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Virty [35]
2 years ago
7

Describe the energy change in the particles of a substance during melting. A) The kinetic energy of the particles remains unchan

ged. B) Absorbed energy results in the change in potential energy. C) As the temperature increases during melting, the kinetic energy also increases. D) The kinetic energy of the particles decreases as the particles move farther apart.
Physics
2 answers:
Amiraneli [1.4K]2 years ago
4 0

Answer:

B

Explanation:

I did it on usa test prep

Rina8888 [55]2 years ago
3 0

Answer:

As ice melts into water, kinetic energy is being added to the particles. This causes them to be 'excited' and they break the bonds that hold them together as a solid, resulting in a change of state: solid -> liquid.

Explanation:

As we may know, the change in state of an object is due to the change in the average kinetic energy of the particles.

This average kinetic energy is proportional to the temperature of the particles.

This is because heat is a form of energy; by adding energy to ice - heat, you "excite" the water molecules, breaking the interactions in the lattice structure and forming weaker, looser hydrogen-bonding interactions.

This causes the ice to melt. This is demonstrated in the image below.

More generally, when you remove energy - the object cools down, the particles move a lot slower. So slow, that they individually attract other molecules more than before, and this results in a physical change that also changes the state.

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