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Latent energy as far as I remember
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∙ 13y ago
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What is the energy per unit mass required to complete a phase change called?
density
Is energy required for each phase change?
Yes energy reqired during each phase change process. solid to liquid(water) = 333.7 Kj/kg liquid to vapour(water) =2257.1Kj/kg
Why does the temperature not change during a phase change?
During the change of state, the molecules of a substance absorb energy to overcome the strong intermolecular force of attraction between them. Hence the heat energy which we supply is absorbed by them for this purpose. So change in temperature is not observed.
The energy involved in a phase change is called the?
Heat associated with phase change is called Latent Heat
What phase changes release energy?
Gas to liquid change releases energy.
Latent heat is the energy required for 1 kg of a substance to change?
Latent heat is the energy required for 1 kg of a substance to change ___________. phase
What is the energy per unit mass required to complete a phase change called?
density
Is energy required for each phase change?
Yes energy reqired during each phase change process. solid to liquid(water) = 333.7 Kj/kg liquid to vapour(water) =2257.1Kj/kg
What energy is required to create a phase change without changing the temperature?
It is called the latent heat of vaporisation.
What happens to the energy added during a phase change?
The added energy is used in the phase change to break intermolecular bonds.It is used for the phase change. ~ APEX
How does the the energy of a system change during a phase change?
energy is either absorbed or released during a phase change
How does the energy of a system change during phase change?
energy is either absorbed or released during a phase change
What happens to energy added during a phase change?
The added energy is used in the phase change to break intermolecular bonds.It is used for the phase change. ~ APEX
What happens to the energy during a phase change?
When energy is added during a phase change the energy is used to break molecular bonds.
Why does the temperature not change during a phase change?
During the change of state, the molecules of a substance absorb energy to overcome the strong intermolecular force of attraction between them. Hence the heat energy which we supply is absorbed by them for this purpose. So change in temperature is not observed.
What happens to the energy added during the phase change?
When energy is added during a phase change the energy is used to break molecular bonds.
What has to be added to a substance to cause a phase change?
Heat energy must be added to or subtracted from a substance to cause a phase change.
