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What type of energy makes up most of the internal energy of a solid substance?
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Which type of energy makes up most of the internal energy of a solid substance?
Potential energy from intermolecular forces
When heat is supplied to a solid substance what happens to the energy?
The energy must be supplied to the solid so that it melts.
In which state of matter would a substance have the least thermal energy?
The solid state.
What does the latent heat of fusion represent?
The energy required to melt a substance. (Apex)
Why is heat energy needed to melt a solid. What is this heat energy called?
the energy that goes into changing a substance from a solid to a liquid (melting) is called the latent heat of fusion.
Which type of energy makes up most of the internal energy of a solid substance?
Potential energy from intermolecular forces
Why heat is released by the particles of a liquid substance when it becomes a solid?
temperature has to be low so it can freeze. it has to release internal energy so it can be stable
A solid form of a substance that has an orderly internal arrangement?
minerals .
What makes a liquid different from a solid of the same substance?
the arrangement of it's molecules...... which depend on kinetic energy and intermolecular force.
What is the energy of a substance has from the movement of its particles?
solid
When heat is supplied to a solid substance what happens to the energy?
The energy must be supplied to the solid so that it melts.
Why does solid sodium chloride melt when heated highly?
During heating the internal energy is increased, the ordering of the chemical entities in the crystal lattice is destroyed and the substance is melted.
When a substance changes from a solid to a gas it needs to what energy?
gain heat energy.
In which state of matter would a substance have the least thermal energy?
The solid state.
How do you turn a liquid into a solid?
You freeze the substance! (You remove energy from the system.)
When a substance changes from solid to a liquid?
It melts. Energy is absorbed.
What is the name given to heat energy at melting point?
The heat energy required to change a substance between solid & liquid at constant temperature is called the "latent heat of fusion". If the change is from solid to liquid the substance gains this energy. If the change is from liquid to solid the substance gives up this energy. The exact amount of latent heat of fusion is different for different substances.
