more ordered?
Atoms or molecules become more ordered when they move from a higher energy state to a lower energy state, such as during a phase change from a gas to a liquid or a liquid to a solid. This process typically involves a decrease in entropy, leading to increased order and structure in the system.
How does adding or removing energy affect the movement of atoms and molecules?
Adding energy increases the movement of atoms and molecules as they gain kinetic energy and move more rapidly. Removing energy has the opposite effect, slowing down the movement of atoms and molecules as they lose kinetic energy and move more slowly.
Does steam gain or lose energy when it condenses to form water?
When steam condenses to form water, it releases energy in the form of heat to the surroundings. This energy is needed to break the intermolecular forces that hold the water molecules together as steam.
