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When a substance absorbs energy, its internal energy increases, which can lead to a rise in temperature, a change in phase (e.g., from solid to liquid), or chemical reactions. Absorbing energy typically causes the substance's particles to move more quickly or rearrange themselves in a way that stores the additional energy.
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When a substance loses or absorbs energy its temperature can change true or false?
True. When a substance loses energy, its temperature can decrease, while when it absorbs energy, its temperature can increase. This is because energy is transferred as heat, which can lead to changes in temperature.
Does the substance become cooler when it absorbs thermal energy?
No, the substance absorbs thermal energy and its temperature increases, not decreases. Cooling occurs when the substance releases thermal energy.
Does freezing absorbs heat energy?
Yes, freezing involves removing heat energy from a substance, causing it to lower in temperature and eventually solidify. This process absorbs heat energy from the substance itself and its surroundings.
What happens when a substance absorbs light?
When a substance absorbs light, the photons of light transfer energy to the substance's atoms or molecules. This can lead to an increase in the internal energy of the substance, causing changes such as heating, chemical reactions, or transitions between energy levels. The absorbed light can also excite electrons to higher energy levels or create new electron-hole pairs in semiconductors.
What process absorbs latent heat energy?
The process of changing a substance from one phase to another, such as melting, vaporizing, or sublimation, absorbs latent heat energy. This heat energy is used to break intermolecular bonds within the substance's structure, allowing the particles to move more freely.
When a substance loses or absorbs energy its temperature can change true or false?
True. When a substance loses energy, its temperature can decrease, while when it absorbs energy, its temperature can increase. This is because energy is transferred as heat, which can lead to changes in temperature.
Which may be true for a substance that absorbs energy?
The energy decreases the molecular motion and the kinetic energy of the substance.
Does the substance become cooler when it absorbs thermal energy?
No, the substance absorbs thermal energy and its temperature increases, not decreases. Cooling occurs when the substance releases thermal energy.
Is energy released during melting?
No. When a substance melts it absorbs energy.
Which substance in plants absorbs energy in the photosystems?
Chlorophyll
Does freezing absorbs heat energy?
Yes, freezing involves removing heat energy from a substance, causing it to lower in temperature and eventually solidify. This process absorbs heat energy from the substance itself and its surroundings.
Which substance in a chloroplast is a green pigment that absorbs energy for photosynthesis?
The green pigment is called "chlorophyll".
What happens when a substance absorbs light?
When a substance absorbs light, the photons of light transfer energy to the substance's atoms or molecules. This can lead to an increase in the internal energy of the substance, causing changes such as heating, chemical reactions, or transitions between energy levels. The absorbed light can also excite electrons to higher energy levels or create new electron-hole pairs in semiconductors.
What describes the behavior of a substance during a phase change?
It either absorbs or releases energy
Which substance in chloroplasts is a green pigment hat absorbs energy for photo-systems?
chlorophyll
Is a bloom is a substance that absorbs light?
a bloom is a substance that absorbs light
What process absorbs latent heat energy?
The process of changing a substance from one phase to another, such as melting, vaporizing, or sublimation, absorbs latent heat energy. This heat energy is used to break intermolecular bonds within the substance's structure, allowing the particles to move more freely.
